./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.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-1.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 71fe950642bac282d48da6f500677ae534e71a907f9a56d9941372cc95f40daa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:59:57,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:59:57,622 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:59:57,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:59:57,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:59:57,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:59:57,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:59:57,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:59:57,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:59:57,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:59:57,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:59:57,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:59:57,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:59:57,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:59:57,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:59:57,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:59:57,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:59:57,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:59:57,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:59:57,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:59:57,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:59:57,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:59:57,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:59:57,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:59:57,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:59:57,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:59:57,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:59:57,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:59:57,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:59:57,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:59:57,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:59:57,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:59:57,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:59:57,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:59:57,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:59:57,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:59:57,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:59:57,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:59:57,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:59:57,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:59:57,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:59:57,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:59:57,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:59:57,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:59:57,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:59:57,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:59:57,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:59:57,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:59:57,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:59:57,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:59:57,678 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:59:57,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:59:57,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:59:57,679 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:59:57,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:59:57,680 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:59:57,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:59:57,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:59:57,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:59:57,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:59:57,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:59:57,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:59:57,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:59:57,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:59:57,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:59:57,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:59:57,681 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71fe950642bac282d48da6f500677ae534e71a907f9a56d9941372cc95f40daa [2022-02-20 23:59:57,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:59:57,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:59:57,911 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:59:57,914 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:59:57,914 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:59:57,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2022-02-20 23:59:57,962 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555c8e825/01da856c337f4c1b9f4ce084edf46729/FLAGf85fbf9f9 [2022-02-20 23:59:58,352 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:59:58,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-1.i [2022-02-20 23:59:58,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555c8e825/01da856c337f4c1b9f4ce084edf46729/FLAGf85fbf9f9 [2022-02-20 23:59:58,375 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/555c8e825/01da856c337f4c1b9f4ce084edf46729 [2022-02-20 23:59:58,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:59:58,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:59:58,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:59:58,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:59:58,384 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:59:58,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,386 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@705e5764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58, skipping insertion in model container [2022-02-20 23:59:58,386 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:59:58,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:59:58,603 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-1.i[24175,24188] [2022-02-20 23:59:58,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:59:58,617 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:59:58,671 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-1.i[24175,24188] [2022-02-20 23:59:58,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:59:58,704 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:59:58,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58 WrapperNode [2022-02-20 23:59:58,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:59:58,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:59:58,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:59:58,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:59:58,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,759 INFO L137 Inliner]: procedures = 122, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2022-02-20 23:59:58,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:59:58,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:59:58,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:59:58,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:59:58,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:59:58,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:59:58,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:59:58,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:59:58,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (1/1) ... [2022-02-20 23:59:58,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:59:58,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:59:58,831 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 23:59:58,845 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 23:59:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-02-20 23:59:58,864 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-02-20 23:59:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:59:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:59:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:59:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:59:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:59:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:59:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:59:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:59:58,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:59:58,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:59:58,981 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:59:58,982 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:59:59,027 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-02-20 23:59:59,331 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:59:59,339 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:59:59,339 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-20 23:59:59,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:59:59 BoogieIcfgContainer [2022-02-20 23:59:59,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:59:59,344 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:59:59,344 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:59:59,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:59:59,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:59:58" (1/3) ... [2022-02-20 23:59:59,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ec7a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:59:59, skipping insertion in model container [2022-02-20 23:59:59,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:58" (2/3) ... [2022-02-20 23:59:59,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ec7a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:59:59, skipping insertion in model container [2022-02-20 23:59:59,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:59:59" (3/3) ... [2022-02-20 23:59:59,350 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_circular_traversal-1.i [2022-02-20 23:59:59,354 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:59:59,354 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-02-20 23:59:59,382 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:59:59,386 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 [2022-02-20 23:59:59,387 INFO L340 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-02-20 23:59:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 40 states have (on average 2.05) internal successors, (82), 73 states have internal predecessors, (82), 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) [2022-02-20 23:59:59,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-20 23:59:59,403 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:59,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-20 23:59:59,404 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-20 23:59:59,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:59,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1079622, now seen corresponding path program 1 times [2022-02-20 23:59:59,413 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:59,414 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285093272] [2022-02-20 23:59:59,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:59,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:59,552 INFO L290 TraceCheckUtils]: 0: Hoare triple {78#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); {78#true} is VALID [2022-02-20 23:59:59,554 INFO L290 TraceCheckUtils]: 1: Hoare triple {78#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {80#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-20 23:59:59,555 INFO L290 TraceCheckUtils]: 2: Hoare triple {80#(= (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); {80#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-20 23:59:59,555 INFO L290 TraceCheckUtils]: 3: Hoare triple {80#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~last~0#1.base]); {79#false} is VALID [2022-02-20 23:59:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:59,557 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:59,557 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285093272] [2022-02-20 23:59:59,557 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285093272] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:59,558 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:59,558 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:59:59,559 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584119894] [2022-02-20 23:59:59,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:59,564 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 [2022-02-20 23:59:59,564 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:59,566 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) [2022-02-20 23:59:59,574 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:59,574 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:59:59,574 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:59,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:59:59,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:59,597 INFO L87 Difference]: Start difference. First operand has 75 states, 40 states have (on average 2.05) internal successors, (82), 73 states have internal predecessors, (82), 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) [2022-02-20 23:59:59,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:59,755 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2022-02-20 23:59:59,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:59:59,755 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 [2022-02-20 23:59:59,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:59,756 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) [2022-02-20 23:59:59,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2022-02-20 23:59:59,762 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) [2022-02-20 23:59:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 105 transitions. [2022-02-20 23:59:59,766 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 105 transitions. [2022-02-20 23:59:59,844 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 105 edges. 105 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:59,851 INFO L225 Difference]: With dead ends: 91 [2022-02-20 23:59:59,852 INFO L226 Difference]: Without dead ends: 83 [2022-02-20 23:59:59,853 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 [2022-02-20 23:59:59,855 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 65 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 58 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 [2022-02-20 23:59:59,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 58 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:59,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-02-20 23:59:59,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 65. [2022-02-20 23:59:59,876 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:59,877 INFO L82 GeneralOperation]: Start isEquivalent. First operand 83 states. Second operand has 65 states, 37 states have (on average 1.864864864864865) internal successors, (69), 64 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) [2022-02-20 23:59:59,877 INFO L74 IsIncluded]: Start isIncluded. First operand 83 states. Second operand has 65 states, 37 states have (on average 1.864864864864865) internal successors, (69), 64 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) [2022-02-20 23:59:59,878 INFO L87 Difference]: Start difference. First operand 83 states. Second operand has 65 states, 37 states have (on average 1.864864864864865) internal successors, (69), 64 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) [2022-02-20 23:59:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:59,882 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2022-02-20 23:59:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-02-20 23:59:59,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:59,882 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:59,883 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 37 states have (on average 1.864864864864865) internal successors, (69), 64 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 83 states. [2022-02-20 23:59:59,883 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.864864864864865) internal successors, (69), 64 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 83 states. [2022-02-20 23:59:59,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:59,887 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2022-02-20 23:59:59,887 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 87 transitions. [2022-02-20 23:59:59,887 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:59,887 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:59,888 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:59,888 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 37 states have (on average 1.864864864864865) internal successors, (69), 64 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) [2022-02-20 23:59:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2022-02-20 23:59:59,891 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 4 [2022-02-20 23:59:59,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:59,891 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2022-02-20 23:59:59,892 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) [2022-02-20 23:59:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-02-20 23:59:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-20 23:59:59,892 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:59,892 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-20 23:59:59,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:59:59,893 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-20 23:59:59,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:59,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1079623, now seen corresponding path program 1 times [2022-02-20 23:59:59,894 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:59,894 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837551580] [2022-02-20 23:59:59,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:59,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:59,931 INFO L290 TraceCheckUtils]: 0: Hoare triple {405#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); {405#true} is VALID [2022-02-20 23:59:59,932 INFO L290 TraceCheckUtils]: 1: Hoare triple {405#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {407#(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 [2022-02-20 23:59:59,933 INFO L290 TraceCheckUtils]: 2: Hoare triple {407#(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); {407#(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 [2022-02-20 23:59:59,934 INFO L290 TraceCheckUtils]: 3: Hoare triple {407#(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); {406#false} is VALID [2022-02-20 23:59:59,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:59,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:59,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837551580] [2022-02-20 23:59:59,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837551580] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:59,935 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:59,935 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:59:59,935 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869996171] [2022-02-20 23:59:59,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:59,936 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 [2022-02-20 23:59:59,936 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:59,936 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) [2022-02-20 23:59:59,941 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:59,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:59:59,942 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:59,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:59:59,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:59,943 INFO L87 Difference]: Start difference. First operand 65 states and 69 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 00:00:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,044 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-02-21 00:00:00,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:00,045 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 00:00:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:00,045 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 00:00:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2022-02-21 00:00:00,048 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 00:00:00,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2022-02-21 00:00:00,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 69 transitions. [2022-02-21 00:00:00,108 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 00:00:00,109 INFO L225 Difference]: With dead ends: 61 [2022-02-21 00:00:00,110 INFO L226 Difference]: Without dead ends: 61 [2022-02-21 00:00:00,110 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 00:00:00,111 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:00,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 38 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:00,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-02-21 00:00:00,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2022-02-21 00:00:00,114 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:00,114 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 61 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 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 00:00:00,115 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 61 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 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 00:00:00,115 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 61 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 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 00:00:00,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,117 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-02-21 00:00:00,117 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-02-21 00:00:00,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,118 INFO L74 IsIncluded]: Start isIncluded. First operand has 61 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 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 61 states. [2022-02-21 00:00:00,118 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 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 61 states. [2022-02-21 00:00:00,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,119 INFO L93 Difference]: Finished difference Result 61 states and 65 transitions. [2022-02-21 00:00:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-02-21 00:00:00,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,120 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,120 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:00,120 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:00,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 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 00:00:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 65 transitions. [2022-02-21 00:00:00,122 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 65 transitions. Word has length 4 [2022-02-21 00:00:00,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:00,122 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 65 transitions. [2022-02-21 00:00:00,123 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 00:00:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 65 transitions. [2022-02-21 00:00:00,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-21 00:00:00,123 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,123 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:00,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-21 00:00:00,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:00,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,124 INFO L85 PathProgramCache]: Analyzing trace with hash -401980428, now seen corresponding path program 1 times [2022-02-21 00:00:00,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810584875] [2022-02-21 00:00:00,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:00,182 INFO L290 TraceCheckUtils]: 0: Hoare triple {654#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); {654#true} is VALID [2022-02-21 00:00:00,182 INFO L290 TraceCheckUtils]: 1: Hoare triple {654#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {654#true} is VALID [2022-02-21 00:00:00,183 INFO L290 TraceCheckUtils]: 2: Hoare triple {654#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {654#true} is VALID [2022-02-21 00:00:00,183 INFO L290 TraceCheckUtils]: 3: Hoare triple {654#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {654#true} is VALID [2022-02-21 00:00:00,183 INFO L290 TraceCheckUtils]: 4: Hoare triple {654#true} SUMMARY for call write~$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 {654#true} is VALID [2022-02-21 00:00:00,183 INFO L290 TraceCheckUtils]: 5: Hoare triple {654#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 {654#true} is VALID [2022-02-21 00:00:00,183 INFO L290 TraceCheckUtils]: 6: Hoare triple {654#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; {654#true} is VALID [2022-02-21 00:00:00,184 INFO L290 TraceCheckUtils]: 7: Hoare triple {654#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; {656#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:00,185 INFO L290 TraceCheckUtils]: 8: Hoare triple {656#(= (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); {656#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:00,185 INFO L290 TraceCheckUtils]: 9: Hoare triple {656#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~new_head~0#1.base]); {655#false} is VALID [2022-02-21 00:00:00,185 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 00:00:00,185 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:00,186 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810584875] [2022-02-21 00:00:00,186 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810584875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:00,186 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:00,186 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 00:00:00,186 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137589229] [2022-02-21 00:00:00,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:00,187 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 00:00:00,187 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:00,187 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 00:00:00,194 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 00:00:00,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:00,195 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:00,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:00,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:00,196 INFO L87 Difference]: Start difference. First operand 61 states and 65 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 00:00:00,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,323 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2022-02-21 00:00:00,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:00,324 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 00:00:00,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:00,324 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 00:00:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2022-02-21 00:00:00,326 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 00:00:00,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 109 transitions. [2022-02-21 00:00:00,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 109 transitions. [2022-02-21 00:00:00,409 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 109 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,410 INFO L225 Difference]: With dead ends: 100 [2022-02-21 00:00:00,411 INFO L226 Difference]: Without dead ends: 100 [2022-02-21 00:00:00,411 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 00:00:00,412 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 50 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:00,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 110 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:00,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-02-21 00:00:00,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 59. [2022-02-21 00:00:00,415 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:00,415 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand has 59 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 58 states have internal predecessors, (63), 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 00:00:00,416 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand has 59 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 58 states have internal predecessors, (63), 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 00:00:00,416 INFO L87 Difference]: Start difference. First operand 100 states. Second operand has 59 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 58 states have internal predecessors, (63), 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 00:00:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,418 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2022-02-21 00:00:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2022-02-21 00:00:00,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,419 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,419 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 58 states have internal predecessors, (63), 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 100 states. [2022-02-21 00:00:00,420 INFO L87 Difference]: Start difference. First operand has 59 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 58 states have internal predecessors, (63), 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 100 states. [2022-02-21 00:00:00,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,422 INFO L93 Difference]: Finished difference Result 100 states and 107 transitions. [2022-02-21 00:00:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 107 transitions. [2022-02-21 00:00:00,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,423 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,423 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:00,423 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:00,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 58 states have internal predecessors, (63), 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 00:00:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 63 transitions. [2022-02-21 00:00:00,425 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 63 transitions. Word has length 10 [2022-02-21 00:00:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:00,425 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 63 transitions. [2022-02-21 00:00:00,425 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 00:00:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 63 transitions. [2022-02-21 00:00:00,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-21 00:00:00,426 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,426 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:00,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-21 00:00:00,426 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:00,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,427 INFO L85 PathProgramCache]: Analyzing trace with hash -401980427, now seen corresponding path program 1 times [2022-02-21 00:00:00,427 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,427 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439425042] [2022-02-21 00:00:00,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:00,469 INFO L290 TraceCheckUtils]: 0: Hoare triple {1018#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); {1018#true} is VALID [2022-02-21 00:00:00,469 INFO L290 TraceCheckUtils]: 1: Hoare triple {1018#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {1018#true} is VALID [2022-02-21 00:00:00,469 INFO L290 TraceCheckUtils]: 2: Hoare triple {1018#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {1018#true} is VALID [2022-02-21 00:00:00,469 INFO L290 TraceCheckUtils]: 3: Hoare triple {1018#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1018#true} is VALID [2022-02-21 00:00:00,469 INFO L290 TraceCheckUtils]: 4: Hoare triple {1018#true} SUMMARY for call write~$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 {1018#true} is VALID [2022-02-21 00:00:00,470 INFO L290 TraceCheckUtils]: 5: Hoare triple {1018#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 {1018#true} is VALID [2022-02-21 00:00:00,470 INFO L290 TraceCheckUtils]: 6: Hoare triple {1018#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; {1018#true} is VALID [2022-02-21 00:00:00,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {1018#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; {1020#(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 00:00:00,471 INFO L290 TraceCheckUtils]: 8: Hoare triple {1020#(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); {1020#(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 00:00:00,472 INFO L290 TraceCheckUtils]: 9: Hoare triple {1020#(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); {1019#false} is VALID [2022-02-21 00:00:00,472 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 00:00:00,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:00,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439425042] [2022-02-21 00:00:00,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439425042] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:00,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:00,473 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 00:00:00,473 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961737698] [2022-02-21 00:00:00,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:00,473 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 00:00:00,473 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:00,474 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 00:00:00,481 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 00:00:00,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:00,481 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:00,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:00,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:00,482 INFO L87 Difference]: Start difference. First operand 59 states and 63 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 00:00:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,610 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2022-02-21 00:00:00,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:00,611 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 00:00:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:00,611 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 00:00:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2022-02-21 00:00:00,612 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 00:00:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 110 transitions. [2022-02-21 00:00:00,613 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 110 transitions. [2022-02-21 00:00:00,708 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,710 INFO L225 Difference]: With dead ends: 100 [2022-02-21 00:00:00,711 INFO L226 Difference]: Without dead ends: 100 [2022-02-21 00:00:00,711 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 00:00:00,718 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 52 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:00,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 119 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:00,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-02-21 00:00:00,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 57. [2022-02-21 00:00:00,732 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:00,732 INFO L82 GeneralOperation]: Start isEquivalent. First operand 100 states. Second operand has 57 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 56 states have internal predecessors, (61), 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 00:00:00,732 INFO L74 IsIncluded]: Start isIncluded. First operand 100 states. Second operand has 57 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 56 states have internal predecessors, (61), 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 00:00:00,732 INFO L87 Difference]: Start difference. First operand 100 states. Second operand has 57 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 56 states have internal predecessors, (61), 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 00:00:00,735 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2022-02-21 00:00:00,735 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2022-02-21 00:00:00,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,736 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,736 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 56 states have internal predecessors, (61), 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 100 states. [2022-02-21 00:00:00,737 INFO L87 Difference]: Start difference. First operand has 57 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 56 states have internal predecessors, (61), 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 100 states. [2022-02-21 00:00:00,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,740 INFO L93 Difference]: Finished difference Result 100 states and 108 transitions. [2022-02-21 00:00:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2022-02-21 00:00:00,743 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,744 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,744 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:00,744 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.6486486486486487) internal successors, (61), 56 states have internal predecessors, (61), 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 00:00:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2022-02-21 00:00:00,746 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 10 [2022-02-21 00:00:00,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:00,746 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2022-02-21 00:00:00,746 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 00:00:00,747 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2022-02-21 00:00:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-21 00:00:00,747 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,747 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:00,747 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-21 00:00:00,747 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:00,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,749 INFO L85 PathProgramCache]: Analyzing trace with hash -401981869, now seen corresponding path program 1 times [2022-02-21 00:00:00,749 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,749 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653382095] [2022-02-21 00:00:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:00,825 INFO L290 TraceCheckUtils]: 0: Hoare triple {1380#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); {1380#true} is VALID [2022-02-21 00:00:00,826 INFO L290 TraceCheckUtils]: 1: Hoare triple {1380#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:00,826 INFO L290 TraceCheckUtils]: 2: Hoare triple {1382#(= (+ (- 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); {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:00,827 INFO L290 TraceCheckUtils]: 3: Hoare triple {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:00,827 INFO L290 TraceCheckUtils]: 4: Hoare triple {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:00,828 INFO L290 TraceCheckUtils]: 5: Hoare triple {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:00,828 INFO L290 TraceCheckUtils]: 6: Hoare triple {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:00,829 INFO L290 TraceCheckUtils]: 7: Hoare triple {1382#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} assume !(dll_circular_create_~len#1 > 1); {1381#false} is VALID [2022-02-21 00:00:00,829 INFO L290 TraceCheckUtils]: 8: Hoare triple {1381#false} SUMMARY for call write~$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 {1381#false} is VALID [2022-02-21 00:00:00,829 INFO L290 TraceCheckUtils]: 9: Hoare triple {1381#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {1381#false} is VALID [2022-02-21 00:00:00,830 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 00:00:00,830 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:00,830 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653382095] [2022-02-21 00:00:00,830 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653382095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:00,831 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:00,832 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 00:00:00,832 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177944677] [2022-02-21 00:00:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:00,833 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 00:00:00,833 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:00,833 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 00:00:00,841 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 00:00:00,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:00,843 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:00,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:00,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:00,844 INFO L87 Difference]: Start difference. First operand 57 states and 61 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 00:00:00,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,895 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-02-21 00:00:00,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:00,895 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 00:00:00,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:00,896 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 00:00:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2022-02-21 00:00:00,897 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 00:00:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2022-02-21 00:00:00,898 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 70 transitions. [2022-02-21 00:00:00,940 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,941 INFO L225 Difference]: With dead ends: 65 [2022-02-21 00:00:00,941 INFO L226 Difference]: Without dead ends: 65 [2022-02-21 00:00:00,942 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 00:00:00,942 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 111 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 00:00:00,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 111 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:00,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-02-21 00:00:00,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 58. [2022-02-21 00:00:00,945 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:00,945 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 58 states, 38 states have (on average 1.631578947368421) internal successors, (62), 57 states have internal predecessors, (62), 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 00:00:00,945 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 58 states, 38 states have (on average 1.631578947368421) internal successors, (62), 57 states have internal predecessors, (62), 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 00:00:00,946 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 58 states, 38 states have (on average 1.631578947368421) internal successors, (62), 57 states have internal predecessors, (62), 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 00:00:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,947 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-02-21 00:00:00,947 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-02-21 00:00:00,947 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,947 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,948 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 38 states have (on average 1.631578947368421) internal successors, (62), 57 states have internal predecessors, (62), 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 65 states. [2022-02-21 00:00:00,948 INFO L87 Difference]: Start difference. First operand has 58 states, 38 states have (on average 1.631578947368421) internal successors, (62), 57 states have internal predecessors, (62), 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 65 states. [2022-02-21 00:00:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,949 INFO L93 Difference]: Finished difference Result 65 states and 69 transitions. [2022-02-21 00:00:00,949 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2022-02-21 00:00:00,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,950 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,950 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:00,950 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 38 states have (on average 1.631578947368421) internal successors, (62), 57 states have internal predecessors, (62), 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 00:00:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2022-02-21 00:00:00,951 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 10 [2022-02-21 00:00:00,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:00,952 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2022-02-21 00:00:00,952 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 00:00:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2022-02-21 00:00:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-21 00:00:00,953 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:00,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-21 00:00:00,953 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:00,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,954 INFO L85 PathProgramCache]: Analyzing trace with hash 243865783, now seen corresponding path program 1 times [2022-02-21 00:00:00,954 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,954 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765249019] [2022-02-21 00:00:00,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,024 INFO L290 TraceCheckUtils]: 0: Hoare triple {1638#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); {1638#true} is VALID [2022-02-21 00:00:01,025 INFO L290 TraceCheckUtils]: 1: Hoare triple {1638#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,025 INFO L290 TraceCheckUtils]: 2: Hoare triple {1640#(= (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); {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,026 INFO L290 TraceCheckUtils]: 3: Hoare triple {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,026 INFO L290 TraceCheckUtils]: 4: Hoare triple {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} SUMMARY for call write~$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 {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,026 INFO L290 TraceCheckUtils]: 5: Hoare triple {1640#(= (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 {1640#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,027 INFO L290 TraceCheckUtils]: 6: Hoare triple {1640#(= (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; {1641#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,027 INFO L290 TraceCheckUtils]: 7: Hoare triple {1641#(= (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; {1642#(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 00:00:01,028 INFO L290 TraceCheckUtils]: 8: Hoare triple {1642#(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); {1642#(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 00:00:01,029 INFO L290 TraceCheckUtils]: 9: Hoare triple {1642#(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 {1641#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,029 INFO L290 TraceCheckUtils]: 10: Hoare triple {1641#(= (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 {1641#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,029 INFO L290 TraceCheckUtils]: 11: Hoare triple {1641#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {1639#false} is VALID [2022-02-21 00:00:01,030 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 00:00:01,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:01,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765249019] [2022-02-21 00:00:01,030 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765249019] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:01,030 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:01,030 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 00:00:01,030 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514212499] [2022-02-21 00:00:01,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:01,031 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 00:00:01,031 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:01,031 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 00:00:01,039 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 00:00:01,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-21 00:00:01,040 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:01,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 00:00:01,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-21 00:00:01,041 INFO L87 Difference]: Start difference. First operand 58 states and 62 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 00:00:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,204 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:01,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 00:00:01,204 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 00:00:01,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:01,205 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 00:00:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-21 00:00:01,206 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 00:00:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-21 00:00:01,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2022-02-21 00:00:01,281 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 00:00:01,282 INFO L225 Difference]: With dead ends: 81 [2022-02-21 00:00:01,282 INFO L226 Difference]: Without dead ends: 81 [2022-02-21 00:00:01,283 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 00:00:01,283 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 101 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:01,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 74 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:01,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-02-21 00:00:01,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 62. [2022-02-21 00:00:01,285 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:01,286 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 62 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 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 00:00:01,286 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 62 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 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 00:00:01,286 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 62 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 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 00:00:01,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,287 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:01,288 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:01,288 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,288 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,288 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 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 81 states. [2022-02-21 00:00:01,288 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 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 81 states. [2022-02-21 00:00:01,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,290 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:01,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:01,290 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.5952380952380953) internal successors, (67), 61 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 00:00:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2022-02-21 00:00:01,292 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 12 [2022-02-21 00:00:01,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:01,292 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2022-02-21 00:00:01,292 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 00:00:01,292 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2022-02-21 00:00:01,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-21 00:00:01,292 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:01,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:01,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-21 00:00:01,293 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:01,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:01,293 INFO L85 PathProgramCache]: Analyzing trace with hash 243865784, now seen corresponding path program 1 times [2022-02-21 00:00:01,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:01,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029153483] [2022-02-21 00:00:01,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,367 INFO L290 TraceCheckUtils]: 0: Hoare triple {1954#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); {1954#true} is VALID [2022-02-21 00:00:01,368 INFO L290 TraceCheckUtils]: 1: Hoare triple {1954#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {1956#(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 00:00:01,369 INFO L290 TraceCheckUtils]: 2: Hoare triple {1956#(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); {1956#(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 00:00:01,369 INFO L290 TraceCheckUtils]: 3: Hoare triple {1956#(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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1957#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,370 INFO L290 TraceCheckUtils]: 4: Hoare triple {1957#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {1957#(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 00:00:01,370 INFO L290 TraceCheckUtils]: 5: Hoare triple {1957#(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 {1957#(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 00:00:01,371 INFO L290 TraceCheckUtils]: 6: Hoare triple {1957#(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; {1958#(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 00:00:01,372 INFO L290 TraceCheckUtils]: 7: Hoare triple {1958#(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; {1959#(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 00:00:01,372 INFO L290 TraceCheckUtils]: 8: Hoare triple {1959#(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); {1959#(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 00:00:01,373 INFO L290 TraceCheckUtils]: 9: Hoare triple {1959#(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 {1959#(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 00:00:01,373 INFO L290 TraceCheckUtils]: 10: Hoare triple {1959#(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 {1959#(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 00:00:01,374 INFO L290 TraceCheckUtils]: 11: Hoare triple {1959#(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); {1955#false} is VALID [2022-02-21 00:00:01,374 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 00:00:01,374 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:01,374 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029153483] [2022-02-21 00:00:01,374 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029153483] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:01,374 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:01,374 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 00:00:01,375 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618278734] [2022-02-21 00:00:01,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:01,375 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 00:00:01,375 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:01,375 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 00:00:01,384 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 00:00:01,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:01,385 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:01,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:01,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:01,386 INFO L87 Difference]: Start difference. First operand 62 states and 67 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 00:00:01,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,595 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:01,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 00:00:01,595 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 00:00:01,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:01,596 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 00:00:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-21 00:00:01,597 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 00:00:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 86 transitions. [2022-02-21 00:00:01,597 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 86 transitions. [2022-02-21 00:00:01,662 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 00:00:01,663 INFO L225 Difference]: With dead ends: 81 [2022-02-21 00:00:01,663 INFO L226 Difference]: Without dead ends: 81 [2022-02-21 00:00:01,663 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 00:00:01,664 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 140 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:01,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 58 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:01,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-02-21 00:00:01,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 62. [2022-02-21 00:00:01,665 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:01,666 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 62 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 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 00:00:01,666 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 62 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 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 00:00:01,666 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 62 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 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 00:00:01,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,668 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:01,668 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:01,668 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,668 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,668 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 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 81 states. [2022-02-21 00:00:01,668 INFO L87 Difference]: Start difference. First operand has 62 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 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 81 states. [2022-02-21 00:00:01,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,670 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:01,670 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:01,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,671 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,671 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:01,671 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 61 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 00:00:01,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 66 transitions. [2022-02-21 00:00:01,672 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 66 transitions. Word has length 12 [2022-02-21 00:00:01,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:01,673 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 66 transitions. [2022-02-21 00:00:01,673 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 00:00:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 66 transitions. [2022-02-21 00:00:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-21 00:00:01,673 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:01,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:01,673 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-21 00:00:01,673 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:01,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:01,674 INFO L85 PathProgramCache]: Analyzing trace with hash -27720857, now seen corresponding path program 1 times [2022-02-21 00:00:01,674 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:01,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151767683] [2022-02-21 00:00:01,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,717 INFO L290 TraceCheckUtils]: 0: Hoare triple {2269#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); {2269#true} is VALID [2022-02-21 00:00:01,717 INFO L290 TraceCheckUtils]: 1: Hoare triple {2269#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,718 INFO L290 TraceCheckUtils]: 2: Hoare triple {2271#(= (+ (- 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); {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,718 INFO L290 TraceCheckUtils]: 3: Hoare triple {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,719 INFO L290 TraceCheckUtils]: 4: Hoare triple {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$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 {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,719 INFO L290 TraceCheckUtils]: 5: Hoare triple {2271#(= (+ (- 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 {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,720 INFO L290 TraceCheckUtils]: 6: Hoare triple {2271#(= (+ (- 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; {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,720 INFO L290 TraceCheckUtils]: 7: Hoare triple {2271#(= (+ (- 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; {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,720 INFO L290 TraceCheckUtils]: 8: Hoare triple {2271#(= (+ (- 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); {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,721 INFO L290 TraceCheckUtils]: 9: Hoare triple {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,721 INFO L290 TraceCheckUtils]: 10: Hoare triple {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,722 INFO L290 TraceCheckUtils]: 11: Hoare triple {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:01,722 INFO L290 TraceCheckUtils]: 12: Hoare triple {2271#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2272#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:01,723 INFO L290 TraceCheckUtils]: 13: Hoare triple {2272#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(dll_circular_create_~len#1 > 1); {2270#false} is VALID [2022-02-21 00:00:01,723 INFO L290 TraceCheckUtils]: 14: Hoare triple {2270#false} SUMMARY for call write~$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 {2270#false} is VALID [2022-02-21 00:00:01,723 INFO L290 TraceCheckUtils]: 15: Hoare triple {2270#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2270#false} is VALID [2022-02-21 00:00:01,723 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 00:00:01,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:01,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151767683] [2022-02-21 00:00:01,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151767683] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:01,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118549365] [2022-02-21 00:00:01,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:01,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:01,726 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 00:00:01,727 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 00:00:01,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-21 00:00:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:01,994 INFO L290 TraceCheckUtils]: 0: Hoare triple {2269#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); {2269#true} is VALID [2022-02-21 00:00:01,995 INFO L290 TraceCheckUtils]: 1: Hoare triple {2269#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:01,995 INFO L290 TraceCheckUtils]: 2: Hoare triple {2279#(<= 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); {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:01,996 INFO L290 TraceCheckUtils]: 3: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:01,996 INFO L290 TraceCheckUtils]: 4: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:01,996 INFO L290 TraceCheckUtils]: 5: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:01,997 INFO L290 TraceCheckUtils]: 6: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,001 INFO L290 TraceCheckUtils]: 7: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,001 INFO L290 TraceCheckUtils]: 8: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,002 INFO L290 TraceCheckUtils]: 9: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,002 INFO L290 TraceCheckUtils]: 10: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,002 INFO L290 TraceCheckUtils]: 11: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,003 INFO L290 TraceCheckUtils]: 12: Hoare triple {2279#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2272#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,003 INFO L290 TraceCheckUtils]: 13: Hoare triple {2272#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(dll_circular_create_~len#1 > 1); {2270#false} is VALID [2022-02-21 00:00:02,003 INFO L290 TraceCheckUtils]: 14: Hoare triple {2270#false} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {2270#false} is VALID [2022-02-21 00:00:02,004 INFO L290 TraceCheckUtils]: 15: Hoare triple {2270#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2270#false} is VALID [2022-02-21 00:00:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:02,088 INFO L290 TraceCheckUtils]: 15: Hoare triple {2270#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2270#false} is VALID [2022-02-21 00:00:02,089 INFO L290 TraceCheckUtils]: 14: Hoare triple {2270#false} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {2270#false} is VALID [2022-02-21 00:00:02,089 INFO L290 TraceCheckUtils]: 13: Hoare triple {2328#(< 1 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(dll_circular_create_~len#1 > 1); {2270#false} is VALID [2022-02-21 00:00:02,090 INFO L290 TraceCheckUtils]: 12: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2328#(< 1 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,090 INFO L290 TraceCheckUtils]: 11: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,090 INFO L290 TraceCheckUtils]: 10: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,091 INFO L290 TraceCheckUtils]: 9: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,091 INFO L290 TraceCheckUtils]: 8: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,092 INFO L290 TraceCheckUtils]: 7: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,092 INFO L290 TraceCheckUtils]: 6: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,092 INFO L290 TraceCheckUtils]: 5: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,093 INFO L290 TraceCheckUtils]: 4: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,095 INFO L290 TraceCheckUtils]: 3: Hoare triple {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$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 {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,095 INFO L290 TraceCheckUtils]: 2: Hoare triple {2332#(< 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); {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,096 INFO L290 TraceCheckUtils]: 1: Hoare triple {2269#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {2332#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,096 INFO L290 TraceCheckUtils]: 0: Hoare triple {2269#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); {2269#true} is VALID [2022-02-21 00:00:02,096 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 00:00:02,096 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118549365] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:02,096 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:02,097 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-02-21 00:00:02,097 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767146041] [2022-02-21 00:00:02,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:02,097 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 00:00:02,098 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:02,098 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 00:00:02,124 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 00:00:02,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-21 00:00:02,125 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:02,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-21 00:00:02,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:02,125 INFO L87 Difference]: Start difference. First operand 62 states and 66 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 00:00:02,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,214 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-02-21 00:00:02,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:02,214 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 00:00:02,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:02,214 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 00:00:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 87 transitions. [2022-02-21 00:00:02,215 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 00:00:02,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 87 transitions. [2022-02-21 00:00:02,216 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 87 transitions. [2022-02-21 00:00:02,274 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 00:00:02,275 INFO L225 Difference]: With dead ends: 80 [2022-02-21 00:00:02,275 INFO L226 Difference]: Without dead ends: 80 [2022-02-21 00:00:02,275 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 00:00:02,276 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 33 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 169 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 00:00:02,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 169 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:02,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-02-21 00:00:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2022-02-21 00:00:02,278 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:02,278 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 76 states, 56 states have (on average 1.5) internal successors, (84), 75 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 00:00:02,281 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 76 states, 56 states have (on average 1.5) internal successors, (84), 75 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 00:00:02,282 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 76 states, 56 states have (on average 1.5) internal successors, (84), 75 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 00:00:02,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,283 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-02-21 00:00:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-02-21 00:00:02,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,284 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,284 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 56 states have (on average 1.5) internal successors, (84), 75 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 80 states. [2022-02-21 00:00:02,288 INFO L87 Difference]: Start difference. First operand has 76 states, 56 states have (on average 1.5) internal successors, (84), 75 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 80 states. [2022-02-21 00:00:02,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,289 INFO L93 Difference]: Finished difference Result 80 states and 84 transitions. [2022-02-21 00:00:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 84 transitions. [2022-02-21 00:00:02,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,290 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,290 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:02,290 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:02,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.5) internal successors, (84), 75 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 00:00:02,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2022-02-21 00:00:02,293 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 16 [2022-02-21 00:00:02,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:02,294 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2022-02-21 00:00:02,294 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 00:00:02,294 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2022-02-21 00:00:02,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-21 00:00:02,294 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:02,295 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:02,322 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 00:00:02,515 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 00:00:02,515 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash -868554549, now seen corresponding path program 1 times [2022-02-21 00:00:02,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:02,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948778369] [2022-02-21 00:00:02,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:02,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 0: Hoare triple {2684#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); {2684#true} is VALID [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 1: Hoare triple {2684#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {2684#true} is VALID [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 2: Hoare triple {2684#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2684#true} is VALID [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 3: Hoare triple {2684#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2684#true} is VALID [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 4: Hoare triple {2684#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2684#true} is VALID [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 5: Hoare triple {2684#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2684#true} is VALID [2022-02-21 00:00:02,597 INFO L290 TraceCheckUtils]: 6: Hoare triple {2684#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2684#true} is VALID [2022-02-21 00:00:02,598 INFO L290 TraceCheckUtils]: 7: Hoare triple {2684#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,598 INFO L290 TraceCheckUtils]: 8: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,599 INFO L290 TraceCheckUtils]: 9: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,599 INFO L290 TraceCheckUtils]: 10: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,599 INFO L290 TraceCheckUtils]: 11: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$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 {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,600 INFO L290 TraceCheckUtils]: 12: Hoare triple {2686#(= (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; {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,600 INFO L290 TraceCheckUtils]: 13: Hoare triple {2687#(= (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; {2688#(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 00:00:02,601 INFO L290 TraceCheckUtils]: 14: Hoare triple {2688#(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); {2688#(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 00:00:02,601 INFO L290 TraceCheckUtils]: 15: Hoare triple {2688#(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 {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,601 INFO L290 TraceCheckUtils]: 16: Hoare triple {2687#(= (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 {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,602 INFO L290 TraceCheckUtils]: 17: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2685#false} is VALID [2022-02-21 00:00:02,602 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 00:00:02,602 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:02,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948778369] [2022-02-21 00:00:02,602 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948778369] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:02,602 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1321483466] [2022-02-21 00:00:02,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:02,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:02,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:02,620 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 00:00:02,629 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 00:00:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-21 00:00:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:02,762 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 00:00:02,819 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-21 00:00:02,820 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 00:00:02,837 INFO L290 TraceCheckUtils]: 0: Hoare triple {2684#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); {2684#true} is VALID [2022-02-21 00:00:02,837 INFO L290 TraceCheckUtils]: 1: Hoare triple {2684#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {2684#true} is VALID [2022-02-21 00:00:02,837 INFO L290 TraceCheckUtils]: 2: Hoare triple {2684#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2684#true} is VALID [2022-02-21 00:00:02,838 INFO L290 TraceCheckUtils]: 3: Hoare triple {2684#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2684#true} is VALID [2022-02-21 00:00:02,838 INFO L290 TraceCheckUtils]: 4: Hoare triple {2684#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2684#true} is VALID [2022-02-21 00:00:02,838 INFO L290 TraceCheckUtils]: 5: Hoare triple {2684#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2684#true} is VALID [2022-02-21 00:00:02,838 INFO L290 TraceCheckUtils]: 6: Hoare triple {2684#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2684#true} is VALID [2022-02-21 00:00:02,839 INFO L290 TraceCheckUtils]: 7: Hoare triple {2684#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,840 INFO L290 TraceCheckUtils]: 8: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,840 INFO L290 TraceCheckUtils]: 9: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,840 INFO L290 TraceCheckUtils]: 10: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,841 INFO L290 TraceCheckUtils]: 11: Hoare triple {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$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 {2686#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,841 INFO L290 TraceCheckUtils]: 12: Hoare triple {2686#(= (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; {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,842 INFO L290 TraceCheckUtils]: 13: Hoare triple {2687#(= (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; {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,842 INFO L290 TraceCheckUtils]: 14: Hoare triple {2687#(= (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); {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,842 INFO L290 TraceCheckUtils]: 15: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,843 INFO L290 TraceCheckUtils]: 16: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,843 INFO L290 TraceCheckUtils]: 17: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2685#false} is VALID [2022-02-21 00:00:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,843 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:03,193 INFO L290 TraceCheckUtils]: 17: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2685#false} is VALID [2022-02-21 00:00:03,194 INFO L290 TraceCheckUtils]: 16: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,194 INFO L290 TraceCheckUtils]: 15: Hoare triple {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$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 {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,195 INFO L290 TraceCheckUtils]: 14: Hoare triple {2687#(= (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); {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,196 INFO L290 TraceCheckUtils]: 13: Hoare triple {2755#(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; {2687#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,196 INFO L290 TraceCheckUtils]: 12: Hoare triple {2759#(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; {2755#(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 00:00:03,197 INFO L290 TraceCheckUtils]: 11: Hoare triple {2759#(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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2759#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:03,197 INFO L290 TraceCheckUtils]: 10: Hoare triple {2759#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2759#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:03,197 INFO L290 TraceCheckUtils]: 9: Hoare triple {2759#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} SUMMARY for call write~$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 {2759#(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 00:00:03,198 INFO L290 TraceCheckUtils]: 8: Hoare triple {2759#(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); {2759#(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 00:00:03,198 INFO L290 TraceCheckUtils]: 7: Hoare triple {2684#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; {2759#(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 00:00:03,199 INFO L290 TraceCheckUtils]: 6: Hoare triple {2684#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; {2684#true} is VALID [2022-02-21 00:00:03,199 INFO L290 TraceCheckUtils]: 5: Hoare triple {2684#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 {2684#true} is VALID [2022-02-21 00:00:03,199 INFO L290 TraceCheckUtils]: 4: Hoare triple {2684#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2684#true} is VALID [2022-02-21 00:00:03,199 INFO L290 TraceCheckUtils]: 3: Hoare triple {2684#true} SUMMARY for call write~$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 {2684#true} is VALID [2022-02-21 00:00:03,199 INFO L290 TraceCheckUtils]: 2: Hoare triple {2684#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2684#true} is VALID [2022-02-21 00:00:03,199 INFO L290 TraceCheckUtils]: 1: Hoare triple {2684#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {2684#true} is VALID [2022-02-21 00:00:03,200 INFO L290 TraceCheckUtils]: 0: Hoare triple {2684#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); {2684#true} is VALID [2022-02-21 00:00:03,200 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 00:00:03,200 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1321483466] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:03,200 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:03,200 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 6 [2022-02-21 00:00:03,200 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745706476] [2022-02-21 00:00:03,201 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:03,201 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 00:00:03,201 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:03,201 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 00:00:03,223 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 00:00:03,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-21 00:00:03,223 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:03,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-21 00:00:03,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:03,224 INFO L87 Difference]: Start difference. First operand 76 states and 84 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 00:00:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:03,383 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2022-02-21 00:00:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 00:00:03,383 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 00:00:03,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:03,384 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 00:00:03,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2022-02-21 00:00:03,384 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 00:00:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 84 transitions. [2022-02-21 00:00:03,385 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 84 transitions. [2022-02-21 00:00:03,444 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:03,445 INFO L225 Difference]: With dead ends: 92 [2022-02-21 00:00:03,445 INFO L226 Difference]: Without dead ends: 92 [2022-02-21 00:00:03,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:03,446 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 93 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:03,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [93 Valid, 92 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 52 Unchecked, 0.0s Time] [2022-02-21 00:00:03,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-02-21 00:00:03,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 74. [2022-02-21 00:00:03,448 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:03,448 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand has 74 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 73 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 00:00:03,448 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand has 74 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 73 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 00:00:03,448 INFO L87 Difference]: Start difference. First operand 92 states. Second operand has 74 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 73 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 00:00:03,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:03,450 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2022-02-21 00:00:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2022-02-21 00:00:03,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:03,450 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:03,450 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 73 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 92 states. [2022-02-21 00:00:03,451 INFO L87 Difference]: Start difference. First operand has 74 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 73 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 92 states. [2022-02-21 00:00:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:03,452 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2022-02-21 00:00:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2022-02-21 00:00:03,452 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:03,452 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:03,452 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:03,452 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:03,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 73 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 00:00:03,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions. [2022-02-21 00:00:03,453 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 18 [2022-02-21 00:00:03,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:03,454 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 80 transitions. [2022-02-21 00:00:03,454 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 00:00:03,454 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions. [2022-02-21 00:00:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-21 00:00:03,454 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:03,455 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:03,490 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 00:00:03,676 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 00:00:03,676 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:03,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:03,677 INFO L85 PathProgramCache]: Analyzing trace with hash -868554548, now seen corresponding path program 1 times [2022-02-21 00:00:03,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:03,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387234755] [2022-02-21 00:00:03,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:03,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:03,753 INFO L290 TraceCheckUtils]: 0: Hoare triple {3149#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); {3149#true} is VALID [2022-02-21 00:00:03,754 INFO L290 TraceCheckUtils]: 1: Hoare triple {3149#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {3149#true} is VALID [2022-02-21 00:00:03,754 INFO L290 TraceCheckUtils]: 2: Hoare triple {3149#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3149#true} is VALID [2022-02-21 00:00:03,754 INFO L290 TraceCheckUtils]: 3: Hoare triple {3149#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3149#true} is VALID [2022-02-21 00:00:03,754 INFO L290 TraceCheckUtils]: 4: Hoare triple {3149#true} SUMMARY for call write~$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 {3149#true} is VALID [2022-02-21 00:00:03,754 INFO L290 TraceCheckUtils]: 5: Hoare triple {3149#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 {3149#true} is VALID [2022-02-21 00:00:03,754 INFO L290 TraceCheckUtils]: 6: Hoare triple {3149#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; {3149#true} is VALID [2022-02-21 00:00:03,764 INFO L290 TraceCheckUtils]: 7: Hoare triple {3149#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; {3151#(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 00:00:03,764 INFO L290 TraceCheckUtils]: 8: Hoare triple {3151#(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); {3151#(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 00:00:03,765 INFO L290 TraceCheckUtils]: 9: Hoare triple {3151#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3151#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:03,766 INFO L290 TraceCheckUtils]: 10: Hoare triple {3151#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3151#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:03,767 INFO L290 TraceCheckUtils]: 11: Hoare triple {3151#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$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 {3151#(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 00:00:03,767 INFO L290 TraceCheckUtils]: 12: Hoare triple {3151#(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; {3152#(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 00:00:03,768 INFO L290 TraceCheckUtils]: 13: Hoare triple {3152#(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; {3152#(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 00:00:03,768 INFO L290 TraceCheckUtils]: 14: Hoare triple {3152#(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); {3152#(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 00:00:03,769 INFO L290 TraceCheckUtils]: 15: Hoare triple {3152#(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 {3152#(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 00:00:03,770 INFO L290 TraceCheckUtils]: 16: Hoare triple {3152#(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 {3152#(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 00:00:03,770 INFO L290 TraceCheckUtils]: 17: Hoare triple {3152#(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); {3150#false} is VALID [2022-02-21 00:00:03,770 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 00:00:03,771 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:03,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387234755] [2022-02-21 00:00:03,771 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387234755] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:03,771 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195495496] [2022-02-21 00:00:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:03,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:03,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:03,773 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 00:00:03,774 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 00:00:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:03,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-21 00:00:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:03,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:03,936 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 00:00:03,942 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 00:00:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:04,062 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 00:00:04,073 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:04,074 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 00:00:04,110 INFO L290 TraceCheckUtils]: 0: Hoare triple {3149#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); {3149#true} is VALID [2022-02-21 00:00:04,110 INFO L290 TraceCheckUtils]: 1: Hoare triple {3149#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {3149#true} is VALID [2022-02-21 00:00:04,110 INFO L290 TraceCheckUtils]: 2: Hoare triple {3149#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3149#true} is VALID [2022-02-21 00:00:04,111 INFO L290 TraceCheckUtils]: 3: Hoare triple {3149#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3149#true} is VALID [2022-02-21 00:00:04,111 INFO L290 TraceCheckUtils]: 4: Hoare triple {3149#true} SUMMARY for call write~$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 {3149#true} is VALID [2022-02-21 00:00:04,112 INFO L290 TraceCheckUtils]: 5: Hoare triple {3149#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 {3149#true} is VALID [2022-02-21 00:00:04,112 INFO L290 TraceCheckUtils]: 6: Hoare triple {3149#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; {3149#true} is VALID [2022-02-21 00:00:04,113 INFO L290 TraceCheckUtils]: 7: Hoare triple {3149#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; {3177#(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 00:00:04,113 INFO L290 TraceCheckUtils]: 8: Hoare triple {3177#(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); {3177#(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 00:00:04,114 INFO L290 TraceCheckUtils]: 9: Hoare triple {3177#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3177#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:04,115 INFO L290 TraceCheckUtils]: 10: Hoare triple {3177#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3177#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:04,116 INFO L290 TraceCheckUtils]: 11: Hoare triple {3177#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$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 {3177#(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 00:00:04,116 INFO L290 TraceCheckUtils]: 12: Hoare triple {3177#(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; {3193#(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 00:00:04,117 INFO L290 TraceCheckUtils]: 13: Hoare triple {3193#(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; {3197#(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 00:00:04,117 INFO L290 TraceCheckUtils]: 14: Hoare triple {3197#(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); {3197#(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 00:00:04,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {3197#(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 {3197#(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 00:00:04,119 INFO L290 TraceCheckUtils]: 16: Hoare triple {3197#(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 {3197#(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 00:00:04,119 INFO L290 TraceCheckUtils]: 17: Hoare triple {3197#(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); {3150#false} is VALID [2022-02-21 00:00:04,119 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 00:00:04,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:04,637 INFO L290 TraceCheckUtils]: 17: Hoare triple {3210#(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); {3150#false} is VALID [2022-02-21 00:00:04,638 INFO L290 TraceCheckUtils]: 16: Hoare triple {3210#(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 {3210#(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 00:00:04,639 INFO L290 TraceCheckUtils]: 15: Hoare triple {3210#(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 {3210#(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 00:00:04,639 INFO L290 TraceCheckUtils]: 14: Hoare triple {3210#(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); {3210#(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 00:00:04,643 INFO L290 TraceCheckUtils]: 13: Hoare triple {3223#(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; {3210#(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 00:00:04,644 INFO L290 TraceCheckUtils]: 12: Hoare triple {3227#(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; {3223#(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 00:00:04,645 INFO L290 TraceCheckUtils]: 11: Hoare triple {3227#(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 {3227#(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 00:00:04,646 INFO L290 TraceCheckUtils]: 10: Hoare triple {3227#(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 {3227#(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 00:00:04,647 INFO L290 TraceCheckUtils]: 9: Hoare triple {3227#(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 {3227#(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 00:00:04,649 INFO L290 TraceCheckUtils]: 8: Hoare triple {3227#(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); {3227#(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 00:00:04,650 INFO L290 TraceCheckUtils]: 7: Hoare triple {3149#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; {3227#(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 00:00:04,650 INFO L290 TraceCheckUtils]: 6: Hoare triple {3149#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; {3149#true} is VALID [2022-02-21 00:00:04,650 INFO L290 TraceCheckUtils]: 5: Hoare triple {3149#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 {3149#true} is VALID [2022-02-21 00:00:04,650 INFO L290 TraceCheckUtils]: 4: Hoare triple {3149#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3149#true} is VALID [2022-02-21 00:00:04,650 INFO L290 TraceCheckUtils]: 3: Hoare triple {3149#true} SUMMARY for call write~$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 {3149#true} is VALID [2022-02-21 00:00:04,651 INFO L290 TraceCheckUtils]: 2: Hoare triple {3149#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3149#true} is VALID [2022-02-21 00:00:04,651 INFO L290 TraceCheckUtils]: 1: Hoare triple {3149#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {3149#true} is VALID [2022-02-21 00:00:04,651 INFO L290 TraceCheckUtils]: 0: Hoare triple {3149#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); {3149#true} is VALID [2022-02-21 00:00:04,651 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 00:00:04,651 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195495496] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:04,651 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:04,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-02-21 00:00:04,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408440330] [2022-02-21 00:00:04,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:04,652 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 00:00:04,652 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:04,653 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 00:00:04,686 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 00:00:04,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-21 00:00:04,687 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:04,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-21 00:00:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-21 00:00:04,688 INFO L87 Difference]: Start difference. First operand 74 states and 80 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 00:00:05,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:05,049 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2022-02-21 00:00:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:05,049 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 00:00:05,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:05,049 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 00:00:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 83 transitions. [2022-02-21 00:00:05,050 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 00:00:05,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 83 transitions. [2022-02-21 00:00:05,051 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 83 transitions. [2022-02-21 00:00:05,112 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:05,113 INFO L225 Difference]: With dead ends: 90 [2022-02-21 00:00:05,113 INFO L226 Difference]: Without dead ends: 90 [2022-02-21 00:00:05,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-02-21 00:00:05,114 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 207 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:05,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 87 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 34 Unchecked, 0.1s Time] [2022-02-21 00:00:05,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-02-21 00:00:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 72. [2022-02-21 00:00:05,115 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:05,116 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 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 00:00:05,116 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 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 00:00:05,116 INFO L87 Difference]: Start difference. First operand 90 states. Second operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 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 00:00:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:05,117 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2022-02-21 00:00:05,117 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2022-02-21 00:00:05,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:05,117 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:05,117 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 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 90 states. [2022-02-21 00:00:05,117 INFO L87 Difference]: Start difference. First operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 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 90 states. [2022-02-21 00:00:05,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:05,118 INFO L93 Difference]: Finished difference Result 90 states and 94 transitions. [2022-02-21 00:00:05,118 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2022-02-21 00:00:05,118 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:05,118 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:05,118 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:05,118 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:05,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 71 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 00:00:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2022-02-21 00:00:05,128 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 18 [2022-02-21 00:00:05,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:05,128 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2022-02-21 00:00:05,128 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 00:00:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-02-21 00:00:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-21 00:00:05,129 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:05,129 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 00:00:05,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:05,343 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 00:00:05,344 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:05,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:05,344 INFO L85 PathProgramCache]: Analyzing trace with hash 140768543, now seen corresponding path program 1 times [2022-02-21 00:00:05,344 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:05,344 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201858523] [2022-02-21 00:00:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:05,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:05,458 INFO L290 TraceCheckUtils]: 0: Hoare triple {3613#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); {3613#true} is VALID [2022-02-21 00:00:05,459 INFO L290 TraceCheckUtils]: 1: Hoare triple {3613#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {3613#true} is VALID [2022-02-21 00:00:05,459 INFO L290 TraceCheckUtils]: 2: Hoare triple {3613#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3613#true} is VALID [2022-02-21 00:00:05,459 INFO L290 TraceCheckUtils]: 3: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3613#true} is VALID [2022-02-21 00:00:05,459 INFO L290 TraceCheckUtils]: 4: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3613#true} is VALID [2022-02-21 00:00:05,459 INFO L290 TraceCheckUtils]: 5: Hoare triple {3613#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 6: Hoare triple {3613#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 7: Hoare triple {3613#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 8: Hoare triple {3613#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 9: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 10: Hoare triple {3613#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 11: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3613#true} is VALID [2022-02-21 00:00:05,460 INFO L290 TraceCheckUtils]: 12: Hoare triple {3613#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 13: Hoare triple {3613#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 14: Hoare triple {3613#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 15: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 16: Hoare triple {3613#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 17: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 18: Hoare triple {3613#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3613#true} is VALID [2022-02-21 00:00:05,461 INFO L290 TraceCheckUtils]: 19: Hoare triple {3613#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 20: Hoare triple {3613#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 21: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 22: Hoare triple {3613#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 23: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 24: Hoare triple {3613#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 25: Hoare triple {3613#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3613#true} is VALID [2022-02-21 00:00:05,462 INFO L290 TraceCheckUtils]: 26: Hoare triple {3613#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3613#true} is VALID [2022-02-21 00:00:05,463 INFO L290 TraceCheckUtils]: 27: Hoare triple {3613#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3615#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,463 INFO L290 TraceCheckUtils]: 28: Hoare triple {3615#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3615#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,464 INFO L290 TraceCheckUtils]: 29: Hoare triple {3615#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3615#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,464 INFO L290 TraceCheckUtils]: 30: Hoare triple {3615#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,464 INFO L290 TraceCheckUtils]: 31: Hoare triple {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(dll_circular_create_~len#1 > 1); {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,465 INFO L290 TraceCheckUtils]: 32: Hoare triple {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,465 INFO L290 TraceCheckUtils]: 33: Hoare triple {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$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 {3616#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,466 INFO L290 TraceCheckUtils]: 34: Hoare triple {3616#(= (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; {3617#(= (select |#valid| |ULTIMATE.start_dll_circular_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:05,466 INFO L290 TraceCheckUtils]: 35: Hoare triple {3617#(= (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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {3618#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:05,466 INFO L290 TraceCheckUtils]: 36: Hoare triple {3618#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {3614#false} is VALID [2022-02-21 00:00:05,467 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 00:00:05,467 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:05,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201858523] [2022-02-21 00:00:05,467 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201858523] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:05,467 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:05,467 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 00:00:05,467 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337018712] [2022-02-21 00:00:05,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:05,468 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 00:00:05,468 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:05,468 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 00:00:05,484 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 00:00:05,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:05,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:05,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:05,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:05,485 INFO L87 Difference]: Start difference. First operand 72 states and 76 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 00:00:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:05,803 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2022-02-21 00:00:05,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 00:00:05,803 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 00:00:05,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:05,803 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 00:00:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 84 transitions. [2022-02-21 00:00:05,804 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 00:00:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 84 transitions. [2022-02-21 00:00:05,805 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 84 transitions. [2022-02-21 00:00:05,863 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:05,864 INFO L225 Difference]: With dead ends: 88 [2022-02-21 00:00:05,864 INFO L226 Difference]: Without dead ends: 88 [2022-02-21 00:00:05,864 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 00:00:05,864 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 141 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 71 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 00:00:05,865 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 71 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:05,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-02-21 00:00:05,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 69. [2022-02-21 00:00:05,866 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:05,866 INFO L82 GeneralOperation]: Start isEquivalent. First operand 88 states. Second operand has 69 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 68 states have internal predecessors, (74), 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 00:00:05,866 INFO L74 IsIncluded]: Start isIncluded. First operand 88 states. Second operand has 69 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 68 states have internal predecessors, (74), 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 00:00:05,866 INFO L87 Difference]: Start difference. First operand 88 states. Second operand has 69 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 68 states have internal predecessors, (74), 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 00:00:05,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:05,867 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2022-02-21 00:00:05,867 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2022-02-21 00:00:05,867 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:05,867 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:05,868 INFO L74 IsIncluded]: Start isIncluded. First operand has 69 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 68 states have internal predecessors, (74), 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 88 states. [2022-02-21 00:00:05,868 INFO L87 Difference]: Start difference. First operand has 69 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 68 states have internal predecessors, (74), 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 88 states. [2022-02-21 00:00:05,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:05,872 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2022-02-21 00:00:05,873 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2022-02-21 00:00:05,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:05,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:05,873 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:05,873 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 68 states have internal predecessors, (74), 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 00:00:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2022-02-21 00:00:05,874 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 37 [2022-02-21 00:00:05,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:05,874 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2022-02-21 00:00:05,874 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 00:00:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2022-02-21 00:00:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-21 00:00:05,874 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:05,874 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 00:00:05,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-21 00:00:05,874 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:05,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:05,875 INFO L85 PathProgramCache]: Analyzing trace with hash 140768544, now seen corresponding path program 1 times [2022-02-21 00:00:05,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:05,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590806304] [2022-02-21 00:00:05,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:05,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:06,029 INFO L290 TraceCheckUtils]: 0: Hoare triple {3961#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); {3961#true} is VALID [2022-02-21 00:00:06,029 INFO L290 TraceCheckUtils]: 1: Hoare triple {3961#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 2: Hoare triple {3961#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 3: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 4: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 5: Hoare triple {3961#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 6: Hoare triple {3961#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 7: Hoare triple {3961#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 8: Hoare triple {3961#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 9: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 10: Hoare triple {3961#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 11: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 12: Hoare triple {3961#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 13: Hoare triple {3961#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 14: Hoare triple {3961#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3961#true} is VALID [2022-02-21 00:00:06,030 INFO L290 TraceCheckUtils]: 15: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 16: Hoare triple {3961#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 17: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 18: Hoare triple {3961#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 19: Hoare triple {3961#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 20: Hoare triple {3961#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 21: Hoare triple {3961#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 22: Hoare triple {3961#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 23: Hoare triple {3961#true} SUMMARY for call write~$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 {3961#true} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 24: Hoare triple {3961#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; {3961#true} is VALID [2022-02-21 00:00:06,032 INFO L290 TraceCheckUtils]: 25: Hoare triple {3961#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; {3963#(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 00:00:06,032 INFO L290 TraceCheckUtils]: 26: Hoare triple {3963#(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); {3963#(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 00:00:06,033 INFO L290 TraceCheckUtils]: 27: Hoare triple {3963#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3963#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,033 INFO L290 TraceCheckUtils]: 28: Hoare triple {3963#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3963#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,034 INFO L290 TraceCheckUtils]: 29: Hoare triple {3963#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3963#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,034 INFO L290 TraceCheckUtils]: 30: Hoare triple {3963#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3964#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:06,035 INFO L290 TraceCheckUtils]: 31: Hoare triple {3964#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !(dll_circular_create_~len#1 > 1); {3964#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:06,036 INFO L290 TraceCheckUtils]: 32: Hoare triple {3964#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {3964#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:06,036 INFO L290 TraceCheckUtils]: 33: Hoare triple {3964#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$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 {3964#(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 00:00:06,037 INFO L290 TraceCheckUtils]: 34: Hoare triple {3964#(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; {3965#(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 00:00:06,037 INFO L290 TraceCheckUtils]: 35: Hoare triple {3965#(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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {3966#(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 00:00:06,037 INFO L290 TraceCheckUtils]: 36: Hoare triple {3966#(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); {3962#false} is VALID [2022-02-21 00:00:06,038 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 00:00:06,038 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:06,038 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590806304] [2022-02-21 00:00:06,038 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590806304] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:06,038 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:06,038 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 00:00:06,038 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958453152] [2022-02-21 00:00:06,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:06,038 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 00:00:06,039 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:06,039 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 00:00:06,057 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 00:00:06,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:06,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:06,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:06,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:06,057 INFO L87 Difference]: Start difference. First operand 69 states and 74 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 00:00:06,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:06,348 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-02-21 00:00:06,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:06,348 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 00:00:06,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:06,349 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 00:00:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2022-02-21 00:00:06,349 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 00:00:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2022-02-21 00:00:06,350 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 70 transitions. [2022-02-21 00:00:06,410 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 70 edges. 70 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:06,411 INFO L225 Difference]: With dead ends: 76 [2022-02-21 00:00:06,411 INFO L226 Difference]: Without dead ends: 76 [2022-02-21 00:00:06,411 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 00:00:06,412 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 149 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:06,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [149 Valid, 50 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-21 00:00:06,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 72. [2022-02-21 00:00:06,413 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:06,413 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 72 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 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 00:00:06,413 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 72 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 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 00:00:06,413 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 72 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 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 00:00:06,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:06,414 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-02-21 00:00:06,414 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-02-21 00:00:06,414 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:06,414 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:06,415 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 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 00:00:06,415 INFO L87 Difference]: Start difference. First operand has 72 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 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 00:00:06,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:06,415 INFO L93 Difference]: Finished difference Result 76 states and 80 transitions. [2022-02-21 00:00:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2022-02-21 00:00:06,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:06,416 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:06,416 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:06,416 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 71 states have internal predecessors, (77), 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 00:00:06,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2022-02-21 00:00:06,417 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 37 [2022-02-21 00:00:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:06,417 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2022-02-21 00:00:06,417 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 00:00:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2022-02-21 00:00:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-21 00:00:06,417 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:06,417 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] [2022-02-21 00:00:06,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-21 00:00:06,417 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:06,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:06,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1747626123, now seen corresponding path program 1 times [2022-02-21 00:00:06,418 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:06,418 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580824203] [2022-02-21 00:00:06,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:06,768 INFO L290 TraceCheckUtils]: 0: Hoare triple {4276#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); {4276#true} is VALID [2022-02-21 00:00:06,769 INFO L290 TraceCheckUtils]: 1: Hoare triple {4276#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {4278#(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 00:00:06,769 INFO L290 TraceCheckUtils]: 2: Hoare triple {4278#(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); {4278#(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 00:00:06,769 INFO L290 TraceCheckUtils]: 3: Hoare triple {4278#(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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,770 INFO L290 TraceCheckUtils]: 4: Hoare triple {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {4278#(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 00:00:06,771 INFO L290 TraceCheckUtils]: 5: Hoare triple {4278#(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 {4278#(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 00:00:06,771 INFO L290 TraceCheckUtils]: 6: Hoare triple {4278#(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; {4278#(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 00:00:06,773 INFO L290 TraceCheckUtils]: 7: Hoare triple {4278#(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; {4278#(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 00:00:06,773 INFO L290 TraceCheckUtils]: 8: Hoare triple {4278#(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); {4278#(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 00:00:06,774 INFO L290 TraceCheckUtils]: 9: Hoare triple {4278#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,774 INFO L290 TraceCheckUtils]: 10: Hoare triple {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,775 INFO L290 TraceCheckUtils]: 11: Hoare triple {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {4278#(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 00:00:06,775 INFO L290 TraceCheckUtils]: 12: Hoare triple {4278#(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; {4278#(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 00:00:06,776 INFO L290 TraceCheckUtils]: 13: Hoare triple {4278#(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; {4278#(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 00:00:06,777 INFO L290 TraceCheckUtils]: 14: Hoare triple {4278#(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); {4278#(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 00:00:06,789 INFO L290 TraceCheckUtils]: 15: Hoare triple {4278#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,789 INFO L290 TraceCheckUtils]: 16: Hoare triple {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,790 INFO L290 TraceCheckUtils]: 17: Hoare triple {4278#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {4278#(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 00:00:06,790 INFO L290 TraceCheckUtils]: 18: Hoare triple {4278#(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; {4278#(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 00:00:06,791 INFO L290 TraceCheckUtils]: 19: Hoare triple {4278#(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; {4278#(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 00:00:06,791 INFO L290 TraceCheckUtils]: 20: Hoare triple {4278#(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); {4278#(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 00:00:06,792 INFO L290 TraceCheckUtils]: 21: Hoare triple {4278#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4279#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,792 INFO L290 TraceCheckUtils]: 22: Hoare triple {4279#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4279#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:06,793 INFO L290 TraceCheckUtils]: 23: Hoare triple {4279#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {4279#(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 00:00:06,793 INFO L290 TraceCheckUtils]: 24: Hoare triple {4279#(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; {4280#(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 00:00:06,794 INFO L290 TraceCheckUtils]: 25: Hoare triple {4280#(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; {4281#(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 00:00:06,794 INFO L290 TraceCheckUtils]: 26: Hoare triple {4281#(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); {4281#(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 00:00:06,795 INFO L290 TraceCheckUtils]: 27: Hoare triple {4281#(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 {4281#(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 00:00:06,796 INFO L290 TraceCheckUtils]: 28: Hoare triple {4281#(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 {4282#(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 00:00:06,797 INFO L290 TraceCheckUtils]: 29: Hoare triple {4282#(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 {4283#(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 00:00:06,798 INFO L290 TraceCheckUtils]: 30: Hoare triple {4283#(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; {4284#(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 00:00:06,798 INFO L290 TraceCheckUtils]: 31: Hoare triple {4284#(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); {4284#(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 00:00:06,799 INFO L290 TraceCheckUtils]: 32: Hoare triple {4284#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4285#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:06,800 INFO L290 TraceCheckUtils]: 33: Hoare triple {4285#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} SUMMARY for call write~$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 {4285#(= |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 00:00:06,800 INFO L290 TraceCheckUtils]: 34: Hoare triple {4285#(= |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; {4286#(= |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 00:00:06,801 INFO L290 TraceCheckUtils]: 35: Hoare triple {4286#(= |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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {4287#(= |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 00:00:06,801 INFO L290 TraceCheckUtils]: 36: Hoare triple {4287#(= |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 {4288#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} is VALID [2022-02-21 00:00:06,801 INFO L290 TraceCheckUtils]: 37: Hoare triple {4288#(= |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; {4277#false} is VALID [2022-02-21 00:00:06,802 INFO L290 TraceCheckUtils]: 38: Hoare triple {4277#false} main_#res#1 := 1; {4277#false} is VALID [2022-02-21 00:00:06,802 INFO L290 TraceCheckUtils]: 39: Hoare triple {4277#false} assume !(#valid == main_old_#valid#1); {4277#false} is VALID [2022-02-21 00:00:06,802 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 00:00:06,802 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:06,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580824203] [2022-02-21 00:00:06,802 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580824203] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:06,802 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703942587] [2022-02-21 00:00:06,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:06,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:06,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:06,803 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 00:00:06,804 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 00:00:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:06,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-21 00:00:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:06,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:07,163 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 00:00:07,269 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:07,269 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 00:00:07,339 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 00:00:07,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 00:00:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:07,506 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 00:00:07,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:07,548 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 00:00:07,621 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 00:00:07,641 INFO L290 TraceCheckUtils]: 0: Hoare triple {4276#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); {4276#true} is VALID [2022-02-21 00:00:07,642 INFO L290 TraceCheckUtils]: 1: Hoare triple {4276#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {4295#(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 00:00:07,642 INFO L290 TraceCheckUtils]: 2: Hoare triple {4295#(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); {4295#(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 00:00:07,643 INFO L290 TraceCheckUtils]: 3: Hoare triple {4295#(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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,644 INFO L290 TraceCheckUtils]: 4: Hoare triple {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$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 {4295#(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 00:00:07,644 INFO L290 TraceCheckUtils]: 5: Hoare triple {4295#(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 {4295#(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 00:00:07,645 INFO L290 TraceCheckUtils]: 6: Hoare triple {4295#(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; {4295#(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 00:00:07,645 INFO L290 TraceCheckUtils]: 7: Hoare triple {4295#(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; {4295#(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 00:00:07,646 INFO L290 TraceCheckUtils]: 8: Hoare triple {4295#(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); {4295#(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 00:00:07,646 INFO L290 TraceCheckUtils]: 9: Hoare triple {4295#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,647 INFO L290 TraceCheckUtils]: 10: Hoare triple {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,647 INFO L290 TraceCheckUtils]: 11: Hoare triple {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$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 {4295#(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 00:00:07,648 INFO L290 TraceCheckUtils]: 12: Hoare triple {4295#(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; {4295#(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 00:00:07,648 INFO L290 TraceCheckUtils]: 13: Hoare triple {4295#(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; {4295#(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 00:00:07,649 INFO L290 TraceCheckUtils]: 14: Hoare triple {4295#(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); {4295#(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 00:00:07,649 INFO L290 TraceCheckUtils]: 15: Hoare triple {4295#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,650 INFO L290 TraceCheckUtils]: 16: Hoare triple {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,651 INFO L290 TraceCheckUtils]: 17: Hoare triple {4295#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$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 {4295#(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 00:00:07,651 INFO L290 TraceCheckUtils]: 18: Hoare triple {4295#(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; {4295#(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 00:00:07,652 INFO L290 TraceCheckUtils]: 19: Hoare triple {4295#(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; {4350#(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 00:00:07,652 INFO L290 TraceCheckUtils]: 20: Hoare triple {4350#(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); {4350#(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 00:00:07,653 INFO L290 TraceCheckUtils]: 21: Hoare triple {4350#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4350#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,654 INFO L290 TraceCheckUtils]: 22: Hoare triple {4350#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4350#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:07,654 INFO L290 TraceCheckUtils]: 23: Hoare triple {4350#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$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 {4350#(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 00:00:07,655 INFO L290 TraceCheckUtils]: 24: Hoare triple {4350#(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; {4366#(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 00:00:07,667 INFO L290 TraceCheckUtils]: 25: Hoare triple {4366#(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; {4370#(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 00:00:07,668 INFO L290 TraceCheckUtils]: 26: Hoare triple {4370#(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); {4370#(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 00:00:07,669 INFO L290 TraceCheckUtils]: 27: Hoare triple {4370#(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 {4370#(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 00:00:07,670 INFO L290 TraceCheckUtils]: 28: Hoare triple {4370#(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 {4380#(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 00:00:07,671 INFO L290 TraceCheckUtils]: 29: Hoare triple {4380#(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 {4384#(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 00:00:07,671 INFO L290 TraceCheckUtils]: 30: Hoare triple {4384#(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; {4388#(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 00:00:07,672 INFO L290 TraceCheckUtils]: 31: Hoare triple {4388#(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); {4388#(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 00:00:07,672 INFO L290 TraceCheckUtils]: 32: Hoare triple {4388#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4395#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:07,673 INFO L290 TraceCheckUtils]: 33: Hoare triple {4395#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$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 {4395#(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 00:00:07,674 INFO L290 TraceCheckUtils]: 34: Hoare triple {4395#(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; {4402#(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 00:00:07,674 INFO L290 TraceCheckUtils]: 35: Hoare triple {4402#(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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {4406#(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 00:00:07,675 INFO L290 TraceCheckUtils]: 36: Hoare triple {4406#(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 {4410#(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 00:00:07,675 INFO L290 TraceCheckUtils]: 37: Hoare triple {4410#(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; {4277#false} is VALID [2022-02-21 00:00:07,675 INFO L290 TraceCheckUtils]: 38: Hoare triple {4277#false} main_#res#1 := 1; {4277#false} is VALID [2022-02-21 00:00:07,676 INFO L290 TraceCheckUtils]: 39: Hoare triple {4277#false} assume !(#valid == main_old_#valid#1); {4277#false} is VALID [2022-02-21 00:00:07,676 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 00:00:07,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:08,813 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 00:00:09,640 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 00:00:09,679 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 00:00:09,744 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:09,744 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 00:00:09,774 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:09,774 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 00:00:09,787 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 00:00:09,877 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 00:00:10,343 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 00:00:10,641 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 00:00:10,785 INFO L290 TraceCheckUtils]: 39: Hoare triple {4277#false} assume !(#valid == main_old_#valid#1); {4277#false} is VALID [2022-02-21 00:00:10,785 INFO L290 TraceCheckUtils]: 38: Hoare triple {4277#false} main_#res#1 := 1; {4277#false} is VALID [2022-02-21 00:00:10,786 INFO L290 TraceCheckUtils]: 37: Hoare triple {4288#(= |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; {4277#false} is VALID [2022-02-21 00:00:10,786 INFO L290 TraceCheckUtils]: 36: Hoare triple {4287#(= |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 {4288#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} is VALID [2022-02-21 00:00:10,787 INFO L290 TraceCheckUtils]: 35: Hoare triple {4286#(= |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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {4287#(= |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 00:00:10,787 INFO L290 TraceCheckUtils]: 34: Hoare triple {4285#(= |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; {4286#(= |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 00:00:10,789 INFO L290 TraceCheckUtils]: 33: Hoare triple {4285#(= |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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {4285#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:10,790 INFO L290 TraceCheckUtils]: 32: Hoare triple {4441#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$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 {4285#(= |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 00:00:10,791 INFO L290 TraceCheckUtils]: 31: Hoare triple {4441#(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); {4441#(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 00:00:10,792 INFO L290 TraceCheckUtils]: 30: Hoare triple {4448#(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; {4441#(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 00:00:10,793 INFO L290 TraceCheckUtils]: 29: Hoare triple {4452#(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 {4448#(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 00:00:10,794 INFO L290 TraceCheckUtils]: 28: Hoare triple {4456#(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 {4452#(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 00:00:10,795 INFO L290 TraceCheckUtils]: 27: Hoare triple {4456#(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 {4456#(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 00:00:10,795 INFO L290 TraceCheckUtils]: 26: Hoare triple {4456#(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); {4456#(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 00:00:10,796 INFO L290 TraceCheckUtils]: 25: Hoare triple {4466#(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; {4456#(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 00:00:10,797 INFO L290 TraceCheckUtils]: 24: Hoare triple {4470#(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; {4466#(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 00:00:10,798 INFO L290 TraceCheckUtils]: 23: Hoare triple {4470#(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 {4470#(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 00:00:10,800 INFO L290 TraceCheckUtils]: 22: Hoare triple {4470#(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 {4470#(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 00:00:10,801 INFO L290 TraceCheckUtils]: 21: Hoare triple {4470#(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 {4470#(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 00:00:10,802 INFO L290 TraceCheckUtils]: 20: Hoare triple {4470#(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); {4470#(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 00:00:10,803 INFO L290 TraceCheckUtils]: 19: Hoare triple {4486#(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; {4470#(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 00:00:10,803 INFO L290 TraceCheckUtils]: 18: Hoare triple {4486#(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; {4486#(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 00:00:10,804 INFO L290 TraceCheckUtils]: 17: Hoare triple {4486#(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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:10,804 INFO L290 TraceCheckUtils]: 16: Hoare triple {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:10,805 INFO L290 TraceCheckUtils]: 15: Hoare triple {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$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 {4486#(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 00:00:10,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {4486#(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); {4486#(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 00:00:10,806 INFO L290 TraceCheckUtils]: 13: Hoare triple {4486#(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; {4486#(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 00:00:10,807 INFO L290 TraceCheckUtils]: 12: Hoare triple {4486#(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; {4486#(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 00:00:10,808 INFO L290 TraceCheckUtils]: 11: Hoare triple {4486#(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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:10,808 INFO L290 TraceCheckUtils]: 10: Hoare triple {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:10,809 INFO L290 TraceCheckUtils]: 9: Hoare triple {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$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 {4486#(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 00:00:10,810 INFO L290 TraceCheckUtils]: 8: Hoare triple {4486#(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); {4486#(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 00:00:10,810 INFO L290 TraceCheckUtils]: 7: Hoare triple {4486#(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; {4486#(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 00:00:10,811 INFO L290 TraceCheckUtils]: 6: Hoare triple {4486#(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; {4486#(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 00:00:10,811 INFO L290 TraceCheckUtils]: 5: Hoare triple {4486#(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 {4486#(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 00:00:10,812 INFO L290 TraceCheckUtils]: 4: Hoare triple {4486#(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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:10,813 INFO L290 TraceCheckUtils]: 3: Hoare triple {4486#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$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 {4486#(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 00:00:10,813 INFO L290 TraceCheckUtils]: 2: Hoare triple {4486#(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); {4486#(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 00:00:10,814 INFO L290 TraceCheckUtils]: 1: Hoare triple {4276#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {4486#(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 00:00:10,814 INFO L290 TraceCheckUtils]: 0: Hoare triple {4276#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); {4276#true} is VALID [2022-02-21 00:00:10,814 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 00:00:10,815 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703942587] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:10,815 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:10,815 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2022-02-21 00:00:10,815 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855293482] [2022-02-21 00:00:10,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:10,816 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 40 [2022-02-21 00:00:10,816 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:10,816 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 00:00:10,901 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 00:00:10,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-21 00:00:10,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:10,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-21 00:00:10,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=675, Unknown=3, NotChecked=162, Total=930 [2022-02-21 00:00:10,902 INFO L87 Difference]: Start difference. First operand 72 states and 77 transitions. Second operand has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 00:00:11,280 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 00:00:11,614 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 00:00:11,948 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 00:00:12,814 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 00:00:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:13,292 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-02-21 00:00:13,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-21 00:00:13,292 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 40 [2022-02-21 00:00:13,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 00:00:13,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 64 transitions. [2022-02-21 00:00:13,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 00:00:13,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 64 transitions. [2022-02-21 00:00:13,294 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 64 transitions. [2022-02-21 00:00:13,345 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 64 edges. 64 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:13,346 INFO L225 Difference]: With dead ends: 72 [2022-02-21 00:00:13,346 INFO L226 Difference]: Without dead ends: 72 [2022-02-21 00:00:13,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=165, Invalid=1046, Unknown=7, NotChecked=504, Total=1722 [2022-02-21 00:00:13,347 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 18 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 123 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:13,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 555 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 300 Invalid, 0 Unknown, 123 Unchecked, 0.3s Time] [2022-02-21 00:00:13,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-02-21 00:00:13,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-02-21 00:00:13,348 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:13,348 INFO L82 GeneralOperation]: Start isEquivalent. First operand 72 states. Second operand has 72 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 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 00:00:13,349 INFO L74 IsIncluded]: Start isIncluded. First operand 72 states. Second operand has 72 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 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 00:00:13,349 INFO L87 Difference]: Start difference. First operand 72 states. Second operand has 72 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 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 00:00:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:13,349 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-02-21 00:00:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-02-21 00:00:13,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:13,350 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:13,350 INFO L74 IsIncluded]: Start isIncluded. First operand has 72 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 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 72 states. [2022-02-21 00:00:13,350 INFO L87 Difference]: Start difference. First operand has 72 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 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 72 states. [2022-02-21 00:00:13,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:13,351 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions. [2022-02-21 00:00:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-02-21 00:00:13,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:13,351 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:13,352 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:13,352 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 71 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 00:00:13,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions. [2022-02-21 00:00:13,352 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 40 [2022-02-21 00:00:13,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:13,353 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions. [2022-02-21 00:00:13,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.870967741935484) internal successors, (89), 31 states have internal predecessors, (89), 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 00:00:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions. [2022-02-21 00:00:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:13,353 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:13,354 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 00:00:13,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:13,554 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 00:00:13,554 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:13,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:13,555 INFO L85 PathProgramCache]: Analyzing trace with hash -56889687, now seen corresponding path program 1 times [2022-02-21 00:00:13,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:13,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430152569] [2022-02-21 00:00:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:13,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:13,645 INFO L290 TraceCheckUtils]: 0: Hoare triple {4854#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); {4854#true} is VALID [2022-02-21 00:00:13,646 INFO L290 TraceCheckUtils]: 1: Hoare triple {4854#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {4854#true} is VALID [2022-02-21 00:00:13,646 INFO L290 TraceCheckUtils]: 2: Hoare triple {4854#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {4854#true} is VALID [2022-02-21 00:00:13,646 INFO L290 TraceCheckUtils]: 3: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4854#true} is VALID [2022-02-21 00:00:13,646 INFO L290 TraceCheckUtils]: 4: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {4854#true} is VALID [2022-02-21 00:00:13,646 INFO L290 TraceCheckUtils]: 5: Hoare triple {4854#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {4854#true} is VALID [2022-02-21 00:00:13,646 INFO L290 TraceCheckUtils]: 6: Hoare triple {4854#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 7: Hoare triple {4854#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 8: Hoare triple {4854#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 9: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 10: Hoare triple {4854#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 11: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 12: Hoare triple {4854#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 13: Hoare triple {4854#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 14: Hoare triple {4854#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4854#true} is VALID [2022-02-21 00:00:13,647 INFO L290 TraceCheckUtils]: 15: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 16: Hoare triple {4854#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 17: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 18: Hoare triple {4854#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 19: Hoare triple {4854#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 20: Hoare triple {4854#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 21: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 22: Hoare triple {4854#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4854#true} is VALID [2022-02-21 00:00:13,648 INFO L290 TraceCheckUtils]: 23: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4854#true} is VALID [2022-02-21 00:00:13,649 INFO L290 TraceCheckUtils]: 24: Hoare triple {4854#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4854#true} is VALID [2022-02-21 00:00:13,649 INFO L290 TraceCheckUtils]: 25: Hoare triple {4854#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4854#true} is VALID [2022-02-21 00:00:13,649 INFO L290 TraceCheckUtils]: 26: Hoare triple {4854#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4854#true} is VALID [2022-02-21 00:00:13,649 INFO L290 TraceCheckUtils]: 27: Hoare triple {4854#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4856#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,649 INFO L290 TraceCheckUtils]: 28: Hoare triple {4856#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4856#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,650 INFO L290 TraceCheckUtils]: 29: Hoare triple {4856#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4856#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,650 INFO L290 TraceCheckUtils]: 30: Hoare triple {4856#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,650 INFO L290 TraceCheckUtils]: 31: Hoare triple {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(dll_circular_create_~len#1 > 1); {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,651 INFO L290 TraceCheckUtils]: 32: Hoare triple {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,651 INFO L290 TraceCheckUtils]: 33: Hoare triple {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$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 {4857#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,652 INFO L290 TraceCheckUtils]: 34: Hoare triple {4857#(= (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; {4858#(= (select |#valid| |ULTIMATE.start_dll_circular_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:13,652 INFO L290 TraceCheckUtils]: 35: Hoare triple {4858#(= (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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {4859#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:13,652 INFO L290 TraceCheckUtils]: 36: Hoare triple {4859#(= (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 {4859#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:13,653 INFO L290 TraceCheckUtils]: 37: Hoare triple {4859#(= (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; {4859#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:13,654 INFO L290 TraceCheckUtils]: 38: Hoare triple {4859#(= (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 {4859#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:13,654 INFO L290 TraceCheckUtils]: 39: Hoare triple {4859#(= (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 {4859#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:13,654 INFO L290 TraceCheckUtils]: 40: Hoare triple {4859#(= (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; {4860#(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 00:00:13,655 INFO L290 TraceCheckUtils]: 41: Hoare triple {4860#(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); {4861#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:13,658 INFO L290 TraceCheckUtils]: 42: Hoare triple {4861#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {4855#false} is VALID [2022-02-21 00:00:13,659 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 00:00:13,659 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:13,659 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430152569] [2022-02-21 00:00:13,659 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430152569] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:13,659 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:13,659 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-21 00:00:13,660 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204823] [2022-02-21 00:00:13,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:13,660 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 00:00:13,660 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:13,660 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 00:00:13,683 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 00:00:13,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-21 00:00:13,683 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:13,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-21 00:00:13,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:13,684 INFO L87 Difference]: Start difference. First operand 72 states and 76 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 00:00:13,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:13,990 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2022-02-21 00:00:13,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-21 00:00:13,990 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 00:00:13,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:13,991 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 00:00:13,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2022-02-21 00:00:13,993 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 00:00:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 78 transitions. [2022-02-21 00:00:13,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 78 transitions. [2022-02-21 00:00:14,048 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:14,048 INFO L225 Difference]: With dead ends: 92 [2022-02-21 00:00:14,049 INFO L226 Difference]: Without dead ends: 92 [2022-02-21 00:00:14,049 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 00:00:14,052 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 160 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:14,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 80 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:14,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-02-21 00:00:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 71. [2022-02-21 00:00:14,053 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:14,054 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand has 71 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 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 00:00:14,054 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand has 71 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 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 00:00:14,054 INFO L87 Difference]: Start difference. First operand 92 states. Second operand has 71 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 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 00:00:14,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:14,055 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2022-02-21 00:00:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2022-02-21 00:00:14,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:14,055 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:14,055 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 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 00:00:14,056 INFO L87 Difference]: Start difference. First operand has 71 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 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 00:00:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:14,057 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2022-02-21 00:00:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2022-02-21 00:00:14,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:14,057 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:14,057 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:14,057 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:14,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 60 states have (on average 1.25) internal successors, (75), 70 states have internal predecessors, (75), 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 00:00:14,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 75 transitions. [2022-02-21 00:00:14,058 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 75 transitions. Word has length 43 [2022-02-21 00:00:14,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:14,059 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 75 transitions. [2022-02-21 00:00:14,059 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 00:00:14,060 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2022-02-21 00:00:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:14,060 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:14,060 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 00:00:14,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-21 00:00:14,060 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:14,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:14,061 INFO L85 PathProgramCache]: Analyzing trace with hash -56889686, now seen corresponding path program 1 times [2022-02-21 00:00:14,061 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:14,061 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456198596] [2022-02-21 00:00:14,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:14,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:14,237 INFO L290 TraceCheckUtils]: 0: Hoare triple {5222#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); {5222#true} is VALID [2022-02-21 00:00:14,237 INFO L290 TraceCheckUtils]: 1: Hoare triple {5222#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {5222#true} is VALID [2022-02-21 00:00:14,237 INFO L290 TraceCheckUtils]: 2: Hoare triple {5222#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5222#true} is VALID [2022-02-21 00:00:14,237 INFO L290 TraceCheckUtils]: 3: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 4: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 5: Hoare triple {5222#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 6: Hoare triple {5222#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 7: Hoare triple {5222#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 8: Hoare triple {5222#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 9: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 10: Hoare triple {5222#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5222#true} is VALID [2022-02-21 00:00:14,238 INFO L290 TraceCheckUtils]: 11: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 12: Hoare triple {5222#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 13: Hoare triple {5222#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 14: Hoare triple {5222#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 15: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 16: Hoare triple {5222#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 17: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 18: Hoare triple {5222#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 19: Hoare triple {5222#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5222#true} is VALID [2022-02-21 00:00:14,239 INFO L290 TraceCheckUtils]: 20: Hoare triple {5222#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5222#true} is VALID [2022-02-21 00:00:14,240 INFO L290 TraceCheckUtils]: 21: Hoare triple {5222#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5222#true} is VALID [2022-02-21 00:00:14,240 INFO L290 TraceCheckUtils]: 22: Hoare triple {5222#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5222#true} is VALID [2022-02-21 00:00:14,240 INFO L290 TraceCheckUtils]: 23: Hoare triple {5222#true} SUMMARY for call write~$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 {5222#true} is VALID [2022-02-21 00:00:14,240 INFO L290 TraceCheckUtils]: 24: Hoare triple {5222#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; {5222#true} is VALID [2022-02-21 00:00:14,241 INFO L290 TraceCheckUtils]: 25: Hoare triple {5222#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; {5224#(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 00:00:14,242 INFO L290 TraceCheckUtils]: 26: Hoare triple {5224#(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); {5224#(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 00:00:14,242 INFO L290 TraceCheckUtils]: 27: Hoare triple {5224#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5224#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:14,243 INFO L290 TraceCheckUtils]: 28: Hoare triple {5224#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5224#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:14,244 INFO L290 TraceCheckUtils]: 29: Hoare triple {5224#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5224#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:14,244 INFO L290 TraceCheckUtils]: 30: Hoare triple {5224#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5225#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:14,245 INFO L290 TraceCheckUtils]: 31: Hoare triple {5225#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !(dll_circular_create_~len#1 > 1); {5225#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:14,245 INFO L290 TraceCheckUtils]: 32: Hoare triple {5225#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5225#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:14,246 INFO L290 TraceCheckUtils]: 33: Hoare triple {5225#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$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 {5225#(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 00:00:14,246 INFO L290 TraceCheckUtils]: 34: Hoare triple {5225#(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; {5226#(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 00:00:14,247 INFO L290 TraceCheckUtils]: 35: Hoare triple {5226#(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_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {5227#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:14,248 INFO L290 TraceCheckUtils]: 36: Hoare triple {5227#(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 {5227#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:14,248 INFO L290 TraceCheckUtils]: 37: Hoare triple {5227#(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; {5227#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:14,249 INFO L290 TraceCheckUtils]: 38: Hoare triple {5227#(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 {5227#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:14,249 INFO L290 TraceCheckUtils]: 39: Hoare triple {5227#(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 {5227#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:14,250 INFO L290 TraceCheckUtils]: 40: Hoare triple {5227#(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; {5228#(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 00:00:14,251 INFO L290 TraceCheckUtils]: 41: Hoare triple {5228#(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); {5229#(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 00:00:14,252 INFO L290 TraceCheckUtils]: 42: Hoare triple {5229#(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); {5223#false} is VALID [2022-02-21 00:00:14,252 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 00:00:14,252 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:14,252 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456198596] [2022-02-21 00:00:14,253 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456198596] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:14,253 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:14,253 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-21 00:00:14,253 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762664932] [2022-02-21 00:00:14,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:14,254 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 00:00:14,254 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:14,254 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 00:00:14,280 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 00:00:14,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-21 00:00:14,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:14,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-21 00:00:14,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:14,281 INFO L87 Difference]: Start difference. First operand 71 states and 75 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 00:00:14,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:14,617 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2022-02-21 00:00:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 00:00:14,617 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 00:00:14,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:14,617 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 00:00:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-02-21 00:00:14,618 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 00:00:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 65 transitions. [2022-02-21 00:00:14,618 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 65 transitions. [2022-02-21 00:00:14,670 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:14,670 INFO L225 Difference]: With dead ends: 74 [2022-02-21 00:00:14,670 INFO L226 Difference]: Without dead ends: 74 [2022-02-21 00:00:14,671 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 00:00:14,671 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 158 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:14,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 67 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-02-21 00:00:14,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2022-02-21 00:00:14,673 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:14,673 INFO L82 GeneralOperation]: Start isEquivalent. First operand 74 states. Second operand has 70 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 69 states have internal predecessors, (74), 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 00:00:14,673 INFO L74 IsIncluded]: Start isIncluded. First operand 74 states. Second operand has 70 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 69 states have internal predecessors, (74), 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 00:00:14,673 INFO L87 Difference]: Start difference. First operand 74 states. Second operand has 70 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 69 states have internal predecessors, (74), 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 00:00:14,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:14,674 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2022-02-21 00:00:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2022-02-21 00:00:14,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:14,675 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:14,675 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 69 states have internal predecessors, (74), 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 74 states. [2022-02-21 00:00:14,675 INFO L87 Difference]: Start difference. First operand has 70 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 69 states have internal predecessors, (74), 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 74 states. [2022-02-21 00:00:14,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:14,676 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2022-02-21 00:00:14,676 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2022-02-21 00:00:14,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:14,676 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:14,676 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:14,676 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 60 states have (on average 1.2333333333333334) internal successors, (74), 69 states have internal predecessors, (74), 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 00:00:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 74 transitions. [2022-02-21 00:00:14,677 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 74 transitions. Word has length 43 [2022-02-21 00:00:14,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:14,677 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 74 transitions. [2022-02-21 00:00:14,677 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 00:00:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2022-02-21 00:00:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:14,677 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:14,677 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 00:00:14,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-21 00:00:14,678 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:14,678 INFO L85 PathProgramCache]: Analyzing trace with hash -56889649, now seen corresponding path program 1 times [2022-02-21 00:00:14,678 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:14,678 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692569763] [2022-02-21 00:00:14,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:14,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:15,049 INFO L290 TraceCheckUtils]: 0: Hoare triple {5533#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); {5533#true} is VALID [2022-02-21 00:00:15,050 INFO L290 TraceCheckUtils]: 1: Hoare triple {5533#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:15,050 INFO L290 TraceCheckUtils]: 2: Hoare triple {5535#(= |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); {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:15,051 INFO L290 TraceCheckUtils]: 3: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:15,051 INFO L290 TraceCheckUtils]: 4: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:15,051 INFO L290 TraceCheckUtils]: 5: Hoare triple {5535#(= |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 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:15,052 INFO L290 TraceCheckUtils]: 6: Hoare triple {5535#(= |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; {5536#(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 00:00:15,052 INFO L290 TraceCheckUtils]: 7: Hoare triple {5536#(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; {5536#(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 00:00:15,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {5536#(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); {5536#(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 00:00:15,054 INFO L290 TraceCheckUtils]: 9: Hoare triple {5536#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5536#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:15,054 INFO L290 TraceCheckUtils]: 10: Hoare triple {5536#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5536#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:15,055 INFO L290 TraceCheckUtils]: 11: Hoare triple {5536#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$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 {5537#(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 00:00:15,055 INFO L290 TraceCheckUtils]: 12: Hoare triple {5537#(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; {5537#(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 00:00:15,056 INFO L290 TraceCheckUtils]: 13: Hoare triple {5537#(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; {5537#(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 00:00:15,056 INFO L290 TraceCheckUtils]: 14: Hoare triple {5537#(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); {5537#(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 00:00:15,057 INFO L290 TraceCheckUtils]: 15: Hoare triple {5537#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5537#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,057 INFO L290 TraceCheckUtils]: 16: Hoare triple {5537#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5537#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,058 INFO L290 TraceCheckUtils]: 17: Hoare triple {5537#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {5537#(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 00:00:15,058 INFO L290 TraceCheckUtils]: 18: Hoare triple {5537#(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; {5537#(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 00:00:15,059 INFO L290 TraceCheckUtils]: 19: Hoare triple {5537#(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; {5538#(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 00:00:15,059 INFO L290 TraceCheckUtils]: 20: Hoare triple {5538#(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); {5538#(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 00:00:15,060 INFO L290 TraceCheckUtils]: 21: Hoare triple {5538#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5539#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,060 INFO L290 TraceCheckUtils]: 22: Hoare triple {5539#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5539#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,061 INFO L290 TraceCheckUtils]: 23: Hoare triple {5539#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {5539#(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 00:00:15,061 INFO L290 TraceCheckUtils]: 24: Hoare triple {5539#(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; {5540#(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 00:00:15,062 INFO L290 TraceCheckUtils]: 25: Hoare triple {5540#(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; {5541#(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 00:00:15,062 INFO L290 TraceCheckUtils]: 26: Hoare triple {5541#(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); {5541#(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 00:00:15,063 INFO L290 TraceCheckUtils]: 27: Hoare triple {5541#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5542#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,064 INFO L290 TraceCheckUtils]: 28: Hoare triple {5542#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5542#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,065 INFO L290 TraceCheckUtils]: 29: Hoare triple {5542#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5543#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,065 INFO L290 TraceCheckUtils]: 30: Hoare triple {5543#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5544#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:15,066 INFO L290 TraceCheckUtils]: 31: Hoare triple {5544#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {5544#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:15,067 INFO L290 TraceCheckUtils]: 32: Hoare triple {5544#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5545#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:15,067 INFO L290 TraceCheckUtils]: 33: Hoare triple {5545#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5546#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 1))} is VALID [2022-02-21 00:00:15,068 INFO L290 TraceCheckUtils]: 34: Hoare triple {5546#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 1))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5547#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:15,068 INFO L290 TraceCheckUtils]: 35: Hoare triple {5547#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:15,068 INFO L290 TraceCheckUtils]: 36: Hoare triple {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:15,069 INFO L290 TraceCheckUtils]: 37: Hoare triple {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:15,070 INFO L290 TraceCheckUtils]: 38: Hoare triple {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:15,070 INFO L290 TraceCheckUtils]: 39: Hoare triple {5548#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$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 {5549#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} is VALID [2022-02-21 00:00:15,070 INFO L290 TraceCheckUtils]: 40: Hoare triple {5549#(= (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; {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:15,071 INFO L290 TraceCheckUtils]: 41: Hoare triple {5550#(= (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); {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:15,071 INFO L290 TraceCheckUtils]: 42: Hoare triple {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5534#false} is VALID [2022-02-21 00:00:15,071 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 00:00:15,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:15,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692569763] [2022-02-21 00:00:15,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692569763] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:15,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408868067] [2022-02-21 00:00:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:15,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:15,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:15,073 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 00:00:15,074 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 00:00:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:15,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 76 conjunts are in the unsatisfiable core [2022-02-21 00:00:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:15,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:15,298 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 00:00:15,416 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-21 00:00:15,416 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 00:00:15,480 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 00:00:15,491 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 00:00:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:15,555 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 00:00:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:15,572 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 00:00:15,601 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:15,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 00:00:15,606 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 00:00:15,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:15,728 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-21 00:00:15,729 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 00:00:15,789 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-21 00:00:15,790 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 00:00:15,793 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 00:00:15,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:15,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:15,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:15,934 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:15,934 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 00:00:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:15,963 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 00:00:16,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:16,602 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:16,602 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 00:00:16,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:16,627 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 00:00:16,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:16,750 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:16,755 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:16,755 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 00:00:16,776 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:16,777 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 00:00:17,580 INFO L290 TraceCheckUtils]: 0: Hoare triple {5533#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); {5533#true} is VALID [2022-02-21 00:00:17,581 INFO L290 TraceCheckUtils]: 1: Hoare triple {5533#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {5535#(= |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); {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,581 INFO L290 TraceCheckUtils]: 3: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,581 INFO L290 TraceCheckUtils]: 4: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,582 INFO L290 TraceCheckUtils]: 5: Hoare triple {5535#(= |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 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,582 INFO L290 TraceCheckUtils]: 6: Hoare triple {5535#(= |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; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,582 INFO L290 TraceCheckUtils]: 7: Hoare triple {5535#(= |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; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,583 INFO L290 TraceCheckUtils]: 8: Hoare triple {5535#(= |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); {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,583 INFO L290 TraceCheckUtils]: 9: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,583 INFO L290 TraceCheckUtils]: 10: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,584 INFO L290 TraceCheckUtils]: 11: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,584 INFO L290 TraceCheckUtils]: 12: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,584 INFO L290 TraceCheckUtils]: 13: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,584 INFO L290 TraceCheckUtils]: 14: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,585 INFO L290 TraceCheckUtils]: 15: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,585 INFO L290 TraceCheckUtils]: 16: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,585 INFO L290 TraceCheckUtils]: 17: Hoare triple {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,585 INFO L290 TraceCheckUtils]: 18: Hoare triple {5535#(= |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; {5535#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:17,586 INFO L290 TraceCheckUtils]: 19: Hoare triple {5535#(= |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; {5611#(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 00:00:17,586 INFO L290 TraceCheckUtils]: 20: Hoare triple {5611#(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); {5611#(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 00:00:17,587 INFO L290 TraceCheckUtils]: 21: Hoare triple {5611#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5611#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,588 INFO L290 TraceCheckUtils]: 22: Hoare triple {5611#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5611#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,588 INFO L290 TraceCheckUtils]: 23: Hoare triple {5611#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$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 {5611#(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 00:00:17,588 INFO L290 TraceCheckUtils]: 24: Hoare triple {5611#(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; {5627#(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 00:00:17,589 INFO L290 TraceCheckUtils]: 25: Hoare triple {5627#(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; {5631#(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 00:00:17,590 INFO L290 TraceCheckUtils]: 26: Hoare triple {5631#(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); {5631#(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 00:00:17,590 INFO L290 TraceCheckUtils]: 27: Hoare triple {5631#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5638#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,591 INFO L290 TraceCheckUtils]: 28: Hoare triple {5638#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5638#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,592 INFO L290 TraceCheckUtils]: 29: Hoare triple {5638#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5645#(and (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,593 INFO L290 TraceCheckUtils]: 30: Hoare triple {5645#(and (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5649#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,593 INFO L290 TraceCheckUtils]: 31: Hoare triple {5649#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(dll_circular_create_~len#1 > 1); {5649#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,594 INFO L290 TraceCheckUtils]: 32: Hoare triple {5649#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5656#(and (exists ((v_arrayElimCell_24 Int)) (and (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_24)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_24) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:17,595 INFO L290 TraceCheckUtils]: 33: Hoare triple {5656#(and (exists ((v_arrayElimCell_24 Int)) (and (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_24)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_24) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5660#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_24 Int)) (and (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_24)) (or (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (or (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 1))} is VALID [2022-02-21 00:00:17,596 INFO L290 TraceCheckUtils]: 34: Hoare triple {5660#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_24 Int)) (and (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_24)) (or (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (or (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 1))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5664#(and (exists ((v_arrayElimCell_24 Int)) (and (or (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 1) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) 0) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:17,598 INFO L290 TraceCheckUtils]: 35: Hoare triple {5664#(and (exists ((v_arrayElimCell_24 Int)) (and (or (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 1) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) 0) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:17,599 INFO L290 TraceCheckUtils]: 36: Hoare triple {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:17,599 INFO L290 TraceCheckUtils]: 37: Hoare triple {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:17,601 INFO L290 TraceCheckUtils]: 38: Hoare triple {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:17,603 INFO L290 TraceCheckUtils]: 39: Hoare triple {5668#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_24 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_24)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_24)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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 {5681#(and (exists ((v_arrayElimCell_24 Int) (v_arrayElimCell_35 Int)) (and (= (select |#valid| v_arrayElimCell_35) 1) (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_24)) (or (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (or (= v_arrayElimCell_24 |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:17,604 INFO L290 TraceCheckUtils]: 40: Hoare triple {5681#(and (exists ((v_arrayElimCell_24 Int) (v_arrayElimCell_35 Int)) (and (= (select |#valid| v_arrayElimCell_35) 1) (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_24)) (or (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (or (= v_arrayElimCell_24 |ULTIMATE.start_main_#t~mem8#1.base|) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= (select |#valid| v_arrayElimCell_24) 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; {5685#(and (exists ((v_arrayElimCell_24 Int) (v_arrayElimCell_35 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_24)) (or (= |ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimCell_24) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= (select |#valid| v_arrayElimCell_24) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:17,605 INFO L290 TraceCheckUtils]: 41: Hoare triple {5685#(and (exists ((v_arrayElimCell_24 Int) (v_arrayElimCell_35 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_24)) (or (= |ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimCell_24) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= (select |#valid| v_arrayElimCell_24) 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); {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,606 INFO L290 TraceCheckUtils]: 42: Hoare triple {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5534#false} is VALID [2022-02-21 00:00:17,606 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 00:00:17,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:18,773 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:18,781 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:18,783 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 00:00:18,796 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:18,801 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:18,801 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 00:00:18,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:18,817 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:18,818 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 00:00:18,867 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:18,867 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 00:00:18,899 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 00:00:18,961 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 00:00:18,985 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 00:00:19,140 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 00:00:19,984 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 00:00:26,760 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-02-21 00:00:26,760 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 00:00:26,783 INFO L290 TraceCheckUtils]: 42: Hoare triple {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5534#false} is VALID [2022-02-21 00:00:26,783 INFO L290 TraceCheckUtils]: 41: Hoare triple {5695#(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); {5550#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,784 INFO L290 TraceCheckUtils]: 40: Hoare triple {5699#(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; {5695#(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 00:00:26,784 INFO L290 TraceCheckUtils]: 39: Hoare triple {5703#(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$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {5699#(or (= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} is VALID [2022-02-21 00:00:26,785 INFO L290 TraceCheckUtils]: 38: Hoare triple {5703#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5703#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:26,786 INFO L290 TraceCheckUtils]: 37: Hoare triple {5703#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5703#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:26,786 INFO L290 TraceCheckUtils]: 36: Hoare triple {5713#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5703#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:26,787 INFO L290 TraceCheckUtils]: 35: Hoare triple {5717#(or (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {5713#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} is VALID [2022-02-21 00:00:26,787 INFO L290 TraceCheckUtils]: 34: Hoare triple {5721#(or (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5717#(or (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} is VALID [2022-02-21 00:00:26,788 INFO L290 TraceCheckUtils]: 33: Hoare triple {5721#(or (and (= (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5721#(or (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:26,789 INFO L290 TraceCheckUtils]: 32: Hoare triple {5728#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5721#(or (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:26,790 INFO L290 TraceCheckUtils]: 31: Hoare triple {5728#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(dll_circular_create_~len#1 > 1); {5728#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:26,791 INFO L290 TraceCheckUtils]: 30: Hoare triple {5735#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5728#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:26,792 INFO L290 TraceCheckUtils]: 29: Hoare triple {5739#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (forall ((v_ArrVal_1402 (Array Int Int)) (v_ArrVal_1399 (Array Int Int))) (= (select (select (store (store |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5735#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} is VALID [2022-02-21 00:00:26,796 INFO L290 TraceCheckUtils]: 28: Hoare triple {5743#(or (forall ((v_ArrVal_1396 Int) (v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store (store (store |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5739#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (forall ((v_ArrVal_1402 (Array Int Int)) (v_ArrVal_1399 (Array Int Int))) (= (select (select (store (store |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} is VALID [2022-02-21 00:00:26,798 INFO L290 TraceCheckUtils]: 27: Hoare triple {5747#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (or (forall ((v_arrayElimCell_42 Int)) (= (select |#valid| v_arrayElimCell_42) 1)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5743#(or (forall ((v_ArrVal_1396 Int) (v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store (store (store |#memory_$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 00:00:26,799 INFO L290 TraceCheckUtils]: 26: Hoare triple {5747#(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); {5747#(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 00:00:26,800 INFO L290 TraceCheckUtils]: 25: Hoare triple {5754#(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; {5747#(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 00:00:26,802 INFO L290 TraceCheckUtils]: 24: Hoare triple {5758#(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; {5754#(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 00:00:26,803 INFO L290 TraceCheckUtils]: 23: Hoare triple {5758#(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 {5758#(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 00:00:26,804 INFO L290 TraceCheckUtils]: 22: Hoare triple {5758#(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 {5758#(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 00:00:26,810 INFO L290 TraceCheckUtils]: 21: Hoare triple {5758#(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 {5758#(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 00:00:26,811 INFO L290 TraceCheckUtils]: 20: Hoare triple {5758#(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); {5758#(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 00:00:26,812 INFO L290 TraceCheckUtils]: 19: Hoare triple {5533#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; {5758#(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 00:00:26,812 INFO L290 TraceCheckUtils]: 18: Hoare triple {5533#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; {5533#true} is VALID [2022-02-21 00:00:26,812 INFO L290 TraceCheckUtils]: 17: Hoare triple {5533#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5533#true} is VALID [2022-02-21 00:00:26,812 INFO L290 TraceCheckUtils]: 16: Hoare triple {5533#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 15: Hoare triple {5533#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 14: Hoare triple {5533#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 13: Hoare triple {5533#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 12: Hoare triple {5533#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 11: Hoare triple {5533#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 10: Hoare triple {5533#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 9: Hoare triple {5533#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 8: Hoare triple {5533#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 7: Hoare triple {5533#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 6: Hoare triple {5533#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 5: Hoare triple {5533#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 4: Hoare triple {5533#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 3: Hoare triple {5533#true} SUMMARY for call write~$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 {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 2: Hoare triple {5533#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 1: Hoare triple {5533#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {5533#true} is VALID [2022-02-21 00:00:26,813 INFO L290 TraceCheckUtils]: 0: Hoare triple {5533#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); {5533#true} is VALID [2022-02-21 00:00:26,817 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 00:00:26,817 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408868067] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:26,817 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:26,817 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 42 [2022-02-21 00:00:26,817 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437613014] [2022-02-21 00:00:26,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:26,817 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 00:00:26,818 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:26,818 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 00:00:26,915 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 00:00:26,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-21 00:00:26,916 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:26,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-21 00:00:26,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1643, Unknown=7, NotChecked=0, Total=1806 [2022-02-21 00:00:26,917 INFO L87 Difference]: Start difference. First operand 70 states and 74 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 00:00:28,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:28,616 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2022-02-21 00:00:28,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-21 00:00:28,616 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 00:00:28,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:28,616 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 00:00:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 73 transitions. [2022-02-21 00:00:28,617 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 00:00:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 73 transitions. [2022-02-21 00:00:28,617 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 73 transitions. [2022-02-21 00:00:28,677 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 00:00:28,678 INFO L225 Difference]: With dead ends: 73 [2022-02-21 00:00:28,678 INFO L226 Difference]: Without dead ends: 73 [2022-02-21 00:00:28,679 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 65 SyntacticMatches, 8 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 913 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=361, Invalid=2494, Unknown=7, NotChecked=0, Total=2862 [2022-02-21 00:00:28,679 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 29 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 311 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:28,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 482 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 402 Invalid, 0 Unknown, 311 Unchecked, 0.4s Time] [2022-02-21 00:00:28,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-02-21 00:00:28,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-02-21 00:00:28,680 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:28,680 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand has 73 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 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 00:00:28,680 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand has 73 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 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 00:00:28,680 INFO L87 Difference]: Start difference. First operand 73 states. Second operand has 73 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 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 00:00:28,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:28,681 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2022-02-21 00:00:28,681 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2022-02-21 00:00:28,681 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:28,681 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:28,681 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 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 73 states. [2022-02-21 00:00:28,681 INFO L87 Difference]: Start difference. First operand has 73 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 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 73 states. [2022-02-21 00:00:28,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:28,682 INFO L93 Difference]: Finished difference Result 73 states and 79 transitions. [2022-02-21 00:00:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2022-02-21 00:00:28,682 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:28,682 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:28,682 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:28,682 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:28,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.253968253968254) internal successors, (79), 72 states have internal predecessors, (79), 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 00:00:28,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2022-02-21 00:00:28,683 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 43 [2022-02-21 00:00:28,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:28,683 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2022-02-21 00:00:28,683 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 00:00:28,683 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2022-02-21 00:00:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:28,684 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:28,684 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 00:00:28,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:28,891 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 00:00:28,891 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:28,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:28,892 INFO L85 PathProgramCache]: Analyzing trace with hash -56889648, now seen corresponding path program 1 times [2022-02-21 00:00:28,892 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:28,892 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114622514] [2022-02-21 00:00:28,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:29,367 INFO L290 TraceCheckUtils]: 0: Hoare triple {6154#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); {6154#true} is VALID [2022-02-21 00:00:29,368 INFO L290 TraceCheckUtils]: 1: Hoare triple {6154#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:29,368 INFO L290 TraceCheckUtils]: 2: Hoare triple {6156#(= |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); {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:29,368 INFO L290 TraceCheckUtils]: 3: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:29,368 INFO L290 TraceCheckUtils]: 4: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:29,369 INFO L290 TraceCheckUtils]: 5: Hoare triple {6156#(= |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 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:29,369 INFO L290 TraceCheckUtils]: 6: Hoare triple {6156#(= |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; {6157#(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 00:00:29,369 INFO L290 TraceCheckUtils]: 7: Hoare triple {6157#(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; {6157#(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 00:00:29,370 INFO L290 TraceCheckUtils]: 8: Hoare triple {6157#(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); {6157#(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 00:00:29,370 INFO L290 TraceCheckUtils]: 9: Hoare triple {6157#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6157#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:29,371 INFO L290 TraceCheckUtils]: 10: Hoare triple {6157#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6157#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:29,371 INFO L290 TraceCheckUtils]: 11: Hoare triple {6157#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$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 {6158#(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 00:00:29,372 INFO L290 TraceCheckUtils]: 12: Hoare triple {6158#(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; {6158#(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 00:00:29,372 INFO L290 TraceCheckUtils]: 13: Hoare triple {6158#(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; {6158#(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 00:00:29,373 INFO L290 TraceCheckUtils]: 14: Hoare triple {6158#(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); {6158#(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 00:00:29,373 INFO L290 TraceCheckUtils]: 15: Hoare triple {6158#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6158#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,374 INFO L290 TraceCheckUtils]: 16: Hoare triple {6158#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6158#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,374 INFO L290 TraceCheckUtils]: 17: Hoare triple {6158#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {6158#(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 00:00:29,375 INFO L290 TraceCheckUtils]: 18: Hoare triple {6158#(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; {6158#(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 00:00:29,375 INFO L290 TraceCheckUtils]: 19: Hoare triple {6158#(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; {6159#(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 00:00:29,376 INFO L290 TraceCheckUtils]: 20: Hoare triple {6159#(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); {6159#(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 00:00:29,376 INFO L290 TraceCheckUtils]: 21: Hoare triple {6159#(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 {6160#(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 00:00:29,377 INFO L290 TraceCheckUtils]: 22: Hoare triple {6160#(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 {6160#(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 00:00:29,377 INFO L290 TraceCheckUtils]: 23: Hoare triple {6160#(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 {6160#(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 00:00:29,378 INFO L290 TraceCheckUtils]: 24: Hoare triple {6160#(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; {6161#(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 00:00:29,379 INFO L290 TraceCheckUtils]: 25: Hoare triple {6161#(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; {6162#(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 00:00:29,379 INFO L290 TraceCheckUtils]: 26: Hoare triple {6162#(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); {6162#(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 00:00:29,380 INFO L290 TraceCheckUtils]: 27: Hoare triple {6162#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6163#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,381 INFO L290 TraceCheckUtils]: 28: Hoare triple {6163#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6163#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,382 INFO L290 TraceCheckUtils]: 29: Hoare triple {6163#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6164#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,382 INFO L290 TraceCheckUtils]: 30: Hoare triple {6164#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6165#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:29,383 INFO L290 TraceCheckUtils]: 31: Hoare triple {6165#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {6165#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:29,384 INFO L290 TraceCheckUtils]: 32: Hoare triple {6165#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6166#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,384 INFO L290 TraceCheckUtils]: 33: Hoare triple {6166#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6167#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:29,385 INFO L290 TraceCheckUtils]: 34: Hoare triple {6167#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6168#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 12) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:29,385 INFO L290 TraceCheckUtils]: 35: Hoare triple {6168#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 12) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:29,386 INFO L290 TraceCheckUtils]: 36: Hoare triple {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:29,386 INFO L290 TraceCheckUtils]: 37: Hoare triple {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:29,387 INFO L290 TraceCheckUtils]: 38: Hoare triple {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6169#(and (= (select |#length| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:29,387 INFO L290 TraceCheckUtils]: 39: Hoare triple {6169#(and (= (select |#length| (select (select |#memory_$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 {6170#(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 00:00:29,388 INFO L290 TraceCheckUtils]: 40: Hoare triple {6170#(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; {6171#(and (= 12 (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,388 INFO L290 TraceCheckUtils]: 41: Hoare triple {6171#(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); {6171#(and (= 12 (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:29,389 INFO L290 TraceCheckUtils]: 42: Hoare triple {6171#(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); {6155#false} is VALID [2022-02-21 00:00:29,389 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 00:00:29,389 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:29,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114622514] [2022-02-21 00:00:29,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114622514] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:29,389 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023005584] [2022-02-21 00:00:29,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:29,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:29,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:29,390 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 00:00:29,391 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 00:00:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:29,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 75 conjunts are in the unsatisfiable core [2022-02-21 00:00:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:29,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:29,624 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 00:00:29,736 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:29,736 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 00:00:29,782 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 00:00:29,791 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 00:00:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:29,848 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 00:00:29,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:29,858 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 00:00:29,894 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:29,895 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 00:00:29,900 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 00:00:30,069 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:30,078 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-21 00:00:30,078 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 00:00:30,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:30,107 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-21 00:00:30,107 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 00:00:30,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:30,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:30,560 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:30,563 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:30,563 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 00:00:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:30,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:30,604 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:30,605 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:30,605 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 00:00:32,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:32,067 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:32,067 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 00:00:32,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:32,107 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-21 00:00:32,108 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 00:00:32,483 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:32,494 INFO L356 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2022-02-21 00:00:32,494 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 00:00:32,522 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:32,527 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:32,527 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 00:00:32,875 INFO L290 TraceCheckUtils]: 0: Hoare triple {6154#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); {6154#true} is VALID [2022-02-21 00:00:32,876 INFO L290 TraceCheckUtils]: 1: Hoare triple {6154#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,876 INFO L290 TraceCheckUtils]: 2: Hoare triple {6156#(= |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); {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,876 INFO L290 TraceCheckUtils]: 3: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,876 INFO L290 TraceCheckUtils]: 4: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,877 INFO L290 TraceCheckUtils]: 5: Hoare triple {6156#(= |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 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,877 INFO L290 TraceCheckUtils]: 6: Hoare triple {6156#(= |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; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,877 INFO L290 TraceCheckUtils]: 7: Hoare triple {6156#(= |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; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,877 INFO L290 TraceCheckUtils]: 8: Hoare triple {6156#(= |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); {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,878 INFO L290 TraceCheckUtils]: 9: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,878 INFO L290 TraceCheckUtils]: 10: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,878 INFO L290 TraceCheckUtils]: 11: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,878 INFO L290 TraceCheckUtils]: 12: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,879 INFO L290 TraceCheckUtils]: 13: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,879 INFO L290 TraceCheckUtils]: 14: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,879 INFO L290 TraceCheckUtils]: 15: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,879 INFO L290 TraceCheckUtils]: 16: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,880 INFO L290 TraceCheckUtils]: 17: Hoare triple {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,880 INFO L290 TraceCheckUtils]: 18: Hoare triple {6156#(= |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; {6156#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:32,881 INFO L290 TraceCheckUtils]: 19: Hoare triple {6156#(= |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; {6232#(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 00:00:32,881 INFO L290 TraceCheckUtils]: 20: Hoare triple {6232#(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); {6232#(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 00:00:32,881 INFO L290 TraceCheckUtils]: 21: Hoare triple {6232#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6232#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:32,882 INFO L290 TraceCheckUtils]: 22: Hoare triple {6232#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6232#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:32,882 INFO L290 TraceCheckUtils]: 23: Hoare triple {6232#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {6232#(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 00:00:32,883 INFO L290 TraceCheckUtils]: 24: Hoare triple {6232#(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; {6248#(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 00:00:32,883 INFO L290 TraceCheckUtils]: 25: Hoare triple {6248#(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; {6252#(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 00:00:32,884 INFO L290 TraceCheckUtils]: 26: Hoare triple {6252#(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); {6252#(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 00:00:32,884 INFO L290 TraceCheckUtils]: 27: Hoare triple {6252#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6259#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:32,885 INFO L290 TraceCheckUtils]: 28: Hoare triple {6259#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6259#(and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:32,886 INFO L290 TraceCheckUtils]: 29: Hoare triple {6259#(and (= (select (select |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6266#(and (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:32,887 INFO L290 TraceCheckUtils]: 30: Hoare triple {6266#(and (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6270#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:32,887 INFO L290 TraceCheckUtils]: 31: Hoare triple {6270#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} assume !(dll_circular_create_~len#1 > 1); {6270#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:32,889 INFO L290 TraceCheckUtils]: 32: Hoare triple {6270#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6277#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:32,890 INFO L290 TraceCheckUtils]: 33: Hoare triple {6277#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6277#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:32,891 INFO L290 TraceCheckUtils]: 34: Hoare triple {6277#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6284#(and (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)))))} is VALID [2022-02-21 00:00:32,893 INFO L290 TraceCheckUtils]: 35: Hoare triple {6284#(and (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)))))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:32,894 INFO L290 TraceCheckUtils]: 36: Hoare triple {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:32,895 INFO L290 TraceCheckUtils]: 37: Hoare triple {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:32,897 INFO L290 TraceCheckUtils]: 38: Hoare triple {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:32,898 INFO L290 TraceCheckUtils]: 39: Hoare triple {6288#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$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 {6301#(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 00:00:32,905 INFO L290 TraceCheckUtils]: 40: Hoare triple {6301#(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; {6305#(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 00:00:32,906 INFO L290 TraceCheckUtils]: 41: Hoare triple {6305#(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); {6309#(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 00:00:32,906 INFO L290 TraceCheckUtils]: 42: Hoare triple {6309#(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); {6155#false} is VALID [2022-02-21 00:00:32,907 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 00:00:32,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:33,743 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:33,743 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 00:00:34,108 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:34,113 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:34,114 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 00:00:34,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:34,123 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:34,124 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 00:00:34,134 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 00:00:34,144 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 00:00:34,151 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 00:00:34,158 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 00:00:34,504 INFO L290 TraceCheckUtils]: 42: Hoare triple {6313#(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); {6155#false} is VALID [2022-02-21 00:00:34,505 INFO L290 TraceCheckUtils]: 41: Hoare triple {6317#(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); {6313#(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 00:00:34,505 INFO L290 TraceCheckUtils]: 40: Hoare triple {6321#(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; {6317#(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 00:00:34,506 INFO L290 TraceCheckUtils]: 39: Hoare triple {6325#(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$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {6321#(or (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (and (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem8#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|))))} is VALID [2022-02-21 00:00:34,507 INFO L290 TraceCheckUtils]: 38: Hoare triple {6325#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6325#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:34,508 INFO L290 TraceCheckUtils]: 37: Hoare triple {6325#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6325#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:34,508 INFO L290 TraceCheckUtils]: 36: Hoare triple {6335#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6325#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:34,509 INFO L290 TraceCheckUtils]: 35: Hoare triple {6339#(or (and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {6335#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} is VALID [2022-02-21 00:00:34,510 INFO L290 TraceCheckUtils]: 34: Hoare triple {6343#(or (and (<= (+ (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6339#(or (and (<= (+ 4 (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} is VALID [2022-02-21 00:00:34,511 INFO L290 TraceCheckUtils]: 33: Hoare triple {6343#(or (and (<= (+ (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6343#(or (and (<= (+ (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:34,512 INFO L290 TraceCheckUtils]: 32: Hoare triple {6343#(or (and (<= (+ (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6343#(or (and (<= (+ (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:34,513 INFO L290 TraceCheckUtils]: 31: Hoare triple {6343#(or (and (<= (+ (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(dll_circular_create_~len#1 > 1); {6343#(or (and (<= (+ (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:34,517 INFO L290 TraceCheckUtils]: 30: Hoare triple {6356#(or (and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6343#(or (and (<= (+ (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:34,518 INFO L290 TraceCheckUtils]: 29: Hoare triple {6360#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int))) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6356#(or (and (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:34,521 WARN L290 TraceCheckUtils]: 28: Hoare triple {6364#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1653 Int) (v_ArrVal_1654 Int)) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1654)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6360#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int))) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))))))} is UNKNOWN [2022-02-21 00:00:34,522 INFO L290 TraceCheckUtils]: 27: Hoare triple {6368#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6364#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1653 Int) (v_ArrVal_1654 Int)) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store |#memory_$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 00:00:34,523 INFO L290 TraceCheckUtils]: 26: Hoare triple {6368#(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); {6368#(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 00:00:34,523 INFO L290 TraceCheckUtils]: 25: Hoare triple {6375#(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; {6368#(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 00:00:34,524 INFO L290 TraceCheckUtils]: 24: Hoare triple {6379#(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; {6375#(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 00:00:34,524 INFO L290 TraceCheckUtils]: 23: Hoare triple {6379#(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 {6379#(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 00:00:34,525 INFO L290 TraceCheckUtils]: 22: Hoare triple {6379#(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 {6379#(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 00:00:34,525 INFO L290 TraceCheckUtils]: 21: Hoare triple {6379#(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 {6379#(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 00:00:34,526 INFO L290 TraceCheckUtils]: 20: Hoare triple {6379#(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); {6379#(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 00:00:34,526 INFO L290 TraceCheckUtils]: 19: Hoare triple {6154#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; {6379#(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 00:00:34,526 INFO L290 TraceCheckUtils]: 18: Hoare triple {6154#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; {6154#true} is VALID [2022-02-21 00:00:34,526 INFO L290 TraceCheckUtils]: 17: Hoare triple {6154#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 16: Hoare triple {6154#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 15: Hoare triple {6154#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {6154#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 13: Hoare triple {6154#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 12: Hoare triple {6154#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 11: Hoare triple {6154#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 10: Hoare triple {6154#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 9: Hoare triple {6154#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 8: Hoare triple {6154#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 7: Hoare triple {6154#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 6: Hoare triple {6154#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 5: Hoare triple {6154#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 4: Hoare triple {6154#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 3: Hoare triple {6154#true} SUMMARY for call write~$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 {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 2: Hoare triple {6154#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 1: Hoare triple {6154#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {6154#true} is VALID [2022-02-21 00:00:34,527 INFO L290 TraceCheckUtils]: 0: Hoare triple {6154#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); {6154#true} is VALID [2022-02-21 00:00:34,529 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 00:00:34,529 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023005584] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:34,529 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:34,529 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 42 [2022-02-21 00:00:34,529 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550337105] [2022-02-21 00:00:34,529 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:34,529 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 00:00:34,530 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:34,530 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 00:00:34,622 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 00:00:34,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-21 00:00:34,622 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:34,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-21 00:00:34,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1660, Unknown=4, NotChecked=0, Total=1806 [2022-02-21 00:00:34,623 INFO L87 Difference]: Start difference. First operand 73 states and 79 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 00:00:36,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:36,536 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:36,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-21 00:00:36,536 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 00:00:36,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:36,536 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 00:00:36,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 82 transitions. [2022-02-21 00:00:36,537 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 00:00:36,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 82 transitions. [2022-02-21 00:00:36,537 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 82 transitions. [2022-02-21 00:00:36,611 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 00:00:36,612 INFO L225 Difference]: With dead ends: 81 [2022-02-21 00:00:36,612 INFO L226 Difference]: Without dead ends: 81 [2022-02-21 00:00:36,613 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=313, Invalid=2875, Unknown=4, NotChecked=0, Total=3192 [2022-02-21 00:00:36,613 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 96 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 240 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:36,613 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 346 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 494 Invalid, 0 Unknown, 240 Unchecked, 0.4s Time] [2022-02-21 00:00:36,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-02-21 00:00:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 75. [2022-02-21 00:00:36,614 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:36,614 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 75 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 74 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 00:00:36,614 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 75 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 74 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 00:00:36,614 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 75 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 74 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 00:00:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:36,615 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:36,615 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:36,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:36,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:36,616 INFO L74 IsIncluded]: Start isIncluded. First operand has 75 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 74 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 81 states. [2022-02-21 00:00:36,616 INFO L87 Difference]: Start difference. First operand has 75 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 74 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 81 states. [2022-02-21 00:00:36,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:36,617 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:36,617 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:36,617 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:36,617 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:36,617 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 66 states have (on average 1.2272727272727273) internal successors, (81), 74 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 00:00:36,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2022-02-21 00:00:36,618 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 43 [2022-02-21 00:00:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:36,618 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2022-02-21 00:00:36,619 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 00:00:36,619 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2022-02-21 00:00:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-21 00:00:36,619 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:36,619 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, 1, 1, 1] [2022-02-21 00:00:36,652 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 00:00:36,835 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 00:00:36,835 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1711479191, now seen corresponding path program 1 times [2022-02-21 00:00:36,836 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:36,836 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467081534] [2022-02-21 00:00:36,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:37,055 INFO L290 TraceCheckUtils]: 0: Hoare triple {6803#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); {6803#true} is VALID [2022-02-21 00:00:37,056 INFO L290 TraceCheckUtils]: 1: Hoare triple {6803#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {6805#(= |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); {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,056 INFO L290 TraceCheckUtils]: 3: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,056 INFO L290 TraceCheckUtils]: 4: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,057 INFO L290 TraceCheckUtils]: 5: Hoare triple {6805#(= |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 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,057 INFO L290 TraceCheckUtils]: 6: Hoare triple {6805#(= |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; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,057 INFO L290 TraceCheckUtils]: 7: Hoare triple {6805#(= |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; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,057 INFO L290 TraceCheckUtils]: 8: Hoare triple {6805#(= |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); {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,058 INFO L290 TraceCheckUtils]: 9: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,058 INFO L290 TraceCheckUtils]: 10: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,058 INFO L290 TraceCheckUtils]: 11: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,058 INFO L290 TraceCheckUtils]: 12: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,059 INFO L290 TraceCheckUtils]: 13: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,059 INFO L290 TraceCheckUtils]: 14: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,059 INFO L290 TraceCheckUtils]: 15: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,059 INFO L290 TraceCheckUtils]: 16: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,060 INFO L290 TraceCheckUtils]: 17: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,060 INFO L290 TraceCheckUtils]: 18: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,060 INFO L290 TraceCheckUtils]: 19: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,060 INFO L290 TraceCheckUtils]: 20: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,061 INFO L290 TraceCheckUtils]: 21: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,061 INFO L290 TraceCheckUtils]: 22: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,061 INFO L290 TraceCheckUtils]: 23: Hoare triple {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,061 INFO L290 TraceCheckUtils]: 24: Hoare triple {6805#(= |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; {6805#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:37,062 INFO L290 TraceCheckUtils]: 25: Hoare triple {6805#(= |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; {6806#(and (= |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 00:00:37,079 INFO L290 TraceCheckUtils]: 26: Hoare triple {6806#(and (= |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); {6806#(and (= |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 00:00:37,080 INFO L290 TraceCheckUtils]: 27: Hoare triple {6806#(and (= |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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6806#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,080 INFO L290 TraceCheckUtils]: 28: Hoare triple {6806#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6806#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,081 INFO L290 TraceCheckUtils]: 29: Hoare triple {6806#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6806#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,081 INFO L290 TraceCheckUtils]: 30: Hoare triple {6806#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6807#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,082 INFO L290 TraceCheckUtils]: 31: Hoare triple {6807#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(dll_circular_create_~len#1 > 1); {6807#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,082 INFO L290 TraceCheckUtils]: 32: Hoare triple {6807#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6808#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,083 INFO L290 TraceCheckUtils]: 33: Hoare triple {6808#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6809#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 1))} is VALID [2022-02-21 00:00:37,084 INFO L290 TraceCheckUtils]: 34: Hoare triple {6809#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 1))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6810#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:37,084 INFO L290 TraceCheckUtils]: 35: Hoare triple {6810#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {6811#(and (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 8)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:37,085 INFO L290 TraceCheckUtils]: 36: Hoare triple {6811#(and (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 8)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6811#(and (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 8)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:37,085 INFO L290 TraceCheckUtils]: 37: Hoare triple {6811#(and (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 8)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6811#(and (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 8)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:37,086 INFO L290 TraceCheckUtils]: 38: Hoare triple {6811#(and (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 8)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6812#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:37,086 INFO L290 TraceCheckUtils]: 39: Hoare triple {6812#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {6813#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:37,088 INFO L290 TraceCheckUtils]: 40: Hoare triple {6813#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {6814#(and (or (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) 1) (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))))} is VALID [2022-02-21 00:00:37,088 INFO L290 TraceCheckUtils]: 41: Hoare triple {6814#(and (or (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) 1) (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))))} assume !(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {6815#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:37,089 INFO L290 TraceCheckUtils]: 42: Hoare triple {6815#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~ptr~0#1.base, 8 + main_~ptr~0#1.offset, 4); srcloc: L605-4 {6816#(= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1)} is VALID [2022-02-21 00:00:37,089 INFO L290 TraceCheckUtils]: 43: Hoare triple {6816#(= (select |#valid| |ULTIMATE.start_main_#t~mem10#1.base|) 1)} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_~head~1#1.base, main_~head~1#1.offset := 0, 0; {6817#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:37,089 INFO L290 TraceCheckUtils]: 44: Hoare triple {6817#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} main_#t~post11#1 := main_~data_new~0#1;main_~data_new~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; {6817#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:37,090 INFO L290 TraceCheckUtils]: 45: Hoare triple {6817#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {6804#false} is VALID [2022-02-21 00:00:37,090 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 00:00:37,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:37,090 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467081534] [2022-02-21 00:00:37,090 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467081534] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:37,092 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:37,092 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-02-21 00:00:37,094 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753854933] [2022-02-21 00:00:37,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:37,095 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 46 [2022-02-21 00:00:37,095 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:37,096 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 00:00:37,119 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:37,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-21 00:00:37,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:37,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-21 00:00:37,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-02-21 00:00:37,120 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 00:00:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:38,031 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2022-02-21 00:00:38,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-21 00:00:38,031 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 46 [2022-02-21 00:00:38,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 00:00:38,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 101 transitions. [2022-02-21 00:00:38,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 00:00:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 101 transitions. [2022-02-21 00:00:38,033 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 101 transitions. [2022-02-21 00:00:38,108 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:38,109 INFO L225 Difference]: With dead ends: 114 [2022-02-21 00:00:38,109 INFO L226 Difference]: Without dead ends: 114 [2022-02-21 00:00:38,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=218, Invalid=538, Unknown=0, NotChecked=0, Total=756 [2022-02-21 00:00:38,109 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 346 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:38,110 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 119 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-21 00:00:38,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-02-21 00:00:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 79. [2022-02-21 00:00:38,111 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:38,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 114 states. Second operand has 79 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 78 states have internal predecessors, (86), 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 00:00:38,111 INFO L74 IsIncluded]: Start isIncluded. First operand 114 states. Second operand has 79 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 78 states have internal predecessors, (86), 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 00:00:38,111 INFO L87 Difference]: Start difference. First operand 114 states. Second operand has 79 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 78 states have internal predecessors, (86), 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 00:00:38,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:38,112 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2022-02-21 00:00:38,112 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2022-02-21 00:00:38,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:38,113 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:38,113 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 78 states have internal predecessors, (86), 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 114 states. [2022-02-21 00:00:38,113 INFO L87 Difference]: Start difference. First operand has 79 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 78 states have internal predecessors, (86), 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 114 states. [2022-02-21 00:00:38,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:38,114 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2022-02-21 00:00:38,114 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2022-02-21 00:00:38,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:38,115 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:38,115 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:38,115 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:38,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 70 states have (on average 1.2285714285714286) internal successors, (86), 78 states have internal predecessors, (86), 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 00:00:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2022-02-21 00:00:38,116 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 46 [2022-02-21 00:00:38,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:38,116 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2022-02-21 00:00:38,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 15 states have internal predecessors, (34), 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 00:00:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2022-02-21 00:00:38,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-21 00:00:38,116 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:38,116 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, 1, 1, 1] [2022-02-21 00:00:38,117 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-02-21 00:00:38,117 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr25REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:38,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:38,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1711479192, now seen corresponding path program 1 times [2022-02-21 00:00:38,117 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:38,117 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088303464] [2022-02-21 00:00:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:38,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:38,441 INFO L290 TraceCheckUtils]: 0: Hoare triple {7267#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); {7267#true} is VALID [2022-02-21 00:00:38,441 INFO L290 TraceCheckUtils]: 1: Hoare triple {7267#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:38,441 INFO L290 TraceCheckUtils]: 2: Hoare triple {7269#(= |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); {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:38,442 INFO L290 TraceCheckUtils]: 3: Hoare triple {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:38,442 INFO L290 TraceCheckUtils]: 4: Hoare triple {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$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 {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:38,442 INFO L290 TraceCheckUtils]: 5: Hoare triple {7269#(= |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 {7269#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:38,443 INFO L290 TraceCheckUtils]: 6: Hoare triple {7269#(= |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; {7270#(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 00:00:38,443 INFO L290 TraceCheckUtils]: 7: Hoare triple {7270#(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; {7270#(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 00:00:38,444 INFO L290 TraceCheckUtils]: 8: Hoare triple {7270#(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); {7270#(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 00:00:38,444 INFO L290 TraceCheckUtils]: 9: Hoare triple {7270#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7270#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:38,445 INFO L290 TraceCheckUtils]: 10: Hoare triple {7270#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7270#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:38,445 INFO L290 TraceCheckUtils]: 11: Hoare triple {7270#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$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 {7271#(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 00:00:38,446 INFO L290 TraceCheckUtils]: 12: Hoare triple {7271#(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; {7271#(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 00:00:38,447 INFO L290 TraceCheckUtils]: 13: Hoare triple {7271#(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; {7271#(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 00:00:38,447 INFO L290 TraceCheckUtils]: 14: Hoare triple {7271#(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); {7271#(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 00:00:38,448 INFO L290 TraceCheckUtils]: 15: Hoare triple {7271#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7271#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,448 INFO L290 TraceCheckUtils]: 16: Hoare triple {7271#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7271#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,449 INFO L290 TraceCheckUtils]: 17: Hoare triple {7271#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {7271#(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 00:00:38,449 INFO L290 TraceCheckUtils]: 18: Hoare triple {7271#(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; {7271#(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 00:00:38,450 INFO L290 TraceCheckUtils]: 19: Hoare triple {7271#(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; {7272#(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 00:00:38,450 INFO L290 TraceCheckUtils]: 20: Hoare triple {7272#(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); {7272#(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 00:00:38,451 INFO L290 TraceCheckUtils]: 21: Hoare triple {7272#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7273#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,451 INFO L290 TraceCheckUtils]: 22: Hoare triple {7273#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7273#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,452 INFO L290 TraceCheckUtils]: 23: Hoare triple {7273#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {7273#(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 00:00:38,452 INFO L290 TraceCheckUtils]: 24: Hoare triple {7273#(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; {7274#(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 00:00:38,453 INFO L290 TraceCheckUtils]: 25: Hoare triple {7274#(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; {7275#(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 00:00:38,453 INFO L290 TraceCheckUtils]: 26: Hoare triple {7275#(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); {7275#(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 00:00:38,454 INFO L290 TraceCheckUtils]: 27: Hoare triple {7275#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7276#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,455 INFO L290 TraceCheckUtils]: 28: Hoare triple {7276#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7276#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,456 INFO L290 TraceCheckUtils]: 29: Hoare triple {7276#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7277#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,456 INFO L290 TraceCheckUtils]: 30: Hoare triple {7277#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7278#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:38,457 INFO L290 TraceCheckUtils]: 31: Hoare triple {7278#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {7278#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:38,458 INFO L290 TraceCheckUtils]: 32: Hoare triple {7278#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {7279#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,458 INFO L290 TraceCheckUtils]: 33: Hoare triple {7279#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {7280#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4))))} is VALID [2022-02-21 00:00:38,459 INFO L290 TraceCheckUtils]: 34: Hoare triple {7280#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4))))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {7281#(and (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:38,459 INFO L290 TraceCheckUtils]: 35: Hoare triple {7281#(and (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,460 INFO L290 TraceCheckUtils]: 36: Hoare triple {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,460 INFO L290 TraceCheckUtils]: 37: Hoare triple {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,461 INFO L290 TraceCheckUtils]: 38: Hoare triple {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:38,461 INFO L290 TraceCheckUtils]: 39: Hoare triple {7282#(and (not (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {7283#(not (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|))} is VALID [2022-02-21 00:00:38,462 INFO L290 TraceCheckUtils]: 40: Hoare triple {7283#(not (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {7284#(not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:38,462 INFO L290 TraceCheckUtils]: 41: Hoare triple {7284#(not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {7268#false} is VALID [2022-02-21 00:00:38,462 INFO L290 TraceCheckUtils]: 42: Hoare triple {7268#false} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~ptr~0#1.base, 8 + main_~ptr~0#1.offset, 4); srcloc: L605-4 {7268#false} is VALID [2022-02-21 00:00:38,462 INFO L290 TraceCheckUtils]: 43: Hoare triple {7268#false} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_~head~1#1.base, main_~head~1#1.offset := 0, 0; {7268#false} is VALID [2022-02-21 00:00:38,462 INFO L290 TraceCheckUtils]: 44: Hoare triple {7268#false} main_#t~post11#1 := main_~data_new~0#1;main_~data_new~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; {7268#false} is VALID [2022-02-21 00:00:38,462 INFO L290 TraceCheckUtils]: 45: Hoare triple {7268#false} assume !(4 + main_~ptr~0#1.offset <= #length[main_~ptr~0#1.base] && 0 <= main_~ptr~0#1.offset); {7268#false} is VALID [2022-02-21 00:00:38,463 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-21 00:00:38,463 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:38,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088303464] [2022-02-21 00:00:38,463 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088303464] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:38,463 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788331754] [2022-02-21 00:00:38,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:38,468 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 00:00:38,499 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 00:00:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:38,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 42 conjunts are in the unsatisfiable core [2022-02-21 00:00:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:38,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:38,854 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:38,863 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:39,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:39,033 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 40 treesize of output 33 [2022-02-21 00:00:39,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:39,053 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 31 treesize of output 30 [2022-02-21 00:00:39,158 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 29 treesize of output 17 [2022-02-21 00:00:39,172 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 32 treesize of output 14 [2022-02-21 00:00:39,223 INFO L290 TraceCheckUtils]: 0: Hoare triple {7267#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); {7267#true} is VALID [2022-02-21 00:00:39,224 INFO L290 TraceCheckUtils]: 1: Hoare triple {7267#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,224 INFO L290 TraceCheckUtils]: 2: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,224 INFO L290 TraceCheckUtils]: 3: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,225 INFO L290 TraceCheckUtils]: 4: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,225 INFO L290 TraceCheckUtils]: 5: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} 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 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,225 INFO L290 TraceCheckUtils]: 6: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} 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; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,225 INFO L290 TraceCheckUtils]: 7: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~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; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,226 INFO L290 TraceCheckUtils]: 8: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,226 INFO L290 TraceCheckUtils]: 9: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,227 INFO L290 TraceCheckUtils]: 10: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,227 INFO L290 TraceCheckUtils]: 11: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,227 INFO L290 TraceCheckUtils]: 12: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,227 INFO L290 TraceCheckUtils]: 13: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,228 INFO L290 TraceCheckUtils]: 14: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,228 INFO L290 TraceCheckUtils]: 15: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,228 INFO L290 TraceCheckUtils]: 16: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,228 INFO L290 TraceCheckUtils]: 17: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,229 INFO L290 TraceCheckUtils]: 18: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,229 INFO L290 TraceCheckUtils]: 19: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,229 INFO L290 TraceCheckUtils]: 20: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,229 INFO L290 TraceCheckUtils]: 21: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,230 INFO L290 TraceCheckUtils]: 22: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,230 INFO L290 TraceCheckUtils]: 23: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,230 INFO L290 TraceCheckUtils]: 24: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,230 INFO L290 TraceCheckUtils]: 25: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,231 INFO L290 TraceCheckUtils]: 26: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,231 INFO L290 TraceCheckUtils]: 27: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,231 INFO L290 TraceCheckUtils]: 28: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,231 INFO L290 TraceCheckUtils]: 29: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,232 INFO L290 TraceCheckUtils]: 30: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,232 INFO L290 TraceCheckUtils]: 31: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} assume !(dll_circular_create_~len#1 > 1); {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} is VALID [2022-02-21 00:00:39,232 INFO L290 TraceCheckUtils]: 32: Hoare triple {7291#(<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {7385#(and (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 8) (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|))} is VALID [2022-02-21 00:00:39,244 INFO L290 TraceCheckUtils]: 33: Hoare triple {7385#(and (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 8) (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {7389#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))))} is VALID [2022-02-21 00:00:39,245 INFO L290 TraceCheckUtils]: 34: Hoare triple {7389#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {7393#(and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 8))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 8)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 8))))} is VALID [2022-02-21 00:00:39,245 INFO L290 TraceCheckUtils]: 35: Hoare triple {7393#(and (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 8))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 8)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 8))))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {7397#(and (<= |ULTIMATE.start_main_~ptr~0#1.offset| |ULTIMATE.start_main_~head~1#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:39,246 INFO L290 TraceCheckUtils]: 36: Hoare triple {7397#(and (<= |ULTIMATE.start_main_~ptr~0#1.offset| |ULTIMATE.start_main_~head~1#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7397#(and (<= |ULTIMATE.start_main_~ptr~0#1.offset| |ULTIMATE.start_main_~head~1#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:39,246 INFO L290 TraceCheckUtils]: 37: Hoare triple {7397#(and (<= |ULTIMATE.start_main_~ptr~0#1.offset| |ULTIMATE.start_main_~head~1#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7397#(and (<= |ULTIMATE.start_main_~ptr~0#1.offset| |ULTIMATE.start_main_~head~1#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:39,247 INFO L290 TraceCheckUtils]: 38: Hoare triple {7397#(and (<= |ULTIMATE.start_main_~ptr~0#1.offset| |ULTIMATE.start_main_~head~1#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {7407#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))))} is VALID [2022-02-21 00:00:39,248 INFO L290 TraceCheckUtils]: 39: Hoare triple {7407#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {7407#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))))} is VALID [2022-02-21 00:00:39,248 INFO L290 TraceCheckUtils]: 40: Hoare triple {7407#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {7407#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))))} is VALID [2022-02-21 00:00:39,249 INFO L290 TraceCheckUtils]: 41: Hoare triple {7407#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) (+ |ULTIMATE.start_main_~head~1#1.offset| 8)))))} assume !(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {7417#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8)))))} is VALID [2022-02-21 00:00:39,249 INFO L290 TraceCheckUtils]: 42: Hoare triple {7417#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8)))))} SUMMARY for call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~ptr~0#1.base, 8 + main_~ptr~0#1.offset, 4); srcloc: L605-4 {7421#(and (<= 0 |ULTIMATE.start_main_#t~mem10#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem10#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|)))} is VALID [2022-02-21 00:00:39,250 INFO L290 TraceCheckUtils]: 43: Hoare triple {7421#(and (<= 0 |ULTIMATE.start_main_#t~mem10#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem10#1.offset| 8) (select |#length| |ULTIMATE.start_main_#t~mem10#1.base|)))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem10#1.base, main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;main_~head~1#1.base, main_~head~1#1.offset := 0, 0; {7425#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:39,250 INFO L290 TraceCheckUtils]: 44: Hoare triple {7425#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} main_#t~post11#1 := main_~data_new~0#1;main_~data_new~0#1 := main_#t~post11#1 - 1;havoc main_#t~post11#1; {7425#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:39,251 INFO L290 TraceCheckUtils]: 45: Hoare triple {7425#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 8) (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); {7268#false} is VALID [2022-02-21 00:00:39,251 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-02-21 00:00:39,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-21 00:00:39,251 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788331754] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:39,251 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-21 00:00:39,252 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [18] total 27 [2022-02-21 00:00:39,252 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609133605] [2022-02-21 00:00:39,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:39,252 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 46 [2022-02-21 00:00:39,252 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:39,252 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 00:00:39,276 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 00:00:39,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-02-21 00:00:39,276 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:39,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-02-21 00:00:39,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2022-02-21 00:00:39,277 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 00:00:39,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:39,912 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-02-21 00:00:39,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-21 00:00:39,913 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 46 [2022-02-21 00:00:39,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 00:00:39,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 81 transitions. [2022-02-21 00:00:39,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 00:00:39,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 81 transitions. [2022-02-21 00:00:39,914 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 81 transitions. [2022-02-21 00:00:39,980 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 81 edges. 81 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:39,981 INFO L225 Difference]: With dead ends: 94 [2022-02-21 00:00:39,981 INFO L226 Difference]: Without dead ends: 94 [2022-02-21 00:00:39,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=985, Unknown=0, NotChecked=0, Total=1122 [2022-02-21 00:00:39,982 INFO L933 BasicCegarLoop]: 24 mSDtfsCounter, 161 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:39,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 131 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-21 00:00:39,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-02-21 00:00:39,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 79. [2022-02-21 00:00:39,983 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:39,983 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand has 79 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 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 00:00:39,983 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand has 79 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 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 00:00:39,984 INFO L87 Difference]: Start difference. First operand 94 states. Second operand has 79 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 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 00:00:39,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:39,984 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-02-21 00:00:39,984 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2022-02-21 00:00:39,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:39,985 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:39,985 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 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 00:00:39,985 INFO L87 Difference]: Start difference. First operand has 79 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 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 00:00:39,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:39,986 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2022-02-21 00:00:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2022-02-21 00:00:39,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:39,987 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:39,987 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:39,987 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 70 states have (on average 1.2142857142857142) internal successors, (85), 78 states have internal predecessors, (85), 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 00:00:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 85 transitions. [2022-02-21 00:00:39,988 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 85 transitions. Word has length 46 [2022-02-21 00:00:39,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:39,988 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 85 transitions. [2022-02-21 00:00:39,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.8) internal successors, (28), 11 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 00:00:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2022-02-21 00:00:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-21 00:00:39,989 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:39,989 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, 1] [2022-02-21 00:00:40,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:40,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:40,195 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 28 more)] === [2022-02-21 00:00:40,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:40,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1712591067, now seen corresponding path program 1 times [2022-02-21 00:00:40,196 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:40,196 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146613376] [2022-02-21 00:00:40,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:40,887 INFO L290 TraceCheckUtils]: 0: Hoare triple {7806#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); {7806#true} is VALID [2022-02-21 00:00:40,888 INFO L290 TraceCheckUtils]: 1: Hoare triple {7806#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {7808#(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 00:00:40,888 INFO L290 TraceCheckUtils]: 2: Hoare triple {7808#(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); {7808#(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 00:00:40,889 INFO L290 TraceCheckUtils]: 3: Hoare triple {7808#(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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {7808#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:40,889 INFO L290 TraceCheckUtils]: 4: Hoare triple {7808#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {7808#(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 00:00:40,890 INFO L290 TraceCheckUtils]: 5: Hoare triple {7808#(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 {7808#(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 00:00:40,890 INFO L290 TraceCheckUtils]: 6: Hoare triple {7808#(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; {7809#(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 00:00:40,890 INFO L290 TraceCheckUtils]: 7: Hoare triple {7809#(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; {7809#(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 00:00:40,891 INFO L290 TraceCheckUtils]: 8: Hoare triple {7809#(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); {7809#(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 00:00:40,891 INFO L290 TraceCheckUtils]: 9: Hoare triple {7809#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7809#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:40,892 INFO L290 TraceCheckUtils]: 10: Hoare triple {7809#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7809#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:40,892 INFO L290 TraceCheckUtils]: 11: Hoare triple {7809#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$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 {7810#(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 00:00:40,893 INFO L290 TraceCheckUtils]: 12: Hoare triple {7810#(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; {7810#(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 00:00:40,893 INFO L290 TraceCheckUtils]: 13: Hoare triple {7810#(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; {7810#(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 00:00:40,894 INFO L290 TraceCheckUtils]: 14: Hoare triple {7810#(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); {7810#(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 00:00:40,894 INFO L290 TraceCheckUtils]: 15: Hoare triple {7810#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7811#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:40,895 INFO L290 TraceCheckUtils]: 16: Hoare triple {7811#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7811#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:40,895 INFO L290 TraceCheckUtils]: 17: Hoare triple {7811#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {7811#(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 00:00:40,902 INFO L290 TraceCheckUtils]: 18: Hoare triple {7811#(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; {7812#(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 00:00:40,903 INFO L290 TraceCheckUtils]: 19: Hoare triple {7812#(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; {7813#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= |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 00:00:40,904 INFO L290 TraceCheckUtils]: 20: Hoare triple {7813#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= |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); {7813#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= |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 00:00:40,904 INFO L290 TraceCheckUtils]: 21: Hoare triple {7813#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= |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 {7814#(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|))) (= |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 00:00:40,905 INFO L290 TraceCheckUtils]: 22: Hoare triple {7814#(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|))) (= |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 {7815#(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|) (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|))) (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 00:00:40,906 INFO L290 TraceCheckUtils]: 23: Hoare triple {7815#(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|) (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|))) (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 {7816#(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|) (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|))) (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 00:00:40,907 INFO L290 TraceCheckUtils]: 24: Hoare triple {7816#(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|) (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|))) (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; {7817#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 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 00:00:40,907 INFO L290 TraceCheckUtils]: 25: Hoare triple {7817#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 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; {7818#(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 00:00:40,908 INFO L290 TraceCheckUtils]: 26: Hoare triple {7818#(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); {7818#(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 00:00:40,909 INFO L290 TraceCheckUtils]: 27: Hoare triple {7818#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7819#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:40,910 INFO L290 TraceCheckUtils]: 28: Hoare triple {7819#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7819#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:40,911 INFO L290 TraceCheckUtils]: 29: Hoare triple {7819#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7820#(and (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:40,912 INFO L290 TraceCheckUtils]: 30: Hoare triple {7820#(and (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7821#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:40,912 INFO L290 TraceCheckUtils]: 31: Hoare triple {7821#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {7821#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:40,913 INFO L290 TraceCheckUtils]: 32: Hoare triple {7821#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {7822#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:40,914 INFO L290 TraceCheckUtils]: 33: Hoare triple {7822#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {7823#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:40,914 INFO L290 TraceCheckUtils]: 34: Hoare triple {7823#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {7824#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) |ULTIMATE.start_dll_circular_create_#res#1.offset|) |ULTIMATE.start_main_~data_init~0#1|))} is VALID [2022-02-21 00:00:40,915 INFO L290 TraceCheckUtils]: 35: Hoare triple {7824#(and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) |ULTIMATE.start_dll_circular_create_#res#1.offset|) |ULTIMATE.start_main_~data_init~0#1|))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {7825#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:40,915 INFO L290 TraceCheckUtils]: 36: Hoare triple {7825#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7825#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:40,916 INFO L290 TraceCheckUtils]: 37: Hoare triple {7825#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7825#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:40,917 INFO L290 TraceCheckUtils]: 38: Hoare triple {7825#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {7826#(and (= (select (select |#memory_int| (select (select |#memory_$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$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:40,917 INFO L290 TraceCheckUtils]: 39: Hoare triple {7826#(and (= (select (select |#memory_int| (select (select |#memory_$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 {7827#(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 00:00:40,918 INFO L290 TraceCheckUtils]: 40: Hoare triple {7827#(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; {7828#(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 00:00:40,918 INFO L290 TraceCheckUtils]: 41: Hoare triple {7828#(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); {7829#(= |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 00:00:40,919 INFO L290 TraceCheckUtils]: 42: Hoare triple {7829#(= |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 {7830#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} is VALID [2022-02-21 00:00:40,919 INFO L290 TraceCheckUtils]: 43: Hoare triple {7830#(= |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; {7807#false} is VALID [2022-02-21 00:00:40,919 INFO L290 TraceCheckUtils]: 44: Hoare triple {7807#false} main_#res#1 := 1; {7807#false} is VALID [2022-02-21 00:00:40,919 INFO L290 TraceCheckUtils]: 45: Hoare triple {7807#false} assume !(#valid == main_old_#valid#1); {7807#false} is VALID [2022-02-21 00:00:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:40,920 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:40,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146613376] [2022-02-21 00:00:40,920 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146613376] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:40,920 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1136922928] [2022-02-21 00:00:40,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:40,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:40,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:40,922 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:40,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-21 00:00:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:41,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 106 conjunts are in the unsatisfiable core [2022-02-21 00:00:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:41,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:41,329 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:41,329 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 14 [2022-02-21 00:00:41,480 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-02-21 00:00:41,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2022-02-21 00:00:41,602 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 00:00:41,698 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 14 treesize of output 16 [2022-02-21 00:00:41,832 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2022-02-21 00:00:41,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2022-02-21 00:00:41,918 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 00:00:41,928 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 00:00:41,936 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 00:00:42,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,021 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 00:00:42,028 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 00:00:42,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,044 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 00:00:42,102 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:42,102 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 00:00:42,116 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 00:00:42,122 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 00:00:42,324 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 00:00:42,356 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 00:00:42,386 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 00:00:42,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:42,643 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:42,644 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 00:00:42,676 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 00:00:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,711 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 00:00:43,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,185 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:43,185 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 00:00:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,226 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 00:00:43,247 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 00:00:43,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:43,393 INFO L356 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2022-02-21 00:00:43,393 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 00:00:43,423 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:43,424 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 00:00:43,566 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 00:00:43,595 INFO L290 TraceCheckUtils]: 0: Hoare triple {7806#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); {7806#true} is VALID [2022-02-21 00:00:43,596 INFO L290 TraceCheckUtils]: 1: Hoare triple {7806#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_~ptr~0#1.base, main_~ptr~0#1.offset, main_~data_new~0#1;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; {7837#(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 00:00:43,597 INFO L290 TraceCheckUtils]: 2: Hoare triple {7837#(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); {7837#(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 00:00:43,597 INFO L290 TraceCheckUtils]: 3: Hoare triple {7837#(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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {7837#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,598 INFO L290 TraceCheckUtils]: 4: Hoare triple {7837#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {7837#(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 00:00:43,598 INFO L290 TraceCheckUtils]: 5: Hoare triple {7837#(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 {7837#(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 00:00:43,598 INFO L290 TraceCheckUtils]: 6: Hoare triple {7837#(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; {7853#(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 00:00:43,599 INFO L290 TraceCheckUtils]: 7: Hoare triple {7853#(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; {7853#(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 00:00:43,599 INFO L290 TraceCheckUtils]: 8: Hoare triple {7853#(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); {7853#(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 00:00:43,600 INFO L290 TraceCheckUtils]: 9: Hoare triple {7853#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7853#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:43,601 INFO L290 TraceCheckUtils]: 10: Hoare triple {7853#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7853#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:43,602 INFO L290 TraceCheckUtils]: 11: Hoare triple {7853#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$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 {7869#(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 00:00:43,602 INFO L290 TraceCheckUtils]: 12: Hoare triple {7869#(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; {7869#(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 00:00:43,603 INFO L290 TraceCheckUtils]: 13: Hoare triple {7869#(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; {7876#(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) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,603 INFO L290 TraceCheckUtils]: 14: Hoare triple {7876#(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) (= |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); {7876#(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) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,604 INFO L290 TraceCheckUtils]: 15: Hoare triple {7876#(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) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7876#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,605 INFO L290 TraceCheckUtils]: 16: Hoare triple {7876#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7876#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,605 INFO L290 TraceCheckUtils]: 17: Hoare triple {7876#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$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 {7876#(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) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,605 INFO L290 TraceCheckUtils]: 18: Hoare triple {7876#(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) (= |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; {7892#(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))} is VALID [2022-02-21 00:00:43,606 INFO L290 TraceCheckUtils]: 19: Hoare triple {7892#(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))} 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; {7896#(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))} is VALID [2022-02-21 00:00:43,607 INFO L290 TraceCheckUtils]: 20: Hoare triple {7896#(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))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7896#(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))} is VALID [2022-02-21 00:00:43,608 INFO L290 TraceCheckUtils]: 21: Hoare triple {7896#(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))} 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 {7896#(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))} is VALID [2022-02-21 00:00:43,608 INFO L290 TraceCheckUtils]: 22: Hoare triple {7896#(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))} 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 {7906#(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))} is VALID [2022-02-21 00:00:43,609 INFO L290 TraceCheckUtils]: 23: Hoare triple {7906#(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))} 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 {7910#(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|)) (= |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 00:00:43,610 INFO L290 TraceCheckUtils]: 24: Hoare triple {7910#(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|)) (= |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; {7914#(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) (= |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 00:00:43,610 INFO L290 TraceCheckUtils]: 25: Hoare triple {7914#(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) (= |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; {7918#(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 00:00:43,611 INFO L290 TraceCheckUtils]: 26: Hoare triple {7918#(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); {7918#(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 00:00:43,612 INFO L290 TraceCheckUtils]: 27: Hoare triple {7918#(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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7925#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:43,613 INFO L290 TraceCheckUtils]: 28: Hoare triple {7925#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7925#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:43,614 INFO L290 TraceCheckUtils]: 29: Hoare triple {7925#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$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$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7932#(and (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:43,615 INFO L290 TraceCheckUtils]: 30: Hoare triple {7932#(and (not (= (select (select |#memory_$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$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7936#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:43,615 INFO L290 TraceCheckUtils]: 31: Hoare triple {7936#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {7936#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:43,616 INFO L290 TraceCheckUtils]: 32: Hoare triple {7936#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$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$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {7943#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} is VALID [2022-02-21 00:00:43,618 INFO L290 TraceCheckUtils]: 33: Hoare triple {7943#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {7943#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} is VALID [2022-02-21 00:00:43,619 INFO L290 TraceCheckUtils]: 34: Hoare triple {7943#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {7950#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:43,620 INFO L290 TraceCheckUtils]: 35: Hoare triple {7950#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset;main_~data_new~0#1 := 1; {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:43,621 INFO L290 TraceCheckUtils]: 36: Hoare triple {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:43,622 INFO L290 TraceCheckUtils]: 37: Hoare triple {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:43,623 INFO L290 TraceCheckUtils]: 38: Hoare triple {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:43,624 INFO L290 TraceCheckUtils]: 39: Hoare triple {7954#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$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 {7967#(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 00:00:43,624 INFO L290 TraceCheckUtils]: 40: Hoare triple {7967#(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; {7971#(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 00:00:43,625 INFO L290 TraceCheckUtils]: 41: Hoare triple {7971#(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); {7975#(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 00:00:43,625 INFO L290 TraceCheckUtils]: 42: Hoare triple {7975#(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 {7979#(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 00:00:43,625 INFO L290 TraceCheckUtils]: 43: Hoare triple {7979#(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; {7807#false} is VALID [2022-02-21 00:00:43,625 INFO L290 TraceCheckUtils]: 44: Hoare triple {7807#false} main_#res#1 := 1; {7807#false} is VALID [2022-02-21 00:00:43,625 INFO L290 TraceCheckUtils]: 45: Hoare triple {7807#false} assume !(#valid == main_old_#valid#1); {7807#false} is VALID [2022-02-21 00:00:43,626 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 00:00:43,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:44,551 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2306 (Array Int Int)) (v_ArrVal_2303 Int) (v_ArrVal_2305 Int) (v_ArrVal_2294 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (.cse3 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (let ((.cse0 (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse2 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| v_ArrVal_2303) .cse3)) (.cse1 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse2 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| v_ArrVal_2305) .cse3))) (or (and (= .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= .cse1 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_2294) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2306) .cse0) .cse1)))))) is different from false [2022-02-21 00:00:45,813 INFO L356 Elim1Store]: treesize reduction 23, result has 45.2 percent of original size [2022-02-21 00:00:45,814 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 2 case distinctions, treesize of input 241 treesize of output 207 [2022-02-21 00:00:45,876 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:45,877 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 2029 treesize of output 2003 [2022-02-21 00:00:45,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:45,897 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:45,898 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 1987 treesize of output 1563 [2022-02-21 00:00:45,998 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:45,999 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 15821 treesize of output 15555 [2022-02-21 00:00:46,054 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:46,097 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 18475 treesize of output 17931 [2022-02-21 00:00:46,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:46,288 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 18655 treesize of output 17983 [2022-02-21 00:00:47,357 WARN L234 Elim1Store]: Array PQE input equivalent to true [2022-02-21 00:00:47,407 WARN L234 Elim1Store]: Array PQE input equivalent to true