./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-simple/dll2n_append_equal.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/AutomizerReach.xml -i ../sv-benchmarks/c/list-simple/dll2n_append_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3a59620f668b7c0725f940bc66e10441fbb56ee9b9fb687de4bd19a3f12eaeda --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:54:24,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:54:24,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:54:24,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:54:24,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:54:24,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:54:24,407 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:54:24,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:54:24,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:54:24,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:54:24,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:54:24,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:54:24,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:54:24,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:54:24,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:54:24,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:54:24,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:54:24,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:54:24,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:54:24,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:54:24,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:54:24,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:54:24,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:54:24,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:54:24,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:54:24,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:54:24,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:54:24,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:54:24,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:54:24,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:54:24,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:54:24,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:54:24,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:54:24,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:54:24,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:54:24,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:54:24,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:54:24,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:54:24,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:54:24,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:54:24,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:54:24,446 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:54:24,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:54:24,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:54:24,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:54:24,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:54:24,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:54:24,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:54:24,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:54:24,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:54:24,479 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:54:24,479 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:54:24,479 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:54:24,480 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:54:24,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:54:24,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:54:24,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:54:24,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:54:24,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:54:24,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:54:24,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:54:24,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:54:24,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:54:24,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:54:24,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:54:24,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:54:24,483 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:54:24,483 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:54:24,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:54:24,484 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a59620f668b7c0725f940bc66e10441fbb56ee9b9fb687de4bd19a3f12eaeda [2022-02-20 16:54:24,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:54:24,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:54:24,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:54:24,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:54:24,702 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:54:24,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/dll2n_append_equal.i [2022-02-20 16:54:24,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d8c68c5/cd4f0048b1f54fb3b7cd20a012933263/FLAG6a5adbbb8 [2022-02-20 16:54:25,167 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:54:25,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/dll2n_append_equal.i [2022-02-20 16:54:25,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d8c68c5/cd4f0048b1f54fb3b7cd20a012933263/FLAG6a5adbbb8 [2022-02-20 16:54:25,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d8c68c5/cd4f0048b1f54fb3b7cd20a012933263 [2022-02-20 16:54:25,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:54:25,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:54:25,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:54:25,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:54:25,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:54:25,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523ed5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25, skipping insertion in model container [2022-02-20 16:54:25,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:54:25,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:54:25,480 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-simple/dll2n_append_equal.i[24333,24346] [2022-02-20 16:54:25,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:54:25,488 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:54:25,536 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-simple/dll2n_append_equal.i[24333,24346] [2022-02-20 16:54:25,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:54:25,565 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:54:25,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25 WrapperNode [2022-02-20 16:54:25,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:54:25,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:54:25,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:54:25,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:54:25,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,622 INFO L137 Inliner]: procedures = 127, calls = 37, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 122 [2022-02-20 16:54:25,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:54:25,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:54:25,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:54:25,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:54:25,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,681 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:54:25,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:54:25,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:54:25,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:54:25,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (1/1) ... [2022-02-20 16:54:25,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:54:25,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:25,714 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 16:54:25,719 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 16:54:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 16:54:25,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-02-20 16:54:25,738 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 16:54:25,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 16:54:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 16:54:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:54:25,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:54:25,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:54:25,815 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:54:25,816 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:54:26,155 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:54:26,160 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:54:26,164 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-20 16:54:26,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:54:26 BoogieIcfgContainer [2022-02-20 16:54:26,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:54:26,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:54:26,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:54:26,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:54:26,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:54:25" (1/3) ... [2022-02-20 16:54:26,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435a90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:54:26, skipping insertion in model container [2022-02-20 16:54:26,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:54:25" (2/3) ... [2022-02-20 16:54:26,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@435a90e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:54:26, skipping insertion in model container [2022-02-20 16:54:26,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:54:26" (3/3) ... [2022-02-20 16:54:26,174 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_append_equal.i [2022-02-20 16:54:26,184 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:54:26,185 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:54:26,239 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:54:26,252 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:54:26,252 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:54:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 28 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:26,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 16:54:26,271 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:26,272 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:26,273 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:26,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:26,276 INFO L85 PathProgramCache]: Analyzing trace with hash 308507763, now seen corresponding path program 1 times [2022-02-20 16:54:26,282 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:26,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080361767] [2022-02-20 16:54:26,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:26,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-02-20 16:54:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:26,486 INFO L290 TraceCheckUtils]: 0: Hoare triple {42#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {35#true} is VALID [2022-02-20 16:54:26,486 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {35#true} is VALID [2022-02-20 16:54:26,487 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {35#true} is VALID [2022-02-20 16:54:26,487 INFO L290 TraceCheckUtils]: 3: Hoare triple {35#true} assume true; {35#true} is VALID [2022-02-20 16:54:26,487 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {35#true} {36#false} #105#return; {36#false} is VALID [2022-02-20 16:54:26,488 INFO L290 TraceCheckUtils]: 0: Hoare triple {35#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(21, 2); {35#true} is VALID [2022-02-20 16:54:26,489 INFO L290 TraceCheckUtils]: 1: Hoare triple {35#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {35#true} is VALID [2022-02-20 16:54:26,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {35#true} assume !true; {36#false} is VALID [2022-02-20 16:54:26,490 INFO L290 TraceCheckUtils]: 3: Hoare triple {36#false} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {36#false} is VALID [2022-02-20 16:54:26,491 INFO L290 TraceCheckUtils]: 4: Hoare triple {36#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {36#false} is VALID [2022-02-20 16:54:26,491 INFO L272 TraceCheckUtils]: 5: Hoare triple {36#false} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {42#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:26,491 INFO L290 TraceCheckUtils]: 6: Hoare triple {42#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {35#true} is VALID [2022-02-20 16:54:26,492 INFO L290 TraceCheckUtils]: 7: Hoare triple {35#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {35#true} is VALID [2022-02-20 16:54:26,492 INFO L290 TraceCheckUtils]: 8: Hoare triple {35#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {35#true} is VALID [2022-02-20 16:54:26,492 INFO L290 TraceCheckUtils]: 9: Hoare triple {35#true} assume true; {35#true} is VALID [2022-02-20 16:54:26,492 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {35#true} {36#false} #105#return; {36#false} is VALID [2022-02-20 16:54:26,493 INFO L290 TraceCheckUtils]: 11: Hoare triple {36#false} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {36#false} is VALID [2022-02-20 16:54:26,493 INFO L290 TraceCheckUtils]: 12: Hoare triple {36#false} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {36#false} is VALID [2022-02-20 16:54:26,493 INFO L290 TraceCheckUtils]: 13: Hoare triple {36#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {36#false} is VALID [2022-02-20 16:54:26,493 INFO L290 TraceCheckUtils]: 14: Hoare triple {36#false} assume !true; {36#false} is VALID [2022-02-20 16:54:26,494 INFO L290 TraceCheckUtils]: 15: Hoare triple {36#false} assume main_~count~0#1 != 1 + main_~len~0#1; {36#false} is VALID [2022-02-20 16:54:26,494 INFO L290 TraceCheckUtils]: 16: Hoare triple {36#false} assume !false; {36#false} is VALID [2022-02-20 16:54:26,495 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 16:54:26,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:26,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080361767] [2022-02-20 16:54:26,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080361767] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:54:26,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:54:26,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:54:26,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945916444] [2022-02-20 16:54:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:54:26,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-02-20 16:54:26,503 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:26,506 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:26,533 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:26,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:54:26,533 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:26,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:54:26,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:54:26,555 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 28 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:26,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:26,704 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2022-02-20 16:54:26,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:54:26,704 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-02-20 16:54:26,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:26,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2022-02-20 16:54:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 79 transitions. [2022-02-20 16:54:26,722 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 79 transitions. [2022-02-20 16:54:26,791 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:26,797 INFO L225 Difference]: With dead ends: 57 [2022-02-20 16:54:26,797 INFO L226 Difference]: Without dead ends: 26 [2022-02-20 16:54:26,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 16:54:26,801 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:26,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:54:26,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-02-20 16:54:26,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-02-20 16:54:26,823 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:26,823 INFO L82 GeneralOperation]: Start isEquivalent. First operand 26 states. Second operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:26,824 INFO L74 IsIncluded]: Start isIncluded. First operand 26 states. Second operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:26,824 INFO L87 Difference]: Start difference. First operand 26 states. Second operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:26,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:26,827 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-02-20 16:54:26,827 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-02-20 16:54:26,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:26,828 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:26,829 INFO L74 IsIncluded]: Start isIncluded. First operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand 26 states. [2022-02-20 16:54:26,829 INFO L87 Difference]: Start difference. First operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand 26 states. [2022-02-20 16:54:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:26,836 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2022-02-20 16:54:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-02-20 16:54:26,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:26,837 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:26,837 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:26,837 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-02-20 16:54:26,847 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 17 [2022-02-20 16:54:26,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:26,848 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-02-20 16:54:26,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2022-02-20 16:54:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 16:54:26,849 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:26,850 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:26,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:54:26,850 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:26,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:26,854 INFO L85 PathProgramCache]: Analyzing trace with hash -2109805219, now seen corresponding path program 1 times [2022-02-20 16:54:26,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:26,854 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266626315] [2022-02-20 16:54:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:26,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-02-20 16:54:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:26,916 INFO L290 TraceCheckUtils]: 0: Hoare triple {216#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {208#true} is VALID [2022-02-20 16:54:26,916 INFO L290 TraceCheckUtils]: 1: Hoare triple {208#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {208#true} is VALID [2022-02-20 16:54:26,916 INFO L290 TraceCheckUtils]: 2: Hoare triple {208#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {208#true} is VALID [2022-02-20 16:54:26,916 INFO L290 TraceCheckUtils]: 3: Hoare triple {208#true} assume true; {208#true} is VALID [2022-02-20 16:54:26,916 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {208#true} {209#false} #105#return; {209#false} is VALID [2022-02-20 16:54:26,917 INFO L290 TraceCheckUtils]: 0: Hoare triple {208#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(21, 2); {208#true} is VALID [2022-02-20 16:54:26,917 INFO L290 TraceCheckUtils]: 1: Hoare triple {208#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {210#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:26,918 INFO L290 TraceCheckUtils]: 2: Hoare triple {210#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} assume !(dll_create_~len#1 > 0); {209#false} is VALID [2022-02-20 16:54:26,918 INFO L290 TraceCheckUtils]: 3: Hoare triple {209#false} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {209#false} is VALID [2022-02-20 16:54:26,918 INFO L290 TraceCheckUtils]: 4: Hoare triple {209#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {209#false} is VALID [2022-02-20 16:54:26,918 INFO L272 TraceCheckUtils]: 5: Hoare triple {209#false} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {216#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:26,919 INFO L290 TraceCheckUtils]: 6: Hoare triple {216#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {208#true} is VALID [2022-02-20 16:54:26,919 INFO L290 TraceCheckUtils]: 7: Hoare triple {208#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {208#true} is VALID [2022-02-20 16:54:26,919 INFO L290 TraceCheckUtils]: 8: Hoare triple {208#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {208#true} is VALID [2022-02-20 16:54:26,919 INFO L290 TraceCheckUtils]: 9: Hoare triple {208#true} assume true; {208#true} is VALID [2022-02-20 16:54:26,919 INFO L284 TraceCheckUtils]: 10: Hoare quadruple {208#true} {209#false} #105#return; {209#false} is VALID [2022-02-20 16:54:26,919 INFO L290 TraceCheckUtils]: 11: Hoare triple {209#false} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {209#false} is VALID [2022-02-20 16:54:26,920 INFO L290 TraceCheckUtils]: 12: Hoare triple {209#false} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {209#false} is VALID [2022-02-20 16:54:26,920 INFO L290 TraceCheckUtils]: 13: Hoare triple {209#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {209#false} is VALID [2022-02-20 16:54:26,920 INFO L290 TraceCheckUtils]: 14: Hoare triple {209#false} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {209#false} is VALID [2022-02-20 16:54:26,920 INFO L290 TraceCheckUtils]: 15: Hoare triple {209#false} assume main_~count~0#1 != 1 + main_~len~0#1; {209#false} is VALID [2022-02-20 16:54:26,920 INFO L290 TraceCheckUtils]: 16: Hoare triple {209#false} assume !false; {209#false} is VALID [2022-02-20 16:54:26,920 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 16:54:26,921 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:26,921 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266626315] [2022-02-20 16:54:26,921 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266626315] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:54:26,921 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:54:26,921 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:54:26,921 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732015761] [2022-02-20 16:54:26,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:54:26,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-02-20 16:54:26,923 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:26,923 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:26,935 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:26,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:54:26,936 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:54:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:54:26,937 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:27,029 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-02-20 16:54:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:54:27,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-02-20 16:54:27,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 62 transitions. [2022-02-20 16:54:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 62 transitions. [2022-02-20 16:54:27,036 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 62 transitions. [2022-02-20 16:54:27,084 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:27,086 INFO L225 Difference]: With dead ends: 50 [2022-02-20 16:54:27,087 INFO L226 Difference]: Without dead ends: 31 [2022-02-20 16:54:27,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:54:27,088 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:27,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 70 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:54:27,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-02-20 16:54:27,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 27. [2022-02-20 16:54:27,092 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:27,092 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,092 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,093 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:27,094 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2022-02-20 16:54:27,094 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-02-20 16:54:27,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:27,095 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:27,095 INFO L74 IsIncluded]: Start isIncluded. First operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand 31 states. [2022-02-20 16:54:27,096 INFO L87 Difference]: Start difference. First operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand 31 states. [2022-02-20 16:54:27,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:27,097 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions. [2022-02-20 16:54:27,097 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-02-20 16:54:27,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:27,098 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:27,098 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:27,098 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:27,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2022-02-20 16:54:27,099 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 17 [2022-02-20 16:54:27,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:27,100 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2022-02-20 16:54:27,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 16:54:27,100 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-02-20 16:54:27,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 16:54:27,101 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:27,101 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:27,101 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:54:27,101 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:27,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:27,102 INFO L85 PathProgramCache]: Analyzing trace with hash 493100305, now seen corresponding path program 1 times [2022-02-20 16:54:27,102 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:27,102 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750898905] [2022-02-20 16:54:27,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:27,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,189 INFO L290 TraceCheckUtils]: 0: Hoare triple {396#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {383#true} is VALID [2022-02-20 16:54:27,189 INFO L290 TraceCheckUtils]: 1: Hoare triple {383#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {383#true} is VALID [2022-02-20 16:54:27,189 INFO L290 TraceCheckUtils]: 2: Hoare triple {383#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {383#true} is VALID [2022-02-20 16:54:27,190 INFO L290 TraceCheckUtils]: 3: Hoare triple {383#true} assume true; {383#true} is VALID [2022-02-20 16:54:27,190 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {383#true} {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} #103#return; {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:54:27,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 16:54:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,204 INFO L290 TraceCheckUtils]: 0: Hoare triple {396#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {383#true} is VALID [2022-02-20 16:54:27,204 INFO L290 TraceCheckUtils]: 1: Hoare triple {383#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {383#true} is VALID [2022-02-20 16:54:27,204 INFO L290 TraceCheckUtils]: 2: Hoare triple {383#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {383#true} is VALID [2022-02-20 16:54:27,204 INFO L290 TraceCheckUtils]: 3: Hoare triple {383#true} assume true; {383#true} is VALID [2022-02-20 16:54:27,205 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {383#true} {384#false} #105#return; {384#false} is VALID [2022-02-20 16:54:27,205 INFO L290 TraceCheckUtils]: 0: Hoare triple {383#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(21, 2); {383#true} is VALID [2022-02-20 16:54:27,206 INFO L290 TraceCheckUtils]: 1: Hoare triple {383#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:54:27,206 INFO L290 TraceCheckUtils]: 2: Hoare triple {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} assume !!(dll_create_~len#1 > 0); {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:54:27,207 INFO L272 TraceCheckUtils]: 3: Hoare triple {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {396#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:27,207 INFO L290 TraceCheckUtils]: 4: Hoare triple {396#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {383#true} is VALID [2022-02-20 16:54:27,207 INFO L290 TraceCheckUtils]: 5: Hoare triple {383#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {383#true} is VALID [2022-02-20 16:54:27,208 INFO L290 TraceCheckUtils]: 6: Hoare triple {383#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {383#true} is VALID [2022-02-20 16:54:27,208 INFO L290 TraceCheckUtils]: 7: Hoare triple {383#true} assume true; {383#true} is VALID [2022-02-20 16:54:27,208 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {383#true} {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} #103#return; {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:54:27,209 INFO L290 TraceCheckUtils]: 9: Hoare triple {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:54:27,210 INFO L290 TraceCheckUtils]: 10: Hoare triple {385#(and (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {384#false} is VALID [2022-02-20 16:54:27,210 INFO L290 TraceCheckUtils]: 11: Hoare triple {384#false} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {384#false} is VALID [2022-02-20 16:54:27,210 INFO L290 TraceCheckUtils]: 12: Hoare triple {384#false} assume !(dll_create_~len#1 > 0); {384#false} is VALID [2022-02-20 16:54:27,210 INFO L290 TraceCheckUtils]: 13: Hoare triple {384#false} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {384#false} is VALID [2022-02-20 16:54:27,211 INFO L290 TraceCheckUtils]: 14: Hoare triple {384#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {384#false} is VALID [2022-02-20 16:54:27,211 INFO L272 TraceCheckUtils]: 15: Hoare triple {384#false} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {396#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:27,211 INFO L290 TraceCheckUtils]: 16: Hoare triple {396#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {383#true} is VALID [2022-02-20 16:54:27,211 INFO L290 TraceCheckUtils]: 17: Hoare triple {383#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {383#true} is VALID [2022-02-20 16:54:27,211 INFO L290 TraceCheckUtils]: 18: Hoare triple {383#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {383#true} is VALID [2022-02-20 16:54:27,212 INFO L290 TraceCheckUtils]: 19: Hoare triple {383#true} assume true; {383#true} is VALID [2022-02-20 16:54:27,212 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {383#true} {384#false} #105#return; {384#false} is VALID [2022-02-20 16:54:27,212 INFO L290 TraceCheckUtils]: 21: Hoare triple {384#false} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {384#false} is VALID [2022-02-20 16:54:27,212 INFO L290 TraceCheckUtils]: 22: Hoare triple {384#false} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {384#false} is VALID [2022-02-20 16:54:27,212 INFO L290 TraceCheckUtils]: 23: Hoare triple {384#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {384#false} is VALID [2022-02-20 16:54:27,212 INFO L290 TraceCheckUtils]: 24: Hoare triple {384#false} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {384#false} is VALID [2022-02-20 16:54:27,213 INFO L290 TraceCheckUtils]: 25: Hoare triple {384#false} assume main_~count~0#1 != 1 + main_~len~0#1; {384#false} is VALID [2022-02-20 16:54:27,213 INFO L290 TraceCheckUtils]: 26: Hoare triple {384#false} assume !false; {384#false} is VALID [2022-02-20 16:54:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 16:54:27,213 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:27,213 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750898905] [2022-02-20 16:54:27,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750898905] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:54:27,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:54:27,214 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 16:54:27,214 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41954320] [2022-02-20 16:54:27,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:54:27,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-02-20 16:54:27,215 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:27,215 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,232 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:27,232 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:54:27,232 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:27,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:54:27,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:54:27,233 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:27,322 INFO L93 Difference]: Finished difference Result 55 states and 69 transitions. [2022-02-20 16:54:27,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 16:54:27,323 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2022-02-20 16:54:27,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:27,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 69 transitions. [2022-02-20 16:54:27,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 69 transitions. [2022-02-20 16:54:27,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 69 transitions. [2022-02-20 16:54:27,381 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:27,383 INFO L225 Difference]: With dead ends: 55 [2022-02-20 16:54:27,383 INFO L226 Difference]: Without dead ends: 31 [2022-02-20 16:54:27,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:54:27,384 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:27,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 69 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:54:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-02-20 16:54:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-02-20 16:54:27,391 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:27,392 INFO L82 GeneralOperation]: Start isEquivalent. First operand 31 states. Second operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:27,392 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:27,392 INFO L87 Difference]: Start difference. First operand 31 states. Second operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:27,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:27,394 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-02-20 16:54:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-02-20 16:54:27,398 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:27,398 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:27,398 INFO L74 IsIncluded]: Start isIncluded. First operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 31 states. [2022-02-20 16:54:27,398 INFO L87 Difference]: Start difference. First operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 31 states. [2022-02-20 16:54:27,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:27,403 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-02-20 16:54:27,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-02-20 16:54:27,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:27,404 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:27,404 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:27,404 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 25 states have (on average 1.24) internal successors, (31), 25 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-02-20 16:54:27,406 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 27 [2022-02-20 16:54:27,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:27,406 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-02-20 16:54:27,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-02-20 16:54:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-02-20 16:54:27,407 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:27,407 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:27,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 16:54:27,407 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:27,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:27,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1095247597, now seen corresponding path program 1 times [2022-02-20 16:54:27,408 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:27,408 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509289117] [2022-02-20 16:54:27,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:27,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,474 INFO L290 TraceCheckUtils]: 0: Hoare triple {588#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,478 INFO L290 TraceCheckUtils]: 1: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,478 INFO L290 TraceCheckUtils]: 2: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,478 INFO L290 TraceCheckUtils]: 3: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,479 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {574#true} {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} #103#return; {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:27,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 16:54:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,488 INFO L290 TraceCheckUtils]: 0: Hoare triple {588#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,488 INFO L290 TraceCheckUtils]: 1: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,488 INFO L290 TraceCheckUtils]: 2: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,488 INFO L290 TraceCheckUtils]: 3: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,488 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {574#true} {575#false} #105#return; {575#false} is VALID [2022-02-20 16:54:27,488 INFO L290 TraceCheckUtils]: 0: Hoare triple {574#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(21, 2); {574#true} is VALID [2022-02-20 16:54:27,489 INFO L290 TraceCheckUtils]: 1: Hoare triple {574#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:27,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} assume !!(dll_create_~len#1 > 0); {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:27,490 INFO L272 TraceCheckUtils]: 3: Hoare triple {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {588#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:27,490 INFO L290 TraceCheckUtils]: 4: Hoare triple {588#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,490 INFO L290 TraceCheckUtils]: 5: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,490 INFO L290 TraceCheckUtils]: 6: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,490 INFO L290 TraceCheckUtils]: 7: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,491 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {574#true} {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} #103#return; {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:27,491 INFO L290 TraceCheckUtils]: 9: Hoare triple {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:27,492 INFO L290 TraceCheckUtils]: 10: Hoare triple {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} is VALID [2022-02-20 16:54:27,492 INFO L290 TraceCheckUtils]: 11: Hoare triple {576#(= (+ (- 2) |ULTIMATE.start_dll_create_~len#1|) 0)} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {582#(<= 1 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,493 INFO L290 TraceCheckUtils]: 12: Hoare triple {582#(<= 1 |ULTIMATE.start_dll_create_~len#1|)} assume !(dll_create_~len#1 > 0); {575#false} is VALID [2022-02-20 16:54:27,493 INFO L290 TraceCheckUtils]: 13: Hoare triple {575#false} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {575#false} is VALID [2022-02-20 16:54:27,493 INFO L290 TraceCheckUtils]: 14: Hoare triple {575#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {575#false} is VALID [2022-02-20 16:54:27,493 INFO L272 TraceCheckUtils]: 15: Hoare triple {575#false} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {588#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:27,493 INFO L290 TraceCheckUtils]: 16: Hoare triple {588#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,493 INFO L290 TraceCheckUtils]: 17: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,493 INFO L290 TraceCheckUtils]: 18: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 19: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,494 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {574#true} {575#false} #105#return; {575#false} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 21: Hoare triple {575#false} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {575#false} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 22: Hoare triple {575#false} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {575#false} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 23: Hoare triple {575#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {575#false} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 24: Hoare triple {575#false} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {575#false} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 25: Hoare triple {575#false} assume main_~count~0#1 != 1 + main_~len~0#1; {575#false} is VALID [2022-02-20 16:54:27,494 INFO L290 TraceCheckUtils]: 26: Hoare triple {575#false} assume !false; {575#false} is VALID [2022-02-20 16:54:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 16:54:27,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:27,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509289117] [2022-02-20 16:54:27,495 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509289117] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:27,495 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880580213] [2022-02-20 16:54:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:27,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:27,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:27,497 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) [2022-02-20 16:54:27,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-20 16:54:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 16:54:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:27,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:54:27,762 INFO L290 TraceCheckUtils]: 0: Hoare triple {574#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(21, 2); {574#true} is VALID [2022-02-20 16:54:27,763 INFO L290 TraceCheckUtils]: 1: Hoare triple {574#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,763 INFO L290 TraceCheckUtils]: 2: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} assume !!(dll_create_~len#1 > 0); {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,763 INFO L272 TraceCheckUtils]: 3: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {574#true} is VALID [2022-02-20 16:54:27,763 INFO L290 TraceCheckUtils]: 4: Hoare triple {574#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,764 INFO L290 TraceCheckUtils]: 5: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,764 INFO L290 TraceCheckUtils]: 6: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,764 INFO L290 TraceCheckUtils]: 7: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,764 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {574#true} {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} #103#return; {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,765 INFO L290 TraceCheckUtils]: 9: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,765 INFO L290 TraceCheckUtils]: 10: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,766 INFO L290 TraceCheckUtils]: 11: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {582#(<= 1 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,766 INFO L290 TraceCheckUtils]: 12: Hoare triple {582#(<= 1 |ULTIMATE.start_dll_create_~len#1|)} assume !(dll_create_~len#1 > 0); {575#false} is VALID [2022-02-20 16:54:27,766 INFO L290 TraceCheckUtils]: 13: Hoare triple {575#false} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {575#false} is VALID [2022-02-20 16:54:27,766 INFO L290 TraceCheckUtils]: 14: Hoare triple {575#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {575#false} is VALID [2022-02-20 16:54:27,767 INFO L272 TraceCheckUtils]: 15: Hoare triple {575#false} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 16: Hoare triple {575#false} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 17: Hoare triple {575#false} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 18: Hoare triple {575#false} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 19: Hoare triple {575#false} assume true; {575#false} is VALID [2022-02-20 16:54:27,767 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {575#false} {575#false} #105#return; {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 21: Hoare triple {575#false} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 22: Hoare triple {575#false} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 23: Hoare triple {575#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {575#false} is VALID [2022-02-20 16:54:27,767 INFO L290 TraceCheckUtils]: 24: Hoare triple {575#false} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {575#false} is VALID [2022-02-20 16:54:27,768 INFO L290 TraceCheckUtils]: 25: Hoare triple {575#false} assume main_~count~0#1 != 1 + main_~len~0#1; {575#false} is VALID [2022-02-20 16:54:27,768 INFO L290 TraceCheckUtils]: 26: Hoare triple {575#false} assume !false; {575#false} is VALID [2022-02-20 16:54:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:54:27,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:54:27,944 INFO L290 TraceCheckUtils]: 26: Hoare triple {575#false} assume !false; {575#false} is VALID [2022-02-20 16:54:27,945 INFO L290 TraceCheckUtils]: 25: Hoare triple {575#false} assume main_~count~0#1 != 1 + main_~len~0#1; {575#false} is VALID [2022-02-20 16:54:27,945 INFO L290 TraceCheckUtils]: 24: Hoare triple {575#false} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {575#false} is VALID [2022-02-20 16:54:27,945 INFO L290 TraceCheckUtils]: 23: Hoare triple {575#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {575#false} is VALID [2022-02-20 16:54:27,945 INFO L290 TraceCheckUtils]: 22: Hoare triple {575#false} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {575#false} is VALID [2022-02-20 16:54:27,945 INFO L290 TraceCheckUtils]: 21: Hoare triple {575#false} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {575#false} is VALID [2022-02-20 16:54:27,946 INFO L284 TraceCheckUtils]: 20: Hoare quadruple {574#true} {575#false} #105#return; {575#false} is VALID [2022-02-20 16:54:27,946 INFO L290 TraceCheckUtils]: 19: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,946 INFO L290 TraceCheckUtils]: 18: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,946 INFO L290 TraceCheckUtils]: 17: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,946 INFO L290 TraceCheckUtils]: 16: Hoare triple {574#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,946 INFO L272 TraceCheckUtils]: 15: Hoare triple {575#false} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {574#true} is VALID [2022-02-20 16:54:27,947 INFO L290 TraceCheckUtils]: 14: Hoare triple {575#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {575#false} is VALID [2022-02-20 16:54:27,947 INFO L290 TraceCheckUtils]: 13: Hoare triple {575#false} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {575#false} is VALID [2022-02-20 16:54:27,947 INFO L290 TraceCheckUtils]: 12: Hoare triple {582#(<= 1 |ULTIMATE.start_dll_create_~len#1|)} assume !(dll_create_~len#1 > 0); {575#false} is VALID [2022-02-20 16:54:27,948 INFO L290 TraceCheckUtils]: 11: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {582#(<= 1 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,948 INFO L290 TraceCheckUtils]: 10: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,949 INFO L290 TraceCheckUtils]: 9: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,949 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {574#true} {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} #103#return; {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,949 INFO L290 TraceCheckUtils]: 7: Hoare triple {574#true} assume true; {574#true} is VALID [2022-02-20 16:54:27,950 INFO L290 TraceCheckUtils]: 6: Hoare triple {574#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {574#true} is VALID [2022-02-20 16:54:27,950 INFO L290 TraceCheckUtils]: 5: Hoare triple {574#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {574#true} is VALID [2022-02-20 16:54:27,950 INFO L290 TraceCheckUtils]: 4: Hoare triple {574#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {574#true} is VALID [2022-02-20 16:54:27,950 INFO L272 TraceCheckUtils]: 3: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {574#true} is VALID [2022-02-20 16:54:27,951 INFO L290 TraceCheckUtils]: 2: Hoare triple {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} assume !!(dll_create_~len#1 > 0); {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,951 INFO L290 TraceCheckUtils]: 1: Hoare triple {574#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {595#(<= 2 |ULTIMATE.start_dll_create_~len#1|)} is VALID [2022-02-20 16:54:27,951 INFO L290 TraceCheckUtils]: 0: Hoare triple {574#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(21, 2); {574#true} is VALID [2022-02-20 16:54:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 16:54:27,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880580213] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 16:54:27,952 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 16:54:27,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 6 [2022-02-20 16:54:27,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952171746] [2022-02-20 16:54:27,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 16:54:27,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 27 [2022-02-20 16:54:27,953 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:27,953 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 16:54:27,985 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:27,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 16:54:27,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:27,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 16:54:27,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:54:27,987 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 16:54:28,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:28,099 INFO L93 Difference]: Finished difference Result 51 states and 62 transitions. [2022-02-20 16:54:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 16:54:28,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 27 [2022-02-20 16:54:28,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:28,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 16:54:28,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2022-02-20 16:54:28,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 16:54:28,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 62 transitions. [2022-02-20 16:54:28,102 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 62 transitions. [2022-02-20 16:54:28,139 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:28,140 INFO L225 Difference]: With dead ends: 51 [2022-02-20 16:54:28,140 INFO L226 Difference]: Without dead ends: 32 [2022-02-20 16:54:28,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-02-20 16:54:28,141 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 7 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:28,141 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 72 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:54:28,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-02-20 16:54:28,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-02-20 16:54:28,150 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:28,151 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,151 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,151 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:28,152 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2022-02-20 16:54:28,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-02-20 16:54:28,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:28,152 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:28,153 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-02-20 16:54:28,153 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-02-20 16:54:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:28,154 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2022-02-20 16:54:28,154 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-02-20 16:54:28,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:28,154 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:28,154 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:28,154 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:28,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-02-20 16:54:28,159 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 27 [2022-02-20 16:54:28,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:28,159 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-02-20 16:54:28,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 16:54:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-02-20 16:54:28,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-20 16:54:28,160 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:28,160 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:28,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:54:28,379 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:28,380 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:28,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:28,380 INFO L85 PathProgramCache]: Analyzing trace with hash -292922041, now seen corresponding path program 1 times [2022-02-20 16:54:28,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:28,380 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074657815] [2022-02-20 16:54:28,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:28,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:28,542 INFO L290 TraceCheckUtils]: 0: Hoare triple {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {923#true} is VALID [2022-02-20 16:54:28,542 INFO L290 TraceCheckUtils]: 1: Hoare triple {923#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {923#true} is VALID [2022-02-20 16:54:28,542 INFO L290 TraceCheckUtils]: 2: Hoare triple {923#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {923#true} is VALID [2022-02-20 16:54:28,542 INFO L290 TraceCheckUtils]: 3: Hoare triple {923#true} assume true; {923#true} is VALID [2022-02-20 16:54:28,542 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {923#true} {923#true} #103#return; {923#true} is VALID [2022-02-20 16:54:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:28,549 INFO L290 TraceCheckUtils]: 0: Hoare triple {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {923#true} is VALID [2022-02-20 16:54:28,549 INFO L290 TraceCheckUtils]: 1: Hoare triple {923#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {923#true} is VALID [2022-02-20 16:54:28,549 INFO L290 TraceCheckUtils]: 2: Hoare triple {923#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {923#true} is VALID [2022-02-20 16:54:28,549 INFO L290 TraceCheckUtils]: 3: Hoare triple {923#true} assume true; {923#true} is VALID [2022-02-20 16:54:28,550 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {923#true} {923#true} #103#return; {923#true} is VALID [2022-02-20 16:54:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:28,579 INFO L290 TraceCheckUtils]: 0: Hoare triple {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {946#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:28,580 INFO L290 TraceCheckUtils]: 1: Hoare triple {946#(not (= |node_create_~temp~0#1.base| 0))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {946#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:28,582 INFO L290 TraceCheckUtils]: 2: Hoare triple {946#(not (= |node_create_~temp~0#1.base| 0))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {947#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:28,582 INFO L290 TraceCheckUtils]: 3: Hoare triple {947#(not (= |node_create_#res#1.base| 0))} assume true; {947#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:28,584 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {947#(not (= |node_create_#res#1.base| 0))} {935#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|))} #105#return; {941#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)))} is VALID [2022-02-20 16:54:28,585 INFO L290 TraceCheckUtils]: 0: Hoare triple {923#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(21, 2); {923#true} is VALID [2022-02-20 16:54:28,585 INFO L290 TraceCheckUtils]: 1: Hoare triple {923#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {923#true} is VALID [2022-02-20 16:54:28,585 INFO L290 TraceCheckUtils]: 2: Hoare triple {923#true} assume !!(dll_create_~len#1 > 0); {923#true} is VALID [2022-02-20 16:54:28,587 INFO L272 TraceCheckUtils]: 3: Hoare triple {923#true} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:28,587 INFO L290 TraceCheckUtils]: 4: Hoare triple {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {923#true} is VALID [2022-02-20 16:54:28,587 INFO L290 TraceCheckUtils]: 5: Hoare triple {923#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {923#true} is VALID [2022-02-20 16:54:28,587 INFO L290 TraceCheckUtils]: 6: Hoare triple {923#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {923#true} is VALID [2022-02-20 16:54:28,587 INFO L290 TraceCheckUtils]: 7: Hoare triple {923#true} assume true; {923#true} is VALID [2022-02-20 16:54:28,588 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {923#true} {923#true} #103#return; {923#true} is VALID [2022-02-20 16:54:28,588 INFO L290 TraceCheckUtils]: 9: Hoare triple {923#true} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {923#true} is VALID [2022-02-20 16:54:28,588 INFO L290 TraceCheckUtils]: 10: Hoare triple {923#true} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {923#true} is VALID [2022-02-20 16:54:28,588 INFO L290 TraceCheckUtils]: 11: Hoare triple {923#true} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {923#true} is VALID [2022-02-20 16:54:28,588 INFO L290 TraceCheckUtils]: 12: Hoare triple {923#true} assume !!(dll_create_~len#1 > 0); {923#true} is VALID [2022-02-20 16:54:28,589 INFO L272 TraceCheckUtils]: 13: Hoare triple {923#true} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 14: Hoare triple {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 15: Hoare triple {923#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 16: Hoare triple {923#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 17: Hoare triple {923#true} assume true; {923#true} is VALID [2022-02-20 16:54:28,589 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {923#true} {923#true} #103#return; {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 19: Hoare triple {923#true} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 20: Hoare triple {923#true} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 21: Hoare triple {923#true} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 22: Hoare triple {923#true} assume !(dll_create_~len#1 > 0); {923#true} is VALID [2022-02-20 16:54:28,589 INFO L290 TraceCheckUtils]: 23: Hoare triple {923#true} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {923#true} is VALID [2022-02-20 16:54:28,593 INFO L290 TraceCheckUtils]: 24: Hoare triple {923#true} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {935#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:28,594 INFO L272 TraceCheckUtils]: 25: Hoare triple {935#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:28,594 INFO L290 TraceCheckUtils]: 26: Hoare triple {945#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {946#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:28,594 INFO L290 TraceCheckUtils]: 27: Hoare triple {946#(not (= |node_create_~temp~0#1.base| 0))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {946#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:28,602 INFO L290 TraceCheckUtils]: 28: Hoare triple {946#(not (= |node_create_~temp~0#1.base| 0))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {947#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:28,602 INFO L290 TraceCheckUtils]: 29: Hoare triple {947#(not (= |node_create_#res#1.base| 0))} assume true; {947#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:28,603 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {947#(not (= |node_create_#res#1.base| 0))} {935#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|))} #105#return; {941#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)))} is VALID [2022-02-20 16:54:28,604 INFO L290 TraceCheckUtils]: 31: Hoare triple {941#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {942#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)))} is VALID [2022-02-20 16:54:28,604 INFO L290 TraceCheckUtils]: 32: Hoare triple {942#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)))} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {943#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 16:54:28,605 INFO L290 TraceCheckUtils]: 33: Hoare triple {943#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {944#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:54:28,605 INFO L290 TraceCheckUtils]: 34: Hoare triple {944#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {924#false} is VALID [2022-02-20 16:54:28,605 INFO L290 TraceCheckUtils]: 35: Hoare triple {924#false} assume main_~count~0#1 != 1 + main_~len~0#1; {924#false} is VALID [2022-02-20 16:54:28,605 INFO L290 TraceCheckUtils]: 36: Hoare triple {924#false} assume !false; {924#false} is VALID [2022-02-20 16:54:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-02-20 16:54:28,605 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:28,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074657815] [2022-02-20 16:54:28,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074657815] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:54:28,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:54:28,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-02-20 16:54:28,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651869669] [2022-02-20 16:54:28,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:54:28,606 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-02-20 16:54:28,606 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:28,607 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:28,624 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:28,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-20 16:54:28,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:28,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-20 16:54:28,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-02-20 16:54:28,625 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:28,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:28,866 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2022-02-20 16:54:28,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 16:54:28,866 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-02-20 16:54:28,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 46 transitions. [2022-02-20 16:54:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 46 transitions. [2022-02-20 16:54:28,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 46 transitions. [2022-02-20 16:54:28,897 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:28,897 INFO L225 Difference]: With dead ends: 45 [2022-02-20 16:54:28,897 INFO L226 Difference]: Without dead ends: 42 [2022-02-20 16:54:28,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-02-20 16:54:28,898 INFO L933 BasicCegarLoop]: 22 mSDtfsCounter, 61 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:28,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 144 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 16:54:28,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-02-20 16:54:28,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 34. [2022-02-20 16:54:28,904 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:28,904 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand has 34 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,904 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand has 34 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,904 INFO L87 Difference]: Start difference. First operand 42 states. Second operand has 34 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:28,906 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-02-20 16:54:28,906 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-02-20 16:54:28,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:28,906 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:28,906 INFO L74 IsIncluded]: Start isIncluded. First operand has 34 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-02-20 16:54:28,906 INFO L87 Difference]: Start difference. First operand has 34 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-02-20 16:54:28,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:28,907 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-02-20 16:54:28,907 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2022-02-20 16:54:28,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:28,908 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:28,908 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:28,908 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2022-02-20 16:54:28,909 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 37 [2022-02-20 16:54:28,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:28,909 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-02-20 16:54:28,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 16:54:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-02-20 16:54:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-20 16:54:28,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:28,910 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:28,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 16:54:28,910 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:28,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:28,910 INFO L85 PathProgramCache]: Analyzing trace with hash -292920367, now seen corresponding path program 1 times [2022-02-20 16:54:28,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:28,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798692263] [2022-02-20 16:54:28,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:28,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:29,115 INFO L290 TraceCheckUtils]: 0: Hoare triple {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1147#true} is VALID [2022-02-20 16:54:29,115 INFO L290 TraceCheckUtils]: 1: Hoare triple {1147#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1147#true} is VALID [2022-02-20 16:54:29,115 INFO L290 TraceCheckUtils]: 2: Hoare triple {1147#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1147#true} is VALID [2022-02-20 16:54:29,115 INFO L290 TraceCheckUtils]: 3: Hoare triple {1147#true} assume true; {1147#true} is VALID [2022-02-20 16:54:29,117 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1147#true} {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:29,140 INFO L290 TraceCheckUtils]: 0: Hoare triple {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1173#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:29,140 INFO L290 TraceCheckUtils]: 1: Hoare triple {1173#(not (= |node_create_~temp~0#1.base| 0))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1173#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:29,141 INFO L290 TraceCheckUtils]: 2: Hoare triple {1173#(not (= |node_create_~temp~0#1.base| 0))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1174#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:29,141 INFO L290 TraceCheckUtils]: 3: Hoare triple {1174#(not (= |node_create_#res#1.base| 0))} assume true; {1174#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:29,142 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1174#(not (= |node_create_#res#1.base| 0))} {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1160#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:29,204 INFO L290 TraceCheckUtils]: 0: Hoare triple {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:29,204 INFO L290 TraceCheckUtils]: 1: Hoare triple {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:29,206 INFO L290 TraceCheckUtils]: 2: Hoare triple {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:29,206 INFO L290 TraceCheckUtils]: 3: Hoare triple {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:29,208 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {1164#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #105#return; {1170#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} is VALID [2022-02-20 16:54:29,208 INFO L290 TraceCheckUtils]: 0: Hoare triple {1147#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(21, 2); {1147#true} is VALID [2022-02-20 16:54:29,209 INFO L290 TraceCheckUtils]: 1: Hoare triple {1147#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,209 INFO L290 TraceCheckUtils]: 2: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,210 INFO L272 TraceCheckUtils]: 3: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:29,214 INFO L290 TraceCheckUtils]: 4: Hoare triple {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1147#true} is VALID [2022-02-20 16:54:29,214 INFO L290 TraceCheckUtils]: 5: Hoare triple {1147#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1147#true} is VALID [2022-02-20 16:54:29,215 INFO L290 TraceCheckUtils]: 6: Hoare triple {1147#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1147#true} is VALID [2022-02-20 16:54:29,216 INFO L290 TraceCheckUtils]: 7: Hoare triple {1147#true} assume true; {1147#true} is VALID [2022-02-20 16:54:29,218 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1147#true} {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,218 INFO L290 TraceCheckUtils]: 9: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,218 INFO L290 TraceCheckUtils]: 10: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,219 INFO L290 TraceCheckUtils]: 11: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,219 INFO L290 TraceCheckUtils]: 12: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:29,220 INFO L272 TraceCheckUtils]: 13: Hoare triple {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:29,221 INFO L290 TraceCheckUtils]: 14: Hoare triple {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1173#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:29,221 INFO L290 TraceCheckUtils]: 15: Hoare triple {1173#(not (= |node_create_~temp~0#1.base| 0))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1173#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:29,223 INFO L290 TraceCheckUtils]: 16: Hoare triple {1173#(not (= |node_create_~temp~0#1.base| 0))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1174#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:29,224 INFO L290 TraceCheckUtils]: 17: Hoare triple {1174#(not (= |node_create_#res#1.base| 0))} assume true; {1174#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:29,224 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1174#(not (= |node_create_#res#1.base| 0))} {1149#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1160#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:29,225 INFO L290 TraceCheckUtils]: 19: Hoare triple {1160#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1161#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:29,225 INFO L290 TraceCheckUtils]: 20: Hoare triple {1161#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {1161#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:29,226 INFO L290 TraceCheckUtils]: 21: Hoare triple {1161#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1162#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:29,226 INFO L290 TraceCheckUtils]: 22: Hoare triple {1162#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume !(dll_create_~len#1 > 0); {1162#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:29,227 INFO L290 TraceCheckUtils]: 23: Hoare triple {1162#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {1163#(and (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:29,227 INFO L290 TraceCheckUtils]: 24: Hoare triple {1163#(and (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {1164#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:29,228 INFO L272 TraceCheckUtils]: 25: Hoare triple {1164#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:29,229 INFO L290 TraceCheckUtils]: 26: Hoare triple {1172#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:29,229 INFO L290 TraceCheckUtils]: 27: Hoare triple {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:29,230 INFO L290 TraceCheckUtils]: 28: Hoare triple {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:29,231 INFO L290 TraceCheckUtils]: 29: Hoare triple {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:29,232 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1176#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {1164#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #105#return; {1170#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} is VALID [2022-02-20 16:54:29,232 INFO L290 TraceCheckUtils]: 31: Hoare triple {1170#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1171#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_#t~mem8#1.base| 0)))} is VALID [2022-02-20 16:54:29,233 INFO L290 TraceCheckUtils]: 32: Hoare triple {1171#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_#t~mem8#1.base| 0)))} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1148#false} is VALID [2022-02-20 16:54:29,233 INFO L290 TraceCheckUtils]: 33: Hoare triple {1148#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {1148#false} is VALID [2022-02-20 16:54:29,233 INFO L290 TraceCheckUtils]: 34: Hoare triple {1148#false} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {1148#false} is VALID [2022-02-20 16:54:29,233 INFO L290 TraceCheckUtils]: 35: Hoare triple {1148#false} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {1148#false} is VALID [2022-02-20 16:54:29,233 INFO L290 TraceCheckUtils]: 36: Hoare triple {1148#false} assume !false; {1148#false} is VALID [2022-02-20 16:54:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 16:54:29,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:29,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798692263] [2022-02-20 16:54:29,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798692263] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:29,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635817976] [2022-02-20 16:54:29,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:29,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:29,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:29,236 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) [2022-02-20 16:54:29,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-20 16:54:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:29,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 32 conjunts are in the unsatisfiable core [2022-02-20 16:54:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:29,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:54:29,722 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 8 treesize of output 4 [2022-02-20 16:54:29,795 WARN L860 $PredicateComparison]: unable to prove that (exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |c_#StackHeapBarrier|) (exists ((v_ArrVal_652 (Array Int Int))) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_652))))) is different from true [2022-02-20 16:54:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:29,890 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 15 treesize of output 17 [2022-02-20 16:54:29,929 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 16 treesize of output 8 [2022-02-20 16:54:29,947 INFO L290 TraceCheckUtils]: 0: Hoare triple {1147#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(21, 2); {1147#true} is VALID [2022-02-20 16:54:29,948 INFO L290 TraceCheckUtils]: 1: Hoare triple {1147#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,948 INFO L290 TraceCheckUtils]: 2: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,948 INFO L272 TraceCheckUtils]: 3: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1147#true} is VALID [2022-02-20 16:54:29,948 INFO L290 TraceCheckUtils]: 4: Hoare triple {1147#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1147#true} is VALID [2022-02-20 16:54:29,948 INFO L290 TraceCheckUtils]: 5: Hoare triple {1147#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1147#true} is VALID [2022-02-20 16:54:29,948 INFO L290 TraceCheckUtils]: 6: Hoare triple {1147#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1147#true} is VALID [2022-02-20 16:54:29,949 INFO L290 TraceCheckUtils]: 7: Hoare triple {1147#true} assume true; {1147#true} is VALID [2022-02-20 16:54:29,949 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1147#true} {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #103#return; {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,950 INFO L290 TraceCheckUtils]: 9: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,950 INFO L290 TraceCheckUtils]: 10: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,951 INFO L290 TraceCheckUtils]: 11: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,951 INFO L290 TraceCheckUtils]: 12: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,951 INFO L272 TraceCheckUtils]: 13: Hoare triple {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1147#true} is VALID [2022-02-20 16:54:29,951 INFO L290 TraceCheckUtils]: 14: Hoare triple {1147#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1173#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:29,952 INFO L290 TraceCheckUtils]: 15: Hoare triple {1173#(not (= |node_create_~temp~0#1.base| 0))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1173#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:29,952 INFO L290 TraceCheckUtils]: 16: Hoare triple {1173#(not (= |node_create_~temp~0#1.base| 0))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1174#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:29,953 INFO L290 TraceCheckUtils]: 17: Hoare triple {1174#(not (= |node_create_#res#1.base| 0))} assume true; {1174#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:29,953 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1174#(not (= |node_create_#res#1.base| 0))} {1183#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #103#return; {1235#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,954 INFO L290 TraceCheckUtils]: 19: Hoare triple {1235#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1239#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:29,955 INFO L290 TraceCheckUtils]: 20: Hoare triple {1239#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {1239#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:29,955 INFO L290 TraceCheckUtils]: 21: Hoare triple {1239#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1246#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,956 INFO L290 TraceCheckUtils]: 22: Hoare triple {1246#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {1246#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,956 INFO L290 TraceCheckUtils]: 23: Hoare triple {1246#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {1253#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:29,958 INFO L290 TraceCheckUtils]: 24: Hoare triple {1253#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {1257#(and (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} is VALID [2022-02-20 16:54:29,958 INFO L272 TraceCheckUtils]: 25: Hoare triple {1257#(and (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {1261#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} is VALID [2022-02-20 16:54:29,959 INFO L290 TraceCheckUtils]: 26: Hoare triple {1261#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:29,959 INFO L290 TraceCheckUtils]: 27: Hoare triple {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:29,961 INFO L290 TraceCheckUtils]: 28: Hoare triple {1175#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1271#(exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_652 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_652) |#memory_$Pointer$.base|))))} is VALID [2022-02-20 16:54:29,963 INFO L290 TraceCheckUtils]: 29: Hoare triple {1271#(exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_652 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_652) |#memory_$Pointer$.base|))))} assume true; {1271#(exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_652 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_652) |#memory_$Pointer$.base|))))} is VALID [2022-02-20 16:54:29,964 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1271#(exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_652 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_652) |#memory_$Pointer$.base|))))} {1257#(and (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} #105#return; {1278#(and (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} is VALID [2022-02-20 16:54:29,965 INFO L290 TraceCheckUtils]: 31: Hoare triple {1278#(and (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1282#(not (= |ULTIMATE.start_dll_append_#t~mem8#1.base| 0))} is VALID [2022-02-20 16:54:29,965 INFO L290 TraceCheckUtils]: 32: Hoare triple {1282#(not (= |ULTIMATE.start_dll_append_#t~mem8#1.base| 0))} assume 0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset;havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1148#false} is VALID [2022-02-20 16:54:29,965 INFO L290 TraceCheckUtils]: 33: Hoare triple {1148#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {1148#false} is VALID [2022-02-20 16:54:29,965 INFO L290 TraceCheckUtils]: 34: Hoare triple {1148#false} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {1148#false} is VALID [2022-02-20 16:54:29,965 INFO L290 TraceCheckUtils]: 35: Hoare triple {1148#false} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {1148#false} is VALID [2022-02-20 16:54:29,965 INFO L290 TraceCheckUtils]: 36: Hoare triple {1148#false} assume !false; {1148#false} is VALID [2022-02-20 16:54:29,966 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 2 not checked. [2022-02-20 16:54:29,966 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:54:30,115 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_655 (Array Int Int)) (|v_node_create_~temp~0#1.base_13| Int)) (or (not (< |v_node_create_~temp~0#1.base_13| |c_#StackHeapBarrier|)) (not (= (select (select (store |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_13| v_ArrVal_655) |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 0)))) is different from false [2022-02-20 16:54:30,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635817976] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:30,116 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:54:30,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 25 [2022-02-20 16:54:30,117 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32581299] [2022-02-20 16:54:30,117 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:54:30,117 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2022-02-20 16:54:30,117 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:30,118 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-02-20 16:54:30,165 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 56 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:30,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-02-20 16:54:30,166 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:30,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-02-20 16:54:30,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=525, Unknown=2, NotChecked=94, Total=702 [2022-02-20 16:54:30,167 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-02-20 16:54:30,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:30,649 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2022-02-20 16:54:30,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-02-20 16:54:30,650 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2022-02-20 16:54:30,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:30,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-02-20 16:54:30,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 42 transitions. [2022-02-20 16:54:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-02-20 16:54:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 42 transitions. [2022-02-20 16:54:30,652 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 42 transitions. [2022-02-20 16:54:30,690 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 42 edges. 42 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:30,690 INFO L225 Difference]: With dead ends: 39 [2022-02-20 16:54:30,690 INFO L226 Difference]: Without dead ends: 32 [2022-02-20 16:54:30,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=142, Invalid=856, Unknown=2, NotChecked=122, Total=1122 [2022-02-20 16:54:30,691 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:30,691 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 146 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 151 Invalid, 0 Unknown, 32 Unchecked, 0.1s Time] [2022-02-20 16:54:30,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-02-20 16:54:30,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-02-20 16:54:30,700 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:30,700 INFO L82 GeneralOperation]: Start isEquivalent. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:30,701 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:30,701 INFO L87 Difference]: Start difference. First operand 32 states. Second operand has 32 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:30,703 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2022-02-20 16:54:30,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-02-20 16:54:30,703 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:30,703 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:30,703 INFO L74 IsIncluded]: Start isIncluded. First operand has 32 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-02-20 16:54:30,703 INFO L87 Difference]: Start difference. First operand has 32 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 32 states. [2022-02-20 16:54:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:30,704 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions. [2022-02-20 16:54:30,704 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-02-20 16:54:30,704 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:30,704 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:30,705 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:30,705 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2022-02-20 16:54:30,706 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 37 [2022-02-20 16:54:30,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:30,706 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2022-02-20 16:54:30,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 2.0869565217391304) internal successors, (48), 19 states have internal predecessors, (48), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2022-02-20 16:54:30,706 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2022-02-20 16:54:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-20 16:54:30,708 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:30,709 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:30,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-20 16:54:30,926 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,SelfDestructingSolverStorable5 [2022-02-20 16:54:30,926 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:30,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:30,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1499731437, now seen corresponding path program 1 times [2022-02-20 16:54:30,926 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:30,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561132607] [2022-02-20 16:54:30,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:30,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:31,177 INFO L290 TraceCheckUtils]: 0: Hoare triple {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1494#true} is VALID [2022-02-20 16:54:31,177 INFO L290 TraceCheckUtils]: 1: Hoare triple {1494#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1494#true} is VALID [2022-02-20 16:54:31,177 INFO L290 TraceCheckUtils]: 2: Hoare triple {1494#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1494#true} is VALID [2022-02-20 16:54:31,177 INFO L290 TraceCheckUtils]: 3: Hoare triple {1494#true} assume true; {1494#true} is VALID [2022-02-20 16:54:31,178 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1494#true} {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:31,248 INFO L290 TraceCheckUtils]: 0: Hoare triple {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:31,248 INFO L290 TraceCheckUtils]: 1: Hoare triple {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:31,249 INFO L290 TraceCheckUtils]: 2: Hoare triple {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} is VALID [2022-02-20 16:54:31,249 INFO L290 TraceCheckUtils]: 3: Hoare triple {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} assume true; {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} is VALID [2022-02-20 16:54:31,250 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1507#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:31,352 INFO L290 TraceCheckUtils]: 0: Hoare triple {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:31,353 INFO L290 TraceCheckUtils]: 1: Hoare triple {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:31,354 INFO L290 TraceCheckUtils]: 2: Hoare triple {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:31,354 INFO L290 TraceCheckUtils]: 3: Hoare triple {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:31,356 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {1511#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} #105#return; {1517#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:54:31,356 INFO L290 TraceCheckUtils]: 0: Hoare triple {1494#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(21, 2); {1494#true} is VALID [2022-02-20 16:54:31,357 INFO L290 TraceCheckUtils]: 1: Hoare triple {1494#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,357 INFO L290 TraceCheckUtils]: 2: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,358 INFO L272 TraceCheckUtils]: 3: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:31,358 INFO L290 TraceCheckUtils]: 4: Hoare triple {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1494#true} is VALID [2022-02-20 16:54:31,358 INFO L290 TraceCheckUtils]: 5: Hoare triple {1494#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1494#true} is VALID [2022-02-20 16:54:31,358 INFO L290 TraceCheckUtils]: 6: Hoare triple {1494#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1494#true} is VALID [2022-02-20 16:54:31,359 INFO L290 TraceCheckUtils]: 7: Hoare triple {1494#true} assume true; {1494#true} is VALID [2022-02-20 16:54:31,359 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1494#true} {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,360 INFO L290 TraceCheckUtils]: 9: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,360 INFO L290 TraceCheckUtils]: 10: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,360 INFO L290 TraceCheckUtils]: 11: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,360 INFO L290 TraceCheckUtils]: 12: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:31,361 INFO L272 TraceCheckUtils]: 13: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:31,362 INFO L290 TraceCheckUtils]: 14: Hoare triple {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:31,362 INFO L290 TraceCheckUtils]: 15: Hoare triple {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:31,363 INFO L290 TraceCheckUtils]: 16: Hoare triple {1523#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_~temp~0#1.base| 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} is VALID [2022-02-20 16:54:31,363 INFO L290 TraceCheckUtils]: 17: Hoare triple {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} assume true; {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} is VALID [2022-02-20 16:54:31,364 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1524#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= |node_create_#res#1.base| 0)))} {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1507#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:31,369 INFO L290 TraceCheckUtils]: 19: Hoare triple {1507#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1508#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:31,369 INFO L290 TraceCheckUtils]: 20: Hoare triple {1508#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {1508#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:31,370 INFO L290 TraceCheckUtils]: 21: Hoare triple {1508#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1509#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:31,370 INFO L290 TraceCheckUtils]: 22: Hoare triple {1509#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume !(dll_create_~len#1 > 0); {1509#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:31,370 INFO L290 TraceCheckUtils]: 23: Hoare triple {1509#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {1510#(and (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:31,371 INFO L290 TraceCheckUtils]: 24: Hoare triple {1510#(and (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {1511#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:31,372 INFO L272 TraceCheckUtils]: 25: Hoare triple {1511#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:31,373 INFO L290 TraceCheckUtils]: 26: Hoare triple {1522#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:31,373 INFO L290 TraceCheckUtils]: 27: Hoare triple {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:31,374 INFO L290 TraceCheckUtils]: 28: Hoare triple {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:31,375 INFO L290 TraceCheckUtils]: 29: Hoare triple {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:31,376 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1526#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {1511#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} #105#return; {1517#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:54:31,377 INFO L290 TraceCheckUtils]: 31: Hoare triple {1517#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1518#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)))} is VALID [2022-02-20 16:54:31,378 INFO L290 TraceCheckUtils]: 32: Hoare triple {1518#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {1519#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:31,378 INFO L290 TraceCheckUtils]: 33: Hoare triple {1519#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {1519#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:31,379 INFO L290 TraceCheckUtils]: 34: Hoare triple {1519#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {1519#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:31,380 INFO L290 TraceCheckUtils]: 35: Hoare triple {1519#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {1520#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 16:54:31,380 INFO L290 TraceCheckUtils]: 36: Hoare triple {1520#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {1521#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:54:31,380 INFO L290 TraceCheckUtils]: 37: Hoare triple {1521#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {1495#false} is VALID [2022-02-20 16:54:31,381 INFO L290 TraceCheckUtils]: 38: Hoare triple {1495#false} assume main_~count~0#1 != 1 + main_~len~0#1; {1495#false} is VALID [2022-02-20 16:54:31,381 INFO L290 TraceCheckUtils]: 39: Hoare triple {1495#false} assume !false; {1495#false} is VALID [2022-02-20 16:54:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-20 16:54:31,381 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:31,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561132607] [2022-02-20 16:54:31,381 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561132607] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:31,381 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661744422] [2022-02-20 16:54:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:31,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:31,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:31,404 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) [2022-02-20 16:54:31,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-20 16:54:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:31,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 38 conjunts are in the unsatisfiable core [2022-02-20 16:54:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:31,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:54:31,863 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 8 treesize of output 4 [2022-02-20 16:54:31,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:31,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2022-02-20 16:54:32,168 INFO L356 Elim1Store]: treesize reduction 31, result has 38.0 percent of original size [2022-02-20 16:54:32,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 41 [2022-02-20 16:54:32,197 INFO L356 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2022-02-20 16:54:32,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 42 [2022-02-20 16:54:32,244 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 9 treesize of output 5 [2022-02-20 16:54:32,273 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 16 treesize of output 8 [2022-02-20 16:54:32,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {1494#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(21, 2); {1494#true} is VALID [2022-02-20 16:54:32,279 INFO L290 TraceCheckUtils]: 1: Hoare triple {1494#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,280 INFO L290 TraceCheckUtils]: 2: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,280 INFO L272 TraceCheckUtils]: 3: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1494#true} is VALID [2022-02-20 16:54:32,280 INFO L290 TraceCheckUtils]: 4: Hoare triple {1494#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1494#true} is VALID [2022-02-20 16:54:32,280 INFO L290 TraceCheckUtils]: 5: Hoare triple {1494#true} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1494#true} is VALID [2022-02-20 16:54:32,280 INFO L290 TraceCheckUtils]: 6: Hoare triple {1494#true} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1494#true} is VALID [2022-02-20 16:54:32,280 INFO L290 TraceCheckUtils]: 7: Hoare triple {1494#true} assume true; {1494#true} is VALID [2022-02-20 16:54:32,284 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1494#true} {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,285 INFO L290 TraceCheckUtils]: 9: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,285 INFO L290 TraceCheckUtils]: 10: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,285 INFO L290 TraceCheckUtils]: 11: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,286 INFO L290 TraceCheckUtils]: 12: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:32,286 INFO L272 TraceCheckUtils]: 13: Hoare triple {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1494#true} is VALID [2022-02-20 16:54:32,286 INFO L290 TraceCheckUtils]: 14: Hoare triple {1494#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1572#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:32,286 INFO L290 TraceCheckUtils]: 15: Hoare triple {1572#(not (= |node_create_~temp~0#1.base| 0))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1572#(not (= |node_create_~temp~0#1.base| 0))} is VALID [2022-02-20 16:54:32,287 INFO L290 TraceCheckUtils]: 16: Hoare triple {1572#(not (= |node_create_~temp~0#1.base| 0))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1579#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:32,287 INFO L290 TraceCheckUtils]: 17: Hoare triple {1579#(not (= |node_create_#res#1.base| 0))} assume true; {1579#(not (= |node_create_#res#1.base| 0))} is VALID [2022-02-20 16:54:32,288 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1579#(not (= |node_create_#res#1.base| 0))} {1496#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {1586#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,289 INFO L290 TraceCheckUtils]: 19: Hoare triple {1586#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1590#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:32,289 INFO L290 TraceCheckUtils]: 20: Hoare triple {1590#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {1590#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:32,290 INFO L290 TraceCheckUtils]: 21: Hoare triple {1590#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1597#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,290 INFO L290 TraceCheckUtils]: 22: Hoare triple {1597#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume !(dll_create_~len#1 > 0); {1597#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,290 INFO L290 TraceCheckUtils]: 23: Hoare triple {1597#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {1604#(and (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,291 INFO L290 TraceCheckUtils]: 24: Hoare triple {1604#(and (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {1608#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,291 INFO L272 TraceCheckUtils]: 25: Hoare triple {1608#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {1612#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} is VALID [2022-02-20 16:54:32,292 INFO L290 TraceCheckUtils]: 26: Hoare triple {1612#(= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:32,292 INFO L290 TraceCheckUtils]: 27: Hoare triple {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} is VALID [2022-02-20 16:54:32,293 INFO L290 TraceCheckUtils]: 28: Hoare triple {1525#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1622#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_892 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_892) |#memory_$Pointer$.base|)))} is VALID [2022-02-20 16:54:32,294 INFO L290 TraceCheckUtils]: 29: Hoare triple {1622#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_892 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_892) |#memory_$Pointer$.base|)))} assume true; {1622#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_892 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_892) |#memory_$Pointer$.base|)))} is VALID [2022-02-20 16:54:32,295 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1622#(and (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (exists ((v_ArrVal_892 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_892) |#memory_$Pointer$.base|)))} {1608#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #105#return; {1629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_#t~ret7#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,296 INFO L290 TraceCheckUtils]: 31: Hoare triple {1629#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_#t~ret7#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1633#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,296 INFO L290 TraceCheckUtils]: 32: Hoare triple {1633#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {1633#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,297 INFO L290 TraceCheckUtils]: 33: Hoare triple {1633#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {1640#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|))} is VALID [2022-02-20 16:54:32,297 INFO L290 TraceCheckUtils]: 34: Hoare triple {1640#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {1644#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:32,298 INFO L290 TraceCheckUtils]: 35: Hoare triple {1644#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (<= (+ 2 |ULTIMATE.start_dll_append_~new_last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.base|))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {1520#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 16:54:32,298 INFO L290 TraceCheckUtils]: 36: Hoare triple {1520#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {1521#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:54:32,299 INFO L290 TraceCheckUtils]: 37: Hoare triple {1521#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {1495#false} is VALID [2022-02-20 16:54:32,299 INFO L290 TraceCheckUtils]: 38: Hoare triple {1495#false} assume main_~count~0#1 != 1 + main_~len~0#1; {1495#false} is VALID [2022-02-20 16:54:32,299 INFO L290 TraceCheckUtils]: 39: Hoare triple {1495#false} assume !false; {1495#false} is VALID [2022-02-20 16:54:32,299 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:54:32,299 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:54:32,741 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_dll_append_#t~ret7#1.base_16| Int) (v_ArrVal_899 (Array Int Int)) (|ULTIMATE.start_dll_append_~last~0#1.offset| Int) (|ULTIMATE.start_dll_append_~last~0#1.base| Int) (v_ArrVal_894 (Array Int Int))) (let ((.cse2 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_16| v_ArrVal_899))) (let ((.cse0 (select .cse2 |ULTIMATE.start_dll_append_~last~0#1.base|)) (.cse1 (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (or (not (< |v_ULTIMATE.start_dll_append_#t~ret7#1.base_16| |c_#StackHeapBarrier|)) (not (= (select .cse0 .cse1) 0)) (not (= (select (select (store (store .cse2 |ULTIMATE.start_dll_append_~last~0#1.base| (store .cse0 .cse1 |v_ULTIMATE.start_dll_append_#t~ret7#1.base_16|)) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_16| v_ArrVal_894) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 0)))))) is different from false [2022-02-20 16:54:32,743 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661744422] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:32,743 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:54:32,743 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 19] total 31 [2022-02-20 16:54:32,743 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453996703] [2022-02-20 16:54:32,743 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:54:32,744 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-02-20 16:54:32,744 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:32,745 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 16:54:32,793 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 61 edges. 61 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:32,793 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-20 16:54:32,793 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:32,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-20 16:54:32,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1077, Unknown=4, NotChecked=66, Total=1260 [2022-02-20 16:54:32,794 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 16:54:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:33,860 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2022-02-20 16:54:33,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-02-20 16:54:33,860 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) Word has length 40 [2022-02-20 16:54:33,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 16:54:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 57 transitions. [2022-02-20 16:54:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 16:54:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 57 transitions. [2022-02-20 16:54:33,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 57 transitions. [2022-02-20 16:54:33,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:33,913 INFO L225 Difference]: With dead ends: 52 [2022-02-20 16:54:33,913 INFO L226 Difference]: Without dead ends: 49 [2022-02-20 16:54:33,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 34 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=246, Invalid=2106, Unknown=4, NotChecked=94, Total=2450 [2022-02-20 16:54:33,914 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 82 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:33,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 193 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 325 Invalid, 0 Unknown, 3 Unchecked, 0.3s Time] [2022-02-20 16:54:33,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-02-20 16:54:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 33. [2022-02-20 16:54:33,927 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:33,927 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:33,927 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:33,928 INFO L87 Difference]: Start difference. First operand 49 states. Second operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:33,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:33,929 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-02-20 16:54:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-02-20 16:54:33,929 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:33,929 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:33,929 INFO L74 IsIncluded]: Start isIncluded. First operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 49 states. [2022-02-20 16:54:33,929 INFO L87 Difference]: Start difference. First operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 49 states. [2022-02-20 16:54:33,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:33,931 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2022-02-20 16:54:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2022-02-20 16:54:33,931 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:33,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:33,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:33,931 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-02-20 16:54:33,932 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 40 [2022-02-20 16:54:33,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:33,933 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-02-20 16:54:33,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 29 states have (on average 1.793103448275862) internal successors, (52), 25 states have internal predecessors, (52), 3 states have call successors, (4), 3 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 3 states have call successors, (5) [2022-02-20 16:54:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2022-02-20 16:54:33,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-02-20 16:54:33,933 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:33,933 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:33,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 16:54:34,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:34,143 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:34,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:34,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1499729763, now seen corresponding path program 1 times [2022-02-20 16:54:34,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:34,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562044574] [2022-02-20 16:54:34,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:34,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:34,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:34,710 INFO L290 TraceCheckUtils]: 0: Hoare triple {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:34,710 INFO L290 TraceCheckUtils]: 1: Hoare triple {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:34,711 INFO L290 TraceCheckUtils]: 2: Hoare triple {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:34,711 INFO L290 TraceCheckUtils]: 3: Hoare triple {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} assume true; {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:34,712 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} {1938#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {1944#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:34,792 INFO L290 TraceCheckUtils]: 0: Hoare triple {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:34,792 INFO L290 TraceCheckUtils]: 1: Hoare triple {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:34,793 INFO L290 TraceCheckUtils]: 2: Hoare triple {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:34,793 INFO L290 TraceCheckUtils]: 3: Hoare triple {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:34,795 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {1946#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {1952#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:34,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:35,033 INFO L290 TraceCheckUtils]: 0: Hoare triple {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:35,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:35,036 INFO L290 TraceCheckUtils]: 2: Hoare triple {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:35,038 INFO L290 TraceCheckUtils]: 3: Hoare triple {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:35,042 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {1957#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} #105#return; {1963#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:54:35,042 INFO L290 TraceCheckUtils]: 0: Hoare triple {1936#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(21, 2); {1936#true} is VALID [2022-02-20 16:54:35,043 INFO L290 TraceCheckUtils]: 1: Hoare triple {1936#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {1938#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,043 INFO L290 TraceCheckUtils]: 2: Hoare triple {1938#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {1938#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,044 INFO L272 TraceCheckUtils]: 3: Hoare triple {1938#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:35,044 INFO L290 TraceCheckUtils]: 4: Hoare triple {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:35,045 INFO L290 TraceCheckUtils]: 5: Hoare triple {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:35,046 INFO L290 TraceCheckUtils]: 6: Hoare triple {1970#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:35,046 INFO L290 TraceCheckUtils]: 7: Hoare triple {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} assume true; {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:35,046 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1971#(= (select |#valid| |node_create_#res#1.base|) 1)} {1938#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {1944#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,047 INFO L290 TraceCheckUtils]: 9: Hoare triple {1944#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1945#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,047 INFO L290 TraceCheckUtils]: 10: Hoare triple {1945#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {1945#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,048 INFO L290 TraceCheckUtils]: 11: Hoare triple {1945#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1946#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,048 INFO L290 TraceCheckUtils]: 12: Hoare triple {1946#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {1946#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:35,049 INFO L272 TraceCheckUtils]: 13: Hoare triple {1946#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:35,049 INFO L290 TraceCheckUtils]: 14: Hoare triple {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:35,049 INFO L290 TraceCheckUtils]: 15: Hoare triple {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:35,050 INFO L290 TraceCheckUtils]: 16: Hoare triple {1972#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:35,050 INFO L290 TraceCheckUtils]: 17: Hoare triple {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:35,051 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {1973#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {1946#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {1952#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:35,052 INFO L290 TraceCheckUtils]: 19: Hoare triple {1952#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {1953#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:35,053 INFO L290 TraceCheckUtils]: 20: Hoare triple {1953#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {1954#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:35,053 INFO L290 TraceCheckUtils]: 21: Hoare triple {1954#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {1955#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:35,054 INFO L290 TraceCheckUtils]: 22: Hoare triple {1955#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {1955#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:35,054 INFO L290 TraceCheckUtils]: 23: Hoare triple {1955#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {1956#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_create_#res#1.base|) |ULTIMATE.start_dll_create_#res#1.offset|) |ULTIMATE.start_main_~data~0#1|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} is VALID [2022-02-20 16:54:35,054 INFO L290 TraceCheckUtils]: 24: Hoare triple {1956#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_create_#res#1.base|) |ULTIMATE.start_dll_create_#res#1.offset|) |ULTIMATE.start_main_~data~0#1|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {1957#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:35,058 INFO L272 TraceCheckUtils]: 25: Hoare triple {1957#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:35,059 INFO L290 TraceCheckUtils]: 26: Hoare triple {1969#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:35,059 INFO L290 TraceCheckUtils]: 27: Hoare triple {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:35,062 INFO L290 TraceCheckUtils]: 28: Hoare triple {1974#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:35,064 INFO L290 TraceCheckUtils]: 29: Hoare triple {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:35,066 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {1975#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {1957#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} #105#return; {1963#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:54:35,067 INFO L290 TraceCheckUtils]: 31: Hoare triple {1963#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {1964#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:35,068 INFO L290 TraceCheckUtils]: 32: Hoare triple {1964#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {1965#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:35,068 INFO L290 TraceCheckUtils]: 33: Hoare triple {1965#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {1965#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:35,069 INFO L290 TraceCheckUtils]: 34: Hoare triple {1965#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {1965#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:35,070 INFO L290 TraceCheckUtils]: 35: Hoare triple {1965#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {1966#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)} is VALID [2022-02-20 16:54:35,070 INFO L290 TraceCheckUtils]: 36: Hoare triple {1966#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {1967#(= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-20 16:54:35,070 INFO L290 TraceCheckUtils]: 37: Hoare triple {1967#(= |ULTIMATE.start_main_~data~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 != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {1968#(= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 16:54:35,071 INFO L290 TraceCheckUtils]: 38: Hoare triple {1968#(= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|)} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {1937#false} is VALID [2022-02-20 16:54:35,071 INFO L290 TraceCheckUtils]: 39: Hoare triple {1937#false} assume !false; {1937#false} is VALID [2022-02-20 16:54:35,071 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:54:35,071 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:35,071 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562044574] [2022-02-20 16:54:35,072 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562044574] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:35,072 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357121985] [2022-02-20 16:54:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:35,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:35,073 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) [2022-02-20 16:54:35,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 16:54:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:35,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-20 16:54:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:35,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:54:35,503 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-02-20 16:54:35,901 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:54:35,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:54:35,971 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 [2022-02-20 16:54:36,041 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:54:36,042 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 44 treesize of output 43 [2022-02-20 16:54:36,356 INFO L356 Elim1Store]: treesize reduction 3, result has 83.3 percent of original size [2022-02-20 16:54:36,357 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 37 [2022-02-20 16:54:36,399 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 11 [2022-02-20 16:54:36,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:54:36,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:36,819 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:54:36,820 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 2 case distinctions, treesize of input 75 treesize of output 67 [2022-02-20 16:54:36,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:36,845 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 66 treesize of output 64 [2022-02-20 16:54:36,879 INFO L356 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2022-02-20 16:54:36,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2022-02-20 16:54:36,992 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 48 treesize of output 36 [2022-02-20 16:54:37,100 INFO L356 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-02-20 16:54:37,101 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2022-02-20 16:54:37,187 INFO L290 TraceCheckUtils]: 0: Hoare triple {1936#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(21, 2); {1936#true} is VALID [2022-02-20 16:54:37,188 INFO L290 TraceCheckUtils]: 1: Hoare triple {1936#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {1982#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,188 INFO L290 TraceCheckUtils]: 2: Hoare triple {1982#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {1982#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,188 INFO L272 TraceCheckUtils]: 3: Hoare triple {1982#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {1936#true} is VALID [2022-02-20 16:54:37,189 INFO L290 TraceCheckUtils]: 4: Hoare triple {1936#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {1992#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:37,189 INFO L290 TraceCheckUtils]: 5: Hoare triple {1992#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {1992#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:37,190 INFO L290 TraceCheckUtils]: 6: Hoare triple {1992#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {1999#(and (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:37,190 INFO L290 TraceCheckUtils]: 7: Hoare triple {1999#(and (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {1999#(and (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:37,191 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {1999#(and (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} {1982#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #103#return; {2006#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,192 INFO L290 TraceCheckUtils]: 9: Hoare triple {2006#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2010#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:37,193 INFO L290 TraceCheckUtils]: 10: Hoare triple {2010#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {2010#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:37,193 INFO L290 TraceCheckUtils]: 11: Hoare triple {2010#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2017#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,193 INFO L290 TraceCheckUtils]: 12: Hoare triple {2017#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {2017#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,194 INFO L272 TraceCheckUtils]: 13: Hoare triple {2017#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2024#(= |old(#valid)| |#valid|)} is VALID [2022-02-20 16:54:37,194 INFO L290 TraceCheckUtils]: 14: Hoare triple {2024#(= |old(#valid)| |#valid|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2028#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:37,195 INFO L290 TraceCheckUtils]: 15: Hoare triple {2028#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2028#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:37,195 INFO L290 TraceCheckUtils]: 16: Hoare triple {2028#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2035#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|))} is VALID [2022-02-20 16:54:37,196 INFO L290 TraceCheckUtils]: 17: Hoare triple {2035#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|))} assume true; {2035#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|))} is VALID [2022-02-20 16:54:37,197 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2035#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|))} {2017#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #103#return; {2042#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,198 INFO L290 TraceCheckUtils]: 19: Hoare triple {2042#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2046#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,199 INFO L290 TraceCheckUtils]: 20: Hoare triple {2046#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {2050#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:54:37,199 INFO L290 TraceCheckUtils]: 21: Hoare triple {2050#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2054#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,200 INFO L290 TraceCheckUtils]: 22: Hoare triple {2054#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {2054#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:54:37,200 INFO L290 TraceCheckUtils]: 23: Hoare triple {2054#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {2061#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)))) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 0)))} is VALID [2022-02-20 16:54:37,201 INFO L290 TraceCheckUtils]: 24: Hoare triple {2061#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)))) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 0)))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {2065#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) 1) (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 1))} is VALID [2022-02-20 16:54:37,202 INFO L272 TraceCheckUtils]: 25: Hoare triple {2065#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) 1) (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 1))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {2069#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:37,202 INFO L290 TraceCheckUtils]: 26: Hoare triple {2069#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2073#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:37,203 INFO L290 TraceCheckUtils]: 27: Hoare triple {2073#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2073#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:37,204 INFO L290 TraceCheckUtils]: 28: Hoare triple {2073#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2080#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1141 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_1141))) (exists ((v_ArrVal_1142 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_1142))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:54:37,205 INFO L290 TraceCheckUtils]: 29: Hoare triple {2080#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1141 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_1141))) (exists ((v_ArrVal_1142 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_1142))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} assume true; {2080#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1141 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_1141))) (exists ((v_ArrVal_1142 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_1142))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:54:37,207 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2080#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1141 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_1141))) (exists ((v_ArrVal_1142 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_1142))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} {2065#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) 1) (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 1))} #105#return; {2087#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)))} is VALID [2022-02-20 16:54:37,207 INFO L290 TraceCheckUtils]: 31: Hoare triple {2087#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {2087#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)))} is VALID [2022-02-20 16:54:37,208 INFO L290 TraceCheckUtils]: 32: Hoare triple {2087#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {2094#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0))))} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 33: Hoare triple {2094#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2098#(not (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0))} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 34: Hoare triple {2098#(not (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {1937#false} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 35: Hoare triple {1937#false} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {1937#false} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 36: Hoare triple {1937#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {1937#false} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 37: Hoare triple {1937#false} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {1937#false} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 38: Hoare triple {1937#false} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {1937#false} is VALID [2022-02-20 16:54:37,209 INFO L290 TraceCheckUtils]: 39: Hoare triple {1937#false} assume !false; {1937#false} is VALID [2022-02-20 16:54:37,210 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:54:37,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:54:37,457 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_node_create_~temp~0#1.base_19| Int) (v_ArrVal_1148 (Array Int Int)) (v_ArrVal_1147 (Array Int Int))) (or (not (< |v_node_create_~temp~0#1.base_19| |c_#StackHeapBarrier|)) (not (= (select |c_#valid| |v_node_create_~temp~0#1.base_19|) 0)) (not (= (select (let ((.cse0 (store |c_#memory_$Pointer$.base| |v_node_create_~temp~0#1.base_19| v_ArrVal_1148))) (select .cse0 (select (select .cse0 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.offset| |v_node_create_~temp~0#1.base_19| v_ArrVal_1147) |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0)))) is different from false [2022-02-20 16:54:37,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357121985] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:37,458 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:54:37,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23] total 46 [2022-02-20 16:54:37,459 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136296930] [2022-02-20 16:54:37,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:54:37,459 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 40 [2022-02-20 16:54:37,460 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:37,460 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:37,532 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:37,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-02-20 16:54:37,532 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:37,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-02-20 16:54:37,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=2127, Unknown=4, NotChecked=92, Total=2352 [2022-02-20 16:54:37,533 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:40,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:40,667 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2022-02-20 16:54:40,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 16:54:40,668 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 40 [2022-02-20 16:54:40,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 73 transitions. [2022-02-20 16:54:40,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:40,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 73 transitions. [2022-02-20 16:54:40,670 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 73 transitions. [2022-02-20 16:54:40,768 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:40,770 INFO L225 Difference]: With dead ends: 62 [2022-02-20 16:54:40,770 INFO L226 Difference]: Without dead ends: 37 [2022-02-20 16:54:40,771 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=288, Invalid=3617, Unknown=5, NotChecked=122, Total=4032 [2022-02-20 16:54:40,771 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 44 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:40,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 365 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 513 Invalid, 0 Unknown, 45 Unchecked, 0.5s Time] [2022-02-20 16:54:40,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-02-20 16:54:40,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2022-02-20 16:54:40,788 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:40,788 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand has 35 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:40,794 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand has 35 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:40,796 INFO L87 Difference]: Start difference. First operand 37 states. Second operand has 35 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:40,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:40,798 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-02-20 16:54:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-02-20 16:54:40,798 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:40,798 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:40,798 INFO L74 IsIncluded]: Start isIncluded. First operand has 35 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 37 states. [2022-02-20 16:54:40,798 INFO L87 Difference]: Start difference. First operand has 35 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 37 states. [2022-02-20 16:54:40,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:40,801 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-02-20 16:54:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-02-20 16:54:40,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:40,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:40,801 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:40,801 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:40,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2022-02-20 16:54:40,803 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 40 [2022-02-20 16:54:40,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:40,803 INFO L470 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2022-02-20 16:54:40,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 44 states have (on average 1.5) internal successors, (66), 38 states have internal predecessors, (66), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:40,805 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2022-02-20 16:54:40,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-02-20 16:54:40,805 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:40,806 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:40,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 16:54:41,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:41,024 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:41,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1422189688, now seen corresponding path program 1 times [2022-02-20 16:54:41,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:41,025 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371157051] [2022-02-20 16:54:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:41,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:41,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:41,751 INFO L290 TraceCheckUtils]: 0: Hoare triple {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:41,752 INFO L290 TraceCheckUtils]: 1: Hoare triple {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:41,752 INFO L290 TraceCheckUtils]: 2: Hoare triple {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:41,753 INFO L290 TraceCheckUtils]: 3: Hoare triple {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} assume true; {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:41,753 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} {2389#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {2395#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:41,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:41,828 INFO L290 TraceCheckUtils]: 0: Hoare triple {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:41,828 INFO L290 TraceCheckUtils]: 1: Hoare triple {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:41,829 INFO L290 TraceCheckUtils]: 2: Hoare triple {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:41,830 INFO L290 TraceCheckUtils]: 3: Hoare triple {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:41,831 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} {2397#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {2403#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:42,099 INFO L290 TraceCheckUtils]: 0: Hoare triple {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:42,100 INFO L290 TraceCheckUtils]: 1: Hoare triple {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:42,103 INFO L290 TraceCheckUtils]: 2: Hoare triple {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:42,105 INFO L290 TraceCheckUtils]: 3: Hoare triple {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:42,109 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {2408#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} #105#return; {2414#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:54:42,109 INFO L290 TraceCheckUtils]: 0: Hoare triple {2387#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(21, 2); {2387#true} is VALID [2022-02-20 16:54:42,110 INFO L290 TraceCheckUtils]: 1: Hoare triple {2387#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {2389#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,111 INFO L290 TraceCheckUtils]: 2: Hoare triple {2389#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {2389#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,111 INFO L272 TraceCheckUtils]: 3: Hoare triple {2389#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:42,112 INFO L290 TraceCheckUtils]: 4: Hoare triple {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:42,112 INFO L290 TraceCheckUtils]: 5: Hoare triple {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} is VALID [2022-02-20 16:54:42,113 INFO L290 TraceCheckUtils]: 6: Hoare triple {2424#(= 1 (select |#valid| |node_create_~temp~0#1.base|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:42,113 INFO L290 TraceCheckUtils]: 7: Hoare triple {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} assume true; {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} is VALID [2022-02-20 16:54:42,114 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2425#(= (select |#valid| |node_create_#res#1.base|) 1)} {2389#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {2395#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,115 INFO L290 TraceCheckUtils]: 9: Hoare triple {2395#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2396#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,115 INFO L290 TraceCheckUtils]: 10: Hoare triple {2396#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {2396#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,116 INFO L290 TraceCheckUtils]: 11: Hoare triple {2396#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2397#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,116 INFO L290 TraceCheckUtils]: 12: Hoare triple {2397#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {2397#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,117 INFO L272 TraceCheckUtils]: 13: Hoare triple {2397#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:42,118 INFO L290 TraceCheckUtils]: 14: Hoare triple {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:42,118 INFO L290 TraceCheckUtils]: 15: Hoare triple {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:42,119 INFO L290 TraceCheckUtils]: 16: Hoare triple {2426#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:42,119 INFO L290 TraceCheckUtils]: 17: Hoare triple {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:42,120 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2427#(and (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} {2397#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {2403#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:42,122 INFO L290 TraceCheckUtils]: 19: Hoare triple {2403#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2404#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:42,123 INFO L290 TraceCheckUtils]: 20: Hoare triple {2404#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {2405#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:42,123 INFO L290 TraceCheckUtils]: 21: Hoare triple {2405#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2406#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:42,124 INFO L290 TraceCheckUtils]: 22: Hoare triple {2406#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {2406#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:42,124 INFO L290 TraceCheckUtils]: 23: Hoare triple {2406#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {2407#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_create_#res#1.base|) |ULTIMATE.start_dll_create_#res#1.offset|) |ULTIMATE.start_main_~data~0#1|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} is VALID [2022-02-20 16:54:42,125 INFO L290 TraceCheckUtils]: 24: Hoare triple {2407#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_create_#res#1.base|) |ULTIMATE.start_dll_create_#res#1.offset|) |ULTIMATE.start_main_~data~0#1|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {2408#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:42,126 INFO L272 TraceCheckUtils]: 25: Hoare triple {2408#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:42,127 INFO L290 TraceCheckUtils]: 26: Hoare triple {2423#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:42,127 INFO L290 TraceCheckUtils]: 27: Hoare triple {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:54:42,130 INFO L290 TraceCheckUtils]: 28: Hoare triple {2428#(and (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:42,132 INFO L290 TraceCheckUtils]: 29: Hoare triple {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:42,136 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2429#(and (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (not (= (select |old(#valid)| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (not (= (select |old(#valid)| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 1))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_int)| |#memory_int|)) 1)) (= |#memory_int| |old(#memory_int)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {2408#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} #105#return; {2414#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:54:42,137 INFO L290 TraceCheckUtils]: 31: Hoare triple {2414#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {2415#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:42,138 INFO L290 TraceCheckUtils]: 32: Hoare triple {2415#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {2416#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:42,139 INFO L290 TraceCheckUtils]: 33: Hoare triple {2416#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2416#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:42,140 INFO L290 TraceCheckUtils]: 34: Hoare triple {2416#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {2417#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)) (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))))))} is VALID [2022-02-20 16:54:42,141 INFO L290 TraceCheckUtils]: 35: Hoare triple {2417#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)) (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2418#(or (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0)))) (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)))} is VALID [2022-02-20 16:54:42,142 INFO L290 TraceCheckUtils]: 36: Hoare triple {2418#(or (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0)))) (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {2419#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)) (and (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 16:54:42,143 INFO L290 TraceCheckUtils]: 37: Hoare triple {2419#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)) (and (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {2420#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)} is VALID [2022-02-20 16:54:42,144 INFO L290 TraceCheckUtils]: 38: Hoare triple {2420#(= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_main_~data~0#1|)} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {2421#(= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-20 16:54:42,144 INFO L290 TraceCheckUtils]: 39: Hoare triple {2421#(= |ULTIMATE.start_main_~data~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 != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {2422#(= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 16:54:42,144 INFO L290 TraceCheckUtils]: 40: Hoare triple {2422#(= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|)} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {2388#false} is VALID [2022-02-20 16:54:42,144 INFO L290 TraceCheckUtils]: 41: Hoare triple {2388#false} assume !false; {2388#false} is VALID [2022-02-20 16:54:42,145 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:54:42,145 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:42,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371157051] [2022-02-20 16:54:42,145 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371157051] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:42,145 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965887585] [2022-02-20 16:54:42,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:42,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:42,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:42,153 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) [2022-02-20 16:54:42,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 16:54:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:42,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 136 conjunts are in the unsatisfiable core [2022-02-20 16:54:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:42,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:54:42,644 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 [2022-02-20 16:54:42,972 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 5 treesize of output 3 [2022-02-20 16:54:43,104 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 [2022-02-20 16:54:43,229 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:54:43,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:54:43,356 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 [2022-02-20 16:54:43,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:43,371 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 24 treesize of output 20 [2022-02-20 16:54:43,477 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:54:43,477 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 55 treesize of output 52 [2022-02-20 16:54:43,486 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 [2022-02-20 16:54:44,015 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:54:44,015 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 35 [2022-02-20 16:54:44,097 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:54:44,159 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 7 treesize of output 3 [2022-02-20 16:54:44,179 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-02-20 16:54:44,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:44,401 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 [2022-02-20 16:54:44,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:44,414 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:54:44,415 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 2 case distinctions, treesize of input 86 treesize of output 72 [2022-02-20 16:54:44,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:44,423 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 [2022-02-20 16:54:44,437 INFO L356 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-02-20 16:54:44,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 30 [2022-02-20 16:54:45,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:54:45,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:45,279 INFO L356 Elim1Store]: treesize reduction 157, result has 13.3 percent of original size [2022-02-20 16:54:45,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 212 treesize of output 106 [2022-02-20 16:54:45,327 INFO L356 Elim1Store]: treesize reduction 66, result has 19.5 percent of original size [2022-02-20 16:54:45,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 294 treesize of output 185 [2022-02-20 16:54:45,365 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-02-20 16:54:45,366 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 198 [2022-02-20 16:54:45,387 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:54:45,387 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 209 treesize of output 196 [2022-02-20 16:54:45,428 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 59 [2022-02-20 16:54:45,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:45,623 INFO L356 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2022-02-20 16:54:45,623 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 48 [2022-02-20 16:54:45,666 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 [2022-02-20 16:54:45,725 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-02-20 16:54:45,757 INFO L290 TraceCheckUtils]: 0: Hoare triple {2387#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(21, 2); {2387#true} is VALID [2022-02-20 16:54:45,758 INFO L290 TraceCheckUtils]: 1: Hoare triple {2387#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {2436#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,758 INFO L290 TraceCheckUtils]: 2: Hoare triple {2436#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {2436#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,758 INFO L272 TraceCheckUtils]: 3: Hoare triple {2436#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2387#true} is VALID [2022-02-20 16:54:45,759 INFO L290 TraceCheckUtils]: 4: Hoare triple {2387#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2446#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:45,759 INFO L290 TraceCheckUtils]: 5: Hoare triple {2446#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2446#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:45,760 INFO L290 TraceCheckUtils]: 6: Hoare triple {2446#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2453#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:45,760 INFO L290 TraceCheckUtils]: 7: Hoare triple {2453#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2453#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:45,761 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2453#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {2436#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {2460#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,761 INFO L290 TraceCheckUtils]: 9: Hoare triple {2460#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2464#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,762 INFO L290 TraceCheckUtils]: 10: Hoare triple {2464#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {2464#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,762 INFO L290 TraceCheckUtils]: 11: Hoare triple {2464#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2471#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,763 INFO L290 TraceCheckUtils]: 12: Hoare triple {2471#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {2471#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,764 INFO L272 TraceCheckUtils]: 13: Hoare triple {2471#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2478#(= |old(#valid)| |#valid|)} is VALID [2022-02-20 16:54:45,764 INFO L290 TraceCheckUtils]: 14: Hoare triple {2478#(= |old(#valid)| |#valid|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2482#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |node_create_~data#1| |node_create_#in~data#1|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:45,765 INFO L290 TraceCheckUtils]: 15: Hoare triple {2482#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |node_create_~data#1| |node_create_#in~data#1|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2482#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |node_create_~data#1| |node_create_#in~data#1|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:45,765 INFO L290 TraceCheckUtils]: 16: Hoare triple {2482#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |node_create_~data#1| |node_create_#in~data#1|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2489#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= (select (select |#memory_int| |node_create_#res#1.base|) |node_create_#res#1.offset|) |node_create_#in~data#1|) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:54:45,766 INFO L290 TraceCheckUtils]: 17: Hoare triple {2489#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= (select (select |#memory_int| |node_create_#res#1.base|) |node_create_#res#1.offset|) |node_create_#in~data#1|) (= 0 |node_create_#res#1.offset|))} assume true; {2489#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= (select (select |#memory_int| |node_create_#res#1.base|) |node_create_#res#1.offset|) |node_create_#in~data#1|) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:54:45,767 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2489#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= (select (select |#memory_int| |node_create_#res#1.base|) |node_create_#res#1.offset|) |node_create_#in~data#1|) (= 0 |node_create_#res#1.offset|))} {2471#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {2496#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_dll_create_~data#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 0)) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:45,768 INFO L290 TraceCheckUtils]: 19: Hoare triple {2496#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_dll_create_~data#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 0)) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2500#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:45,769 INFO L290 TraceCheckUtils]: 20: Hoare triple {2500#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {2504#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:54:45,770 INFO L290 TraceCheckUtils]: 21: Hoare triple {2504#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2508#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |#StackHeapBarrier|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:45,770 INFO L290 TraceCheckUtils]: 22: Hoare triple {2508#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |#StackHeapBarrier|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {2508#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |#StackHeapBarrier|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:45,771 INFO L290 TraceCheckUtils]: 23: Hoare triple {2508#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |#StackHeapBarrier|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {2515#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_#res#1.base|) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (< |ULTIMATE.start_dll_create_#res#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} is VALID [2022-02-20 16:54:45,772 INFO L290 TraceCheckUtils]: 24: Hoare triple {2515#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_#res#1.base|) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (< |ULTIMATE.start_dll_create_#res#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {2519#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,773 INFO L272 TraceCheckUtils]: 25: Hoare triple {2519#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {2523#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:45,773 INFO L290 TraceCheckUtils]: 26: Hoare triple {2523#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2527#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:45,773 INFO L290 TraceCheckUtils]: 27: Hoare triple {2527#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2527#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:45,776 WARN L290 TraceCheckUtils]: 28: Hoare triple {2527#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2534#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1399 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1399))) (exists ((v_ArrVal_1397 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1397))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1396 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1396) |#memory_$Pointer$.base|)))} is UNKNOWN [2022-02-20 16:54:45,777 INFO L290 TraceCheckUtils]: 29: Hoare triple {2534#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1399 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1399))) (exists ((v_ArrVal_1397 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1397))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1396 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1396) |#memory_$Pointer$.base|)))} assume true; {2534#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1399 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1399))) (exists ((v_ArrVal_1397 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1397))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1396 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1396) |#memory_$Pointer$.base|)))} is VALID [2022-02-20 16:54:45,779 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2534#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1399 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1399))) (exists ((v_ArrVal_1397 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1397))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1396 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1396) |#memory_$Pointer$.base|)))} {2519#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} #105#return; {2541#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,780 INFO L290 TraceCheckUtils]: 31: Hoare triple {2541#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {2545#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,780 INFO L290 TraceCheckUtils]: 32: Hoare triple {2545#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {2549#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,781 INFO L290 TraceCheckUtils]: 33: Hoare triple {2549#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2549#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,782 INFO L290 TraceCheckUtils]: 34: Hoare triple {2549#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {2556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} is VALID [2022-02-20 16:54:45,783 INFO L290 TraceCheckUtils]: 35: Hoare triple {2556#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2560#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} is VALID [2022-02-20 16:54:45,783 INFO L290 TraceCheckUtils]: 36: Hoare triple {2560#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {2564#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} is VALID [2022-02-20 16:54:45,786 INFO L290 TraceCheckUtils]: 37: Hoare triple {2564#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {2568#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|ULTIMATE.start_dll_append_~last~0#1.offset| Int)) (and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,787 INFO L290 TraceCheckUtils]: 38: Hoare triple {2568#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|ULTIMATE.start_dll_append_~last~0#1.offset| Int)) (and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) |ULTIMATE.start_main_~data~0#1|))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {2572#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:45,787 INFO L290 TraceCheckUtils]: 39: Hoare triple {2572#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0) |ULTIMATE.start_main_~data~0#1|))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {2576#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~data~0#1| 1))} is VALID [2022-02-20 16:54:45,788 INFO L290 TraceCheckUtils]: 40: Hoare triple {2576#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~data~0#1| 1))} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {2388#false} is VALID [2022-02-20 16:54:45,788 INFO L290 TraceCheckUtils]: 41: Hoare triple {2388#false} assume !false; {2388#false} is VALID [2022-02-20 16:54:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:54:45,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:54:45,816 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1406 (Array Int Int)) (v_ArrVal_1407 Int) (v_ArrVal_1404 (Array Int Int)) (v_ArrVal_1403 (Array Int Int)) (v_ArrVal_1402 (Array Int Int))) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse0 (+ |c_ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_append_~last~0#1.base| v_ArrVal_1403) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1402) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse0 |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1404) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse0 v_ArrVal_1407)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1406) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))) is different from false [2022-02-20 16:54:46,201 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1406 (Array Int Int)) (v_ArrVal_1407 Int) (v_ArrVal_1404 (Array Int Int)) (v_ArrVal_1403 (Array Int Int)) (v_ArrVal_1402 (Array Int Int)) (|v_ULTIMATE.start_dll_append_~last~0#1.offset_12| Int)) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_append_~last~0#1.offset| 4)))) (let ((.cse0 (select |c_#memory_$Pointer$.base| .cse2)) (.cse1 (+ |v_ULTIMATE.start_dll_append_~last~0#1.offset_12| 4))) (or (not (= (select .cse0 .cse1) 0)) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store |c_#memory_int| .cse2 v_ArrVal_1403) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1402) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 (store .cse0 .cse1 |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1404) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse1 v_ArrVal_1407)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1406) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|))))))) is different from false [2022-02-20 16:54:46,351 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1406 (Array Int Int)) (v_ArrVal_1407 Int) (v_ArrVal_1404 (Array Int Int)) (v_ArrVal_1403 (Array Int Int)) (v_ArrVal_1402 (Array Int Int)) (|v_ULTIMATE.start_dll_append_~last~0#1.offset_12| Int)) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4)))) (let ((.cse0 (select |c_#memory_$Pointer$.base| .cse2)) (.cse1 (+ |v_ULTIMATE.start_dll_append_~last~0#1.offset_12| 4))) (or (not (= (select .cse0 .cse1) 0)) (= (select (select (store (store |c_#memory_int| .cse2 v_ArrVal_1403) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1402) (select (select (store (store |c_#memory_$Pointer$.base| .cse2 (store .cse0 .cse1 |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1404) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse1 v_ArrVal_1407)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1406) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) |c_ULTIMATE.start_main_~data~0#1|))))) is different from false [2022-02-20 16:54:46,874 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1406 (Array Int Int)) (v_ArrVal_1407 Int) (v_ArrVal_1404 (Array Int Int)) (v_ArrVal_1403 (Array Int Int)) (v_ArrVal_1402 (Array Int Int)) (|v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| Int) (v_ArrVal_1421 (Array Int Int)) (v_ArrVal_1420 (Array Int Int)) (|v_ULTIMATE.start_dll_append_~last~0#1.offset_12| Int) (v_ArrVal_1419 (Array Int Int))) (let ((.cse3 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_1420)) (.cse4 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_1419))) (let ((.cse2 (select (select .cse3 (select (select .cse3 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select .cse4 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4)))) (let ((.cse0 (select .cse3 .cse2)) (.cse1 (+ |v_ULTIMATE.start_dll_append_~last~0#1.offset_12| 4))) (or (not (= (select |c_#valid| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23|) 0)) (not (= 0 (select .cse0 .cse1))) (= (select (select (store (store (store |c_#memory_int| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_1421) .cse2 v_ArrVal_1403) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_1402) (select (select (store (store .cse3 .cse2 (store .cse0 .cse1 |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23|)) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_1404) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (select (select (store (store .cse4 .cse2 (store (select .cse4 .cse2) .cse1 v_ArrVal_1407)) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| v_ArrVal_1406) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) |c_ULTIMATE.start_main_~data~0#1|) (not (< |v_ULTIMATE.start_dll_append_#t~ret7#1.base_23| |c_#StackHeapBarrier|))))))) is different from false [2022-02-20 16:54:46,876 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965887585] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:46,876 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:54:46,876 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29] total 55 [2022-02-20 16:54:46,876 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275830202] [2022-02-20 16:54:46,877 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:54:46,878 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 42 [2022-02-20 16:54:46,878 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:46,878 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:46,972 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 81 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:46,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-02-20 16:54:46,973 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:46,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-02-20 16:54:46,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=3110, Unknown=6, NotChecked=460, Total=3782 [2022-02-20 16:54:46,974 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:49,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:49,790 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2022-02-20 16:54:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-02-20 16:54:49,791 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 42 [2022-02-20 16:54:49,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 50 transitions. [2022-02-20 16:54:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 50 transitions. [2022-02-20 16:54:49,793 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 50 transitions. [2022-02-20 16:54:49,855 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 49 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:49,856 INFO L225 Difference]: With dead ends: 44 [2022-02-20 16:54:49,856 INFO L226 Difference]: Without dead ends: 42 [2022-02-20 16:54:49,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 1233 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=359, Invalid=4621, Unknown=6, NotChecked=564, Total=5550 [2022-02-20 16:54:49,857 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 41 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:49,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 336 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 762 Invalid, 0 Unknown, 60 Unchecked, 0.9s Time] [2022-02-20 16:54:49,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-02-20 16:54:49,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2022-02-20 16:54:49,887 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:49,887 INFO L82 GeneralOperation]: Start isEquivalent. First operand 42 states. Second operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:49,887 INFO L74 IsIncluded]: Start isIncluded. First operand 42 states. Second operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:49,887 INFO L87 Difference]: Start difference. First operand 42 states. Second operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:49,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:49,889 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-02-20 16:54:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-02-20 16:54:49,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:49,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:49,889 INFO L74 IsIncluded]: Start isIncluded. First operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-02-20 16:54:49,889 INFO L87 Difference]: Start difference. First operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 42 states. [2022-02-20 16:54:49,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:49,890 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-02-20 16:54:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2022-02-20 16:54:49,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:49,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:49,891 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:49,891 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-02-20 16:54:49,892 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 42 [2022-02-20 16:54:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:49,892 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-02-20 16:54:49,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 53 states have (on average 1.320754716981132) internal successors, (70), 46 states have internal predecessors, (70), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-02-20 16:54:49,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 16:54:49,893 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:49,893 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:49,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-20 16:54:50,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:50,115 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:50,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:50,116 INFO L85 PathProgramCache]: Analyzing trace with hash 924723017, now seen corresponding path program 1 times [2022-02-20 16:54:50,116 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:50,116 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957056695] [2022-02-20 16:54:50,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:50,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:50,798 INFO L290 TraceCheckUtils]: 0: Hoare triple {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} is VALID [2022-02-20 16:54:50,799 INFO L290 TraceCheckUtils]: 1: Hoare triple {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} is VALID [2022-02-20 16:54:50,800 INFO L290 TraceCheckUtils]: 2: Hoare triple {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:50,800 INFO L290 TraceCheckUtils]: 3: Hoare triple {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:50,801 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} {2854#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {2860#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1))} is VALID [2022-02-20 16:54:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:50,887 INFO L290 TraceCheckUtils]: 0: Hoare triple {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:50,887 INFO L290 TraceCheckUtils]: 1: Hoare triple {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:50,888 INFO L290 TraceCheckUtils]: 2: Hoare triple {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:50,889 INFO L290 TraceCheckUtils]: 3: Hoare triple {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:50,890 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} {2862#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #103#return; {2868#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:54:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:51,054 INFO L290 TraceCheckUtils]: 0: Hoare triple {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:51,055 INFO L290 TraceCheckUtils]: 1: Hoare triple {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:51,056 INFO L290 TraceCheckUtils]: 2: Hoare triple {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:51,057 INFO L290 TraceCheckUtils]: 3: Hoare triple {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:51,060 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {2873#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} #105#return; {2879#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_dll_append_#t~ret7#1.offset| 0))} is VALID [2022-02-20 16:54:51,060 INFO L290 TraceCheckUtils]: 0: Hoare triple {2852#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(21, 2); {2852#true} is VALID [2022-02-20 16:54:51,061 INFO L290 TraceCheckUtils]: 1: Hoare triple {2852#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {2854#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:51,061 INFO L290 TraceCheckUtils]: 2: Hoare triple {2854#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} assume !!(dll_create_~len#1 > 0); {2854#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} is VALID [2022-02-20 16:54:51,062 INFO L272 TraceCheckUtils]: 3: Hoare triple {2854#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:51,062 INFO L290 TraceCheckUtils]: 4: Hoare triple {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} is VALID [2022-02-20 16:54:51,063 INFO L290 TraceCheckUtils]: 5: Hoare triple {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} is VALID [2022-02-20 16:54:51,064 INFO L290 TraceCheckUtils]: 6: Hoare triple {2889#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (or (not (<= |node_create_~temp~0#1.base| 0)) (<= (+ |node_create_~temp~0#1.base| 1) 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:51,064 INFO L290 TraceCheckUtils]: 7: Hoare triple {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:51,065 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2890#(and (or (<= (+ |node_create_#res#1.base| 1) 0) (<= 1 |node_create_#res#1.base|)) (= (select |#valid| |node_create_#res#1.base|) 1))} {2854#(<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|)} #103#return; {2860#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1))} is VALID [2022-02-20 16:54:51,066 INFO L290 TraceCheckUtils]: 9: Hoare triple {2860#(and (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2861#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:51,066 INFO L290 TraceCheckUtils]: 10: Hoare triple {2861#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {2861#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:51,066 INFO L290 TraceCheckUtils]: 11: Hoare triple {2861#(and (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2862#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:51,067 INFO L290 TraceCheckUtils]: 12: Hoare triple {2862#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume !!(dll_create_~len#1 > 0); {2862#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:51,068 INFO L272 TraceCheckUtils]: 13: Hoare triple {2862#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:51,068 INFO L290 TraceCheckUtils]: 14: Hoare triple {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:51,069 INFO L290 TraceCheckUtils]: 15: Hoare triple {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:51,069 INFO L290 TraceCheckUtils]: 16: Hoare triple {2891#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:51,070 INFO L290 TraceCheckUtils]: 17: Hoare triple {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:51,071 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2892#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (= (select |#valid| |node_create_#res#1.base|) 1))} {2862#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #103#return; {2868#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:54:51,072 INFO L290 TraceCheckUtils]: 19: Hoare triple {2868#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2869#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:51,073 INFO L290 TraceCheckUtils]: 20: Hoare triple {2869#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {2870#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:51,073 INFO L290 TraceCheckUtils]: 21: Hoare triple {2870#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2871#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:51,074 INFO L290 TraceCheckUtils]: 22: Hoare triple {2871#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {2871#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:51,074 INFO L290 TraceCheckUtils]: 23: Hoare triple {2871#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {2872#(and (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0)) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} is VALID [2022-02-20 16:54:51,075 INFO L290 TraceCheckUtils]: 24: Hoare triple {2872#(and (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0)) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {2873#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:51,076 INFO L272 TraceCheckUtils]: 25: Hoare triple {2873#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:51,077 INFO L290 TraceCheckUtils]: 26: Hoare triple {2888#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:51,077 INFO L290 TraceCheckUtils]: 27: Hoare triple {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:51,079 INFO L290 TraceCheckUtils]: 28: Hoare triple {2893#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:51,080 INFO L290 TraceCheckUtils]: 29: Hoare triple {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:51,082 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2894#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= 0 |node_create_#res#1.offset|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {2873#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} #105#return; {2879#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_dll_append_#t~ret7#1.offset| 0))} is VALID [2022-02-20 16:54:51,083 INFO L290 TraceCheckUtils]: 31: Hoare triple {2879#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_dll_append_#t~ret7#1.offset| 0))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {2880#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:51,084 INFO L290 TraceCheckUtils]: 32: Hoare triple {2880#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0)))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {2881#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} is VALID [2022-02-20 16:54:51,085 INFO L290 TraceCheckUtils]: 33: Hoare triple {2881#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2881#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} is VALID [2022-02-20 16:54:51,086 INFO L290 TraceCheckUtils]: 34: Hoare triple {2881#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {2882#(or (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))))) (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))))} is VALID [2022-02-20 16:54:51,087 INFO L290 TraceCheckUtils]: 35: Hoare triple {2882#(or (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))))) (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {2883#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))) (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0)))))} is VALID [2022-02-20 16:54:51,088 INFO L290 TraceCheckUtils]: 36: Hoare triple {2883#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))) (and (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (or (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~new_last~0#1.offset| 0)) (or (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0)))))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {2884#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 16:54:51,089 INFO L290 TraceCheckUtils]: 37: Hoare triple {2884#(or (and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)) (not (= |ULTIMATE.start_main_~#s~0#1.offset| (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {2885#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:51,090 INFO L290 TraceCheckUtils]: 38: Hoare triple {2885#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {2886#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) 4))} is VALID [2022-02-20 16:54:51,090 INFO L290 TraceCheckUtils]: 39: Hoare triple {2886#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) 4))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {2886#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) 4))} is VALID [2022-02-20 16:54:51,093 INFO L290 TraceCheckUtils]: 40: Hoare triple {2886#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) 4))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {2887#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:54:51,097 INFO L290 TraceCheckUtils]: 41: Hoare triple {2887#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {2853#false} is VALID [2022-02-20 16:54:51,097 INFO L290 TraceCheckUtils]: 42: Hoare triple {2853#false} assume main_~count~0#1 != 1 + main_~len~0#1; {2853#false} is VALID [2022-02-20 16:54:51,097 INFO L290 TraceCheckUtils]: 43: Hoare triple {2853#false} assume !false; {2853#false} is VALID [2022-02-20 16:54:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:54:51,097 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:51,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957056695] [2022-02-20 16:54:51,097 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957056695] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:51,097 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79925700] [2022-02-20 16:54:51,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:51,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:51,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:51,108 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) [2022-02-20 16:54:51,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 16:54:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:51,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 94 conjunts are in the unsatisfiable core [2022-02-20 16:54:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:51,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:54:51,372 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 [2022-02-20 16:54:51,444 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 5 treesize of output 3 [2022-02-20 16:54:51,563 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:54:51,564 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 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-20 16:54:51,776 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 16:54:51,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 11 treesize of output 7 [2022-02-20 16:54:51,953 INFO L356 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2022-02-20 16:54:51,953 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 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 [2022-02-20 16:54:52,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-02-20 16:54:52,126 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:54:52,127 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43 [2022-02-20 16:54:52,556 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-20 16:54:52,557 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 30 [2022-02-20 16:54:52,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-02-20 16:54:52,730 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 16:54:52,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 10 [2022-02-20 16:54:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:53,006 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 [2022-02-20 16:54:53,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:53,019 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:54:53,019 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 2 case distinctions, treesize of input 73 treesize of output 61 [2022-02-20 16:54:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:53,040 INFO L356 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2022-02-20 16:54:53,040 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 33 [2022-02-20 16:54:53,586 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-02-20 16:54:53,588 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 24 treesize of output 26 [2022-02-20 16:54:53,676 INFO L356 Elim1Store]: treesize reduction 96, result has 13.5 percent of original size [2022-02-20 16:54:53,676 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 90 treesize of output 60 [2022-02-20 16:54:53,734 INFO L356 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2022-02-20 16:54:53,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 112 treesize of output 102 [2022-02-20 16:54:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:54:53,762 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 18 treesize of output 20 [2022-02-20 16:54:53,803 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 38 treesize of output 26 [2022-02-20 16:54:53,899 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 [2022-02-20 16:54:54,097 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-20 16:54:54,097 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 23 [2022-02-20 16:54:54,117 INFO L290 TraceCheckUtils]: 0: Hoare triple {2852#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(21, 2); {2852#true} is VALID [2022-02-20 16:54:54,118 INFO L290 TraceCheckUtils]: 1: Hoare triple {2852#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {2901#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} is VALID [2022-02-20 16:54:54,118 INFO L290 TraceCheckUtils]: 2: Hoare triple {2901#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} assume !!(dll_create_~len#1 > 0); {2901#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} is VALID [2022-02-20 16:54:54,119 INFO L272 TraceCheckUtils]: 3: Hoare triple {2901#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2908#(= |old(#valid)| |#valid|)} is VALID [2022-02-20 16:54:54,120 INFO L290 TraceCheckUtils]: 4: Hoare triple {2908#(= |old(#valid)| |#valid|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2912#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:54,120 INFO L290 TraceCheckUtils]: 5: Hoare triple {2912#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (not (= |node_create_~temp~0#1.base| 0)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2912#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (not (= |node_create_~temp~0#1.base| 0)))} is VALID [2022-02-20 16:54:54,121 INFO L290 TraceCheckUtils]: 6: Hoare triple {2912#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (not (= |node_create_~temp~0#1.base| 0)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2919#(and (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)))} is VALID [2022-02-20 16:54:54,121 INFO L290 TraceCheckUtils]: 7: Hoare triple {2919#(and (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)))} assume true; {2919#(and (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)))} is VALID [2022-02-20 16:54:54,122 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {2919#(and (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)))} {2901#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} #103#return; {2926#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1))} is VALID [2022-02-20 16:54:54,123 INFO L290 TraceCheckUtils]: 9: Hoare triple {2926#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2930#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:54,123 INFO L290 TraceCheckUtils]: 10: Hoare triple {2930#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {2930#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:54,124 INFO L290 TraceCheckUtils]: 11: Hoare triple {2930#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2937#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} is VALID [2022-02-20 16:54:54,124 INFO L290 TraceCheckUtils]: 12: Hoare triple {2937#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} assume !!(dll_create_~len#1 > 0); {2937#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} is VALID [2022-02-20 16:54:54,125 INFO L272 TraceCheckUtils]: 13: Hoare triple {2937#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {2908#(= |old(#valid)| |#valid|)} is VALID [2022-02-20 16:54:54,125 INFO L290 TraceCheckUtils]: 14: Hoare triple {2908#(= |old(#valid)| |#valid|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2947#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:54,125 INFO L290 TraceCheckUtils]: 15: Hoare triple {2947#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2947#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:54,126 INFO L290 TraceCheckUtils]: 16: Hoare triple {2947#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2954#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:54:54,126 INFO L290 TraceCheckUtils]: 17: Hoare triple {2954#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} assume true; {2954#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:54:54,128 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {2954#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} {2937#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1))} #103#return; {2961#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:54,129 INFO L290 TraceCheckUtils]: 19: Hoare triple {2961#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {2965#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:54:54,130 INFO L290 TraceCheckUtils]: 20: Hoare triple {2965#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {2969#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:54:54,130 INFO L290 TraceCheckUtils]: 21: Hoare triple {2969#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {2973#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:54,131 INFO L290 TraceCheckUtils]: 22: Hoare triple {2973#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !(dll_create_~len#1 > 0); {2973#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:54,131 INFO L290 TraceCheckUtils]: 23: Hoare triple {2973#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {2980#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0)) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} is VALID [2022-02-20 16:54:54,132 INFO L290 TraceCheckUtils]: 24: Hoare triple {2980#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0)) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {2984#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,133 INFO L272 TraceCheckUtils]: 25: Hoare triple {2984#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {2988#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:54,133 INFO L290 TraceCheckUtils]: 26: Hoare triple {2988#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {2992#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:54,134 INFO L290 TraceCheckUtils]: 27: Hoare triple {2992#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {2992#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:54,135 INFO L290 TraceCheckUtils]: 28: Hoare triple {2992#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {2999#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1665 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1665))) (exists ((v_ArrVal_1664 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1664))))} is VALID [2022-02-20 16:54:54,152 INFO L290 TraceCheckUtils]: 29: Hoare triple {2999#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1665 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1665))) (exists ((v_ArrVal_1664 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1664))))} assume true; {2999#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1665 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1665))) (exists ((v_ArrVal_1664 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1664))))} is VALID [2022-02-20 16:54:54,154 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {2999#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1665 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1665))) (exists ((v_ArrVal_1664 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1664))))} {2984#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} #105#return; {3006#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,155 INFO L290 TraceCheckUtils]: 31: Hoare triple {3006#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,156 INFO L290 TraceCheckUtils]: 32: Hoare triple {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,157 INFO L290 TraceCheckUtils]: 33: Hoare triple {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,157 INFO L290 TraceCheckUtils]: 34: Hoare triple {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,158 INFO L290 TraceCheckUtils]: 35: Hoare triple {3010#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3023#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,158 INFO L290 TraceCheckUtils]: 36: Hoare triple {3023#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {3027#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,160 INFO L290 TraceCheckUtils]: 37: Hoare triple {3027#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {3031#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:54:54,161 INFO L290 TraceCheckUtils]: 38: Hoare triple {3031#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {3035#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))))} is VALID [2022-02-20 16:54:54,162 INFO L290 TraceCheckUtils]: 39: Hoare triple {3035#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3035#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))))} is VALID [2022-02-20 16:54:54,162 INFO L290 TraceCheckUtils]: 40: Hoare triple {3035#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {2887#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:54:54,163 INFO L290 TraceCheckUtils]: 41: Hoare triple {2887#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {2853#false} is VALID [2022-02-20 16:54:54,163 INFO L290 TraceCheckUtils]: 42: Hoare triple {2853#false} assume main_~count~0#1 != 1 + main_~len~0#1; {2853#false} is VALID [2022-02-20 16:54:54,174 INFO L290 TraceCheckUtils]: 43: Hoare triple {2853#false} assume !false; {2853#false} is VALID [2022-02-20 16:54:54,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-20 16:54:54,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:54:55,403 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79925700] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:55,403 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:54:55,403 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 52 [2022-02-20 16:54:55,403 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653001388] [2022-02-20 16:54:55,403 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:54:55,404 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 44 [2022-02-20 16:54:55,404 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:54:55,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:55,483 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 84 edges. 84 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:55,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-02-20 16:54:55,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:54:55,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-02-20 16:54:55,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=3179, Unknown=7, NotChecked=0, Total=3422 [2022-02-20 16:54:55,485 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:58,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:58,151 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2022-02-20 16:54:58,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-20 16:54:58,151 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 44 [2022-02-20 16:54:58,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:54:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 55 transitions. [2022-02-20 16:54:58,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:58,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 55 transitions. [2022-02-20 16:54:58,153 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 55 transitions. [2022-02-20 16:54:58,220 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:54:58,221 INFO L225 Difference]: With dead ends: 49 [2022-02-20 16:54:58,221 INFO L226 Difference]: Without dead ends: 46 [2022-02-20 16:54:58,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1643 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=472, Invalid=5373, Unknown=7, NotChecked=0, Total=5852 [2022-02-20 16:54:58,223 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 53 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:54:58,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 318 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 485 Invalid, 0 Unknown, 52 Unchecked, 0.5s Time] [2022-02-20 16:54:58,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-02-20 16:54:58,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2022-02-20 16:54:58,250 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:54:58,250 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand has 43 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:58,251 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand has 43 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:58,251 INFO L87 Difference]: Start difference. First operand 46 states. Second operand has 43 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:58,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:58,261 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2022-02-20 16:54:58,261 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-02-20 16:54:58,261 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:58,261 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:58,262 INFO L74 IsIncluded]: Start isIncluded. First operand has 43 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-02-20 16:54:58,262 INFO L87 Difference]: Start difference. First operand has 43 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-02-20 16:54:58,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:54:58,263 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2022-02-20 16:54:58,263 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-02-20 16:54:58,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:54:58,263 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:54:58,263 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:54:58,263 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:54:58,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:54:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-02-20 16:54:58,267 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 44 [2022-02-20 16:54:58,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:54:58,267 INFO L470 AbstractCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-02-20 16:54:58,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 50 states have (on average 1.44) internal successors, (72), 43 states have internal predecessors, (72), 6 states have call successors, (6), 3 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:54:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-02-20 16:54:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 16:54:58,268 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:54:58,268 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:54:58,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-20 16:54:58,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:58,484 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:54:58,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:54:58,484 INFO L85 PathProgramCache]: Analyzing trace with hash 924724691, now seen corresponding path program 1 times [2022-02-20 16:54:58,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:54:58,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948702637] [2022-02-20 16:54:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:54:58,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:54:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:59,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:54:59,382 INFO L290 TraceCheckUtils]: 1: Hoare triple {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:54:59,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,383 INFO L290 TraceCheckUtils]: 3: Hoare triple {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,384 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {3356#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {3362#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:54:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:59,487 INFO L290 TraceCheckUtils]: 0: Hoare triple {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,488 INFO L290 TraceCheckUtils]: 1: Hoare triple {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,489 INFO L290 TraceCheckUtils]: 2: Hoare triple {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,490 INFO L290 TraceCheckUtils]: 3: Hoare triple {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,491 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} {3364#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} #103#return; {3370#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:54:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:54:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:54:59,819 INFO L290 TraceCheckUtils]: 0: Hoare triple {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,820 INFO L290 TraceCheckUtils]: 1: Hoare triple {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,823 INFO L290 TraceCheckUtils]: 2: Hoare triple {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:59,825 INFO L290 TraceCheckUtils]: 3: Hoare triple {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:59,829 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {3375#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_append_~data#1|) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} #105#return; {3381#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_#t~ret7#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_dll_append_#t~ret7#1.offset| 0))} is VALID [2022-02-20 16:54:59,830 INFO L290 TraceCheckUtils]: 0: Hoare triple {3354#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(21, 2); {3354#true} is VALID [2022-02-20 16:54:59,830 INFO L290 TraceCheckUtils]: 1: Hoare triple {3354#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {3356#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:59,831 INFO L290 TraceCheckUtils]: 2: Hoare triple {3356#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {3356#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:54:59,832 INFO L272 TraceCheckUtils]: 3: Hoare triple {3356#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:59,832 INFO L290 TraceCheckUtils]: 4: Hoare triple {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:54:59,833 INFO L290 TraceCheckUtils]: 5: Hoare triple {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:54:59,833 INFO L290 TraceCheckUtils]: 6: Hoare triple {3390#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,834 INFO L290 TraceCheckUtils]: 7: Hoare triple {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,835 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {3391#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {3356#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {3362#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:59,836 INFO L290 TraceCheckUtils]: 9: Hoare triple {3362#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3363#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:59,836 INFO L290 TraceCheckUtils]: 10: Hoare triple {3363#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {3363#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:54:59,837 INFO L290 TraceCheckUtils]: 11: Hoare triple {3363#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3364#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:59,837 INFO L290 TraceCheckUtils]: 12: Hoare triple {3364#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {3364#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:54:59,838 INFO L272 TraceCheckUtils]: 13: Hoare triple {3364#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:59,839 INFO L290 TraceCheckUtils]: 14: Hoare triple {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,839 INFO L290 TraceCheckUtils]: 15: Hoare triple {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,840 INFO L290 TraceCheckUtils]: 16: Hoare triple {3392#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,841 INFO L290 TraceCheckUtils]: 17: Hoare triple {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:54:59,843 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3393#(and (or (= |node_create_#res#1.base| (@diff |old(#memory_int)| |#memory_int|)) (= |#memory_int| |old(#memory_int)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= 0 |node_create_#res#1.offset|) (= (select |#valid| |node_create_#res#1.base|) 1))} {3364#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} #103#return; {3370#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:54:59,844 INFO L290 TraceCheckUtils]: 19: Hoare triple {3370#(and (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) |ULTIMATE.start_dll_create_~head~0#1.offset|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3371#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:54:59,845 INFO L290 TraceCheckUtils]: 20: Hoare triple {3371#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {3372#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:59,846 INFO L290 TraceCheckUtils]: 21: Hoare triple {3372#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3373#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:54:59,846 INFO L290 TraceCheckUtils]: 22: Hoare triple {3373#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} assume !(dll_create_~len#1 > 0); {3373#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:54:59,847 INFO L290 TraceCheckUtils]: 23: Hoare triple {3373#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {3374#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} is VALID [2022-02-20 16:54:59,865 INFO L290 TraceCheckUtils]: 24: Hoare triple {3374#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {3375#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_append_~data#1|) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} is VALID [2022-02-20 16:54:59,867 INFO L272 TraceCheckUtils]: 25: Hoare triple {3375#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_append_~data#1|) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:54:59,868 INFO L290 TraceCheckUtils]: 26: Hoare triple {3389#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,869 INFO L290 TraceCheckUtils]: 27: Hoare triple {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:54:59,871 INFO L290 TraceCheckUtils]: 28: Hoare triple {3394#(and (= |node_create_~data#1| |node_create_#in~data#1|) (= |#memory_int| |old(#memory_int)|) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:59,873 INFO L290 TraceCheckUtils]: 29: Hoare triple {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:54:59,877 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {3395#(and (or (= |#memory_int| |old(#memory_int)|) (= (select (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|)) 0) |node_create_#in~data#1|)) (= |#memory_int| (store (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)))) (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (= (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (= (select (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_int| (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|)))) (= (select (select |#memory_int| (@diff (store (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|) (select |#memory_int| (@diff (store |old(#memory_int)| (@diff |old(#memory_int)| |#memory_int|) (select |#memory_int| (@diff |old(#memory_int)| |#memory_int|))) |#memory_int|))) |#memory_int|)) 0) |node_create_#in~data#1|)) (= 0 |node_create_#res#1.offset|) (= (select (select |#memory_int| |node_create_#res#1.base|) 0) |node_create_#in~data#1|) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {3375#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_append_~data#1|) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} #105#return; {3381#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_#t~ret7#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_dll_append_#t~ret7#1.offset| 0))} is VALID [2022-02-20 16:54:59,878 INFO L290 TraceCheckUtils]: 31: Hoare triple {3381#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_#t~ret7#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_dll_append_#t~ret7#1.offset| 0))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {3382#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))))} is VALID [2022-02-20 16:54:59,879 INFO L290 TraceCheckUtils]: 32: Hoare triple {3382#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {3383#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:59,880 INFO L290 TraceCheckUtils]: 33: Hoare triple {3383#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3383#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:59,881 INFO L290 TraceCheckUtils]: 34: Hoare triple {3383#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~new_last~0#1.base|) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4)) |ULTIMATE.start_main_~data~0#1|))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {3384#(and (or (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:59,881 INFO L290 TraceCheckUtils]: 35: Hoare triple {3384#(and (or (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3384#(and (or (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:59,882 INFO L290 TraceCheckUtils]: 36: Hoare triple {3384#(and (or (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {3384#(and (or (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:54:59,883 INFO L290 TraceCheckUtils]: 37: Hoare triple {3384#(and (or (not (= (+ |ULTIMATE.start_dll_append_~new_last~0#1.offset| 8) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_dll_append_~last~0#1.base|) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {3385#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 16:54:59,884 INFO L290 TraceCheckUtils]: 38: Hoare triple {3385#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {3386#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:59,884 INFO L290 TraceCheckUtils]: 39: Hoare triple {3386#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3386#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:54:59,885 INFO L290 TraceCheckUtils]: 40: Hoare triple {3386#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~data~0#1|))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {3387#(= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-20 16:54:59,885 INFO L290 TraceCheckUtils]: 41: Hoare triple {3387#(= |ULTIMATE.start_main_~data~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 != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3388#(= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|)} is VALID [2022-02-20 16:54:59,885 INFO L290 TraceCheckUtils]: 42: Hoare triple {3388#(= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|)} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {3355#false} is VALID [2022-02-20 16:54:59,886 INFO L290 TraceCheckUtils]: 43: Hoare triple {3355#false} assume !false; {3355#false} is VALID [2022-02-20 16:54:59,886 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:54:59,886 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:54:59,886 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948702637] [2022-02-20 16:54:59,886 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948702637] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:54:59,887 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619282194] [2022-02-20 16:54:59,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:54:59,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:54:59,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:54:59,888 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) [2022-02-20 16:54:59,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 16:55:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:00,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 159 conjunts are in the unsatisfiable core [2022-02-20 16:55:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:00,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:55:00,444 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 [2022-02-20 16:55:00,528 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 5 treesize of output 3 [2022-02-20 16:55:00,700 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:55:00,701 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 16:55:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:00,789 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 16 treesize of output 17 [2022-02-20 16:55:01,104 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2022-02-20 16:55:01,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:55:01,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:01,435 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:55:01,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2022-02-20 16:55:01,452 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 [2022-02-20 16:55:01,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 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 [2022-02-20 16:55:01,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 [2022-02-20 16:55:01,604 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 [2022-02-20 16:55:01,747 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:55:01,747 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 110 treesize of output 99 [2022-02-20 16:55:01,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:01,762 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2022-02-20 16:55:01,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 [2022-02-20 16:55:02,423 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:55:02,424 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 47 [2022-02-20 16:55:02,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:02,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-02-20 16:55:02,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:02,617 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 16:55:02,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:02,958 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:55:02,959 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 2 case distinctions, treesize of input 112 treesize of output 86 [2022-02-20 16:55:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:02,969 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 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 [2022-02-20 16:55:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:02,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:02,992 INFO L356 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-02-20 16:55:02,992 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2022-02-20 16:55:03,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:03,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:03,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-02-20 16:55:04,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:55:04,061 INFO L356 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2022-02-20 16:55:04,061 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 299 treesize of output 150 [2022-02-20 16:55:04,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,127 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:55:04,128 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 2 case distinctions, treesize of input 202 treesize of output 148 [2022-02-20 16:55:04,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 56 [2022-02-20 16:55:04,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,248 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-20 16:55:04,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 67 [2022-02-20 16:55:04,284 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 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 [2022-02-20 16:55:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2022-02-20 16:55:04,677 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-20 16:55:04,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,680 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-20 16:55:04,680 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 58 [2022-02-20 16:55:04,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:04,733 INFO L356 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-02-20 16:55:04,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 18 [2022-02-20 16:55:04,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 15 treesize of output 7 [2022-02-20 16:55:04,851 INFO L290 TraceCheckUtils]: 0: Hoare triple {3354#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(21, 2); {3354#true} is VALID [2022-02-20 16:55:04,852 INFO L290 TraceCheckUtils]: 1: Hoare triple {3354#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {3402#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:55:04,853 INFO L290 TraceCheckUtils]: 2: Hoare triple {3402#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} assume !!(dll_create_~len#1 > 0); {3402#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} is VALID [2022-02-20 16:55:04,853 INFO L272 TraceCheckUtils]: 3: Hoare triple {3402#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3409#(= |old(#valid)| |#valid|)} is VALID [2022-02-20 16:55:04,853 INFO L290 TraceCheckUtils]: 4: Hoare triple {3409#(= |old(#valid)| |#valid|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3413#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:04,854 INFO L290 TraceCheckUtils]: 5: Hoare triple {3413#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3413#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:04,854 INFO L290 TraceCheckUtils]: 6: Hoare triple {3413#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3420#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:55:04,855 INFO L290 TraceCheckUtils]: 7: Hoare triple {3420#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} assume true; {3420#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:55:04,856 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {3420#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (= 0 |node_create_#res#1.offset|))} {3402#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|))} #103#return; {3427#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:55:04,857 INFO L290 TraceCheckUtils]: 9: Hoare triple {3427#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_dll_create_~data#1|) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3431#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:55:04,857 INFO L290 TraceCheckUtils]: 10: Hoare triple {3431#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {3431#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} is VALID [2022-02-20 16:55:04,858 INFO L290 TraceCheckUtils]: 11: Hoare triple {3431#(and (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~new_head~0#1.base|) |ULTIMATE.start_dll_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3438#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:55:04,864 INFO L290 TraceCheckUtils]: 12: Hoare triple {3438#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {3438#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:55:04,865 INFO L272 TraceCheckUtils]: 13: Hoare triple {3438#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3445#(and (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:04,866 INFO L290 TraceCheckUtils]: 14: Hoare triple {3445#(and (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3449#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:04,866 INFO L290 TraceCheckUtils]: 15: Hoare triple {3449#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3449#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:04,869 WARN L290 TraceCheckUtils]: 16: Hoare triple {3449#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_int| |old(#memory_int)|) (= |node_create_~temp~0#1.offset| 0) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3456#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_1922 (Array Int Int))) (= (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1922) |#memory_int|)) (= 0 |node_create_#res#1.offset|))} is UNKNOWN [2022-02-20 16:55:04,870 INFO L290 TraceCheckUtils]: 17: Hoare triple {3456#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_1922 (Array Int Int))) (= (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1922) |#memory_int|)) (= 0 |node_create_#res#1.offset|))} assume true; {3456#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_1922 (Array Int Int))) (= (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1922) |#memory_int|)) (= 0 |node_create_#res#1.offset|))} is VALID [2022-02-20 16:55:04,872 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3456#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_1922 (Array Int Int))) (= (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1922) |#memory_int|)) (= 0 |node_create_#res#1.offset|))} {3438#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} #103#return; {3463#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:55:04,873 INFO L290 TraceCheckUtils]: 19: Hoare triple {3463#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3467#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))} is VALID [2022-02-20 16:55:04,875 INFO L290 TraceCheckUtils]: 20: Hoare triple {3467#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_create_~head~0#1.base|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {3471#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:55:04,875 INFO L290 TraceCheckUtils]: 21: Hoare triple {3471#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3475#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:04,876 INFO L290 TraceCheckUtils]: 22: Hoare triple {3475#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} assume !(dll_create_~len#1 > 0); {3475#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:04,877 INFO L290 TraceCheckUtils]: 23: Hoare triple {3475#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~data~0#1| 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {3482#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (= |ULTIMATE.start_main_~data~0#1| 1) (< |ULTIMATE.start_dll_create_#res#1.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} is VALID [2022-02-20 16:55:04,878 INFO L290 TraceCheckUtils]: 24: Hoare triple {3482#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (= |ULTIMATE.start_main_~data~0#1| 1) (< |ULTIMATE.start_dll_create_#res#1.base| |#StackHeapBarrier|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {3486#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,879 INFO L272 TraceCheckUtils]: 25: Hoare triple {3486#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {3490#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:04,879 INFO L290 TraceCheckUtils]: 26: Hoare triple {3490#(and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3494#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:04,880 INFO L290 TraceCheckUtils]: 27: Hoare triple {3494#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3494#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:04,883 WARN L290 TraceCheckUtils]: 28: Hoare triple {3494#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3501#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1937 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1937) |#memory_$Pointer$.base|)) (exists ((v_ArrVal_1935 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1935))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1933 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1933))))} is UNKNOWN [2022-02-20 16:55:04,884 INFO L290 TraceCheckUtils]: 29: Hoare triple {3501#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1937 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1937) |#memory_$Pointer$.base|)) (exists ((v_ArrVal_1935 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1935))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1933 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1933))))} assume true; {3501#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1937 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1937) |#memory_$Pointer$.base|)) (exists ((v_ArrVal_1935 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1935))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1933 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1933))))} is VALID [2022-02-20 16:55:04,886 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {3501#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_1937 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_1937) |#memory_$Pointer$.base|)) (exists ((v_ArrVal_1935 (Array Int Int))) (= |#memory_int| (store |old(#memory_int)| |node_create_#res#1.base| v_ArrVal_1935))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (exists ((v_ArrVal_1933 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_1933))))} {3486#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} #105#return; {3508#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,887 INFO L290 TraceCheckUtils]: 31: Hoare triple {3508#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {3512#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,888 INFO L290 TraceCheckUtils]: 32: Hoare triple {3512#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {3516#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,889 INFO L290 TraceCheckUtils]: 33: Hoare triple {3516#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3516#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,890 INFO L290 TraceCheckUtils]: 34: Hoare triple {3516#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {3523#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,890 INFO L290 TraceCheckUtils]: 35: Hoare triple {3523#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3527#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,891 INFO L290 TraceCheckUtils]: 36: Hoare triple {3527#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {3531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,893 INFO L290 TraceCheckUtils]: 37: Hoare triple {3531#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {3535#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} is VALID [2022-02-20 16:55:04,894 INFO L290 TraceCheckUtils]: 38: Hoare triple {3535#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~data~0#1| 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 0) |ULTIMATE.start_main_~data~0#1|) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0)))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {3539#(and (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4)) 0) |ULTIMATE.start_main_~data~0#1|))))} is VALID [2022-02-20 16:55:04,895 INFO L290 TraceCheckUtils]: 39: Hoare triple {3539#(and (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4)) 0) |ULTIMATE.start_main_~data~0#1|))))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3539#(and (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4)) 0) |ULTIMATE.start_main_~data~0#1|))))} is VALID [2022-02-20 16:55:04,896 INFO L290 TraceCheckUtils]: 40: Hoare triple {3539#(and (= |ULTIMATE.start_main_~data~0#1| 1) (exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0) (< (+ (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) 4)) 0) |ULTIMATE.start_main_~data~0#1|))))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {3546#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0) |ULTIMATE.start_main_~data~0#1|))} is VALID [2022-02-20 16:55:04,897 INFO L290 TraceCheckUtils]: 41: Hoare triple {3546#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data~0#1| 1) (= (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0) |ULTIMATE.start_main_~data~0#1|))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3550#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~data~0#1| 1))} is VALID [2022-02-20 16:55:04,897 INFO L290 TraceCheckUtils]: 42: Hoare triple {3550#(and (= |ULTIMATE.start_main_~data~0#1| |ULTIMATE.start_main_#t~mem14#1|) (= |ULTIMATE.start_main_~data~0#1| 1))} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {3355#false} is VALID [2022-02-20 16:55:04,897 INFO L290 TraceCheckUtils]: 43: Hoare triple {3355#false} assume !false; {3355#false} is VALID [2022-02-20 16:55:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:55:04,898 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:55:05,086 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1945 (Array Int Int)) (v_ArrVal_1943 (Array Int Int)) (v_ArrVal_1941 Int) (v_ArrVal_1940 Int) (v_ArrVal_1938 (Array Int Int)) (v_ArrVal_1944 Int)) (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse0 (+ |c_ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (let ((.cse4 (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse0 v_ArrVal_1941)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1938)) (.cse1 (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse0 v_ArrVal_1944)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1945))) (let ((.cse2 (select (select .cse1 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse3 (+ (select (select .cse4 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_dll_append_~last~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse0 v_ArrVal_1940)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_1943) (select (select .cse1 .cse2) .cse3)) (select (select .cse4 .cse2) .cse3))))))) is different from false [2022-02-20 16:55:06,564 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1956 (Array Int Int)) (v_ArrVal_1945 (Array Int Int)) (v_ArrVal_1955 (Array Int Int)) (v_ArrVal_1943 (Array Int Int)) (|v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| Int) (v_ArrVal_1941 Int) (v_ArrVal_1940 Int) (v_ArrVal_1938 (Array Int Int)) (v_ArrVal_1944 Int) (v_ArrVal_1957 (Array Int Int))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1955)) (.cse7 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1956))) (let ((.cse10 (select (select .cse7 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (.cse11 (+ (select (select .cse9 |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4))) (let ((.cse1 (select (select .cse7 .cse10) .cse11))) (let ((.cse8 (select .cse7 .cse1)) (.cse2 (+ 4 (select (select .cse9 .cse10) .cse11)))) (or (= |c_ULTIMATE.start_main_~data~0#1| (let ((.cse6 (store (store .cse9 .cse1 (store (select .cse9 .cse1) .cse2 v_ArrVal_1941)) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1938)) (.cse3 (store (store .cse7 .cse1 (store .cse8 .cse2 v_ArrVal_1944)) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1945))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse5 (+ (select (select .cse6 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (select (select (store (let ((.cse0 (store |c_#memory_int| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1957))) (store .cse0 .cse1 (store (select .cse0 .cse1) .cse2 v_ArrVal_1940))) |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| v_ArrVal_1943) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5))))) (not (= (select |c_#valid| |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31|) 0)) (not (< |v_ULTIMATE.start_dll_append_#t~ret7#1.base_31| |c_#StackHeapBarrier|)) (not (= (select .cse8 .cse2) 0)))))))) is different from false [2022-02-20 16:55:06,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619282194] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:55:06,567 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:55:06,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31] total 56 [2022-02-20 16:55:06,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058425342] [2022-02-20 16:55:06,567 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:55:06,568 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 44 [2022-02-20 16:55:06,568 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:55:06,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:06,668 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 84 inductive. 0 not inductive. 2 times theorem prover too weak to decide inductivity. [2022-02-20 16:55:06,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-20 16:55:06,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:55:06,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-20 16:55:06,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=3697, Unknown=4, NotChecked=246, Total=4160 [2022-02-20 16:55:06,670 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. Second operand has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:11,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:55:11,197 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2022-02-20 16:55:11,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-02-20 16:55:11,197 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 44 [2022-02-20 16:55:11,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:55:11,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:11,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 52 transitions. [2022-02-20 16:55:11,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:11,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 52 transitions. [2022-02-20 16:55:11,199 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 52 transitions. [2022-02-20 16:55:11,266 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 51 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-20 16:55:11,266 INFO L225 Difference]: With dead ends: 48 [2022-02-20 16:55:11,266 INFO L226 Difference]: Without dead ends: 46 [2022-02-20 16:55:11,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1148 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=420, Invalid=5904, Unknown=4, NotChecked=314, Total=6642 [2022-02-20 16:55:11,268 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 52 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 792 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 792 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 63 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:55:11,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 306 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 792 Invalid, 0 Unknown, 63 Unchecked, 1.0s Time] [2022-02-20 16:55:11,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-02-20 16:55:11,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2022-02-20 16:55:11,300 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:55:11,300 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand has 45 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:55:11,300 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand has 45 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:55:11,300 INFO L87 Difference]: Start difference. First operand 46 states. Second operand has 45 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:55:11,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:55:11,301 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-02-20 16:55:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-02-20 16:55:11,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:55:11,301 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:55:11,302 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-02-20 16:55:11,302 INFO L87 Difference]: Start difference. First operand has 45 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 46 states. [2022-02-20 16:55:11,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:55:11,303 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2022-02-20 16:55:11,303 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-02-20 16:55:11,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:55:11,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:55:11,303 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:55:11,303 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:55:11,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 40 states have (on average 1.15) internal successors, (46), 40 states have internal predecessors, (46), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 16:55:11,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2022-02-20 16:55:11,304 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 44 [2022-02-20 16:55:11,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:55:11,304 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-02-20 16:55:11,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 54 states have (on average 1.3703703703703705) internal successors, (74), 46 states have internal predecessors, (74), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-02-20 16:55:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 16:55:11,305 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:55:11,305 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:55:11,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 16:55:11,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:55:11,525 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:55:11,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:55:11,525 INFO L85 PathProgramCache]: Analyzing trace with hash 478170515, now seen corresponding path program 2 times [2022-02-20 16:55:11,525 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:55:11,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425432996] [2022-02-20 16:55:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:55:11,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:55:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:55:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:12,076 INFO L290 TraceCheckUtils]: 0: Hoare triple {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:12,076 INFO L290 TraceCheckUtils]: 1: Hoare triple {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:12,077 INFO L290 TraceCheckUtils]: 2: Hoare triple {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:12,077 INFO L290 TraceCheckUtils]: 3: Hoare triple {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:12,078 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} {3864#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} #103#return; {3870#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:55:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:12,241 INFO L290 TraceCheckUtils]: 0: Hoare triple {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:55:12,241 INFO L290 TraceCheckUtils]: 1: Hoare triple {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:55:12,243 INFO L290 TraceCheckUtils]: 2: Hoare triple {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,244 INFO L290 TraceCheckUtils]: 3: Hoare triple {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,247 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {3872#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} #103#return; {3878#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:55:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:12,376 INFO L290 TraceCheckUtils]: 0: Hoare triple {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:12,376 INFO L290 TraceCheckUtils]: 1: Hoare triple {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:12,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,379 INFO L290 TraceCheckUtils]: 3: Hoare triple {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,381 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {3883#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0))} #105#return; {3889#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:12,381 INFO L290 TraceCheckUtils]: 0: Hoare triple {3862#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(21, 2); {3862#true} is VALID [2022-02-20 16:55:12,382 INFO L290 TraceCheckUtils]: 1: Hoare triple {3862#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {3864#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:12,382 INFO L290 TraceCheckUtils]: 2: Hoare triple {3864#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} assume !!(dll_create_~len#1 > 0); {3864#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:12,383 INFO L272 TraceCheckUtils]: 3: Hoare triple {3864#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:12,384 INFO L290 TraceCheckUtils]: 4: Hoare triple {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:12,384 INFO L290 TraceCheckUtils]: 5: Hoare triple {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:12,385 INFO L290 TraceCheckUtils]: 6: Hoare triple {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:12,385 INFO L290 TraceCheckUtils]: 7: Hoare triple {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:12,386 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} {3864#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} #103#return; {3870#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:12,387 INFO L290 TraceCheckUtils]: 9: Hoare triple {3870#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3871#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:55:12,388 INFO L290 TraceCheckUtils]: 10: Hoare triple {3871#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {3871#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:55:12,388 INFO L290 TraceCheckUtils]: 11: Hoare triple {3871#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3872#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,389 INFO L290 TraceCheckUtils]: 12: Hoare triple {3872#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} assume !!(dll_create_~len#1 > 0); {3872#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,389 INFO L272 TraceCheckUtils]: 13: Hoare triple {3872#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:12,390 INFO L290 TraceCheckUtils]: 14: Hoare triple {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:55:12,391 INFO L290 TraceCheckUtils]: 15: Hoare triple {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:55:12,392 INFO L290 TraceCheckUtils]: 16: Hoare triple {3897#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (= |node_create_~temp~0#1.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,393 INFO L290 TraceCheckUtils]: 17: Hoare triple {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,395 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3898#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {3872#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} #103#return; {3878#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,396 INFO L290 TraceCheckUtils]: 19: Hoare triple {3878#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3879#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,398 INFO L290 TraceCheckUtils]: 20: Hoare triple {3879#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4) 0)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {3880#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 4) 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 4) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:55:12,398 INFO L290 TraceCheckUtils]: 21: Hoare triple {3880#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 4) 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 4) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3881#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,399 INFO L290 TraceCheckUtils]: 22: Hoare triple {3881#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} assume !(dll_create_~len#1 > 0); {3881#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:12,399 INFO L290 TraceCheckUtils]: 23: Hoare triple {3881#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {3882#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 4) 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} is VALID [2022-02-20 16:55:12,400 INFO L290 TraceCheckUtils]: 24: Hoare triple {3882#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 4) 0) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {3883#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0))} is VALID [2022-02-20 16:55:12,401 INFO L272 TraceCheckUtils]: 25: Hoare triple {3883#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:12,402 INFO L290 TraceCheckUtils]: 26: Hoare triple {3894#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:12,402 INFO L290 TraceCheckUtils]: 27: Hoare triple {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:12,404 INFO L290 TraceCheckUtils]: 28: Hoare triple {3899#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,405 INFO L290 TraceCheckUtils]: 29: Hoare triple {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:12,407 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {3900#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {3883#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0))} #105#return; {3889#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:12,408 INFO L290 TraceCheckUtils]: 31: Hoare triple {3889#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {3889#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:12,408 INFO L290 TraceCheckUtils]: 32: Hoare triple {3889#(and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4)) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {3890#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0))} is VALID [2022-02-20 16:55:12,409 INFO L290 TraceCheckUtils]: 33: Hoare triple {3890#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3891#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0))} is VALID [2022-02-20 16:55:12,410 INFO L290 TraceCheckUtils]: 34: Hoare triple {3891#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4))) 4) 0) (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {3892#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= 4 (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)))} is VALID [2022-02-20 16:55:12,410 INFO L290 TraceCheckUtils]: 35: Hoare triple {3892#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (= 4 (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3893#(and (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (= 4 (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0))} is VALID [2022-02-20 16:55:12,410 INFO L290 TraceCheckUtils]: 36: Hoare triple {3893#(and (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (= 4 (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_append_#t~mem11#1.base| 0))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {3863#false} is VALID [2022-02-20 16:55:12,410 INFO L290 TraceCheckUtils]: 37: Hoare triple {3863#false} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3863#false} is VALID [2022-02-20 16:55:12,410 INFO L290 TraceCheckUtils]: 38: Hoare triple {3863#false} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {3863#false} is VALID [2022-02-20 16:55:12,411 INFO L290 TraceCheckUtils]: 39: Hoare triple {3863#false} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {3863#false} is VALID [2022-02-20 16:55:12,411 INFO L290 TraceCheckUtils]: 40: Hoare triple {3863#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {3863#false} is VALID [2022-02-20 16:55:12,411 INFO L290 TraceCheckUtils]: 41: Hoare triple {3863#false} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3863#false} is VALID [2022-02-20 16:55:12,411 INFO L290 TraceCheckUtils]: 42: Hoare triple {3863#false} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {3863#false} is VALID [2022-02-20 16:55:12,411 INFO L290 TraceCheckUtils]: 43: Hoare triple {3863#false} assume !false; {3863#false} is VALID [2022-02-20 16:55:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:55:12,411 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:55:12,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425432996] [2022-02-20 16:55:12,411 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425432996] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:55:12,411 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430338515] [2022-02-20 16:55:12,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 16:55:12,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:55:12,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:55:12,420 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) [2022-02-20 16:55:12,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 16:55:12,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 16:55:12,629 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 16:55:12,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 119 conjunts are in the unsatisfiable core [2022-02-20 16:55:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:12,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:55:12,716 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 [2022-02-20 16:55:12,859 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 [2022-02-20 16:55:12,870 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 [2022-02-20 16:55:13,189 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:55:13,190 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 [2022-02-20 16:55:13,201 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 [2022-02-20 16:55:13,215 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 16:55:13,216 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 [2022-02-20 16:55:13,249 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 [2022-02-20 16:55:13,261 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 16:55:13,262 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 [2022-02-20 16:55:13,347 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 11 treesize of output 14 [2022-02-20 16:55:13,352 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 16 treesize of output 18 [2022-02-20 16:55:13,361 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 14 [2022-02-20 16:55:13,366 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 16 treesize of output 18 [2022-02-20 16:55:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:13,472 INFO L356 Elim1Store]: treesize reduction 69, result has 11.5 percent of original size [2022-02-20 16:55:13,472 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 2 case distinctions, treesize of input 126 treesize of output 89 [2022-02-20 16:55:13,487 INFO L356 Elim1Store]: treesize reduction 23, result has 36.1 percent of original size [2022-02-20 16:55:13,487 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 4 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 70 [2022-02-20 16:55:13,803 INFO L356 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2022-02-20 16:55:13,803 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 6 new quantified variables, introduced 3 case distinctions, treesize of input 159 treesize of output 84 [2022-02-20 16:55:13,842 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2022-02-20 16:55:13,842 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 5 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 29 [2022-02-20 16:55:13,884 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:55:14,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:14,128 INFO L356 Elim1Store]: treesize reduction 52, result has 17.5 percent of original size [2022-02-20 16:55:14,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 165 treesize of output 149 [2022-02-20 16:55:14,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:14,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:14,152 INFO L356 Elim1Store]: treesize reduction 47, result has 9.6 percent of original size [2022-02-20 16:55:14,152 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 156 treesize of output 135 [2022-02-20 16:55:14,186 INFO L356 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2022-02-20 16:55:14,186 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 34 treesize of output 36 [2022-02-20 16:55:14,606 INFO L356 Elim1Store]: treesize reduction 88, result has 3.3 percent of original size [2022-02-20 16:55:14,606 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 174 treesize of output 92 [2022-02-20 16:55:14,709 INFO L290 TraceCheckUtils]: 0: Hoare triple {3862#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(21, 2); {3862#true} is VALID [2022-02-20 16:55:14,710 INFO L290 TraceCheckUtils]: 1: Hoare triple {3862#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {3907#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:14,710 INFO L290 TraceCheckUtils]: 2: Hoare triple {3907#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} assume !!(dll_create_~len#1 > 0); {3907#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:14,710 INFO L272 TraceCheckUtils]: 3: Hoare triple {3907#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3862#true} is VALID [2022-02-20 16:55:14,711 INFO L290 TraceCheckUtils]: 4: Hoare triple {3862#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:14,711 INFO L290 TraceCheckUtils]: 5: Hoare triple {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:14,712 INFO L290 TraceCheckUtils]: 6: Hoare triple {3895#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:14,712 INFO L290 TraceCheckUtils]: 7: Hoare triple {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:14,714 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {3896#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |#valid| |node_create_#res#1.base|) 1))} {3907#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} #103#return; {3929#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (<= 0 |ULTIMATE.start_dll_create_#t~ret4#1.offset|) (<= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} is VALID [2022-02-20 16:55:14,715 INFO L290 TraceCheckUtils]: 9: Hoare triple {3929#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (<= 0 |ULTIMATE.start_dll_create_#t~ret4#1.offset|) (<= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3933#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 16:55:14,715 INFO L290 TraceCheckUtils]: 10: Hoare triple {3933#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {3933#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 16:55:14,716 INFO L290 TraceCheckUtils]: 11: Hoare triple {3933#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~new_head~0#1.offset|) (<= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3940#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:55:14,716 INFO L290 TraceCheckUtils]: 12: Hoare triple {3940#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} assume !!(dll_create_~len#1 > 0); {3940#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:55:14,717 INFO L272 TraceCheckUtils]: 13: Hoare triple {3940#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {3947#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:14,718 INFO L290 TraceCheckUtils]: 14: Hoare triple {3947#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3951#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:14,718 INFO L290 TraceCheckUtils]: 15: Hoare triple {3951#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3951#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:14,719 INFO L290 TraceCheckUtils]: 16: Hoare triple {3951#(and (= (store |old(#valid)| |node_create_~temp~0#1.base| 1) |#valid|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {3958#(and (exists ((v_ArrVal_2200 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2200) |#memory_$Pointer$.base|)) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (exists ((v_ArrVal_2201 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2201))))} is VALID [2022-02-20 16:55:14,720 INFO L290 TraceCheckUtils]: 17: Hoare triple {3958#(and (exists ((v_ArrVal_2200 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2200) |#memory_$Pointer$.base|)) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (exists ((v_ArrVal_2201 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2201))))} assume true; {3958#(and (exists ((v_ArrVal_2200 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2200) |#memory_$Pointer$.base|)) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (exists ((v_ArrVal_2201 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2201))))} is VALID [2022-02-20 16:55:14,721 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {3958#(and (exists ((v_ArrVal_2200 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2200) |#memory_$Pointer$.base|)) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| |node_create_#res#1.base| 1) |#valid|) (exists ((v_ArrVal_2201 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2201))))} {3940#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} #103#return; {3965#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:55:14,722 INFO L290 TraceCheckUtils]: 19: Hoare triple {3965#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {3969#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))} is VALID [2022-02-20 16:55:14,724 INFO L290 TraceCheckUtils]: 20: Hoare triple {3969#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~head~0#1.offset|))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {3973#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:55:14,724 INFO L290 TraceCheckUtils]: 21: Hoare triple {3973#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {3977#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))))} is VALID [2022-02-20 16:55:14,725 INFO L290 TraceCheckUtils]: 22: Hoare triple {3977#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))))} assume !(dll_create_~len#1 > 0); {3977#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))))} is VALID [2022-02-20 16:55:14,726 INFO L290 TraceCheckUtils]: 23: Hoare triple {3977#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) 4))))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {3984#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) 1) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:14,727 INFO L290 TraceCheckUtils]: 24: Hoare triple {3984#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 4)) 0) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) 1) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) 0) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {3988#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 1))} is VALID [2022-02-20 16:55:14,728 INFO L272 TraceCheckUtils]: 25: Hoare triple {3988#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 1))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {3947#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:14,729 INFO L290 TraceCheckUtils]: 26: Hoare triple {3947#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {3995#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:14,729 INFO L290 TraceCheckUtils]: 27: Hoare triple {3995#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {3995#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:14,730 INFO L290 TraceCheckUtils]: 28: Hoare triple {3995#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4002#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2213 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_2213))) (exists ((v_ArrVal_2212 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_2212) |#memory_$Pointer$.base|)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:55:14,731 INFO L290 TraceCheckUtils]: 29: Hoare triple {4002#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2213 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_2213))) (exists ((v_ArrVal_2212 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_2212) |#memory_$Pointer$.base|)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} assume true; {4002#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2213 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_2213))) (exists ((v_ArrVal_2212 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_2212) |#memory_$Pointer$.base|)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} is VALID [2022-02-20 16:55:14,733 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4002#(exists ((|node_create_~temp~0#1.base| Int)) (and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2213 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_~temp~0#1.base| v_ArrVal_2213))) (exists ((v_ArrVal_2212 (Array Int Int))) (= (store |old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| v_ArrVal_2212) |#memory_$Pointer$.base|)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|))))} {3988#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) 1) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (< |#StackHeapBarrier| |ULTIMATE.start_dll_append_~head#1.base|) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 1))} #105#return; {4009#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0))} is VALID [2022-02-20 16:55:14,734 INFO L290 TraceCheckUtils]: 31: Hoare triple {4009#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {4009#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0))} is VALID [2022-02-20 16:55:14,735 INFO L290 TraceCheckUtils]: 32: Hoare triple {4009#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 0) (= |ULTIMATE.start_dll_append_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 4)) 4)) 0))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {4016#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.base|) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)))))} is VALID [2022-02-20 16:55:14,736 INFO L290 TraceCheckUtils]: 33: Hoare triple {4016#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.base|) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {4016#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.base|) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)))))} is VALID [2022-02-20 16:55:14,737 INFO L290 TraceCheckUtils]: 34: Hoare triple {4016#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0) |ULTIMATE.start_dll_append_~last~0#1.base|) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)))))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {4023#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) |ULTIMATE.start_dll_append_~last~0#1.base|) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)))))} is VALID [2022-02-20 16:55:14,739 INFO L290 TraceCheckUtils]: 35: Hoare triple {4023#(exists ((|ULTIMATE.start_dll_append_~head#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (<= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) 4)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)) |ULTIMATE.start_dll_append_~last~0#1.base|) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) 0) 4)))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {4027#(and (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (<= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~last~0#1.offset|) (exists ((|ULTIMATE.start_dll_append_~head#1.base| Int) (v_arrayElimIndex_49 Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) v_arrayElimIndex_49)) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) v_arrayElimIndex_49) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) v_arrayElimIndex_49) |ULTIMATE.start_dll_append_~last~0#1.base|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|))} is VALID [2022-02-20 16:55:14,739 INFO L290 TraceCheckUtils]: 36: Hoare triple {4027#(and (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (<= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_append_~last~0#1.offset|) (exists ((|ULTIMATE.start_dll_append_~head#1.base| Int) (v_arrayElimIndex_49 Int)) (and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) v_arrayElimIndex_49)) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) v_arrayElimIndex_49) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) 0)) v_arrayElimIndex_49) |ULTIMATE.start_dll_append_~last~0#1.base|))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_#t~mem11#1.base|))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {3863#false} is VALID [2022-02-20 16:55:14,739 INFO L290 TraceCheckUtils]: 37: Hoare triple {3863#false} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {3863#false} is VALID [2022-02-20 16:55:14,739 INFO L290 TraceCheckUtils]: 38: Hoare triple {3863#false} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {3863#false} is VALID [2022-02-20 16:55:14,739 INFO L290 TraceCheckUtils]: 39: Hoare triple {3863#false} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {3863#false} is VALID [2022-02-20 16:55:14,739 INFO L290 TraceCheckUtils]: 40: Hoare triple {3863#false} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {3863#false} is VALID [2022-02-20 16:55:14,740 INFO L290 TraceCheckUtils]: 41: Hoare triple {3863#false} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {3863#false} is VALID [2022-02-20 16:55:14,740 INFO L290 TraceCheckUtils]: 42: Hoare triple {3863#false} assume main_~data~0#1 != main_#t~mem14#1;havoc main_#t~mem14#1; {3863#false} is VALID [2022-02-20 16:55:14,740 INFO L290 TraceCheckUtils]: 43: Hoare triple {3863#false} assume !false; {3863#false} is VALID [2022-02-20 16:55:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 16:55:14,740 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:55:15,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430338515] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:55:15,184 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:55:15,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 23] total 43 [2022-02-20 16:55:15,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280387159] [2022-02-20 16:55:15,184 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:55:15,185 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 44 [2022-02-20 16:55:15,185 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:55:15,185 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:15,258 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:55:15,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-20 16:55:15,258 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:55:15,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-20 16:55:15,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=2118, Unknown=2, NotChecked=0, Total=2256 [2022-02-20 16:55:15,261 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:17,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:55:17,872 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2022-02-20 16:55:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-20 16:55:17,872 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 44 [2022-02-20 16:55:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:55:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 68 transitions. [2022-02-20 16:55:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 68 transitions. [2022-02-20 16:55:17,875 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 68 transitions. [2022-02-20 16:55:17,936 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:55:17,937 INFO L225 Difference]: With dead ends: 72 [2022-02-20 16:55:17,937 INFO L226 Difference]: Without dead ends: 60 [2022-02-20 16:55:17,938 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 750 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=230, Invalid=3307, Unknown=3, NotChecked=0, Total=3540 [2022-02-20 16:55:17,939 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 150 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-20 16:55:17,939 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 366 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 531 Invalid, 0 Unknown, 150 Unchecked, 0.6s Time] [2022-02-20 16:55:17,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-02-20 16:55:18,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2022-02-20 16:55:18,004 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:55:18,004 INFO L82 GeneralOperation]: Start isEquivalent. First operand 60 states. Second operand has 59 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:55:18,004 INFO L74 IsIncluded]: Start isIncluded. First operand 60 states. Second operand has 59 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:55:18,005 INFO L87 Difference]: Start difference. First operand 60 states. Second operand has 59 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:55:18,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:55:18,010 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2022-02-20 16:55:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2022-02-20 16:55:18,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:55:18,011 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:55:18,011 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 60 states. [2022-02-20 16:55:18,019 INFO L87 Difference]: Start difference. First operand has 59 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand 60 states. [2022-02-20 16:55:18,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:55:18,021 INFO L93 Difference]: Finished difference Result 60 states and 71 transitions. [2022-02-20 16:55:18,021 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2022-02-20 16:55:18,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:55:18,021 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:55:18,021 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:55:18,021 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:55:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 52 states have (on average 1.1346153846153846) internal successors, (59), 52 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-02-20 16:55:18,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 69 transitions. [2022-02-20 16:55:18,022 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 69 transitions. Word has length 44 [2022-02-20 16:55:18,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:55:18,023 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 69 transitions. [2022-02-20 16:55:18,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 41 states have (on average 1.5853658536585367) internal successors, (65), 37 states have internal predecessors, (65), 6 states have call successors, (6), 3 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:18,023 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2022-02-20 16:55:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-20 16:55:18,023 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:55:18,023 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:55:18,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-20 16:55:18,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-20 16:55:18,224 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:55:18,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:55:18,224 INFO L85 PathProgramCache]: Analyzing trace with hash -397769244, now seen corresponding path program 2 times [2022-02-20 16:55:18,224 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:55:18,224 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960869021] [2022-02-20 16:55:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:55:18,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:55:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-02-20 16:55:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:19,006 INFO L290 TraceCheckUtils]: 0: Hoare triple {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:19,006 INFO L290 TraceCheckUtils]: 1: Hoare triple {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:19,007 INFO L290 TraceCheckUtils]: 2: Hoare triple {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,007 INFO L290 TraceCheckUtils]: 3: Hoare triple {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,009 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {4427#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #103#return; {4433#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:55:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-02-20 16:55:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:19,105 INFO L290 TraceCheckUtils]: 0: Hoare triple {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:19,106 INFO L290 TraceCheckUtils]: 1: Hoare triple {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:19,107 INFO L290 TraceCheckUtils]: 2: Hoare triple {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,108 INFO L290 TraceCheckUtils]: 3: Hoare triple {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,109 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} {4435#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} #103#return; {4441#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:55:19,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 16:55:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:19,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:19,279 INFO L290 TraceCheckUtils]: 1: Hoare triple {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:19,280 INFO L290 TraceCheckUtils]: 2: Hoare triple {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:19,282 INFO L290 TraceCheckUtils]: 3: Hoare triple {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:19,284 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {4446#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} #105#return; {4452#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:55:19,284 INFO L290 TraceCheckUtils]: 0: Hoare triple {4425#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(21, 2); {4425#true} is VALID [2022-02-20 16:55:19,285 INFO L290 TraceCheckUtils]: 1: Hoare triple {4425#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {4427#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:55:19,286 INFO L290 TraceCheckUtils]: 2: Hoare triple {4427#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} assume !!(dll_create_~len#1 > 0); {4427#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} is VALID [2022-02-20 16:55:19,286 INFO L272 TraceCheckUtils]: 3: Hoare triple {4427#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:19,287 INFO L290 TraceCheckUtils]: 4: Hoare triple {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:19,288 INFO L290 TraceCheckUtils]: 5: Hoare triple {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} is VALID [2022-02-20 16:55:19,288 INFO L290 TraceCheckUtils]: 6: Hoare triple {4462#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (<= 0 |node_create_~temp~0#1.offset|))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,289 INFO L290 TraceCheckUtils]: 7: Hoare triple {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,290 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {4463#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {4427#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|))} #103#return; {4433#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:55:19,291 INFO L290 TraceCheckUtils]: 9: Hoare triple {4433#(and (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0) (not (= |ULTIMATE.start_dll_create_#t~ret4#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {4434#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:55:19,291 INFO L290 TraceCheckUtils]: 10: Hoare triple {4434#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {4434#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 16:55:19,291 INFO L290 TraceCheckUtils]: 11: Hoare triple {4434#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_~new_head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {4435#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:55:19,292 INFO L290 TraceCheckUtils]: 12: Hoare triple {4435#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {4435#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 16:55:19,293 INFO L272 TraceCheckUtils]: 13: Hoare triple {4435#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:19,294 INFO L290 TraceCheckUtils]: 14: Hoare triple {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:19,294 INFO L290 TraceCheckUtils]: 15: Hoare triple {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:19,295 INFO L290 TraceCheckUtils]: 16: Hoare triple {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,296 INFO L290 TraceCheckUtils]: 17: Hoare triple {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:19,297 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4465#(and (<= 0 |node_create_#res#1.offset|) (<= |node_create_#res#1.offset| 0) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= (store |old(#valid)| (@diff |old(#valid)| |#valid|) (select |#valid| (@diff |old(#valid)| |#valid|))) |#valid|) (= (select |#valid| |node_create_#res#1.base|) 1))} {4435#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0))} #103#return; {4441#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} is VALID [2022-02-20 16:55:19,298 INFO L290 TraceCheckUtils]: 19: Hoare triple {4441#(and (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_dll_create_#t~ret4#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {4442#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:55:19,299 INFO L290 TraceCheckUtils]: 20: Hoare triple {4442#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {4443#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:55:19,300 INFO L290 TraceCheckUtils]: 21: Hoare triple {4443#(and (= |ULTIMATE.start_dll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {4444#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:19,300 INFO L290 TraceCheckUtils]: 22: Hoare triple {4444#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} assume !(dll_create_~len#1 > 0); {4444#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} is VALID [2022-02-20 16:55:19,301 INFO L290 TraceCheckUtils]: 23: Hoare triple {4444#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4))) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) 4)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_~head~0#1.base|) 4) 0))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {4445#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} is VALID [2022-02-20 16:55:19,302 INFO L290 TraceCheckUtils]: 24: Hoare triple {4445#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_create_#res#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4) |ULTIMATE.start_main_~#s~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4))) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) 4)) 1))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {4446#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:19,303 INFO L272 TraceCheckUtils]: 25: Hoare triple {4446#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:19,303 INFO L290 TraceCheckUtils]: 26: Hoare triple {4461#(and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:19,304 INFO L290 TraceCheckUtils]: 27: Hoare triple {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} is VALID [2022-02-20 16:55:19,306 INFO L290 TraceCheckUtils]: 28: Hoare triple {4466#(and (<= (+ |node_create_~temp~0#1.base| 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |node_create_~temp~0#1.offset| (select |old(#valid)| |node_create_~temp~0#1.base|)) (not (= |node_create_~temp~0#1.base| 0)) (not (= |node_create_~temp~0#1.offset| 1)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:19,307 INFO L290 TraceCheckUtils]: 29: Hoare triple {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} assume true; {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} is VALID [2022-02-20 16:55:19,309 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4467#(and (or (<= (+ (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) 1) |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (<= (+ |node_create_#res#1.base| 1) |#StackHeapBarrier|) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)) 1)) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (= |node_create_#res#1.base| 0)) (not (= (select |old(#valid)| |node_create_#res#1.base|) 1)) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) (select |#memory_$Pointer$.offset| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)))) (or (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= (+ (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|) 1) |#StackHeapBarrier|)) (or (not (= (select |old(#valid)| (@diff |old(#memory_$Pointer$.offset)| |#memory_$Pointer$.offset|)) 1)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|) (select |#memory_$Pointer$.base| (@diff |old(#memory_$Pointer$.base)| |#memory_$Pointer$.base|)))))} {4446#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (<= (+ |#StackHeapBarrier| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} #105#return; {4452#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} is VALID [2022-02-20 16:55:19,310 INFO L290 TraceCheckUtils]: 31: Hoare triple {4452#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_#t~ret7#1.base|)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {4453#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} is VALID [2022-02-20 16:55:19,311 INFO L290 TraceCheckUtils]: 32: Hoare triple {4453#(and (not (= |ULTIMATE.start_dll_append_~head#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4))) (not (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|) 0) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~head#1.base|) |ULTIMATE.start_dll_append_~head#1.offset|)) 4) |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {4454#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} is VALID [2022-02-20 16:55:19,312 INFO L290 TraceCheckUtils]: 33: Hoare triple {4454#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {4455#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} is VALID [2022-02-20 16:55:19,313 INFO L290 TraceCheckUtils]: 34: Hoare triple {4455#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_#t~mem11#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_append_~last~0#1.base|) 4) 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_append_~last~0#1.base|) (+ |ULTIMATE.start_dll_append_~last~0#1.offset| 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {4456#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:19,313 INFO L290 TraceCheckUtils]: 35: Hoare triple {4456#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {4456#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:19,314 INFO L290 TraceCheckUtils]: 36: Hoare triple {4456#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {4456#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:19,315 INFO L290 TraceCheckUtils]: 37: Hoare triple {4456#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) |ULTIMATE.start_dll_append_~last~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= |ULTIMATE.start_dll_append_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~last~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {4457#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} is VALID [2022-02-20 16:55:19,316 INFO L290 TraceCheckUtils]: 38: Hoare triple {4457#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4)) 4) 0)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) 0))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {4458#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 4) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:55:19,316 INFO L290 TraceCheckUtils]: 39: Hoare triple {4458#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 4) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {4458#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 4) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))} is VALID [2022-02-20 16:55:19,317 INFO L290 TraceCheckUtils]: 40: Hoare triple {4458#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 4) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {4459#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-20 16:55:19,317 INFO L290 TraceCheckUtils]: 41: Hoare triple {4459#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {4459#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-20 16:55:19,317 INFO L290 TraceCheckUtils]: 42: Hoare triple {4459#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {4460#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:55:19,318 INFO L290 TraceCheckUtils]: 43: Hoare triple {4460#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {4426#false} is VALID [2022-02-20 16:55:19,318 INFO L290 TraceCheckUtils]: 44: Hoare triple {4426#false} assume main_~count~0#1 != 1 + main_~len~0#1; {4426#false} is VALID [2022-02-20 16:55:19,318 INFO L290 TraceCheckUtils]: 45: Hoare triple {4426#false} assume !false; {4426#false} is VALID [2022-02-20 16:55:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 16:55:19,318 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:55:19,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960869021] [2022-02-20 16:55:19,318 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960869021] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:55:19,318 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297339064] [2022-02-20 16:55:19,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 16:55:19,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 16:55:19,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:55:19,320 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 16:55:19,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-20 16:55:19,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 16:55:19,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 16:55:19,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 109 conjunts are in the unsatisfiable core [2022-02-20 16:55:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:55:19,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:55:19,622 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 [2022-02-20 16:55:19,894 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 5 treesize of output 3 [2022-02-20 16:55:20,040 INFO L356 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2022-02-20 16:55:20,040 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 19 treesize of output 16 [2022-02-20 16:55:20,109 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 [2022-02-20 16:55:20,177 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 16:55:20,177 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 43 treesize of output 42 [2022-02-20 16:55:20,560 INFO L356 Elim1Store]: treesize reduction 3, result has 83.3 percent of original size [2022-02-20 16:55:20,561 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 36 [2022-02-20 16:55:20,589 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 11 [2022-02-20 16:55:20,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 16:55:20,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:20,871 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-02-20 16:55:20,871 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 76 treesize of output 68 [2022-02-20 16:55:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 16:55:20,881 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 67 treesize of output 65 [2022-02-20 16:55:20,893 INFO L356 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2022-02-20 16:55:20,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 36 [2022-02-20 16:55:21,397 INFO L356 Elim1Store]: treesize reduction 84, result has 20.0 percent of original size [2022-02-20 16:55:21,397 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 6 new quantified variables, introduced 3 case distinctions, treesize of input 149 treesize of output 81 [2022-02-20 16:55:21,435 INFO L356 Elim1Store]: treesize reduction 66, result has 19.5 percent of original size [2022-02-20 16:55:21,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 310 treesize of output 207 [2022-02-20 16:55:21,455 INFO L356 Elim1Store]: treesize reduction 114, result has 14.9 percent of original size [2022-02-20 16:55:21,455 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 270 treesize of output 233 [2022-02-20 16:55:21,741 INFO L356 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2022-02-20 16:55:21,741 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 247 treesize of output 150 [2022-02-20 16:55:28,906 INFO L356 Elim1Store]: treesize reduction 32, result has 22.0 percent of original size [2022-02-20 16:55:28,906 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 5 new quantified variables, introduced 3 case distinctions, treesize of input 132 treesize of output 45 [2022-02-20 16:55:28,995 INFO L290 TraceCheckUtils]: 0: Hoare triple {4425#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(21, 2); {4425#true} is VALID [2022-02-20 16:55:28,995 INFO L290 TraceCheckUtils]: 1: Hoare triple {4425#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~post16#1, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_~len~0#1, main_~data~0#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~ptr~0#1.base, main_~ptr~0#1.offset, main_~count~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_dll_create } true;dll_create_#in~len#1, dll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc dll_create_#res#1.base, dll_create_#res#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset, dll_create_#t~post5#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~len#1, dll_create_~data#1, dll_create_~head~0#1.base, dll_create_~head~0#1.offset;dll_create_~len#1 := dll_create_#in~len#1;dll_create_~data#1 := dll_create_#in~data#1;dll_create_~head~0#1.base, dll_create_~head~0#1.offset := 0, 0; {4474#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:28,996 INFO L290 TraceCheckUtils]: 2: Hoare triple {4474#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {4474#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:28,996 INFO L272 TraceCheckUtils]: 3: Hoare triple {4474#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {4425#true} is VALID [2022-02-20 16:55:28,996 INFO L290 TraceCheckUtils]: 4: Hoare triple {4425#true} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4484#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:28,997 INFO L290 TraceCheckUtils]: 5: Hoare triple {4484#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4484#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:28,998 INFO L290 TraceCheckUtils]: 6: Hoare triple {4484#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= 1 (select |#valid| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4491#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:28,999 INFO L290 TraceCheckUtils]: 7: Hoare triple {4491#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {4491#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:29,000 INFO L284 TraceCheckUtils]: 8: Hoare quadruple {4491#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (= (select |#valid| |node_create_#res#1.base|) 1))} {4474#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #103#return; {4498#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,000 INFO L290 TraceCheckUtils]: 9: Hoare triple {4498#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< |ULTIMATE.start_dll_create_#t~ret4#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {4502#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,001 INFO L290 TraceCheckUtils]: 10: Hoare triple {4502#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0); {4502#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,001 INFO L290 TraceCheckUtils]: 11: Hoare triple {4502#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~new_head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {4509#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,002 INFO L290 TraceCheckUtils]: 12: Hoare triple {4509#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_create_~len#1 > 0); {4509#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,002 INFO L272 TraceCheckUtils]: 13: Hoare triple {4509#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset := node_create(dll_create_~data#1); {4516#(= |old(#valid)| |#valid|)} is VALID [2022-02-20 16:55:29,003 INFO L290 TraceCheckUtils]: 14: Hoare triple {4516#(= |old(#valid)| |#valid|)} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:29,003 INFO L290 TraceCheckUtils]: 15: Hoare triple {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:29,004 INFO L290 TraceCheckUtils]: 16: Hoare triple {4464#(and (= 1 (select |#valid| |node_create_~temp~0#1.base|)) (<= |node_create_~temp~0#1.offset| 0) (<= 0 |node_create_~temp~0#1.offset|) (= |#valid| (store |old(#valid)| |node_create_~temp~0#1.base| (select |#valid| |node_create_~temp~0#1.base|))) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4526#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= |#valid| (store |old(#valid)| |node_create_#res#1.base| (select |#valid| |node_create_#res#1.base|))) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:29,005 INFO L290 TraceCheckUtils]: 17: Hoare triple {4526#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= |#valid| (store |old(#valid)| |node_create_#res#1.base| (select |#valid| |node_create_#res#1.base|))) (= (select |#valid| |node_create_#res#1.base|) 1))} assume true; {4526#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= |#valid| (store |old(#valid)| |node_create_#res#1.base| (select |#valid| |node_create_#res#1.base|))) (= (select |#valid| |node_create_#res#1.base|) 1))} is VALID [2022-02-20 16:55:29,006 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {4526#(and (= (select |old(#valid)| |node_create_#res#1.base|) 0) (= |#valid| (store |old(#valid)| |node_create_#res#1.base| (select |#valid| |node_create_#res#1.base|))) (= (select |#valid| |node_create_#res#1.base|) 1))} {4509#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #103#return; {4533#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,007 INFO L290 TraceCheckUtils]: 19: Hoare triple {4533#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_#t~ret4#1.base|)) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= (select |#valid| |ULTIMATE.start_dll_create_#t~ret4#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset := dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;havoc dll_create_#t~ret4#1.base, dll_create_#t~ret4#1.offset;call write~int(dll_create_~data#1, dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, 4);call write~$Pointer$(dll_create_~head~0#1.base, dll_create_~head~0#1.offset, dll_create_~new_head~0#1.base, 4 + dll_create_~new_head~0#1.offset, 4); {4537#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,008 INFO L290 TraceCheckUtils]: 20: Hoare triple {4537#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (< |ULTIMATE.start_dll_create_~head~0#1.base| |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume dll_create_~head~0#1.base != 0 || dll_create_~head~0#1.offset != 0;call write~$Pointer$(dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset, dll_create_~head~0#1.base, 8 + dll_create_~head~0#1.offset, 4); {4541#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} is VALID [2022-02-20 16:55:29,008 INFO L290 TraceCheckUtils]: 21: Hoare triple {4541#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~new_head~0#1.base|) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_create_~new_head~0#1.base|)) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_create_~new_head~0#1.offset| 4))) 1))} dll_create_~head~0#1.base, dll_create_~head~0#1.offset := dll_create_~new_head~0#1.base, dll_create_~new_head~0#1.offset;dll_create_#t~post5#1 := dll_create_~len#1;dll_create_~len#1 := dll_create_#t~post5#1 - 1;havoc dll_create_#t~post5#1; {4545#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) |#StackHeapBarrier|))} is VALID [2022-02-20 16:55:29,009 INFO L290 TraceCheckUtils]: 22: Hoare triple {4545#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) |#StackHeapBarrier|))} assume !(dll_create_~len#1 > 0); {4545#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) |#StackHeapBarrier|))} is VALID [2022-02-20 16:55:29,009 INFO L290 TraceCheckUtils]: 23: Hoare triple {4545#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_create_~head~0#1.offset| 4)) |#StackHeapBarrier|))} dll_create_#res#1.base, dll_create_#res#1.offset := dll_create_~head~0#1.base, dll_create_~head~0#1.offset; {4552#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)))) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) |#StackHeapBarrier|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,010 INFO L290 TraceCheckUtils]: 24: Hoare triple {4552#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)))) (= (select |#valid| |ULTIMATE.start_dll_create_#res#1.base|) 1) (< (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4)) |#StackHeapBarrier|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_create_#res#1.base|) (+ |ULTIMATE.start_dll_create_#res#1.offset| 4))) 1) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := dll_create_#res#1.base, dll_create_#res#1.offset;assume { :end_inline_dll_create } true;call write~init~$Pointer$(main_#t~ret12#1.base, main_#t~ret12#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;assume { :begin_inline_dll_append } true;dll_append_#in~head#1.base, dll_append_#in~head#1.offset, dll_append_#in~data#1 := main_~#s~0#1.base, main_~#s~0#1.offset, main_~data~0#1;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset, dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset, dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset, dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset, dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset, dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~head#1.base, dll_append_~head#1.offset, dll_append_~data#1, dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset;dll_append_~head#1.base, dll_append_~head#1.offset := dll_append_#in~head#1.base, dll_append_#in~head#1.offset;dll_append_~data#1 := dll_append_#in~data#1; {4556#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) 1) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,011 INFO L272 TraceCheckUtils]: 25: Hoare triple {4556#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) 1) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset := node_create(dll_append_~data#1); {4560#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} is VALID [2022-02-20 16:55:29,012 INFO L290 TraceCheckUtils]: 26: Hoare triple {4560#(and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|))} ~data#1 := #in~data#1;call #t~malloc3#1.base, #t~malloc3#1.offset := #Ultimate.allocOnHeap(12);~temp~0#1.base, ~temp~0#1.offset := #t~malloc3#1.base, #t~malloc3#1.offset;havoc #t~malloc3#1.base, #t~malloc3#1.offset; {4564#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:29,012 INFO L290 TraceCheckUtils]: 27: Hoare triple {4564#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} assume !(0 == ~temp~0#1.base && 0 == ~temp~0#1.offset); {4564#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} is VALID [2022-02-20 16:55:29,013 INFO L290 TraceCheckUtils]: 28: Hoare triple {4564#(and (< |node_create_~temp~0#1.base| |#StackHeapBarrier|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (not (= |node_create_~temp~0#1.base| 0)) (= 0 (select |old(#valid)| |node_create_~temp~0#1.base|)))} call write~$Pointer$(0, 0, ~temp~0#1.base, 4 + ~temp~0#1.offset, 4);call write~$Pointer$(0, 0, ~temp~0#1.base, 8 + ~temp~0#1.offset, 4);call write~int(~data#1, ~temp~0#1.base, ~temp~0#1.offset, 4);#res#1.base, #res#1.offset := ~temp~0#1.base, ~temp~0#1.offset; {4571#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2461 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2461))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_2462 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2462))))} is VALID [2022-02-20 16:55:29,014 INFO L290 TraceCheckUtils]: 29: Hoare triple {4571#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2461 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2461))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_2462 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2462))))} assume true; {4571#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2461 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2461))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_2462 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2462))))} is VALID [2022-02-20 16:55:29,016 INFO L284 TraceCheckUtils]: 30: Hoare quadruple {4571#(and (< |node_create_#res#1.base| |#StackHeapBarrier|) (exists ((v_ArrVal_2461 (Array Int Int))) (= |#memory_$Pointer$.offset| (store |old(#memory_$Pointer$.offset)| |node_create_#res#1.base| v_ArrVal_2461))) (= (select |old(#valid)| |node_create_#res#1.base|) 0) (not (= |node_create_#res#1.base| 0)) (exists ((v_ArrVal_2462 (Array Int Int))) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| |node_create_#res#1.base| v_ArrVal_2462))))} {4556#(and (< |#StackHeapBarrier| |ULTIMATE.start_main_~#s~0#1.base|) (< (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |#StackHeapBarrier|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) 1) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #105#return; {4578#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)))} is VALID [2022-02-20 16:55:29,016 INFO L290 TraceCheckUtils]: 31: Hoare triple {4578#(and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_#t~ret7#1.base|)) (< (+ |ULTIMATE.start_dll_append_#t~ret7#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_dll_append_#t~ret7#1.base| 0)))} dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset := dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;havoc dll_append_#t~ret7#1.base, dll_append_#t~ret7#1.offset;call dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4); {4582#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,017 INFO L290 TraceCheckUtils]: 32: Hoare triple {4582#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_dll_append_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~head#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(0 == dll_append_#t~mem8#1.base && 0 == dll_append_#t~mem8#1.offset);havoc dll_append_#t~mem8#1.base, dll_append_#t~mem8#1.offset;call dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset := read~$Pointer$(dll_append_~head#1.base, dll_append_~head#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset;havoc dll_append_#t~mem9#1.base, dll_append_#t~mem9#1.offset; {4586#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,018 INFO L290 TraceCheckUtils]: 33: Hoare triple {4586#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {4586#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 16:55:29,019 INFO L290 TraceCheckUtils]: 34: Hoare triple {4586#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_dll_append_~last~0#1.offset|) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset;call dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);dll_append_~last~0#1.base, dll_append_~last~0#1.offset := dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset;havoc dll_append_#t~mem10#1.base, dll_append_#t~mem10#1.offset; {4593#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} is VALID [2022-02-20 16:55:29,020 INFO L290 TraceCheckUtils]: 35: Hoare triple {4593#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} call dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset := read~$Pointer$(dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4); {4593#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} is VALID [2022-02-20 16:55:29,020 INFO L290 TraceCheckUtils]: 36: Hoare triple {4593#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} assume !(dll_append_#t~mem11#1.base != 0 || dll_append_#t~mem11#1.offset != 0);havoc dll_append_#t~mem11#1.base, dll_append_#t~mem11#1.offset; {4593#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} is VALID [2022-02-20 16:55:29,022 INFO L290 TraceCheckUtils]: 37: Hoare triple {4593#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) |ULTIMATE.start_dll_append_~new_last~0#1.base|)) (= |ULTIMATE.start_dll_append_~last~0#1.offset| (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| 0)) (< (+ |ULTIMATE.start_dll_append_~new_last~0#1.base| 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= |ULTIMATE.start_dll_append_~new_last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_dll_append_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))))} call write~$Pointer$(dll_append_~new_last~0#1.base, dll_append_~new_last~0#1.offset, dll_append_~last~0#1.base, 4 + dll_append_~last~0#1.offset, 4);call write~$Pointer$(dll_append_~last~0#1.base, dll_append_~last~0#1.offset, dll_append_~new_last~0#1.base, 8 + dll_append_~new_last~0#1.offset, 4); {4603#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 16:55:29,023 INFO L290 TraceCheckUtils]: 38: Hoare triple {4603#(and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) 0)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 4)) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume { :end_inline_dll_append } true;call main_#t~mem13#1.base, main_#t~mem13#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem13#1.base, main_#t~mem13#1.offset;havoc main_#t~mem13#1.base, main_#t~mem13#1.offset;main_~count~0#1 := 0; {4607#(exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 0))))} is VALID [2022-02-20 16:55:29,024 INFO L290 TraceCheckUtils]: 39: Hoare triple {4607#(exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 0))))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {4607#(exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 0))))} is VALID [2022-02-20 16:55:29,026 INFO L290 TraceCheckUtils]: 40: Hoare triple {4607#(exists ((|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) |ULTIMATE.start_main_~ptr~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) 0) 4)) 4)) 0))))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {4614#(exists ((v_arrayElimIndex_61 Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))))} is VALID [2022-02-20 16:55:29,027 INFO L290 TraceCheckUtils]: 41: Hoare triple {4614#(exists ((v_arrayElimIndex_61 Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))))} assume !!(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0);call main_#t~mem14#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); {4614#(exists ((v_arrayElimIndex_61 Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))))} is VALID [2022-02-20 16:55:29,028 INFO L290 TraceCheckUtils]: 42: Hoare triple {4614#(exists ((v_arrayElimIndex_61 Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61) 1) |ULTIMATE.start_main_~#s~0#1.base|) (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (< (+ (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 1) |ULTIMATE.start_main_~#s~0#1.base|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) 0)) v_arrayElimIndex_61)) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)) 0))))} assume !(main_~data~0#1 != main_#t~mem14#1);havoc main_#t~mem14#1;call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4);main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;main_#t~post16#1 := main_~count~0#1;main_~count~0#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; {4460#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} is VALID [2022-02-20 16:55:29,028 INFO L290 TraceCheckUtils]: 43: Hoare triple {4460#(not (= |ULTIMATE.start_main_~ptr~0#1.base| 0))} assume !(main_~ptr~0#1.base != 0 || main_~ptr~0#1.offset != 0); {4426#false} is VALID [2022-02-20 16:55:29,028 INFO L290 TraceCheckUtils]: 44: Hoare triple {4426#false} assume main_~count~0#1 != 1 + main_~len~0#1; {4426#false} is VALID [2022-02-20 16:55:29,028 INFO L290 TraceCheckUtils]: 45: Hoare triple {4426#false} assume !false; {4426#false} is VALID [2022-02-20 16:55:29,029 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:55:29,029 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 16:55:32,429 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2466 (Array Int Int)) (v_ArrVal_2464 (Array Int Int)) (v_ArrVal_2470 (Array Int Int))) (not (= (let ((.cse5 (+ |c_ULTIMATE.start_dll_append_~last~0#1.offset| 4))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse5))) (let ((.cse3 (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_2470) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_2466)) (.cse0 (store (store |c_#memory_$Pointer$.base| .cse4 (store (select |c_#memory_$Pointer$.base| .cse4) (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~last~0#1.base|) .cse5) 4) |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_2464))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse2 (+ (select (select .cse3 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (+ (select (select .cse3 .cse1) .cse2) 4)))))) 0))) is different from false [2022-02-20 16:55:32,447 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2466 (Array Int Int)) (v_ArrVal_2464 (Array Int Int)) (v_ArrVal_2470 (Array Int Int))) (not (= (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (.cse6 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| .cse5) .cse6))) (let ((.cse3 (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_2470) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_2466)) (.cse0 (store (store |c_#memory_$Pointer$.base| .cse4 (store (select |c_#memory_$Pointer$.base| .cse4) (+ (select (select |c_#memory_$Pointer$.offset| .cse5) .cse6) 4) |c_ULTIMATE.start_dll_append_~new_last~0#1.base|)) |c_ULTIMATE.start_dll_append_~new_last~0#1.base| v_ArrVal_2464))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse2 (+ 4 (select (select .cse3 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)))) (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (+ (select (select .cse3 .cse1) .cse2) 4)))))) 0))) is different from false [2022-02-20 16:55:32,460 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2466 (Array Int Int)) (v_ArrVal_2464 (Array Int Int)) (v_ArrVal_2470 (Array Int Int))) (not (= (let ((.cse5 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|)) (.cse6 (+ (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_append_~head#1.base|) |c_ULTIMATE.start_dll_append_~head#1.offset|) 4))) (let ((.cse4 (select (select |c_#memory_$Pointer$.base| .cse5) .cse6))) (let ((.cse3 (store (store |c_#memory_$Pointer$.offset| .cse4 v_ArrVal_2470) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_2466)) (.cse0 (store (store |c_#memory_$Pointer$.base| .cse4 (store (select |c_#memory_$Pointer$.base| .cse4) (+ (select (select |c_#memory_$Pointer$.offset| .cse5) .cse6) 4) |c_ULTIMATE.start_dll_append_#t~ret7#1.base|)) |c_ULTIMATE.start_dll_append_#t~ret7#1.base| v_ArrVal_2464))) (let ((.cse1 (select (select .cse0 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (.cse2 (+ (select (select .cse3 |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 4))) (select (select .cse0 (select (select .cse0 .cse1) .cse2)) (+ (select (select .cse3 .cse1) .cse2) 4)))))) 0))) is different from false [2022-02-20 16:55:32,881 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297339064] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 16:55:32,881 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 16:55:32,881 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28] total 52 [2022-02-20 16:55:32,882 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888911943] [2022-02-20 16:55:32,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 16:55:32,882 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 50 states have (on average 1.5) internal successors, (75), 43 states have internal predecessors, (75), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 46 [2022-02-20 16:55:32,883 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:55:32,884 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 52 states, 50 states have (on average 1.5) internal successors, (75), 43 states have internal predecessors, (75), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 16:55:32,986 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:55:32,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2022-02-20 16:55:32,987 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:55:32,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2022-02-20 16:55:32,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=3043, Unknown=12, NotChecked=336, Total=3540 [2022-02-20 16:55:32,988 INFO L87 Difference]: Start difference. First operand 59 states and 69 transitions. Second operand has 52 states, 50 states have (on average 1.5) internal successors, (75), 43 states have internal predecessors, (75), 6 states have call successors, (6), 4 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)