./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:59:51,066 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:59:51,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:59:51,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:59:51,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:59:51,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:59:51,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:59:51,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:59:51,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:59:51,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:59:51,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:59:51,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:59:51,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:59:51,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:59:51,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:59:51,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:59:51,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:59:51,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:59:51,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:59:51,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:59:51,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:59:51,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:59:51,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:59:51,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:59:51,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:59:51,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:59:51,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:59:51,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:59:51,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:59:51,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:59:51,130 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:59:51,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:59:51,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:59:51,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:59:51,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:59:51,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:59:51,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:59:51,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:59:51,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:59:51,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:59:51,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:59:51,136 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:59:51,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:59:51,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:59:51,161 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:59:51,161 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:59:51,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:59:51,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:59:51,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:59:51,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:59:51,163 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:59:51,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:59:51,163 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:59:51,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:59:51,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:59:51,165 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:59:51,165 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:59:51,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:59:51,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:59:51,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:59:51,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:59:51,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:59:51,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:59:51,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:59:51,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:59:51,166 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60a477b5dcc7be77af17ce3cc379f1876781ed95f896fb2ca2dbb7ba91ecb849 [2022-02-20 23:59:51,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:59:51,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:59:51,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:59:51,370 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:59:51,370 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:59:51,371 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2022-02-20 23:59:51,428 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5656791/59505d13288242caaa7110573847b9c2/FLAG3db3e83ae [2022-02-20 23:59:51,830 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:59:51,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-simple/sll2n_update_all_reverse.i [2022-02-20 23:59:51,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5656791/59505d13288242caaa7110573847b9c2/FLAG3db3e83ae [2022-02-20 23:59:51,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd5656791/59505d13288242caaa7110573847b9c2 [2022-02-20 23:59:51,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:59:51,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:59:51,856 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:59:51,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:59:51,859 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:59:51,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:59:51" (1/1) ... [2022-02-20 23:59:51,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3841d548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:51, skipping insertion in model container [2022-02-20 23:59:51,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:59:51" (1/1) ... [2022-02-20 23:59:51,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:59:51,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:59:52,121 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/sll2n_update_all_reverse.i[24236,24249] [2022-02-20 23:59:52,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:59:52,128 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:59:52,156 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/sll2n_update_all_reverse.i[24236,24249] [2022-02-20 23:59:52,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:59:52,175 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:59:52,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52 WrapperNode [2022-02-20 23:59:52,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:59:52,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:59:52,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:59:52,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:59:52,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,246 INFO L137 Inliner]: procedures = 126, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2022-02-20 23:59:52,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:59:52,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:59:52,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:59:52,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:59:52,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:59:52,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:59:52,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:59:52,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:59:52,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (1/1) ... [2022-02-20 23:59:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:59:52,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:59:52,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:59:52,335 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 23:59:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:59:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:59:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:59:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:59:52,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:59:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:59:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:59:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:59:52,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:59:52,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:59:52,467 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:59:52,468 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:59:52,773 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:59:52,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:59:52,781 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-20 23:59:52,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:59:52 BoogieIcfgContainer [2022-02-20 23:59:52,782 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:59:52,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:59:52,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:59:52,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:59:52,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:59:51" (1/3) ... [2022-02-20 23:59:52,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ce912e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:59:52, skipping insertion in model container [2022-02-20 23:59:52,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:52" (2/3) ... [2022-02-20 23:59:52,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ce912e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:59:52, skipping insertion in model container [2022-02-20 23:59:52,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:59:52" (3/3) ... [2022-02-20 23:59:52,789 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2022-02-20 23:59:52,792 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:59:52,792 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2022-02-20 23:59:52,826 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:59:52,832 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 23:59:52,832 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-02-20 23:59:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.8333333333333333) internal successors, (77), 63 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-02-20 23:59:52,859 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:52,860 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-02-20 23:59:52,860 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:52,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:52,864 INFO L85 PathProgramCache]: Analyzing trace with hash 28698858, now seen corresponding path program 1 times [2022-02-20 23:59:52,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:52,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944003651] [2022-02-20 23:59:52,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:52,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:53,035 INFO L290 TraceCheckUtils]: 0: Hoare triple {67#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {67#true} is VALID [2022-02-20 23:59:53,036 INFO L290 TraceCheckUtils]: 1: Hoare triple {67#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {67#true} is VALID [2022-02-20 23:59:53,038 INFO L290 TraceCheckUtils]: 2: Hoare triple {67#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {69#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:53,038 INFO L290 TraceCheckUtils]: 3: Hoare triple {69#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {69#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:53,039 INFO L290 TraceCheckUtils]: 4: Hoare triple {69#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} assume !(1 == #valid[node_create_~temp~0#1.base]); {68#false} is VALID [2022-02-20 23:59:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:53,040 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:53,040 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944003651] [2022-02-20 23:59:53,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944003651] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:53,041 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:53,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:59:53,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740543739] [2022-02-20 23:59:53,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:53,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:59:53,046 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:53,049 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,058 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:59:53,059 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:53,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:59:53,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:53,080 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.8333333333333333) internal successors, (77), 63 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,279 INFO L93 Difference]: Finished difference Result 109 states and 120 transitions. [2022-02-20 23:59:53,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:59:53,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:59:53,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2022-02-20 23:59:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 136 transitions. [2022-02-20 23:59:53,296 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 136 transitions. [2022-02-20 23:59:53,408 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 136 edges. 136 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,419 INFO L225 Difference]: With dead ends: 109 [2022-02-20 23:59:53,419 INFO L226 Difference]: Without dead ends: 104 [2022-02-20 23:59:53,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:53,425 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 63 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:53,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 133 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:59:53,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-02-20 23:59:53,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 59. [2022-02-20 23:59:53,444 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:53,445 INFO L82 GeneralOperation]: Start isEquivalent. First operand 104 states. Second operand has 59 states, 40 states have (on average 1.6) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,445 INFO L74 IsIncluded]: Start isIncluded. First operand 104 states. Second operand has 59 states, 40 states have (on average 1.6) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,446 INFO L87 Difference]: Start difference. First operand 104 states. Second operand has 59 states, 40 states have (on average 1.6) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,449 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions. [2022-02-20 23:59:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2022-02-20 23:59:53,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:53,450 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:53,451 INFO L74 IsIncluded]: Start isIncluded. First operand has 59 states, 40 states have (on average 1.6) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 104 states. [2022-02-20 23:59:53,451 INFO L87 Difference]: Start difference. First operand has 59 states, 40 states have (on average 1.6) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 104 states. [2022-02-20 23:59:53,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,454 INFO L93 Difference]: Finished difference Result 104 states and 114 transitions. [2022-02-20 23:59:53,454 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2022-02-20 23:59:53,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:53,455 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:53,455 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:53,455 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:53,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.6) internal successors, (64), 58 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 64 transitions. [2022-02-20 23:59:53,458 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 64 transitions. Word has length 5 [2022-02-20 23:59:53,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:53,458 INFO L470 AbstractCegarLoop]: Abstraction has 59 states and 64 transitions. [2022-02-20 23:59:53,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2022-02-20 23:59:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-02-20 23:59:53,459 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:53,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-02-20 23:59:53,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:59:53,459 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:53,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash 28698859, now seen corresponding path program 1 times [2022-02-20 23:59:53,460 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:53,460 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075799177] [2022-02-20 23:59:53,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:53,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:53,495 INFO L290 TraceCheckUtils]: 0: Hoare triple {448#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {448#true} is VALID [2022-02-20 23:59:53,495 INFO L290 TraceCheckUtils]: 1: Hoare triple {448#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {448#true} is VALID [2022-02-20 23:59:53,496 INFO L290 TraceCheckUtils]: 2: Hoare triple {448#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {450#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-20 23:59:53,496 INFO L290 TraceCheckUtils]: 3: Hoare triple {450#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {450#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-20 23:59:53,497 INFO L290 TraceCheckUtils]: 4: Hoare triple {450#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} assume !(4 + (4 + node_create_~temp~0#1.offset) <= #length[node_create_~temp~0#1.base] && 0 <= 4 + node_create_~temp~0#1.offset); {449#false} is VALID [2022-02-20 23:59:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:53,497 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:53,497 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075799177] [2022-02-20 23:59:53,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075799177] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:53,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:53,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:59:53,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556471004] [2022-02-20 23:59:53,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:53,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:59:53,499 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:53,499 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,503 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:59:53,504 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:53,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:59:53,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:53,504 INFO L87 Difference]: Start difference. First operand 59 states and 64 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,629 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-02-20 23:59:53,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:59:53,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-02-20 23:59:53,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:53,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2022-02-20 23:59:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 114 transitions. [2022-02-20 23:59:53,633 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 114 transitions. [2022-02-20 23:59:53,717 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 114 edges. 114 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,719 INFO L225 Difference]: With dead ends: 102 [2022-02-20 23:59:53,719 INFO L226 Difference]: Without dead ends: 102 [2022-02-20 23:59:53,720 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:53,721 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 58 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:53,721 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 135 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:53,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-02-20 23:59:53,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 57. [2022-02-20 23:59:53,724 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:53,724 INFO L82 GeneralOperation]: Start isEquivalent. First operand 102 states. Second operand has 57 states, 40 states have (on average 1.55) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,724 INFO L74 IsIncluded]: Start isIncluded. First operand 102 states. Second operand has 57 states, 40 states have (on average 1.55) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,725 INFO L87 Difference]: Start difference. First operand 102 states. Second operand has 57 states, 40 states have (on average 1.55) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,727 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-02-20 23:59:53,727 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-02-20 23:59:53,728 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:53,728 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:53,728 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 40 states have (on average 1.55) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 102 states. [2022-02-20 23:59:53,728 INFO L87 Difference]: Start difference. First operand has 57 states, 40 states have (on average 1.55) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 102 states. [2022-02-20 23:59:53,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,730 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-02-20 23:59:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-02-20 23:59:53,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:53,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:53,731 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:53,731 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:53,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.55) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2022-02-20 23:59:53,733 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 5 [2022-02-20 23:59:53,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:53,733 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2022-02-20 23:59:53,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,733 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2022-02-20 23:59:53,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-02-20 23:59:53,734 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:53,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:53,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:59:53,734 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:53,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:53,735 INFO L85 PathProgramCache]: Analyzing trace with hash 231010834, now seen corresponding path program 1 times [2022-02-20 23:59:53,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:53,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262449345] [2022-02-20 23:59:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:53,755 INFO L290 TraceCheckUtils]: 0: Hoare triple {816#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {816#true} is VALID [2022-02-20 23:59:53,756 INFO L290 TraceCheckUtils]: 1: Hoare triple {816#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {818#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:53,756 INFO L290 TraceCheckUtils]: 2: Hoare triple {818#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} assume !(sll_create_~len#1 > 0); {817#false} is VALID [2022-02-20 23:59:53,756 INFO L290 TraceCheckUtils]: 3: Hoare triple {817#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {817#false} is VALID [2022-02-20 23:59:53,756 INFO L290 TraceCheckUtils]: 4: Hoare triple {817#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {817#false} is VALID [2022-02-20 23:59:53,757 INFO L290 TraceCheckUtils]: 5: Hoare triple {817#false} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {817#false} is VALID [2022-02-20 23:59:53,757 INFO L290 TraceCheckUtils]: 6: Hoare triple {817#false} assume !(sll_update_at_~index#1 > 0); {817#false} is VALID [2022-02-20 23:59:53,757 INFO L290 TraceCheckUtils]: 7: Hoare triple {817#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {817#false} is VALID [2022-02-20 23:59:53,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:53,757 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:53,758 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262449345] [2022-02-20 23:59:53,758 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262449345] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:53,758 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:53,758 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 23:59:53,758 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506074856] [2022-02-20 23:59:53,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:53,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:59:53,759 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:53,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,764 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:59:53,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:53,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:59:53,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:53,777 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,828 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2022-02-20 23:59:53,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:59:53,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-02-20 23:59:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:53,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2022-02-20 23:59:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2022-02-20 23:59:53,831 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 74 transitions. [2022-02-20 23:59:53,880 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,881 INFO L225 Difference]: With dead ends: 68 [2022-02-20 23:59:53,881 INFO L226 Difference]: Without dead ends: 68 [2022-02-20 23:59:53,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:59:53,883 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 10 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:53,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 118 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:53,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-02-20 23:59:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 58. [2022-02-20 23:59:53,885 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:53,886 INFO L82 GeneralOperation]: Start isEquivalent. First operand 68 states. Second operand has 58 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,886 INFO L74 IsIncluded]: Start isIncluded. First operand 68 states. Second operand has 58 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,886 INFO L87 Difference]: Start difference. First operand 68 states. Second operand has 58 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,888 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2022-02-20 23:59:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2022-02-20 23:59:53,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:53,888 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:53,889 INFO L74 IsIncluded]: Start isIncluded. First operand has 58 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 68 states. [2022-02-20 23:59:53,889 INFO L87 Difference]: Start difference. First operand has 58 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 68 states. [2022-02-20 23:59:53,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:53,890 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2022-02-20 23:59:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2022-02-20 23:59:53,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:53,891 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:53,891 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:53,891 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 41 states have (on average 1.5365853658536586) internal successors, (63), 57 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 63 transitions. [2022-02-20 23:59:53,893 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 63 transitions. Word has length 8 [2022-02-20 23:59:53,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:53,893 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 63 transitions. [2022-02-20 23:59:53,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,893 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 63 transitions. [2022-02-20 23:59:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 23:59:53,894 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:53,894 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:53,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:59:53,894 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:53,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:53,895 INFO L85 PathProgramCache]: Analyzing trace with hash -245418610, now seen corresponding path program 1 times [2022-02-20 23:59:53,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:53,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189215332] [2022-02-20 23:59:53,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:53,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:53,936 INFO L290 TraceCheckUtils]: 0: Hoare triple {1083#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1083#true} is VALID [2022-02-20 23:59:53,936 INFO L290 TraceCheckUtils]: 1: Hoare triple {1083#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1083#true} is VALID [2022-02-20 23:59:53,937 INFO L290 TraceCheckUtils]: 2: Hoare triple {1083#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1083#true} is VALID [2022-02-20 23:59:53,937 INFO L290 TraceCheckUtils]: 3: Hoare triple {1083#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1083#true} is VALID [2022-02-20 23:59:53,937 INFO L290 TraceCheckUtils]: 4: Hoare triple {1083#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1085#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:53,938 INFO L290 TraceCheckUtils]: 5: Hoare triple {1085#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1085#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:53,938 INFO L290 TraceCheckUtils]: 6: Hoare triple {1085#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {1086#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-20 23:59:53,939 INFO L290 TraceCheckUtils]: 7: Hoare triple {1086#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {1087#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:53,939 INFO L290 TraceCheckUtils]: 8: Hoare triple {1087#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} assume !(1 == #valid[sll_create_~new_head~0#1.base]); {1084#false} is VALID [2022-02-20 23:59:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:53,939 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:53,940 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189215332] [2022-02-20 23:59:53,940 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189215332] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:53,940 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:53,940 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:59:53,940 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444388576] [2022-02-20 23:59:53,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:53,941 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 23:59:53,941 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:53,941 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:53,947 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:53,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:59:53,948 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:53,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:59:53,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:59:53,949 INFO L87 Difference]: Start difference. First operand 58 states and 63 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,107 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-20 23:59:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:59:54,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 23:59:54,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:54,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2022-02-20 23:59:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 82 transitions. [2022-02-20 23:59:54,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 82 transitions. [2022-02-20 23:59:54,176 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:54,177 INFO L225 Difference]: With dead ends: 76 [2022-02-20 23:59:54,177 INFO L226 Difference]: Without dead ends: 76 [2022-02-20 23:59:54,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:59:54,178 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 164 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:54,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [164 Valid, 67 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:54,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-20 23:59:54,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 57. [2022-02-20 23:59:54,181 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:54,181 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 57 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,181 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 57 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,182 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 57 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,183 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-20 23:59:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-20 23:59:54,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:54,184 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:54,184 INFO L74 IsIncluded]: Start isIncluded. First operand has 57 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-20 23:59:54,184 INFO L87 Difference]: Start difference. First operand has 57 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-20 23:59:54,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,185 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-20 23:59:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-20 23:59:54,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:54,186 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:54,186 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:54,186 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 41 states have (on average 1.5121951219512195) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2022-02-20 23:59:54,187 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 62 transitions. Word has length 9 [2022-02-20 23:59:54,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:54,188 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 62 transitions. [2022-02-20 23:59:54,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 62 transitions. [2022-02-20 23:59:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-02-20 23:59:54,189 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:54,189 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:54,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 23:59:54,189 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:54,190 INFO L85 PathProgramCache]: Analyzing trace with hash -245418609, now seen corresponding path program 1 times [2022-02-20 23:59:54,190 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:54,190 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815916667] [2022-02-20 23:59:54,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:54,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:54,242 INFO L290 TraceCheckUtils]: 0: Hoare triple {1382#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1382#true} is VALID [2022-02-20 23:59:54,243 INFO L290 TraceCheckUtils]: 1: Hoare triple {1382#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1382#true} is VALID [2022-02-20 23:59:54,243 INFO L290 TraceCheckUtils]: 2: Hoare triple {1382#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:54,244 INFO L290 TraceCheckUtils]: 3: Hoare triple {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:54,244 INFO L290 TraceCheckUtils]: 4: Hoare triple {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:54,245 INFO L290 TraceCheckUtils]: 5: Hoare triple {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:54,246 INFO L290 TraceCheckUtils]: 6: Hoare triple {1384#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {1385#(and (= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} is VALID [2022-02-20 23:59:54,246 INFO L290 TraceCheckUtils]: 7: Hoare triple {1385#(and (= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {1386#(and (= (+ (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:59:54,246 INFO L290 TraceCheckUtils]: 8: Hoare triple {1386#(and (= (+ (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (- 8)) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} assume !(4 + (4 + sll_create_~new_head~0#1.offset) <= #length[sll_create_~new_head~0#1.base] && 0 <= 4 + sll_create_~new_head~0#1.offset); {1383#false} is VALID [2022-02-20 23:59:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:54,247 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:54,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815916667] [2022-02-20 23:59:54,247 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815916667] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:54,247 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:54,247 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 23:59:54,248 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542951483] [2022-02-20 23:59:54,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:54,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 23:59:54,248 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:54,248 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,254 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:54,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:59:54,255 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:54,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:59:54,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:59:54,255 INFO L87 Difference]: Start difference. First operand 57 states and 62 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,416 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2022-02-20 23:59:54,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:59:54,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-02-20 23:59:54,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 67 transitions. [2022-02-20 23:59:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 67 transitions. [2022-02-20 23:59:54,418 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 67 transitions. [2022-02-20 23:59:54,469 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:54,470 INFO L225 Difference]: With dead ends: 61 [2022-02-20 23:59:54,470 INFO L226 Difference]: Without dead ends: 61 [2022-02-20 23:59:54,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:59:54,470 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 163 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:54,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 45 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-02-20 23:59:54,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 56. [2022-02-20 23:59:54,472 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:54,472 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand has 56 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,473 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand has 56 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,473 INFO L87 Difference]: Start difference. First operand 61 states. Second operand has 56 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,474 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2022-02-20 23:59:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2022-02-20 23:59:54,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:54,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:54,474 INFO L74 IsIncluded]: Start isIncluded. First operand has 56 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 61 states. [2022-02-20 23:59:54,475 INFO L87 Difference]: Start difference. First operand has 56 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 61 states. [2022-02-20 23:59:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,476 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2022-02-20 23:59:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2022-02-20 23:59:54,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:54,476 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:54,476 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:54,476 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 41 states have (on average 1.4878048780487805) internal successors, (61), 55 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2022-02-20 23:59:54,477 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 9 [2022-02-20 23:59:54,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:54,478 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2022-02-20 23:59:54,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2022-02-20 23:59:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-02-20 23:59:54,478 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:54,478 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 23:59:54,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:59:54,479 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:54,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:54,479 INFO L85 PathProgramCache]: Analyzing trace with hash -806744226, now seen corresponding path program 1 times [2022-02-20 23:59:54,479 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:54,479 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417326520] [2022-02-20 23:59:54,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:54,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:54,520 INFO L290 TraceCheckUtils]: 0: Hoare triple {1634#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1634#true} is VALID [2022-02-20 23:59:54,521 INFO L290 TraceCheckUtils]: 1: Hoare triple {1634#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,521 INFO L290 TraceCheckUtils]: 2: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,522 INFO L290 TraceCheckUtils]: 3: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,522 INFO L290 TraceCheckUtils]: 4: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,522 INFO L290 TraceCheckUtils]: 5: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,523 INFO L290 TraceCheckUtils]: 6: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,523 INFO L290 TraceCheckUtils]: 7: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,523 INFO L290 TraceCheckUtils]: 8: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,524 INFO L290 TraceCheckUtils]: 9: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} is VALID [2022-02-20 23:59:54,524 INFO L290 TraceCheckUtils]: 10: Hoare triple {1636#(= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {1637#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,525 INFO L290 TraceCheckUtils]: 11: Hoare triple {1637#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !(sll_create_~len#1 > 0); {1635#false} is VALID [2022-02-20 23:59:54,525 INFO L290 TraceCheckUtils]: 12: Hoare triple {1635#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {1635#false} is VALID [2022-02-20 23:59:54,525 INFO L290 TraceCheckUtils]: 13: Hoare triple {1635#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {1635#false} is VALID [2022-02-20 23:59:54,525 INFO L290 TraceCheckUtils]: 14: Hoare triple {1635#false} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {1635#false} is VALID [2022-02-20 23:59:54,525 INFO L290 TraceCheckUtils]: 15: Hoare triple {1635#false} assume !(sll_update_at_~index#1 > 0); {1635#false} is VALID [2022-02-20 23:59:54,525 INFO L290 TraceCheckUtils]: 16: Hoare triple {1635#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {1635#false} is VALID [2022-02-20 23:59:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:54,526 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:54,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417326520] [2022-02-20 23:59:54,526 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417326520] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:59:54,526 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768078137] [2022-02-20 23:59:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:54,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:59:54,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:59:54,528 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 23:59:54,533 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 23:59:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:54,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 23:59:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:54,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:59:54,692 INFO L290 TraceCheckUtils]: 0: Hoare triple {1634#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1634#true} is VALID [2022-02-20 23:59:54,693 INFO L290 TraceCheckUtils]: 1: Hoare triple {1634#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,693 INFO L290 TraceCheckUtils]: 2: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,694 INFO L290 TraceCheckUtils]: 3: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,694 INFO L290 TraceCheckUtils]: 4: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,694 INFO L290 TraceCheckUtils]: 5: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,695 INFO L290 TraceCheckUtils]: 6: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,695 INFO L290 TraceCheckUtils]: 7: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,696 INFO L290 TraceCheckUtils]: 8: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,696 INFO L290 TraceCheckUtils]: 9: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,696 INFO L290 TraceCheckUtils]: 10: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {1637#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,697 INFO L290 TraceCheckUtils]: 11: Hoare triple {1637#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !(sll_create_~len#1 > 0); {1635#false} is VALID [2022-02-20 23:59:54,697 INFO L290 TraceCheckUtils]: 12: Hoare triple {1635#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {1635#false} is VALID [2022-02-20 23:59:54,697 INFO L290 TraceCheckUtils]: 13: Hoare triple {1635#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {1635#false} is VALID [2022-02-20 23:59:54,697 INFO L290 TraceCheckUtils]: 14: Hoare triple {1635#false} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {1635#false} is VALID [2022-02-20 23:59:54,697 INFO L290 TraceCheckUtils]: 15: Hoare triple {1635#false} assume !(sll_update_at_~index#1 > 0); {1635#false} is VALID [2022-02-20 23:59:54,698 INFO L290 TraceCheckUtils]: 16: Hoare triple {1635#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {1635#false} is VALID [2022-02-20 23:59:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:54,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:59:54,792 INFO L290 TraceCheckUtils]: 16: Hoare triple {1635#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {1635#false} is VALID [2022-02-20 23:59:54,793 INFO L290 TraceCheckUtils]: 15: Hoare triple {1635#false} assume !(sll_update_at_~index#1 > 0); {1635#false} is VALID [2022-02-20 23:59:54,793 INFO L290 TraceCheckUtils]: 14: Hoare triple {1635#false} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {1635#false} is VALID [2022-02-20 23:59:54,793 INFO L290 TraceCheckUtils]: 13: Hoare triple {1635#false} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {1635#false} is VALID [2022-02-20 23:59:54,793 INFO L290 TraceCheckUtils]: 12: Hoare triple {1635#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {1635#false} is VALID [2022-02-20 23:59:54,794 INFO L290 TraceCheckUtils]: 11: Hoare triple {1637#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !(sll_create_~len#1 > 0); {1635#false} is VALID [2022-02-20 23:59:54,794 INFO L290 TraceCheckUtils]: 10: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {1637#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,794 INFO L290 TraceCheckUtils]: 9: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,795 INFO L290 TraceCheckUtils]: 8: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,795 INFO L290 TraceCheckUtils]: 7: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,795 INFO L290 TraceCheckUtils]: 6: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,796 INFO L290 TraceCheckUtils]: 5: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,796 INFO L290 TraceCheckUtils]: 4: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,796 INFO L290 TraceCheckUtils]: 3: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,797 INFO L290 TraceCheckUtils]: 2: Hoare triple {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,797 INFO L290 TraceCheckUtils]: 1: Hoare triple {1634#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1644#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:59:54,797 INFO L290 TraceCheckUtils]: 0: Hoare triple {1634#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1634#true} is VALID [2022-02-20 23:59:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:54,798 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768078137] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:59:54,798 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:59:54,798 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5 [2022-02-20 23:59:54,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93369838] [2022-02-20 23:59:54,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:59:54,799 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:59:54,799 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:54,799 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,815 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:54,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:59:54,816 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:54,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:59:54,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:59:54,816 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,914 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2022-02-20 23:59:54,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:59:54,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-02-20 23:59:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2022-02-20 23:59:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions. [2022-02-20 23:59:54,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 71 transitions. [2022-02-20 23:59:54,960 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:54,960 INFO L225 Difference]: With dead ends: 65 [2022-02-20 23:59:54,960 INFO L226 Difference]: Without dead ends: 65 [2022-02-20 23:59:54,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-02-20 23:59:54,961 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 16 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:54,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 219 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:54,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-02-20 23:59:54,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-02-20 23:59:54,963 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:54,963 INFO L82 GeneralOperation]: Start isEquivalent. First operand 65 states. Second operand has 65 states, 50 states have (on average 1.4) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,964 INFO L74 IsIncluded]: Start isIncluded. First operand 65 states. Second operand has 65 states, 50 states have (on average 1.4) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,964 INFO L87 Difference]: Start difference. First operand 65 states. Second operand has 65 states, 50 states have (on average 1.4) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,965 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2022-02-20 23:59:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2022-02-20 23:59:54,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:54,965 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:54,965 INFO L74 IsIncluded]: Start isIncluded. First operand has 65 states, 50 states have (on average 1.4) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 65 states. [2022-02-20 23:59:54,966 INFO L87 Difference]: Start difference. First operand has 65 states, 50 states have (on average 1.4) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 65 states. [2022-02-20 23:59:54,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:54,967 INFO L93 Difference]: Finished difference Result 65 states and 70 transitions. [2022-02-20 23:59:54,967 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2022-02-20 23:59:54,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:54,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:54,967 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:54,967 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.4) internal successors, (70), 64 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 70 transitions. [2022-02-20 23:59:54,968 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 70 transitions. Word has length 17 [2022-02-20 23:59:54,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:54,969 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 70 transitions. [2022-02-20 23:59:54,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:54,969 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2022-02-20 23:59:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:59:54,969 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:54,969 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:54,987 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 23:59:55,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-20 23:59:55,186 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:55,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:55,187 INFO L85 PathProgramCache]: Analyzing trace with hash 2130913170, now seen corresponding path program 2 times [2022-02-20 23:59:55,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:55,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333696054] [2022-02-20 23:59:55,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:55,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:55,266 INFO L290 TraceCheckUtils]: 0: Hoare triple {1997#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1997#true} is VALID [2022-02-20 23:59:55,266 INFO L290 TraceCheckUtils]: 1: Hoare triple {1997#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1997#true} is VALID [2022-02-20 23:59:55,266 INFO L290 TraceCheckUtils]: 2: Hoare triple {1997#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 3: Hoare triple {1997#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 4: Hoare triple {1997#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 5: Hoare triple {1997#true} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 6: Hoare triple {1997#true} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 7: Hoare triple {1997#true} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 8: Hoare triple {1997#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {1997#true} is VALID [2022-02-20 23:59:55,267 INFO L290 TraceCheckUtils]: 9: Hoare triple {1997#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {1997#true} is VALID [2022-02-20 23:59:55,268 INFO L290 TraceCheckUtils]: 10: Hoare triple {1997#true} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {1997#true} is VALID [2022-02-20 23:59:55,268 INFO L290 TraceCheckUtils]: 11: Hoare triple {1997#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {1997#true} is VALID [2022-02-20 23:59:55,268 INFO L290 TraceCheckUtils]: 12: Hoare triple {1997#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {1997#true} is VALID [2022-02-20 23:59:55,268 INFO L290 TraceCheckUtils]: 13: Hoare triple {1997#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {1999#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,269 INFO L290 TraceCheckUtils]: 14: Hoare triple {1999#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {1999#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,269 INFO L290 TraceCheckUtils]: 15: Hoare triple {1999#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2000#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-20 23:59:55,269 INFO L290 TraceCheckUtils]: 16: Hoare triple {2000#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2001#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,270 INFO L290 TraceCheckUtils]: 17: Hoare triple {2001#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2001#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,270 INFO L290 TraceCheckUtils]: 18: Hoare triple {2001#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2002#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,270 INFO L290 TraceCheckUtils]: 19: Hoare triple {2002#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2002#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,271 INFO L290 TraceCheckUtils]: 20: Hoare triple {2002#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !(sll_create_~len#1 > 0); {2002#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,271 INFO L290 TraceCheckUtils]: 21: Hoare triple {2002#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2003#(= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1)} is VALID [2022-02-20 23:59:55,272 INFO L290 TraceCheckUtils]: 22: Hoare triple {2003#(= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {2004#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-20 23:59:55,272 INFO L290 TraceCheckUtils]: 23: Hoare triple {2004#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {2005#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:55,272 INFO L290 TraceCheckUtils]: 24: Hoare triple {2005#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(sll_update_at_~index#1 > 0); {2005#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:55,273 INFO L290 TraceCheckUtils]: 25: Hoare triple {2005#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(1 == #valid[sll_update_at_~head#1.base]); {1998#false} is VALID [2022-02-20 23:59:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 23:59:55,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:55,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333696054] [2022-02-20 23:59:55,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333696054] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:55,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:55,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:59:55,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460458526] [2022-02-20 23:59:55,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:55,274 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:59:55,274 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:55,274 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,289 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:55,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:59:55,289 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:55,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:59:55,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:59:55,290 INFO L87 Difference]: Start difference. First operand 65 states and 70 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:55,711 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2022-02-20 23:59:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:59:55,712 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:59:55,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:55,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2022-02-20 23:59:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2022-02-20 23:59:55,714 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 125 transitions. [2022-02-20 23:59:55,812 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 125 edges. 125 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:55,813 INFO L225 Difference]: With dead ends: 116 [2022-02-20 23:59:55,813 INFO L226 Difference]: Without dead ends: 116 [2022-02-20 23:59:55,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-20 23:59:55,814 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 379 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:55,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [379 Valid, 141 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:59:55,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-02-20 23:59:55,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 68. [2022-02-20 23:59:55,816 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:55,816 INFO L82 GeneralOperation]: Start isEquivalent. First operand 116 states. Second operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,816 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,817 INFO L87 Difference]: Start difference. First operand 116 states. Second operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:55,818 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2022-02-20 23:59:55,818 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 125 transitions. [2022-02-20 23:59:55,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:55,818 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:55,819 INFO L74 IsIncluded]: Start isIncluded. First operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 116 states. [2022-02-20 23:59:55,819 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 116 states. [2022-02-20 23:59:55,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:55,821 INFO L93 Difference]: Finished difference Result 116 states and 125 transitions. [2022-02-20 23:59:55,821 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 125 transitions. [2022-02-20 23:59:55,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:55,821 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:55,821 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:55,821 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 67 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2022-02-20 23:59:55,823 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 26 [2022-02-20 23:59:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:55,823 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2022-02-20 23:59:55,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2022-02-20 23:59:55,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:59:55,824 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:55,824 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:55,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-20 23:59:55,824 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:55,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:55,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2130913171, now seen corresponding path program 1 times [2022-02-20 23:59:55,824 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:55,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873987148] [2022-02-20 23:59:55,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:55,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:55,896 INFO L290 TraceCheckUtils]: 0: Hoare triple {2439#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2439#true} is VALID [2022-02-20 23:59:55,896 INFO L290 TraceCheckUtils]: 1: Hoare triple {2439#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,897 INFO L290 TraceCheckUtils]: 2: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,897 INFO L290 TraceCheckUtils]: 3: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,898 INFO L290 TraceCheckUtils]: 4: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,898 INFO L290 TraceCheckUtils]: 5: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,899 INFO L290 TraceCheckUtils]: 6: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,899 INFO L290 TraceCheckUtils]: 7: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,900 INFO L290 TraceCheckUtils]: 8: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,901 INFO L290 TraceCheckUtils]: 9: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-20 23:59:55,901 INFO L290 TraceCheckUtils]: 10: Hoare triple {2441#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,901 INFO L290 TraceCheckUtils]: 11: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,902 INFO L290 TraceCheckUtils]: 12: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,902 INFO L290 TraceCheckUtils]: 13: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,902 INFO L290 TraceCheckUtils]: 14: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,903 INFO L290 TraceCheckUtils]: 15: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,903 INFO L290 TraceCheckUtils]: 16: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,903 INFO L290 TraceCheckUtils]: 17: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,904 INFO L290 TraceCheckUtils]: 18: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,904 INFO L290 TraceCheckUtils]: 19: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,904 INFO L290 TraceCheckUtils]: 20: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,905 INFO L290 TraceCheckUtils]: 21: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:55,905 INFO L290 TraceCheckUtils]: 22: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {2443#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:59:55,906 INFO L290 TraceCheckUtils]: 23: Hoare triple {2443#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {2444#(<= 1 |ULTIMATE.start_sll_update_at_~index#1|)} is VALID [2022-02-20 23:59:55,906 INFO L290 TraceCheckUtils]: 24: Hoare triple {2444#(<= 1 |ULTIMATE.start_sll_update_at_~index#1|)} assume !(sll_update_at_~index#1 > 0); {2440#false} is VALID [2022-02-20 23:59:55,906 INFO L290 TraceCheckUtils]: 25: Hoare triple {2440#false} assume !(4 + sll_update_at_~head#1.offset <= #length[sll_update_at_~head#1.base] && 0 <= sll_update_at_~head#1.offset); {2440#false} is VALID [2022-02-20 23:59:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:59:55,907 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:55,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873987148] [2022-02-20 23:59:55,907 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873987148] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:59:55,907 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891373413] [2022-02-20 23:59:55,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:55,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:59:55,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:59:55,908 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 23:59:55,909 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 23:59:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:55,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-20 23:59:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:56,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:59:56,132 INFO L290 TraceCheckUtils]: 0: Hoare triple {2439#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2439#true} is VALID [2022-02-20 23:59:56,133 INFO L290 TraceCheckUtils]: 1: Hoare triple {2439#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,133 INFO L290 TraceCheckUtils]: 2: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,134 INFO L290 TraceCheckUtils]: 3: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,134 INFO L290 TraceCheckUtils]: 4: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,134 INFO L290 TraceCheckUtils]: 5: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,134 INFO L290 TraceCheckUtils]: 6: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,135 INFO L290 TraceCheckUtils]: 7: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,135 INFO L290 TraceCheckUtils]: 8: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,143 INFO L290 TraceCheckUtils]: 9: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,144 INFO L290 TraceCheckUtils]: 10: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,144 INFO L290 TraceCheckUtils]: 11: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,144 INFO L290 TraceCheckUtils]: 12: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,145 INFO L290 TraceCheckUtils]: 13: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,145 INFO L290 TraceCheckUtils]: 14: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,145 INFO L290 TraceCheckUtils]: 15: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,146 INFO L290 TraceCheckUtils]: 16: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,146 INFO L290 TraceCheckUtils]: 17: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,146 INFO L290 TraceCheckUtils]: 18: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,147 INFO L290 TraceCheckUtils]: 19: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,147 INFO L290 TraceCheckUtils]: 20: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,147 INFO L290 TraceCheckUtils]: 21: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-20 23:59:56,148 INFO L290 TraceCheckUtils]: 22: Hoare triple {2442#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {2443#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-20 23:59:56,149 INFO L290 TraceCheckUtils]: 23: Hoare triple {2443#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {2444#(<= 1 |ULTIMATE.start_sll_update_at_~index#1|)} is VALID [2022-02-20 23:59:56,149 INFO L290 TraceCheckUtils]: 24: Hoare triple {2444#(<= 1 |ULTIMATE.start_sll_update_at_~index#1|)} assume !(sll_update_at_~index#1 > 0); {2440#false} is VALID [2022-02-20 23:59:56,149 INFO L290 TraceCheckUtils]: 25: Hoare triple {2440#false} assume !(4 + sll_update_at_~head#1.offset <= #length[sll_update_at_~head#1.base] && 0 <= sll_update_at_~head#1.offset); {2440#false} is VALID [2022-02-20 23:59:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-20 23:59:56,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:59:56,150 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891373413] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:56,150 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 23:59:56,150 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-02-20 23:59:56,150 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166220205] [2022-02-20 23:59:56,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:56,150 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:59:56,151 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:56,151 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,161 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 23:59:56,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 23:59:56,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:56,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 23:59:56,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:59:56,162 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:56,304 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2022-02-20 23:59:56,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-20 23:59:56,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:59:56,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2022-02-20 23:59:56,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 92 transitions. [2022-02-20 23:59:56,306 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 92 transitions. [2022-02-20 23:59:56,367 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 92 edges. 92 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:56,367 INFO L225 Difference]: With dead ends: 96 [2022-02-20 23:59:56,367 INFO L226 Difference]: Without dead ends: 96 [2022-02-20 23:59:56,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:59:56,368 INFO L933 BasicCegarLoop]: 52 mSDtfsCounter, 105 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:56,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 151 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:59:56,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-02-20 23:59:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 71. [2022-02-20 23:59:56,370 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:56,370 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,370 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,371 INFO L87 Difference]: Start difference. First operand 96 states. Second operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:56,372 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2022-02-20 23:59:56,372 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2022-02-20 23:59:56,372 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:56,372 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:56,372 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 96 states. [2022-02-20 23:59:56,373 INFO L87 Difference]: Start difference. First operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 96 states. [2022-02-20 23:59:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:56,374 INFO L93 Difference]: Finished difference Result 96 states and 107 transitions. [2022-02-20 23:59:56,374 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 107 transitions. [2022-02-20 23:59:56,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:56,374 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:56,375 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:56,375 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 70 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 79 transitions. [2022-02-20 23:59:56,376 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 79 transitions. Word has length 26 [2022-02-20 23:59:56,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:56,376 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 79 transitions. [2022-02-20 23:59:56,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2022-02-20 23:59:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-02-20 23:59:56,377 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:56,377 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:56,394 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 23:59:56,593 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,SelfDestructingSolverStorable7 [2022-02-20 23:59:56,594 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash 2130913226, now seen corresponding path program 1 times [2022-02-20 23:59:56,594 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:56,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097334755] [2022-02-20 23:59:56,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:56,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:56,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:56,704 INFO L290 TraceCheckUtils]: 0: Hoare triple {2887#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2887#true} is VALID [2022-02-20 23:59:56,704 INFO L290 TraceCheckUtils]: 1: Hoare triple {2887#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {2887#true} is VALID [2022-02-20 23:59:56,704 INFO L290 TraceCheckUtils]: 2: Hoare triple {2887#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {2887#true} is VALID [2022-02-20 23:59:56,704 INFO L290 TraceCheckUtils]: 3: Hoare triple {2887#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 4: Hoare triple {2887#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 5: Hoare triple {2887#true} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 6: Hoare triple {2887#true} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 7: Hoare triple {2887#true} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 8: Hoare triple {2887#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 9: Hoare triple {2887#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2887#true} is VALID [2022-02-20 23:59:56,705 INFO L290 TraceCheckUtils]: 10: Hoare triple {2887#true} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2887#true} is VALID [2022-02-20 23:59:56,706 INFO L290 TraceCheckUtils]: 11: Hoare triple {2887#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,707 INFO L290 TraceCheckUtils]: 12: Hoare triple {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,707 INFO L290 TraceCheckUtils]: 13: Hoare triple {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,708 INFO L290 TraceCheckUtils]: 14: Hoare triple {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,708 INFO L290 TraceCheckUtils]: 15: Hoare triple {2889#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {2890#(and (= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} is VALID [2022-02-20 23:59:56,709 INFO L290 TraceCheckUtils]: 16: Hoare triple {2890#(and (= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {2891#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,709 INFO L290 TraceCheckUtils]: 17: Hoare triple {2891#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {2891#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,710 INFO L290 TraceCheckUtils]: 18: Hoare triple {2891#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2892#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,710 INFO L290 TraceCheckUtils]: 19: Hoare triple {2892#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {2892#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,710 INFO L290 TraceCheckUtils]: 20: Hoare triple {2892#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !(sll_create_~len#1 > 0); {2892#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,711 INFO L290 TraceCheckUtils]: 21: Hoare triple {2892#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2893#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_create_#res#1.base|) 8))} is VALID [2022-02-20 23:59:56,711 INFO L290 TraceCheckUtils]: 22: Hoare triple {2893#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_create_#res#1.base|) 8))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {2894#(and (= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-20 23:59:56,712 INFO L290 TraceCheckUtils]: 23: Hoare triple {2894#(and (= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {2895#(and (= (+ (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) (- 8)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} is VALID [2022-02-20 23:59:56,712 INFO L290 TraceCheckUtils]: 24: Hoare triple {2895#(and (= (+ (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) (- 8)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} assume !!(sll_update_at_~index#1 > 0); {2895#(and (= (+ (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) (- 8)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} is VALID [2022-02-20 23:59:56,713 INFO L290 TraceCheckUtils]: 25: Hoare triple {2895#(and (= (+ (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) (- 8)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} assume !(4 + (4 + sll_update_at_~head#1.offset) <= #length[sll_update_at_~head#1.base] && 0 <= 4 + sll_update_at_~head#1.offset); {2888#false} is VALID [2022-02-20 23:59:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:59:56,713 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:56,713 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097334755] [2022-02-20 23:59:56,722 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097334755] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:59:56,722 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:59:56,722 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:59:56,722 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741226377] [2022-02-20 23:59:56,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:59:56,723 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:59:56,723 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:56,723 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:56,749 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:56,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-20 23:59:56,749 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:56,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-20 23:59:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:59:56,750 INFO L87 Difference]: Start difference. First operand 71 states and 79 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:57,222 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2022-02-20 23:59:57,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:59:57,222 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-02-20 23:59:57,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:59:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 112 transitions. [2022-02-20 23:59:57,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 112 transitions. [2022-02-20 23:59:57,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 112 transitions. [2022-02-20 23:59:57,322 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 112 edges. 112 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:59:57,323 INFO L225 Difference]: With dead ends: 107 [2022-02-20 23:59:57,323 INFO L226 Difference]: Without dead ends: 107 [2022-02-20 23:59:57,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-20 23:59:57,324 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 365 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:59:57,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [365 Valid, 106 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:59:57,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-02-20 23:59:57,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 71. [2022-02-20 23:59:57,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:59:57,326 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,326 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,326 INFO L87 Difference]: Start difference. First operand 107 states. Second operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:57,328 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2022-02-20 23:59:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2022-02-20 23:59:57,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:57,328 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:57,328 INFO L74 IsIncluded]: Start isIncluded. First operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 107 states. [2022-02-20 23:59:57,328 INFO L87 Difference]: Start difference. First operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 107 states. [2022-02-20 23:59:57,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:59:57,330 INFO L93 Difference]: Finished difference Result 107 states and 116 transitions. [2022-02-20 23:59:57,330 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 116 transitions. [2022-02-20 23:59:57,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:59:57,330 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:59:57,330 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:59:57,330 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:59:57,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.375) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 77 transitions. [2022-02-20 23:59:57,331 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 77 transitions. Word has length 26 [2022-02-20 23:59:57,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:59:57,331 INFO L470 AbstractCegarLoop]: Abstraction has 71 states and 77 transitions. [2022-02-20 23:59:57,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:57,331 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 77 transitions. [2022-02-20 23:59:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 23:59:57,332 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:59:57,332 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:59:57,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:59:57,332 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-20 23:59:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:59:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1875687586, now seen corresponding path program 1 times [2022-02-20 23:59:57,332 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:59:57,332 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119634674] [2022-02-20 23:59:57,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:57,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:59:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:57,667 INFO L290 TraceCheckUtils]: 0: Hoare triple {3305#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3305#true} is VALID [2022-02-20 23:59:57,668 INFO L290 TraceCheckUtils]: 1: Hoare triple {3305#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3305#true} is VALID [2022-02-20 23:59:57,668 INFO L290 TraceCheckUtils]: 2: Hoare triple {3305#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,669 INFO L290 TraceCheckUtils]: 3: Hoare triple {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,669 INFO L290 TraceCheckUtils]: 4: Hoare triple {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,670 INFO L290 TraceCheckUtils]: 5: Hoare triple {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,670 INFO L290 TraceCheckUtils]: 6: Hoare triple {3307#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3308#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-20 23:59:57,671 INFO L290 TraceCheckUtils]: 7: Hoare triple {3308#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:57,671 INFO L290 TraceCheckUtils]: 8: Hoare triple {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:57,671 INFO L290 TraceCheckUtils]: 9: Hoare triple {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:57,672 INFO L290 TraceCheckUtils]: 10: Hoare triple {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:57,672 INFO L290 TraceCheckUtils]: 11: Hoare triple {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3311#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:59:57,675 INFO L290 TraceCheckUtils]: 12: Hoare triple {3311#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3311#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:59:57,676 INFO L290 TraceCheckUtils]: 13: Hoare triple {3311#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3312#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,676 INFO L290 TraceCheckUtils]: 14: Hoare triple {3312#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3312#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,677 INFO L290 TraceCheckUtils]: 15: Hoare triple {3312#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3313#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} is VALID [2022-02-20 23:59:57,677 INFO L290 TraceCheckUtils]: 16: Hoare triple {3313#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3314#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,678 INFO L290 TraceCheckUtils]: 17: Hoare triple {3314#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3315#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 1) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,678 INFO L290 TraceCheckUtils]: 18: Hoare triple {3315#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 1) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3316#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,679 INFO L290 TraceCheckUtils]: 19: Hoare triple {3316#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3316#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,679 INFO L290 TraceCheckUtils]: 20: Hoare triple {3316#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !(sll_create_~len#1 > 0); {3316#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,680 INFO L290 TraceCheckUtils]: 21: Hoare triple {3316#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3317#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_#res#1.offset| 0))} is VALID [2022-02-20 23:59:57,680 INFO L290 TraceCheckUtils]: 22: Hoare triple {3317#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4)) 1) (= |ULTIMATE.start_sll_create_#res#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {3318#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-20 23:59:57,681 INFO L290 TraceCheckUtils]: 23: Hoare triple {3318#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} is VALID [2022-02-20 23:59:57,681 INFO L290 TraceCheckUtils]: 24: Hoare triple {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} assume !!(sll_update_at_~index#1 > 0); {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} is VALID [2022-02-20 23:59:57,682 INFO L290 TraceCheckUtils]: 25: Hoare triple {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {3320#(= (select |#valid| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 1)} is VALID [2022-02-20 23:59:57,682 INFO L290 TraceCheckUtils]: 26: Hoare triple {3320#(= (select |#valid| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:57,683 INFO L290 TraceCheckUtils]: 27: Hoare triple {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(sll_update_at_~index#1 > 0); {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:57,683 INFO L290 TraceCheckUtils]: 28: Hoare triple {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(1 == #valid[sll_update_at_~head#1.base]); {3306#false} is VALID [2022-02-20 23:59:57,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:57,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:59:57,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119634674] [2022-02-20 23:59:57,684 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119634674] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:59:57,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390435260] [2022-02-20 23:59:57,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:59:57,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:59:57,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:59:57,685 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 23:59:57,686 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 23:59:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:57,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 45 conjunts are in the unsatisfiable core [2022-02-20 23:59:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:59:57,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:59:57,801 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 23:59:57,851 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:59:57,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-02-20 23:59:57,950 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 23:59:58,125 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 21 treesize of output 9 [2022-02-20 23:59:58,154 INFO L290 TraceCheckUtils]: 0: Hoare triple {3305#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3305#true} is VALID [2022-02-20 23:59:58,155 INFO L290 TraceCheckUtils]: 1: Hoare triple {3305#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3305#true} is VALID [2022-02-20 23:59:58,155 INFO L290 TraceCheckUtils]: 2: Hoare triple {3305#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,156 INFO L290 TraceCheckUtils]: 3: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,156 INFO L290 TraceCheckUtils]: 4: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,156 INFO L290 TraceCheckUtils]: 5: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,157 INFO L290 TraceCheckUtils]: 6: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3308#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-20 23:59:58,157 INFO L290 TraceCheckUtils]: 7: Hoare triple {3308#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,157 INFO L290 TraceCheckUtils]: 8: Hoare triple {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,158 INFO L290 TraceCheckUtils]: 9: Hoare triple {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,158 INFO L290 TraceCheckUtils]: 10: Hoare triple {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,160 INFO L290 TraceCheckUtils]: 11: Hoare triple {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-20 23:59:58,160 INFO L290 TraceCheckUtils]: 12: Hoare triple {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-20 23:59:58,161 INFO L290 TraceCheckUtils]: 13: Hoare triple {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-20 23:59:58,161 INFO L290 TraceCheckUtils]: 14: Hoare triple {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-20 23:59:58,162 INFO L290 TraceCheckUtils]: 15: Hoare triple {3359#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3372#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-20 23:59:58,162 INFO L290 TraceCheckUtils]: 16: Hoare triple {3372#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3376#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-20 23:59:58,163 INFO L290 TraceCheckUtils]: 17: Hoare triple {3376#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3380#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 1) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:59:58,163 INFO L290 TraceCheckUtils]: 18: Hoare triple {3380#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 1) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3384#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:59:58,164 INFO L290 TraceCheckUtils]: 19: Hoare triple {3384#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3384#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:59:58,168 INFO L290 TraceCheckUtils]: 20: Hoare triple {3384#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1))} assume !(sll_create_~len#1 > 0); {3384#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1))} is VALID [2022-02-20 23:59:58,169 INFO L290 TraceCheckUtils]: 21: Hoare triple {3384#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3394#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) 1) (= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1))} is VALID [2022-02-20 23:59:58,169 INFO L290 TraceCheckUtils]: 22: Hoare triple {3394#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) 1) (= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {3398#(and (= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-20 23:59:58,170 INFO L290 TraceCheckUtils]: 23: Hoare triple {3398#(and (= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {3402#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1) (= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1))} is VALID [2022-02-20 23:59:58,171 INFO L290 TraceCheckUtils]: 24: Hoare triple {3402#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1) (= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1))} assume !!(sll_update_at_~index#1 > 0); {3402#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1) (= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1))} is VALID [2022-02-20 23:59:58,172 INFO L290 TraceCheckUtils]: 25: Hoare triple {3402#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1) (= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {3320#(= (select |#valid| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 1)} is VALID [2022-02-20 23:59:58,172 INFO L290 TraceCheckUtils]: 26: Hoare triple {3320#(= (select |#valid| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:58,173 INFO L290 TraceCheckUtils]: 27: Hoare triple {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(sll_update_at_~index#1 > 0); {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:58,173 INFO L290 TraceCheckUtils]: 28: Hoare triple {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(1 == #valid[sll_update_at_~head#1.base]); {3306#false} is VALID [2022-02-20 23:59:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:58,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:59:58,426 INFO L290 TraceCheckUtils]: 28: Hoare triple {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(1 == #valid[sll_update_at_~head#1.base]); {3306#false} is VALID [2022-02-20 23:59:58,426 INFO L290 TraceCheckUtils]: 27: Hoare triple {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} assume !(sll_update_at_~index#1 > 0); {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:58,427 INFO L290 TraceCheckUtils]: 26: Hoare triple {3320#(= (select |#valid| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {3321#(= (select |#valid| |ULTIMATE.start_sll_update_at_~head#1.base|) 1)} is VALID [2022-02-20 23:59:58,427 INFO L290 TraceCheckUtils]: 25: Hoare triple {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {3320#(= (select |#valid| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 1)} is VALID [2022-02-20 23:59:58,428 INFO L290 TraceCheckUtils]: 24: Hoare triple {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} assume !!(sll_update_at_~index#1 > 0); {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} is VALID [2022-02-20 23:59:58,429 INFO L290 TraceCheckUtils]: 23: Hoare triple {3433#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {3319#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 1)} is VALID [2022-02-20 23:59:58,431 INFO L290 TraceCheckUtils]: 22: Hoare triple {3437#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) 1)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {3433#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-20 23:59:58,432 INFO L290 TraceCheckUtils]: 21: Hoare triple {3441#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3437#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) 1)} is VALID [2022-02-20 23:59:58,432 INFO L290 TraceCheckUtils]: 20: Hoare triple {3441#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1)} assume !(sll_create_~len#1 > 0); {3441#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:59:58,433 INFO L290 TraceCheckUtils]: 19: Hoare triple {3441#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3441#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:59:58,433 INFO L290 TraceCheckUtils]: 18: Hoare triple {3451#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3441#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) 1)} is VALID [2022-02-20 23:59:58,434 INFO L290 TraceCheckUtils]: 17: Hoare triple {3455#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3451#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 1)} is VALID [2022-02-20 23:59:58,434 INFO L290 TraceCheckUtils]: 16: Hoare triple {3459#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3455#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)))} is VALID [2022-02-20 23:59:58,435 INFO L290 TraceCheckUtils]: 15: Hoare triple {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3459#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)))} is VALID [2022-02-20 23:59:58,435 INFO L290 TraceCheckUtils]: 14: Hoare triple {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} is VALID [2022-02-20 23:59:58,436 INFO L290 TraceCheckUtils]: 13: Hoare triple {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} is VALID [2022-02-20 23:59:58,436 INFO L290 TraceCheckUtils]: 12: Hoare triple {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} is VALID [2022-02-20 23:59:58,437 INFO L290 TraceCheckUtils]: 11: Hoare triple {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3463#(or (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)))} is VALID [2022-02-20 23:59:58,437 INFO L290 TraceCheckUtils]: 10: Hoare triple {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,437 INFO L290 TraceCheckUtils]: 9: Hoare triple {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3310#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,438 INFO L290 TraceCheckUtils]: 8: Hoare triple {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,438 INFO L290 TraceCheckUtils]: 7: Hoare triple {3308#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3309#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,438 INFO L290 TraceCheckUtils]: 6: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3308#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-20 23:59:58,439 INFO L290 TraceCheckUtils]: 5: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,439 INFO L290 TraceCheckUtils]: 4: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,439 INFO L290 TraceCheckUtils]: 3: Hoare triple {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,440 INFO L290 TraceCheckUtils]: 2: Hoare triple {3305#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3331#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-20 23:59:58,440 INFO L290 TraceCheckUtils]: 1: Hoare triple {3305#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3305#true} is VALID [2022-02-20 23:59:58,440 INFO L290 TraceCheckUtils]: 0: Hoare triple {3305#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3305#true} is VALID [2022-02-20 23:59:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:59:58,442 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390435260] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:59:58,442 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:59:58,442 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2022-02-20 23:59:58,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17422939] [2022-02-20 23:59:58,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:59:58,443 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-20 23:59:58,443 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:59:58,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 23:59:58,486 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 23:59:58,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-02-20 23:59:58,487 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:59:58,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-02-20 23:59:58,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=941, Unknown=0, NotChecked=0, Total=1056 [2022-02-20 23:59:58,488 INFO L87 Difference]: Start difference. First operand 71 states and 77 transitions. Second operand has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,604 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2022-02-21 00:00:00,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-02-21 00:00:00,604 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-21 00:00:00,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 110 transitions. [2022-02-21 00:00:00,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 110 transitions. [2022-02-21 00:00:00,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 110 transitions. [2022-02-21 00:00:00,688 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 110 edges. 110 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,689 INFO L225 Difference]: With dead ends: 105 [2022-02-21 00:00:00,689 INFO L226 Difference]: Without dead ends: 105 [2022-02-21 00:00:00,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=538, Invalid=1814, Unknown=0, NotChecked=0, Total=2352 [2022-02-21 00:00:00,690 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 1010 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1010 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:00,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1010 Valid, 474 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-02-21 00:00:00,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-02-21 00:00:00,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 76. [2022-02-21 00:00:00,693 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:00,693 INFO L82 GeneralOperation]: Start isEquivalent. First operand 105 states. Second operand has 76 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,693 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand has 76 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,693 INFO L87 Difference]: Start difference. First operand 105 states. Second operand has 76 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,695 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2022-02-21 00:00:00,695 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2022-02-21 00:00:00,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,698 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,698 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 105 states. [2022-02-21 00:00:00,698 INFO L87 Difference]: Start difference. First operand has 76 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 105 states. [2022-02-21 00:00:00,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,700 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2022-02-21 00:00:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2022-02-21 00:00:00,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,700 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:00,700 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:00,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 61 states have (on average 1.3934426229508197) internal successors, (85), 75 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2022-02-21 00:00:00,701 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 29 [2022-02-21 00:00:00,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:00,701 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2022-02-21 00:00:00,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 1.9375) internal successors, (62), 33 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2022-02-21 00:00:00,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-21 00:00:00,703 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,703 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:00,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:00,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:00,920 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1875687585, now seen corresponding path program 1 times [2022-02-21 00:00:00,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358628062] [2022-02-21 00:00:00,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,334 INFO L290 TraceCheckUtils]: 0: Hoare triple {3931#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3931#true} is VALID [2022-02-21 00:00:01,334 INFO L290 TraceCheckUtils]: 1: Hoare triple {3931#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3931#true} is VALID [2022-02-21 00:00:01,335 INFO L290 TraceCheckUtils]: 2: Hoare triple {3931#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,336 INFO L290 TraceCheckUtils]: 3: Hoare triple {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,336 INFO L290 TraceCheckUtils]: 4: Hoare triple {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,337 INFO L290 TraceCheckUtils]: 5: Hoare triple {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,337 INFO L290 TraceCheckUtils]: 6: Hoare triple {3933#(and (= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3934#(and (= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:01,338 INFO L290 TraceCheckUtils]: 7: Hoare triple {3934#(and (= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3935#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,338 INFO L290 TraceCheckUtils]: 8: Hoare triple {3935#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3935#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,339 INFO L290 TraceCheckUtils]: 9: Hoare triple {3935#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3936#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,340 INFO L290 TraceCheckUtils]: 10: Hoare triple {3936#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3936#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,340 INFO L290 TraceCheckUtils]: 11: Hoare triple {3936#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,341 INFO L290 TraceCheckUtils]: 12: Hoare triple {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,341 INFO L290 TraceCheckUtils]: 13: Hoare triple {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,342 INFO L290 TraceCheckUtils]: 14: Hoare triple {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,342 INFO L290 TraceCheckUtils]: 15: Hoare triple {3937#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3938#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:01,343 INFO L290 TraceCheckUtils]: 16: Hoare triple {3938#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3939#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,343 INFO L290 TraceCheckUtils]: 17: Hoare triple {3939#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 8) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3940#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0))} is VALID [2022-02-21 00:00:01,344 INFO L290 TraceCheckUtils]: 18: Hoare triple {3940#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) 8) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3941#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))))} is VALID [2022-02-21 00:00:01,345 INFO L290 TraceCheckUtils]: 19: Hoare triple {3941#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3941#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))))} is VALID [2022-02-21 00:00:01,345 INFO L290 TraceCheckUtils]: 20: Hoare triple {3941#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))))} assume !(sll_create_~len#1 > 0); {3941#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))))} is VALID [2022-02-21 00:00:01,346 INFO L290 TraceCheckUtils]: 21: Hoare triple {3941#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3942#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4))) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 4) 0))} is VALID [2022-02-21 00:00:01,346 INFO L290 TraceCheckUtils]: 22: Hoare triple {3942#(and (= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4))) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 4) 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {3943#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 8) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:01,347 INFO L290 TraceCheckUtils]: 23: Hoare triple {3943#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 8) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {3944#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:01,347 INFO L290 TraceCheckUtils]: 24: Hoare triple {3944#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} assume !!(sll_update_at_~index#1 > 0); {3944#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:01,348 INFO L290 TraceCheckUtils]: 25: Hoare triple {3944#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))) 8) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {3945#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 8))} is VALID [2022-02-21 00:00:01,349 INFO L290 TraceCheckUtils]: 26: Hoare triple {3945#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|) 8))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {3946#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) 8))} is VALID [2022-02-21 00:00:01,349 INFO L290 TraceCheckUtils]: 27: Hoare triple {3946#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) 8))} assume !(sll_update_at_~index#1 > 0); {3946#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) 8))} is VALID [2022-02-21 00:00:01,350 INFO L290 TraceCheckUtils]: 28: Hoare triple {3946#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|) 8))} assume !(4 + sll_update_at_~head#1.offset <= #length[sll_update_at_~head#1.base] && 0 <= sll_update_at_~head#1.offset); {3932#false} is VALID [2022-02-21 00:00:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:01,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:01,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358628062] [2022-02-21 00:00:01,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358628062] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:01,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112941512] [2022-02-21 00:00:01,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:01,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:01,352 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:01,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-21 00:00:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 61 conjunts are in the unsatisfiable core [2022-02-21 00:00:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:01,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:01,717 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:01,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:01,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-21 00:00:02,241 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:02,288 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:02,682 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 39 treesize of output 21 [2022-02-21 00:00:02,711 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 32 treesize of output 14 [2022-02-21 00:00:02,793 INFO L290 TraceCheckUtils]: 0: Hoare triple {3931#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3931#true} is VALID [2022-02-21 00:00:02,793 INFO L290 TraceCheckUtils]: 1: Hoare triple {3931#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3931#true} is VALID [2022-02-21 00:00:02,794 INFO L290 TraceCheckUtils]: 2: Hoare triple {3931#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3956#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} is VALID [2022-02-21 00:00:02,794 INFO L290 TraceCheckUtils]: 3: Hoare triple {3956#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3956#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} is VALID [2022-02-21 00:00:02,795 INFO L290 TraceCheckUtils]: 4: Hoare triple {3956#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3963#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 8) (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:02,796 INFO L290 TraceCheckUtils]: 5: Hoare triple {3963#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 8) (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3963#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 8) (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:02,796 INFO L290 TraceCheckUtils]: 6: Hoare triple {3963#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 8) (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {3970#(and (<= (+ 8 |ULTIMATE.start_node_create_#res#1.offset|) (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (<= 0 |ULTIMATE.start_node_create_#res#1.offset|) (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1))} is VALID [2022-02-21 00:00:02,797 INFO L290 TraceCheckUtils]: 7: Hoare triple {3970#(and (<= (+ 8 |ULTIMATE.start_node_create_#res#1.offset|) (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (<= 0 |ULTIMATE.start_node_create_#res#1.offset|) (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {3974#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-21 00:00:02,797 INFO L290 TraceCheckUtils]: 8: Hoare triple {3974#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {3974#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-21 00:00:02,798 INFO L290 TraceCheckUtils]: 9: Hoare triple {3974#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3981#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,798 INFO L290 TraceCheckUtils]: 10: Hoare triple {3981#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {3981#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,799 INFO L290 TraceCheckUtils]: 11: Hoare triple {3981#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,799 INFO L290 TraceCheckUtils]: 12: Hoare triple {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,800 INFO L290 TraceCheckUtils]: 13: Hoare triple {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,801 INFO L290 TraceCheckUtils]: 14: Hoare triple {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,801 INFO L290 TraceCheckUtils]: 15: Hoare triple {3988#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4001#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,801 INFO L290 TraceCheckUtils]: 16: Hoare triple {4001#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4005#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:02,802 INFO L290 TraceCheckUtils]: 17: Hoare triple {4005#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 8) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4009#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))} is VALID [2022-02-21 00:00:02,803 INFO L290 TraceCheckUtils]: 18: Hoare triple {4009#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4013#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:02,804 INFO L290 TraceCheckUtils]: 19: Hoare triple {4013#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4013#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:02,804 INFO L290 TraceCheckUtils]: 20: Hoare triple {4013#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} assume !(sll_create_~len#1 > 0); {4013#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:02,805 INFO L290 TraceCheckUtils]: 21: Hoare triple {4013#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {4023#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))} is VALID [2022-02-21 00:00:02,805 INFO L290 TraceCheckUtils]: 22: Hoare triple {4023#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {4027#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (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|)))} is VALID [2022-02-21 00:00:02,806 INFO L290 TraceCheckUtils]: 23: Hoare triple {4027#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 8 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (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|)))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {4031#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} is VALID [2022-02-21 00:00:02,806 INFO L290 TraceCheckUtils]: 24: Hoare triple {4031#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} assume !!(sll_update_at_~index#1 > 0); {4031#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} is VALID [2022-02-21 00:00:02,807 INFO L290 TraceCheckUtils]: 25: Hoare triple {4031#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 8) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {4038#(and (<= 0 |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|) (<= (+ |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| 8) (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|)))} is VALID [2022-02-21 00:00:02,807 INFO L290 TraceCheckUtils]: 26: Hoare triple {4038#(and (<= 0 |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|) (<= (+ |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| 8) (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|)))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {4042#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} is VALID [2022-02-21 00:00:02,808 INFO L290 TraceCheckUtils]: 27: Hoare triple {4042#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} assume !(sll_update_at_~index#1 > 0); {4042#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} is VALID [2022-02-21 00:00:02,808 INFO L290 TraceCheckUtils]: 28: Hoare triple {4042#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 8 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} assume !(4 + sll_update_at_~head#1.offset <= #length[sll_update_at_~head#1.base] && 0 <= sll_update_at_~head#1.offset); {3932#false} is VALID [2022-02-21 00:00:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:04,054 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 35 treesize of output 31 [2022-02-21 00:00:04,254 INFO L290 TraceCheckUtils]: 28: Hoare triple {4049#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} assume !(4 + sll_update_at_~head#1.offset <= #length[sll_update_at_~head#1.base] && 0 <= sll_update_at_~head#1.offset); {3932#false} is VALID [2022-02-21 00:00:04,255 INFO L290 TraceCheckUtils]: 27: Hoare triple {4049#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} assume !(sll_update_at_~index#1 > 0); {4049#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} is VALID [2022-02-21 00:00:04,255 INFO L290 TraceCheckUtils]: 26: Hoare triple {4056#(and (<= 0 |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|) (<= (+ |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| 4) (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|)))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {4049#(and (<= 0 |ULTIMATE.start_sll_update_at_~head#1.offset|) (<= (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|) (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)))} is VALID [2022-02-21 00:00:04,256 INFO L290 TraceCheckUtils]: 25: Hoare triple {4060#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {4056#(and (<= 0 |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|) (<= (+ |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| 4) (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|)))} is VALID [2022-02-21 00:00:04,257 INFO L290 TraceCheckUtils]: 24: Hoare triple {4060#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} assume !!(sll_update_at_~index#1 > 0); {4060#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} is VALID [2022-02-21 00:00:04,257 INFO L290 TraceCheckUtils]: 23: Hoare triple {4067#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {4060#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|))))} is VALID [2022-02-21 00:00:04,258 INFO L290 TraceCheckUtils]: 22: Hoare triple {4071#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {4067#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:04,259 INFO L290 TraceCheckUtils]: 21: Hoare triple {4075#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {4071#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))} is VALID [2022-02-21 00:00:04,261 INFO L290 TraceCheckUtils]: 20: Hoare triple {4075#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} assume !(sll_create_~len#1 > 0); {4075#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:04,262 INFO L290 TraceCheckUtils]: 19: Hoare triple {4075#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4075#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:04,263 INFO L290 TraceCheckUtils]: 18: Hoare triple {4085#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4075#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:04,264 INFO L290 TraceCheckUtils]: 17: Hoare triple {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4085#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))} is VALID [2022-02-21 00:00:04,264 INFO L290 TraceCheckUtils]: 16: Hoare triple {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:04,265 INFO L290 TraceCheckUtils]: 15: Hoare triple {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:04,265 INFO L290 TraceCheckUtils]: 14: Hoare triple {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:04,266 INFO L290 TraceCheckUtils]: 13: Hoare triple {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:04,266 INFO L290 TraceCheckUtils]: 12: Hoare triple {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:04,267 INFO L290 TraceCheckUtils]: 11: Hoare triple {4108#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {4089#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:04,268 INFO L290 TraceCheckUtils]: 10: Hoare triple {4108#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4108#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))))} is VALID [2022-02-21 00:00:04,268 INFO L290 TraceCheckUtils]: 9: Hoare triple {4115#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (forall ((v_ArrVal_398 Int)) (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~new_head~0#1.base|))))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4108#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))))} is VALID [2022-02-21 00:00:04,269 INFO L290 TraceCheckUtils]: 8: Hoare triple {4115#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (forall ((v_ArrVal_398 Int)) (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~new_head~0#1.base|))))))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4115#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (forall ((v_ArrVal_398 Int)) (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~new_head~0#1.base|))))))} is VALID [2022-02-21 00:00:04,270 INFO L290 TraceCheckUtils]: 7: Hoare triple {4122#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (forall ((v_ArrVal_398 Int)) (<= (+ 4 |ULTIMATE.start_node_create_#res#1.offset|) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_node_create_#res#1.base|))) (<= 0 |ULTIMATE.start_node_create_#res#1.offset|))))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4115#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (forall ((v_ArrVal_398 Int)) (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_sll_create_~new_head~0#1.base|))))))} is VALID [2022-02-21 00:00:04,271 INFO L290 TraceCheckUtils]: 6: Hoare triple {4126#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_node_create_~temp~0#1.base|))) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0))))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4122#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (forall ((v_ArrVal_398 Int)) (<= (+ 4 |ULTIMATE.start_node_create_#res#1.offset|) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_node_create_#res#1.base|))) (<= 0 |ULTIMATE.start_node_create_#res#1.offset|))))} is VALID [2022-02-21 00:00:04,272 INFO L290 TraceCheckUtils]: 5: Hoare triple {4126#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_node_create_~temp~0#1.base|))) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0))))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {4126#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_node_create_~temp~0#1.base|))) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,273 INFO L290 TraceCheckUtils]: 4: Hoare triple {4133#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {4126#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (and (forall ((v_ArrVal_398 Int)) (<= (+ |ULTIMATE.start_node_create_~temp~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_node_create_~temp~0#1.base_15| v_ArrVal_398) |ULTIMATE.start_node_create_~temp~0#1.base|))) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,273 INFO L290 TraceCheckUtils]: 3: Hoare triple {4133#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {4133#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} is VALID [2022-02-21 00:00:04,274 INFO L290 TraceCheckUtils]: 2: Hoare triple {3931#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {4133#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_15| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_15|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} is VALID [2022-02-21 00:00:04,274 INFO L290 TraceCheckUtils]: 1: Hoare triple {3931#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3931#true} is VALID [2022-02-21 00:00:04,274 INFO L290 TraceCheckUtils]: 0: Hoare triple {3931#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3931#true} is VALID [2022-02-21 00:00:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:04,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112941512] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:04,274 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:04,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 14] total 43 [2022-02-21 00:00:04,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012488362] [2022-02-21 00:00:04,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:04,275 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-21 00:00:04,275 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:04,275 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,340 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:04,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-02-21 00:00:04,340 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:04,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-02-21 00:00:04,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1772, Unknown=0, NotChecked=0, Total=1892 [2022-02-21 00:00:04,341 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:16,723 INFO L93 Difference]: Finished difference Result 213 states and 229 transitions. [2022-02-21 00:00:16,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-02-21 00:00:16,723 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2022-02-21 00:00:16,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 217 transitions. [2022-02-21 00:00:16,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 217 transitions. [2022-02-21 00:00:16,726 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 217 transitions. [2022-02-21 00:00:18,104 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 217 edges. 217 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:18,107 INFO L225 Difference]: With dead ends: 213 [2022-02-21 00:00:18,107 INFO L226 Difference]: Without dead ends: 213 [2022-02-21 00:00:18,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 31 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=818, Invalid=3738, Unknown=0, NotChecked=0, Total=4556 [2022-02-21 00:00:18,108 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 2536 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 1151 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2536 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 123 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:18,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2536 Valid, 869 Invalid, 1396 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [122 Valid, 1151 Invalid, 0 Unknown, 123 Unchecked, 2.2s Time] [2022-02-21 00:00:18,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-02-21 00:00:18,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 84. [2022-02-21 00:00:18,111 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:18,111 INFO L82 GeneralOperation]: Start isEquivalent. First operand 213 states. Second operand has 84 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,111 INFO L74 IsIncluded]: Start isIncluded. First operand 213 states. Second operand has 84 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,120 INFO L87 Difference]: Start difference. First operand 213 states. Second operand has 84 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:18,130 INFO L93 Difference]: Finished difference Result 213 states and 229 transitions. [2022-02-21 00:00:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2022-02-21 00:00:18,131 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:18,131 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:18,131 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 213 states. [2022-02-21 00:00:18,131 INFO L87 Difference]: Start difference. First operand has 84 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 213 states. [2022-02-21 00:00:18,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:18,149 INFO L93 Difference]: Finished difference Result 213 states and 229 transitions. [2022-02-21 00:00:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 229 transitions. [2022-02-21 00:00:18,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:18,149 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:18,149 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:18,149 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:18,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 69 states have (on average 1.391304347826087) internal successors, (96), 83 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 96 transitions. [2022-02-21 00:00:18,151 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 96 transitions. Word has length 29 [2022-02-21 00:00:18,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:18,151 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 96 transitions. [2022-02-21 00:00:18,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 1.930232558139535) internal successors, (83), 44 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 96 transitions. [2022-02-21 00:00:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-02-21 00:00:18,153 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:18,153 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:18,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:18,371 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:18,371 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:18,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:18,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1082686446, now seen corresponding path program 2 times [2022-02-21 00:00:18,372 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:18,372 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326778878] [2022-02-21 00:00:18,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:18,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:18,529 INFO L290 TraceCheckUtils]: 0: Hoare triple {4921#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {4921#true} is VALID [2022-02-21 00:00:18,530 INFO L290 TraceCheckUtils]: 1: Hoare triple {4921#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,536 INFO L290 TraceCheckUtils]: 2: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,547 INFO L290 TraceCheckUtils]: 3: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,548 INFO L290 TraceCheckUtils]: 4: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,550 INFO L290 TraceCheckUtils]: 5: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,550 INFO L290 TraceCheckUtils]: 6: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,555 INFO L290 TraceCheckUtils]: 7: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,555 INFO L290 TraceCheckUtils]: 8: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,556 INFO L290 TraceCheckUtils]: 9: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:18,556 INFO L290 TraceCheckUtils]: 10: Hoare triple {4923#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,556 INFO L290 TraceCheckUtils]: 11: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,557 INFO L290 TraceCheckUtils]: 12: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,557 INFO L290 TraceCheckUtils]: 13: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,557 INFO L290 TraceCheckUtils]: 14: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,557 INFO L290 TraceCheckUtils]: 15: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,558 INFO L290 TraceCheckUtils]: 16: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,566 INFO L290 TraceCheckUtils]: 17: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,567 INFO L290 TraceCheckUtils]: 18: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,567 INFO L290 TraceCheckUtils]: 19: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,568 INFO L290 TraceCheckUtils]: 20: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,568 INFO L290 TraceCheckUtils]: 21: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:18,568 INFO L290 TraceCheckUtils]: 22: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {4925#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:18,569 INFO L290 TraceCheckUtils]: 23: Hoare triple {4925#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} is VALID [2022-02-21 00:00:18,569 INFO L290 TraceCheckUtils]: 24: Hoare triple {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} assume !!(sll_update_at_~index#1 > 0); {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} is VALID [2022-02-21 00:00:18,569 INFO L290 TraceCheckUtils]: 25: Hoare triple {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} is VALID [2022-02-21 00:00:18,569 INFO L290 TraceCheckUtils]: 26: Hoare triple {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {4927#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} is VALID [2022-02-21 00:00:18,570 INFO L290 TraceCheckUtils]: 27: Hoare triple {4927#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} assume !!(sll_update_at_~index#1 > 0); {4922#false} is VALID [2022-02-21 00:00:18,570 INFO L290 TraceCheckUtils]: 28: Hoare triple {4922#false} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {4922#false} is VALID [2022-02-21 00:00:18,570 INFO L290 TraceCheckUtils]: 29: Hoare triple {4922#false} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {4922#false} is VALID [2022-02-21 00:00:18,570 INFO L290 TraceCheckUtils]: 30: Hoare triple {4922#false} assume !(sll_update_at_~index#1 > 0); {4922#false} is VALID [2022-02-21 00:00:18,570 INFO L290 TraceCheckUtils]: 31: Hoare triple {4922#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {4922#false} is VALID [2022-02-21 00:00:18,570 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-21 00:00:18,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:18,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326778878] [2022-02-21 00:00:18,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326778878] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:18,571 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124046756] [2022-02-21 00:00:18,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-21 00:00:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:18,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:18,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-21 00:00:18,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-21 00:00:18,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-21 00:00:18,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-21 00:00:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:18,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:19,021 INFO L290 TraceCheckUtils]: 0: Hoare triple {4921#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {4921#true} is VALID [2022-02-21 00:00:19,022 INFO L290 TraceCheckUtils]: 1: Hoare triple {4921#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,022 INFO L290 TraceCheckUtils]: 2: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,023 INFO L290 TraceCheckUtils]: 3: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,023 INFO L290 TraceCheckUtils]: 4: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,024 INFO L290 TraceCheckUtils]: 5: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,024 INFO L290 TraceCheckUtils]: 6: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,024 INFO L290 TraceCheckUtils]: 7: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,024 INFO L290 TraceCheckUtils]: 8: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,025 INFO L290 TraceCheckUtils]: 9: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,025 INFO L290 TraceCheckUtils]: 10: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,025 INFO L290 TraceCheckUtils]: 11: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,025 INFO L290 TraceCheckUtils]: 12: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,026 INFO L290 TraceCheckUtils]: 13: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,026 INFO L290 TraceCheckUtils]: 14: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,026 INFO L290 TraceCheckUtils]: 15: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,030 INFO L290 TraceCheckUtils]: 16: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,030 INFO L290 TraceCheckUtils]: 17: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,030 INFO L290 TraceCheckUtils]: 18: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,031 INFO L290 TraceCheckUtils]: 19: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,031 INFO L290 TraceCheckUtils]: 20: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,031 INFO L290 TraceCheckUtils]: 21: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:19,032 INFO L290 TraceCheckUtils]: 22: Hoare triple {4924#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {4925#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:19,048 INFO L290 TraceCheckUtils]: 23: Hoare triple {4925#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} is VALID [2022-02-21 00:00:19,048 INFO L290 TraceCheckUtils]: 24: Hoare triple {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} assume !!(sll_update_at_~index#1 > 0); {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} is VALID [2022-02-21 00:00:19,048 INFO L290 TraceCheckUtils]: 25: Hoare triple {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} is VALID [2022-02-21 00:00:19,049 INFO L290 TraceCheckUtils]: 26: Hoare triple {4926#(<= |ULTIMATE.start_sll_update_at_~index#1| 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {4927#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} is VALID [2022-02-21 00:00:19,063 INFO L290 TraceCheckUtils]: 27: Hoare triple {4927#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} assume !!(sll_update_at_~index#1 > 0); {4922#false} is VALID [2022-02-21 00:00:19,063 INFO L290 TraceCheckUtils]: 28: Hoare triple {4922#false} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {4922#false} is VALID [2022-02-21 00:00:19,063 INFO L290 TraceCheckUtils]: 29: Hoare triple {4922#false} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {4922#false} is VALID [2022-02-21 00:00:19,063 INFO L290 TraceCheckUtils]: 30: Hoare triple {4922#false} assume !(sll_update_at_~index#1 > 0); {4922#false} is VALID [2022-02-21 00:00:19,063 INFO L290 TraceCheckUtils]: 31: Hoare triple {4922#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {4922#false} is VALID [2022-02-21 00:00:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-21 00:00:19,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-21 00:00:19,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124046756] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:19,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-21 00:00:19,065 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 7 [2022-02-21 00:00:19,066 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356257266] [2022-02-21 00:00:19,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:19,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-21 00:00:19,067 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:19,067 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,097 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:19,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:19,098 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:19,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:19,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:19,099 INFO L87 Difference]: Start difference. First operand 84 states and 96 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:19,254 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2022-02-21 00:00:19,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:19,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-02-21 00:00:19,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 60 transitions. [2022-02-21 00:00:19,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 60 transitions. [2022-02-21 00:00:19,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 60 transitions. [2022-02-21 00:00:19,315 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:19,315 INFO L225 Difference]: With dead ends: 70 [2022-02-21 00:00:19,316 INFO L226 Difference]: Without dead ends: 70 [2022-02-21 00:00:19,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-02-21 00:00:19,316 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 154 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:19,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 73 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:19,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-02-21 00:00:19,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-02-21 00:00:19,318 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:19,318 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 70 states, 58 states have (on average 1.293103448275862) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,318 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 70 states, 58 states have (on average 1.293103448275862) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,318 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 70 states, 58 states have (on average 1.293103448275862) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:19,319 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2022-02-21 00:00:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2022-02-21 00:00:19,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:19,319 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:19,319 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 58 states have (on average 1.293103448275862) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-21 00:00:19,326 INFO L87 Difference]: Start difference. First operand has 70 states, 58 states have (on average 1.293103448275862) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-21 00:00:19,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:19,327 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2022-02-21 00:00:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2022-02-21 00:00:19,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:19,327 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:19,327 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:19,327 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 58 states have (on average 1.293103448275862) internal successors, (75), 69 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2022-02-21 00:00:19,328 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 32 [2022-02-21 00:00:19,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:19,328 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2022-02-21 00:00:19,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,329 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2022-02-21 00:00:19,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-21 00:00:19,329 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:19,330 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2022-02-21 00:00:19,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:19,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-02-21 00:00:19,539 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:19,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:19,540 INFO L85 PathProgramCache]: Analyzing trace with hash -516260032, now seen corresponding path program 1 times [2022-02-21 00:00:19,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:19,540 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905138488] [2022-02-21 00:00:19,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:19,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:19,675 INFO L290 TraceCheckUtils]: 0: Hoare triple {5309#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5309#true} is VALID [2022-02-21 00:00:19,675 INFO L290 TraceCheckUtils]: 1: Hoare triple {5309#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {5309#true} is VALID [2022-02-21 00:00:19,675 INFO L290 TraceCheckUtils]: 2: Hoare triple {5309#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5309#true} is VALID [2022-02-21 00:00:19,675 INFO L290 TraceCheckUtils]: 3: Hoare triple {5309#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 4: Hoare triple {5309#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 5: Hoare triple {5309#true} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 6: Hoare triple {5309#true} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 7: Hoare triple {5309#true} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 8: Hoare triple {5309#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 9: Hoare triple {5309#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5309#true} is VALID [2022-02-21 00:00:19,676 INFO L290 TraceCheckUtils]: 10: Hoare triple {5309#true} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5309#true} is VALID [2022-02-21 00:00:19,677 INFO L290 TraceCheckUtils]: 11: Hoare triple {5309#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5309#true} is VALID [2022-02-21 00:00:19,677 INFO L290 TraceCheckUtils]: 12: Hoare triple {5309#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5309#true} is VALID [2022-02-21 00:00:19,678 INFO L290 TraceCheckUtils]: 13: Hoare triple {5309#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5311#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,679 INFO L290 TraceCheckUtils]: 14: Hoare triple {5311#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5311#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,679 INFO L290 TraceCheckUtils]: 15: Hoare triple {5311#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5312#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:19,679 INFO L290 TraceCheckUtils]: 16: Hoare triple {5312#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5313#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,680 INFO L290 TraceCheckUtils]: 17: Hoare triple {5313#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5313#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,680 INFO L290 TraceCheckUtils]: 18: Hoare triple {5313#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5314#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,681 INFO L290 TraceCheckUtils]: 19: Hoare triple {5314#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5314#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,681 INFO L290 TraceCheckUtils]: 20: Hoare triple {5314#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !(sll_create_~len#1 > 0); {5314#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,682 INFO L290 TraceCheckUtils]: 21: Hoare triple {5314#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {5315#(= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:19,699 INFO L290 TraceCheckUtils]: 22: Hoare triple {5315#(= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,700 INFO L290 TraceCheckUtils]: 23: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,700 INFO L290 TraceCheckUtils]: 24: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume !!(sll_update_at_~index#1 > 0); {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,700 INFO L290 TraceCheckUtils]: 25: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,701 INFO L290 TraceCheckUtils]: 26: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,701 INFO L290 TraceCheckUtils]: 27: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume !(sll_update_at_~index#1 > 0); {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,701 INFO L290 TraceCheckUtils]: 28: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,702 INFO L290 TraceCheckUtils]: 29: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume { :end_inline_sll_update_at } true; {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,704 INFO L290 TraceCheckUtils]: 30: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,704 INFO L290 TraceCheckUtils]: 31: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume !(main_~i~0#1 >= 0); {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,704 INFO L290 TraceCheckUtils]: 32: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} main_~i~0#1 := main_~len~0#1 - 1; {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} is VALID [2022-02-21 00:00:19,705 INFO L290 TraceCheckUtils]: 33: Hoare triple {5316#(= (select |#valid| |ULTIMATE.start_main_~s~0#1.base|) 1)} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {5317#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:19,705 INFO L290 TraceCheckUtils]: 34: Hoare triple {5317#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(sll_get_data_at_~index#1 > 0); {5317#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:19,705 INFO L290 TraceCheckUtils]: 35: Hoare triple {5317#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(1 == #valid[sll_get_data_at_~head#1.base]); {5310#false} is VALID [2022-02-21 00:00:19,706 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-02-21 00:00:19,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:19,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905138488] [2022-02-21 00:00:19,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905138488] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:19,706 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:19,706 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-21 00:00:19,706 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147800270] [2022-02-21 00:00:19,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:19,706 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-02-21 00:00:19,706 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:19,707 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:19,741 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:19,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-21 00:00:19,741 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:19,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-21 00:00:19,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-21 00:00:19,742 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:20,284 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2022-02-21 00:00:20,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-21 00:00:20,284 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-02-21 00:00:20,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:20,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 88 transitions. [2022-02-21 00:00:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 88 transitions. [2022-02-21 00:00:20,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 88 transitions. [2022-02-21 00:00:20,359 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:20,360 INFO L225 Difference]: With dead ends: 89 [2022-02-21 00:00:20,360 INFO L226 Difference]: Without dead ends: 89 [2022-02-21 00:00:20,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-21 00:00:20,360 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 337 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:20,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [337 Valid, 109 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-21 00:00:20,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-02-21 00:00:20,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 73. [2022-02-21 00:00:20,362 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:20,362 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand has 73 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,362 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand has 73 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,362 INFO L87 Difference]: Start difference. First operand 89 states. Second operand has 73 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:20,363 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2022-02-21 00:00:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2022-02-21 00:00:20,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:20,363 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:20,364 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 89 states. [2022-02-21 00:00:20,366 INFO L87 Difference]: Start difference. First operand has 73 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 89 states. [2022-02-21 00:00:20,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:20,371 INFO L93 Difference]: Finished difference Result 89 states and 95 transitions. [2022-02-21 00:00:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2022-02-21 00:00:20,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:20,371 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:20,372 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:20,372 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:20,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2022-02-21 00:00:20,373 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 36 [2022-02-21 00:00:20,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:20,373 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2022-02-21 00:00:20,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:20,373 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2022-02-21 00:00:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-02-21 00:00:20,374 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:20,374 INFO L514 BasicCegarLoop]: trace histogram [2, 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] [2022-02-21 00:00:20,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-21 00:00:20,374 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:20,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:20,375 INFO L85 PathProgramCache]: Analyzing trace with hash -516260031, now seen corresponding path program 1 times [2022-02-21 00:00:20,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:20,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501235233] [2022-02-21 00:00:20,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:20,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:20,523 INFO L290 TraceCheckUtils]: 0: Hoare triple {5675#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5675#true} is VALID [2022-02-21 00:00:20,524 INFO L290 TraceCheckUtils]: 1: Hoare triple {5675#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,525 INFO L290 TraceCheckUtils]: 2: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,525 INFO L290 TraceCheckUtils]: 3: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,525 INFO L290 TraceCheckUtils]: 4: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,526 INFO L290 TraceCheckUtils]: 5: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,526 INFO L290 TraceCheckUtils]: 6: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,527 INFO L290 TraceCheckUtils]: 7: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,527 INFO L290 TraceCheckUtils]: 8: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,528 INFO L290 TraceCheckUtils]: 9: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:20,528 INFO L290 TraceCheckUtils]: 10: Hoare triple {5677#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,528 INFO L290 TraceCheckUtils]: 11: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,529 INFO L290 TraceCheckUtils]: 12: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,529 INFO L290 TraceCheckUtils]: 13: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,529 INFO L290 TraceCheckUtils]: 14: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,529 INFO L290 TraceCheckUtils]: 15: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,530 INFO L290 TraceCheckUtils]: 16: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,530 INFO L290 TraceCheckUtils]: 17: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,530 INFO L290 TraceCheckUtils]: 18: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,531 INFO L290 TraceCheckUtils]: 19: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,531 INFO L290 TraceCheckUtils]: 20: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,531 INFO L290 TraceCheckUtils]: 21: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,531 INFO L290 TraceCheckUtils]: 22: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,532 INFO L290 TraceCheckUtils]: 23: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,532 INFO L290 TraceCheckUtils]: 24: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(sll_update_at_~index#1 > 0); {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,532 INFO L290 TraceCheckUtils]: 25: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,532 INFO L290 TraceCheckUtils]: 26: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,533 INFO L290 TraceCheckUtils]: 27: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !(sll_update_at_~index#1 > 0); {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,533 INFO L290 TraceCheckUtils]: 28: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,533 INFO L290 TraceCheckUtils]: 29: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume { :end_inline_sll_update_at } true; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,534 INFO L290 TraceCheckUtils]: 30: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {5680#(<= 0 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,534 INFO L290 TraceCheckUtils]: 31: Hoare triple {5680#(<= 0 |ULTIMATE.start_main_~i~0#1|)} assume !(main_~i~0#1 >= 0); {5676#false} is VALID [2022-02-21 00:00:20,534 INFO L290 TraceCheckUtils]: 32: Hoare triple {5676#false} main_~i~0#1 := main_~len~0#1 - 1; {5676#false} is VALID [2022-02-21 00:00:20,534 INFO L290 TraceCheckUtils]: 33: Hoare triple {5676#false} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {5676#false} is VALID [2022-02-21 00:00:20,534 INFO L290 TraceCheckUtils]: 34: Hoare triple {5676#false} assume !(sll_get_data_at_~index#1 > 0); {5676#false} is VALID [2022-02-21 00:00:20,534 INFO L290 TraceCheckUtils]: 35: Hoare triple {5676#false} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {5676#false} is VALID [2022-02-21 00:00:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-21 00:00:20,535 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:20,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501235233] [2022-02-21 00:00:20,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501235233] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:20,535 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472798325] [2022-02-21 00:00:20,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:20,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:20,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:20,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:20,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-21 00:00:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:20,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-21 00:00:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:20,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:20,825 INFO L290 TraceCheckUtils]: 0: Hoare triple {5675#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5675#true} is VALID [2022-02-21 00:00:20,826 INFO L290 TraceCheckUtils]: 1: Hoare triple {5675#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,826 INFO L290 TraceCheckUtils]: 2: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,827 INFO L290 TraceCheckUtils]: 3: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,827 INFO L290 TraceCheckUtils]: 4: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,827 INFO L290 TraceCheckUtils]: 5: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,828 INFO L290 TraceCheckUtils]: 6: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,828 INFO L290 TraceCheckUtils]: 7: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,829 INFO L290 TraceCheckUtils]: 8: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,829 INFO L290 TraceCheckUtils]: 9: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,829 INFO L290 TraceCheckUtils]: 10: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,830 INFO L290 TraceCheckUtils]: 11: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,830 INFO L290 TraceCheckUtils]: 12: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,831 INFO L290 TraceCheckUtils]: 13: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,831 INFO L290 TraceCheckUtils]: 14: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,831 INFO L290 TraceCheckUtils]: 15: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,832 INFO L290 TraceCheckUtils]: 16: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,832 INFO L290 TraceCheckUtils]: 17: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,833 INFO L290 TraceCheckUtils]: 18: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,833 INFO L290 TraceCheckUtils]: 19: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,833 INFO L290 TraceCheckUtils]: 20: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,834 INFO L290 TraceCheckUtils]: 21: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:20,834 INFO L290 TraceCheckUtils]: 22: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,835 INFO L290 TraceCheckUtils]: 23: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,835 INFO L290 TraceCheckUtils]: 24: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(sll_update_at_~index#1 > 0); {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,836 INFO L290 TraceCheckUtils]: 25: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,836 INFO L290 TraceCheckUtils]: 26: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,836 INFO L290 TraceCheckUtils]: 27: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !(sll_update_at_~index#1 > 0); {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,837 INFO L290 TraceCheckUtils]: 28: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,837 INFO L290 TraceCheckUtils]: 29: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume { :end_inline_sll_update_at } true; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,838 INFO L290 TraceCheckUtils]: 30: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {5680#(<= 0 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,838 INFO L290 TraceCheckUtils]: 31: Hoare triple {5680#(<= 0 |ULTIMATE.start_main_~i~0#1|)} assume !(main_~i~0#1 >= 0); {5676#false} is VALID [2022-02-21 00:00:20,838 INFO L290 TraceCheckUtils]: 32: Hoare triple {5676#false} main_~i~0#1 := main_~len~0#1 - 1; {5676#false} is VALID [2022-02-21 00:00:20,838 INFO L290 TraceCheckUtils]: 33: Hoare triple {5676#false} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {5676#false} is VALID [2022-02-21 00:00:20,839 INFO L290 TraceCheckUtils]: 34: Hoare triple {5676#false} assume !(sll_get_data_at_~index#1 > 0); {5676#false} is VALID [2022-02-21 00:00:20,839 INFO L290 TraceCheckUtils]: 35: Hoare triple {5676#false} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {5676#false} is VALID [2022-02-21 00:00:20,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-21 00:00:20,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:20,994 INFO L290 TraceCheckUtils]: 35: Hoare triple {5676#false} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {5676#false} is VALID [2022-02-21 00:00:20,995 INFO L290 TraceCheckUtils]: 34: Hoare triple {5676#false} assume !(sll_get_data_at_~index#1 > 0); {5676#false} is VALID [2022-02-21 00:00:20,995 INFO L290 TraceCheckUtils]: 33: Hoare triple {5676#false} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {5676#false} is VALID [2022-02-21 00:00:20,995 INFO L290 TraceCheckUtils]: 32: Hoare triple {5676#false} main_~i~0#1 := main_~len~0#1 - 1; {5676#false} is VALID [2022-02-21 00:00:20,995 INFO L290 TraceCheckUtils]: 31: Hoare triple {5680#(<= 0 |ULTIMATE.start_main_~i~0#1|)} assume !(main_~i~0#1 >= 0); {5676#false} is VALID [2022-02-21 00:00:20,996 INFO L290 TraceCheckUtils]: 30: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {5680#(<= 0 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,996 INFO L290 TraceCheckUtils]: 29: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume { :end_inline_sll_update_at } true; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,997 INFO L290 TraceCheckUtils]: 28: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,997 INFO L290 TraceCheckUtils]: 27: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !(sll_update_at_~index#1 > 0); {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,998 INFO L290 TraceCheckUtils]: 26: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,998 INFO L290 TraceCheckUtils]: 25: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,998 INFO L290 TraceCheckUtils]: 24: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(sll_update_at_~index#1 > 0); {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:20,999 INFO L290 TraceCheckUtils]: 23: Hoare triple {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:21,000 INFO L290 TraceCheckUtils]: 22: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {5679#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:21,000 INFO L290 TraceCheckUtils]: 21: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,000 INFO L290 TraceCheckUtils]: 20: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,001 INFO L290 TraceCheckUtils]: 19: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,001 INFO L290 TraceCheckUtils]: 18: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,002 INFO L290 TraceCheckUtils]: 17: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,002 INFO L290 TraceCheckUtils]: 16: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,002 INFO L290 TraceCheckUtils]: 15: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,003 INFO L290 TraceCheckUtils]: 14: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,003 INFO L290 TraceCheckUtils]: 13: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,004 INFO L290 TraceCheckUtils]: 12: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,004 INFO L290 TraceCheckUtils]: 11: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,004 INFO L290 TraceCheckUtils]: 10: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,005 INFO L290 TraceCheckUtils]: 9: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,005 INFO L290 TraceCheckUtils]: 8: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,006 INFO L290 TraceCheckUtils]: 7: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,006 INFO L290 TraceCheckUtils]: 6: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,007 INFO L290 TraceCheckUtils]: 5: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,007 INFO L290 TraceCheckUtils]: 4: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,007 INFO L290 TraceCheckUtils]: 3: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,008 INFO L290 TraceCheckUtils]: 2: Hoare triple {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,009 INFO L290 TraceCheckUtils]: 1: Hoare triple {5675#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {5678#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:21,009 INFO L290 TraceCheckUtils]: 0: Hoare triple {5675#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5675#true} is VALID [2022-02-21 00:00:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-21 00:00:21,009 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472798325] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:21,009 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:21,010 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2022-02-21 00:00:21,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115527216] [2022-02-21 00:00:21,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:21,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-02-21 00:00:21,011 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:21,011 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,046 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:21,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:21,047 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:21,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:21,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:21,048 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:21,219 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2022-02-21 00:00:21,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:21,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-02-21 00:00:21,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-02-21 00:00:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 94 transitions. [2022-02-21 00:00:21,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 94 transitions. [2022-02-21 00:00:21,301 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:21,302 INFO L225 Difference]: With dead ends: 95 [2022-02-21 00:00:21,302 INFO L226 Difference]: Without dead ends: 95 [2022-02-21 00:00:21,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:21,303 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 126 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:21,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 143 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:21,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-02-21 00:00:21,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2022-02-21 00:00:21,305 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:21,305 INFO L82 GeneralOperation]: Start isEquivalent. First operand 95 states. Second operand has 89 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 88 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,305 INFO L74 IsIncluded]: Start isIncluded. First operand 95 states. Second operand has 89 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 88 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,305 INFO L87 Difference]: Start difference. First operand 95 states. Second operand has 89 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 88 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:21,306 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2022-02-21 00:00:21,306 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2022-02-21 00:00:21,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:21,306 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:21,318 INFO L74 IsIncluded]: Start isIncluded. First operand has 89 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 88 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 95 states. [2022-02-21 00:00:21,318 INFO L87 Difference]: Start difference. First operand has 89 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 88 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 95 states. [2022-02-21 00:00:21,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:21,320 INFO L93 Difference]: Finished difference Result 95 states and 107 transitions. [2022-02-21 00:00:21,320 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2022-02-21 00:00:21,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:21,320 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:21,320 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:21,320 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 88 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2022-02-21 00:00:21,322 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 36 [2022-02-21 00:00:21,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:21,322 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2022-02-21 00:00:21,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2022-02-21 00:00:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-21 00:00:21,322 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:21,323 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:21,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:21,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:21,549 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:21,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:21,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1215669110, now seen corresponding path program 1 times [2022-02-21 00:00:21,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:21,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170468662] [2022-02-21 00:00:21,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:21,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:21,623 INFO L290 TraceCheckUtils]: 0: Hoare triple {6271#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6271#true} is VALID [2022-02-21 00:00:21,624 INFO L290 TraceCheckUtils]: 1: Hoare triple {6271#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,624 INFO L290 TraceCheckUtils]: 2: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,625 INFO L290 TraceCheckUtils]: 3: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,625 INFO L290 TraceCheckUtils]: 4: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,626 INFO L290 TraceCheckUtils]: 5: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,627 INFO L290 TraceCheckUtils]: 6: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,627 INFO L290 TraceCheckUtils]: 7: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,628 INFO L290 TraceCheckUtils]: 8: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,628 INFO L290 TraceCheckUtils]: 9: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:21,629 INFO L290 TraceCheckUtils]: 10: Hoare triple {6273#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,629 INFO L290 TraceCheckUtils]: 11: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,629 INFO L290 TraceCheckUtils]: 12: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,630 INFO L290 TraceCheckUtils]: 13: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,630 INFO L290 TraceCheckUtils]: 14: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,630 INFO L290 TraceCheckUtils]: 15: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,631 INFO L290 TraceCheckUtils]: 16: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,631 INFO L290 TraceCheckUtils]: 17: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,631 INFO L290 TraceCheckUtils]: 18: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,632 INFO L290 TraceCheckUtils]: 19: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,632 INFO L290 TraceCheckUtils]: 20: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,632 INFO L290 TraceCheckUtils]: 21: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,633 INFO L290 TraceCheckUtils]: 22: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,633 INFO L290 TraceCheckUtils]: 23: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,634 INFO L290 TraceCheckUtils]: 24: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(sll_update_at_~index#1 > 0); {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,634 INFO L290 TraceCheckUtils]: 25: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,634 INFO L290 TraceCheckUtils]: 26: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,635 INFO L290 TraceCheckUtils]: 27: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !(sll_update_at_~index#1 > 0); {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,635 INFO L290 TraceCheckUtils]: 28: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,635 INFO L290 TraceCheckUtils]: 29: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume { :end_inline_sll_update_at } true; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,636 INFO L290 TraceCheckUtils]: 30: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6276#(<= |ULTIMATE.start_main_~i~0#1| 0)} is VALID [2022-02-21 00:00:21,636 INFO L290 TraceCheckUtils]: 31: Hoare triple {6276#(<= |ULTIMATE.start_main_~i~0#1| 0)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6277#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} is VALID [2022-02-21 00:00:21,637 INFO L290 TraceCheckUtils]: 32: Hoare triple {6277#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} assume !!(sll_update_at_~index#1 > 0); {6272#false} is VALID [2022-02-21 00:00:21,637 INFO L290 TraceCheckUtils]: 33: Hoare triple {6272#false} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6272#false} is VALID [2022-02-21 00:00:21,637 INFO L290 TraceCheckUtils]: 34: Hoare triple {6272#false} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6272#false} is VALID [2022-02-21 00:00:21,637 INFO L290 TraceCheckUtils]: 35: Hoare triple {6272#false} assume !(sll_update_at_~index#1 > 0); {6272#false} is VALID [2022-02-21 00:00:21,637 INFO L290 TraceCheckUtils]: 36: Hoare triple {6272#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {6272#false} is VALID [2022-02-21 00:00:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-21 00:00:21,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:21,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170468662] [2022-02-21 00:00:21,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170468662] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:21,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900049694] [2022-02-21 00:00:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:21,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:21,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:21,639 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:21,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-21 00:00:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:21,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-21 00:00:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:21,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:21,960 INFO L290 TraceCheckUtils]: 0: Hoare triple {6271#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6271#true} is VALID [2022-02-21 00:00:21,961 INFO L290 TraceCheckUtils]: 1: Hoare triple {6271#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,961 INFO L290 TraceCheckUtils]: 2: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,962 INFO L290 TraceCheckUtils]: 3: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,962 INFO L290 TraceCheckUtils]: 4: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,962 INFO L290 TraceCheckUtils]: 5: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,963 INFO L290 TraceCheckUtils]: 6: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,963 INFO L290 TraceCheckUtils]: 7: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,964 INFO L290 TraceCheckUtils]: 8: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,964 INFO L290 TraceCheckUtils]: 9: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,964 INFO L290 TraceCheckUtils]: 10: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,965 INFO L290 TraceCheckUtils]: 11: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,965 INFO L290 TraceCheckUtils]: 12: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,965 INFO L290 TraceCheckUtils]: 13: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,966 INFO L290 TraceCheckUtils]: 14: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,966 INFO L290 TraceCheckUtils]: 15: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,966 INFO L290 TraceCheckUtils]: 16: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,967 INFO L290 TraceCheckUtils]: 17: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,967 INFO L290 TraceCheckUtils]: 18: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,967 INFO L290 TraceCheckUtils]: 19: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,968 INFO L290 TraceCheckUtils]: 20: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,968 INFO L290 TraceCheckUtils]: 21: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:21,969 INFO L290 TraceCheckUtils]: 22: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,969 INFO L290 TraceCheckUtils]: 23: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,970 INFO L290 TraceCheckUtils]: 24: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(sll_update_at_~index#1 > 0); {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,970 INFO L290 TraceCheckUtils]: 25: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,970 INFO L290 TraceCheckUtils]: 26: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,971 INFO L290 TraceCheckUtils]: 27: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !(sll_update_at_~index#1 > 0); {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,971 INFO L290 TraceCheckUtils]: 28: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,971 INFO L290 TraceCheckUtils]: 29: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume { :end_inline_sll_update_at } true; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:21,972 INFO L290 TraceCheckUtils]: 30: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6276#(<= |ULTIMATE.start_main_~i~0#1| 0)} is VALID [2022-02-21 00:00:21,972 INFO L290 TraceCheckUtils]: 31: Hoare triple {6276#(<= |ULTIMATE.start_main_~i~0#1| 0)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6277#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} is VALID [2022-02-21 00:00:21,973 INFO L290 TraceCheckUtils]: 32: Hoare triple {6277#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} assume !!(sll_update_at_~index#1 > 0); {6272#false} is VALID [2022-02-21 00:00:21,973 INFO L290 TraceCheckUtils]: 33: Hoare triple {6272#false} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6272#false} is VALID [2022-02-21 00:00:21,973 INFO L290 TraceCheckUtils]: 34: Hoare triple {6272#false} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6272#false} is VALID [2022-02-21 00:00:21,973 INFO L290 TraceCheckUtils]: 35: Hoare triple {6272#false} assume !(sll_update_at_~index#1 > 0); {6272#false} is VALID [2022-02-21 00:00:21,973 INFO L290 TraceCheckUtils]: 36: Hoare triple {6272#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {6272#false} is VALID [2022-02-21 00:00:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-21 00:00:21,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:22,224 INFO L290 TraceCheckUtils]: 36: Hoare triple {6272#false} assume !(1 == #valid[sll_update_at_~head#1.base]); {6272#false} is VALID [2022-02-21 00:00:22,225 INFO L290 TraceCheckUtils]: 35: Hoare triple {6272#false} assume !(sll_update_at_~index#1 > 0); {6272#false} is VALID [2022-02-21 00:00:22,225 INFO L290 TraceCheckUtils]: 34: Hoare triple {6272#false} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6272#false} is VALID [2022-02-21 00:00:22,225 INFO L290 TraceCheckUtils]: 33: Hoare triple {6272#false} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6272#false} is VALID [2022-02-21 00:00:22,225 INFO L290 TraceCheckUtils]: 32: Hoare triple {6277#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} assume !!(sll_update_at_~index#1 > 0); {6272#false} is VALID [2022-02-21 00:00:22,226 INFO L290 TraceCheckUtils]: 31: Hoare triple {6276#(<= |ULTIMATE.start_main_~i~0#1| 0)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6277#(<= |ULTIMATE.start_sll_update_at_~index#1| 0)} is VALID [2022-02-21 00:00:22,227 INFO L290 TraceCheckUtils]: 30: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6276#(<= |ULTIMATE.start_main_~i~0#1| 0)} is VALID [2022-02-21 00:00:22,227 INFO L290 TraceCheckUtils]: 29: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume { :end_inline_sll_update_at } true; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,227 INFO L290 TraceCheckUtils]: 28: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,228 INFO L290 TraceCheckUtils]: 27: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !(sll_update_at_~index#1 > 0); {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,228 INFO L290 TraceCheckUtils]: 26: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,229 INFO L290 TraceCheckUtils]: 25: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,229 INFO L290 TraceCheckUtils]: 24: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(sll_update_at_~index#1 > 0); {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,229 INFO L290 TraceCheckUtils]: 23: Hoare triple {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,230 INFO L290 TraceCheckUtils]: 22: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {6275#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:22,230 INFO L290 TraceCheckUtils]: 21: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,231 INFO L290 TraceCheckUtils]: 20: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,231 INFO L290 TraceCheckUtils]: 19: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,232 INFO L290 TraceCheckUtils]: 18: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,232 INFO L290 TraceCheckUtils]: 17: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,232 INFO L290 TraceCheckUtils]: 16: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,233 INFO L290 TraceCheckUtils]: 15: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,233 INFO L290 TraceCheckUtils]: 14: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,234 INFO L290 TraceCheckUtils]: 13: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,234 INFO L290 TraceCheckUtils]: 12: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,234 INFO L290 TraceCheckUtils]: 11: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,235 INFO L290 TraceCheckUtils]: 10: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,235 INFO L290 TraceCheckUtils]: 9: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,236 INFO L290 TraceCheckUtils]: 8: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,236 INFO L290 TraceCheckUtils]: 7: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,237 INFO L290 TraceCheckUtils]: 6: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,237 INFO L290 TraceCheckUtils]: 5: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,237 INFO L290 TraceCheckUtils]: 4: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,238 INFO L290 TraceCheckUtils]: 3: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,238 INFO L290 TraceCheckUtils]: 2: Hoare triple {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,239 INFO L290 TraceCheckUtils]: 1: Hoare triple {6271#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6274#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:22,239 INFO L290 TraceCheckUtils]: 0: Hoare triple {6271#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6271#true} is VALID [2022-02-21 00:00:22,239 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-21 00:00:22,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900049694] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:22,240 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:22,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2022-02-21 00:00:22,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049132772] [2022-02-21 00:00:22,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:22,241 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-21 00:00:22,241 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:22,241 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,279 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:22,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-21 00:00:22,279 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:22,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-21 00:00:22,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:22,280 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:22,599 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2022-02-21 00:00:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 00:00:22,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-21 00:00:22,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 87 transitions. [2022-02-21 00:00:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 87 transitions. [2022-02-21 00:00:22,601 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 87 transitions. [2022-02-21 00:00:22,710 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:22,711 INFO L225 Difference]: With dead ends: 90 [2022-02-21 00:00:22,711 INFO L226 Difference]: Without dead ends: 90 [2022-02-21 00:00:22,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-02-21 00:00:22,711 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 124 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:22,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 175 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:22,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-02-21 00:00:22,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2022-02-21 00:00:22,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:22,713 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand has 84 states, 73 states have (on average 1.36986301369863) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,714 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand has 84 states, 73 states have (on average 1.36986301369863) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,714 INFO L87 Difference]: Start difference. First operand 90 states. Second operand has 84 states, 73 states have (on average 1.36986301369863) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:22,714 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2022-02-21 00:00:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2022-02-21 00:00:22,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:22,715 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:22,715 INFO L74 IsIncluded]: Start isIncluded. First operand has 84 states, 73 states have (on average 1.36986301369863) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 90 states. [2022-02-21 00:00:22,715 INFO L87 Difference]: Start difference. First operand has 84 states, 73 states have (on average 1.36986301369863) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 90 states. [2022-02-21 00:00:22,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:22,716 INFO L93 Difference]: Finished difference Result 90 states and 101 transitions. [2022-02-21 00:00:22,716 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 101 transitions. [2022-02-21 00:00:22,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:22,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:22,716 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:22,716 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:22,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 73 states have (on average 1.36986301369863) internal successors, (100), 83 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 100 transitions. [2022-02-21 00:00:22,717 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 100 transitions. Word has length 37 [2022-02-21 00:00:22,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:22,718 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 100 transitions. [2022-02-21 00:00:22,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:22,718 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2022-02-21 00:00:22,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-21 00:00:22,718 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:22,719 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:22,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:22,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:22,935 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:22,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:22,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1972522149, now seen corresponding path program 2 times [2022-02-21 00:00:22,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:22,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745004636] [2022-02-21 00:00:22,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:22,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:23,026 INFO L290 TraceCheckUtils]: 0: Hoare triple {6856#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6856#true} is VALID [2022-02-21 00:00:23,027 INFO L290 TraceCheckUtils]: 1: Hoare triple {6856#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,027 INFO L290 TraceCheckUtils]: 2: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,028 INFO L290 TraceCheckUtils]: 3: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,028 INFO L290 TraceCheckUtils]: 4: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,029 INFO L290 TraceCheckUtils]: 5: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,029 INFO L290 TraceCheckUtils]: 6: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,030 INFO L290 TraceCheckUtils]: 7: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,030 INFO L290 TraceCheckUtils]: 8: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,031 INFO L290 TraceCheckUtils]: 9: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:23,031 INFO L290 TraceCheckUtils]: 10: Hoare triple {6858#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,031 INFO L290 TraceCheckUtils]: 11: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,032 INFO L290 TraceCheckUtils]: 12: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,032 INFO L290 TraceCheckUtils]: 13: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,032 INFO L290 TraceCheckUtils]: 14: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,033 INFO L290 TraceCheckUtils]: 15: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,033 INFO L290 TraceCheckUtils]: 16: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,033 INFO L290 TraceCheckUtils]: 17: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,033 INFO L290 TraceCheckUtils]: 18: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,034 INFO L290 TraceCheckUtils]: 19: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,034 INFO L290 TraceCheckUtils]: 20: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,034 INFO L290 TraceCheckUtils]: 21: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,034 INFO L290 TraceCheckUtils]: 22: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,035 INFO L290 TraceCheckUtils]: 23: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,035 INFO L290 TraceCheckUtils]: 24: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_update_at_~index#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,035 INFO L290 TraceCheckUtils]: 25: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,036 INFO L290 TraceCheckUtils]: 26: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,036 INFO L290 TraceCheckUtils]: 27: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_update_at_~index#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,036 INFO L290 TraceCheckUtils]: 28: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,036 INFO L290 TraceCheckUtils]: 29: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume { :end_inline_sll_update_at } true; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,037 INFO L290 TraceCheckUtils]: 30: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,037 INFO L290 TraceCheckUtils]: 31: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,037 INFO L290 TraceCheckUtils]: 32: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_update_at_~index#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,038 INFO L290 TraceCheckUtils]: 33: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,050 INFO L290 TraceCheckUtils]: 34: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume { :end_inline_sll_update_at } true; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,051 INFO L290 TraceCheckUtils]: 35: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,051 INFO L290 TraceCheckUtils]: 36: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(main_~i~0#1 >= 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,051 INFO L290 TraceCheckUtils]: 37: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_~i~0#1 := main_~len~0#1 - 1; {6860#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:23,052 INFO L290 TraceCheckUtils]: 38: Hoare triple {6860#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {6861#(<= 1 |ULTIMATE.start_sll_get_data_at_~index#1|)} is VALID [2022-02-21 00:00:23,052 INFO L290 TraceCheckUtils]: 39: Hoare triple {6861#(<= 1 |ULTIMATE.start_sll_get_data_at_~index#1|)} assume !(sll_get_data_at_~index#1 > 0); {6857#false} is VALID [2022-02-21 00:00:23,052 INFO L290 TraceCheckUtils]: 40: Hoare triple {6857#false} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {6857#false} is VALID [2022-02-21 00:00:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-21 00:00:23,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:23,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745004636] [2022-02-21 00:00:23,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745004636] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:23,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16783974] [2022-02-21 00:00:23,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-21 00:00:23,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:23,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:23,065 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:23,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-21 00:00:23,155 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-21 00:00:23,155 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-21 00:00:23,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-21 00:00:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:23,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:23,338 INFO L290 TraceCheckUtils]: 0: Hoare triple {6856#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6856#true} is VALID [2022-02-21 00:00:23,339 INFO L290 TraceCheckUtils]: 1: Hoare triple {6856#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,339 INFO L290 TraceCheckUtils]: 2: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,340 INFO L290 TraceCheckUtils]: 3: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,340 INFO L290 TraceCheckUtils]: 4: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,340 INFO L290 TraceCheckUtils]: 5: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,341 INFO L290 TraceCheckUtils]: 6: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,341 INFO L290 TraceCheckUtils]: 7: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,341 INFO L290 TraceCheckUtils]: 8: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,342 INFO L290 TraceCheckUtils]: 9: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,342 INFO L290 TraceCheckUtils]: 10: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,342 INFO L290 TraceCheckUtils]: 11: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,343 INFO L290 TraceCheckUtils]: 12: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,343 INFO L290 TraceCheckUtils]: 13: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,343 INFO L290 TraceCheckUtils]: 14: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,344 INFO L290 TraceCheckUtils]: 15: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,344 INFO L290 TraceCheckUtils]: 16: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,344 INFO L290 TraceCheckUtils]: 17: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,360 INFO L290 TraceCheckUtils]: 18: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,360 INFO L290 TraceCheckUtils]: 19: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,360 INFO L290 TraceCheckUtils]: 20: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_create_~len#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,361 INFO L290 TraceCheckUtils]: 21: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,361 INFO L290 TraceCheckUtils]: 22: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,361 INFO L290 TraceCheckUtils]: 23: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,362 INFO L290 TraceCheckUtils]: 24: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(sll_update_at_~index#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,362 INFO L290 TraceCheckUtils]: 25: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,362 INFO L290 TraceCheckUtils]: 26: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,363 INFO L290 TraceCheckUtils]: 27: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_update_at_~index#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,363 INFO L290 TraceCheckUtils]: 28: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,363 INFO L290 TraceCheckUtils]: 29: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume { :end_inline_sll_update_at } true; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,364 INFO L290 TraceCheckUtils]: 30: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,365 INFO L290 TraceCheckUtils]: 31: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,365 INFO L290 TraceCheckUtils]: 32: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(sll_update_at_~index#1 > 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,365 INFO L290 TraceCheckUtils]: 33: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,366 INFO L290 TraceCheckUtils]: 34: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume { :end_inline_sll_update_at } true; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,366 INFO L290 TraceCheckUtils]: 35: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,366 INFO L290 TraceCheckUtils]: 36: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} assume !(main_~i~0#1 >= 0); {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} is VALID [2022-02-21 00:00:23,367 INFO L290 TraceCheckUtils]: 37: Hoare triple {6859#(<= 2 |ULTIMATE.start_main_~len~0#1|)} main_~i~0#1 := main_~len~0#1 - 1; {6860#(<= 1 |ULTIMATE.start_main_~i~0#1|)} is VALID [2022-02-21 00:00:23,368 INFO L290 TraceCheckUtils]: 38: Hoare triple {6860#(<= 1 |ULTIMATE.start_main_~i~0#1|)} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {6861#(<= 1 |ULTIMATE.start_sll_get_data_at_~index#1|)} is VALID [2022-02-21 00:00:23,368 INFO L290 TraceCheckUtils]: 39: Hoare triple {6861#(<= 1 |ULTIMATE.start_sll_get_data_at_~index#1|)} assume !(sll_get_data_at_~index#1 > 0); {6857#false} is VALID [2022-02-21 00:00:23,368 INFO L290 TraceCheckUtils]: 40: Hoare triple {6857#false} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {6857#false} is VALID [2022-02-21 00:00:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-02-21 00:00:23,369 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-21 00:00:23,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16783974] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:23,370 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-21 00:00:23,370 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-02-21 00:00:23,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690466287] [2022-02-21 00:00:23,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:23,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-21 00:00:23,372 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:23,372 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,394 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:23,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-21 00:00:23,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:23,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 00:00:23,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:23,396 INFO L87 Difference]: Start difference. First operand 84 states and 100 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:23,531 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2022-02-21 00:00:23,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:23,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-21 00:00:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:23,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 79 transitions. [2022-02-21 00:00:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 79 transitions. [2022-02-21 00:00:23,533 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 79 transitions. [2022-02-21 00:00:23,590 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:23,591 INFO L225 Difference]: With dead ends: 89 [2022-02-21 00:00:23,591 INFO L226 Difference]: Without dead ends: 89 [2022-02-21 00:00:23,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-02-21 00:00:23,591 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 76 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:23,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 136 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-02-21 00:00:23,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 83. [2022-02-21 00:00:23,593 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:23,593 INFO L82 GeneralOperation]: Start isEquivalent. First operand 89 states. Second operand has 83 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 82 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,593 INFO L74 IsIncluded]: Start isIncluded. First operand 89 states. Second operand has 83 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 82 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,593 INFO L87 Difference]: Start difference. First operand 89 states. Second operand has 83 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 82 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:23,594 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2022-02-21 00:00:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2022-02-21 00:00:23,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:23,594 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:23,594 INFO L74 IsIncluded]: Start isIncluded. First operand has 83 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 82 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 89 states. [2022-02-21 00:00:23,598 INFO L87 Difference]: Start difference. First operand has 83 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 82 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 89 states. [2022-02-21 00:00:23,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:23,599 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2022-02-21 00:00:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2022-02-21 00:00:23,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:23,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:23,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:23,600 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 82 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 97 transitions. [2022-02-21 00:00:23,601 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 97 transitions. Word has length 41 [2022-02-21 00:00:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:23,602 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 97 transitions. [2022-02-21 00:00:23,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 97 transitions. [2022-02-21 00:00:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-21 00:00:23,602 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:23,602 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:23,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:23,820 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,SelfDestructingSolverStorable15 [2022-02-21 00:00:23,820 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:23,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:23,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1972522204, now seen corresponding path program 1 times [2022-02-21 00:00:23,820 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:23,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533279118] [2022-02-21 00:00:23,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:23,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:23,957 INFO L290 TraceCheckUtils]: 0: Hoare triple {7340#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {7340#true} is VALID [2022-02-21 00:00:23,958 INFO L290 TraceCheckUtils]: 1: Hoare triple {7340#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7340#true} is VALID [2022-02-21 00:00:23,958 INFO L290 TraceCheckUtils]: 2: Hoare triple {7340#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7340#true} is VALID [2022-02-21 00:00:23,958 INFO L290 TraceCheckUtils]: 3: Hoare triple {7340#true} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7340#true} is VALID [2022-02-21 00:00:23,958 INFO L290 TraceCheckUtils]: 4: Hoare triple {7340#true} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7340#true} is VALID [2022-02-21 00:00:23,958 INFO L290 TraceCheckUtils]: 5: Hoare triple {7340#true} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7340#true} is VALID [2022-02-21 00:00:23,959 INFO L290 TraceCheckUtils]: 6: Hoare triple {7340#true} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7340#true} is VALID [2022-02-21 00:00:23,959 INFO L290 TraceCheckUtils]: 7: Hoare triple {7340#true} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7340#true} is VALID [2022-02-21 00:00:23,959 INFO L290 TraceCheckUtils]: 8: Hoare triple {7340#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {7340#true} is VALID [2022-02-21 00:00:23,959 INFO L290 TraceCheckUtils]: 9: Hoare triple {7340#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7340#true} is VALID [2022-02-21 00:00:23,959 INFO L290 TraceCheckUtils]: 10: Hoare triple {7340#true} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {7340#true} is VALID [2022-02-21 00:00:23,960 INFO L290 TraceCheckUtils]: 11: Hoare triple {7340#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:23,961 INFO L290 TraceCheckUtils]: 12: Hoare triple {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:23,961 INFO L290 TraceCheckUtils]: 13: Hoare triple {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:23,962 INFO L290 TraceCheckUtils]: 14: Hoare triple {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:23,963 INFO L290 TraceCheckUtils]: 15: Hoare triple {7342#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7343#(and (<= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:23,963 INFO L290 TraceCheckUtils]: 16: Hoare triple {7343#(and (<= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7344#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,964 INFO L290 TraceCheckUtils]: 17: Hoare triple {7344#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {7344#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,965 INFO L290 TraceCheckUtils]: 18: Hoare triple {7344#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:23,965 INFO L290 TraceCheckUtils]: 19: Hoare triple {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:23,966 INFO L290 TraceCheckUtils]: 20: Hoare triple {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(sll_create_~len#1 > 0); {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:23,966 INFO L290 TraceCheckUtils]: 21: Hoare triple {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {7346#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:23,967 INFO L290 TraceCheckUtils]: 22: Hoare triple {7346#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,968 INFO L290 TraceCheckUtils]: 23: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,968 INFO L290 TraceCheckUtils]: 24: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(sll_update_at_~index#1 > 0); {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,969 INFO L290 TraceCheckUtils]: 25: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,969 INFO L290 TraceCheckUtils]: 26: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,970 INFO L290 TraceCheckUtils]: 27: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,970 INFO L290 TraceCheckUtils]: 28: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,971 INFO L290 TraceCheckUtils]: 29: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,972 INFO L290 TraceCheckUtils]: 30: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,972 INFO L290 TraceCheckUtils]: 31: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,973 INFO L290 TraceCheckUtils]: 32: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,974 INFO L290 TraceCheckUtils]: 33: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,974 INFO L290 TraceCheckUtils]: 34: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,975 INFO L290 TraceCheckUtils]: 35: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,975 INFO L290 TraceCheckUtils]: 36: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(main_~i~0#1 >= 0); {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,976 INFO L290 TraceCheckUtils]: 37: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_~i~0#1 := main_~len~0#1 - 1; {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:23,976 INFO L290 TraceCheckUtils]: 38: Hoare triple {7347#(and (<= 8 (select |#length| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {7348#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:23,977 INFO L290 TraceCheckUtils]: 39: Hoare triple {7348#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} assume !!(sll_get_data_at_~index#1 > 0); {7348#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:23,978 INFO L290 TraceCheckUtils]: 40: Hoare triple {7348#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} assume !(4 + (4 + sll_get_data_at_~head#1.offset) <= #length[sll_get_data_at_~head#1.base] && 0 <= 4 + sll_get_data_at_~head#1.offset); {7341#false} is VALID [2022-02-21 00:00:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-21 00:00:23,978 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:23,978 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533279118] [2022-02-21 00:00:23,979 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533279118] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:23,979 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:23,979 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-21 00:00:23,979 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028860397] [2022-02-21 00:00:23,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:23,980 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-21 00:00:23,980 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:23,980 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,015 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:24,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-02-21 00:00:24,016 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:24,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-02-21 00:00:24,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-02-21 00:00:24,017 INFO L87 Difference]: Start difference. First operand 83 states and 97 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:24,779 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2022-02-21 00:00:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-21 00:00:24,779 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-21 00:00:24,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 94 transitions. [2022-02-21 00:00:24,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 94 transitions. [2022-02-21 00:00:24,781 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 94 transitions. [2022-02-21 00:00:24,942 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 94 edges. 94 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:24,944 INFO L225 Difference]: With dead ends: 107 [2022-02-21 00:00:24,944 INFO L226 Difference]: Without dead ends: 107 [2022-02-21 00:00:24,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2022-02-21 00:00:24,945 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 413 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:24,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [413 Valid, 80 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:24,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2022-02-21 00:00:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 83. [2022-02-21 00:00:24,947 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:24,947 INFO L82 GeneralOperation]: Start isEquivalent. First operand 107 states. Second operand has 83 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,947 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand has 83 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,947 INFO L87 Difference]: Start difference. First operand 107 states. Second operand has 83 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:24,949 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2022-02-21 00:00:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-02-21 00:00:24,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:24,949 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:24,949 INFO L74 IsIncluded]: Start isIncluded. First operand has 83 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 107 states. [2022-02-21 00:00:24,950 INFO L87 Difference]: Start difference. First operand has 83 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 107 states. [2022-02-21 00:00:24,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:24,952 INFO L93 Difference]: Finished difference Result 107 states and 119 transitions. [2022-02-21 00:00:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions. [2022-02-21 00:00:24,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:24,952 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:24,952 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:24,953 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:24,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 82 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions. [2022-02-21 00:00:24,954 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 94 transitions. Word has length 41 [2022-02-21 00:00:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:24,954 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 94 transitions. [2022-02-21 00:00:24,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:24,955 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2022-02-21 00:00:24,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-21 00:00:24,955 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:24,955 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:24,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-02-21 00:00:24,956 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:24,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:24,956 INFO L85 PathProgramCache]: Analyzing trace with hash -333530929, now seen corresponding path program 1 times [2022-02-21 00:00:24,956 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:24,957 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304767382] [2022-02-21 00:00:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:24,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:25,439 INFO L290 TraceCheckUtils]: 0: Hoare triple {7770#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {7770#true} is VALID [2022-02-21 00:00:25,439 INFO L290 TraceCheckUtils]: 1: Hoare triple {7770#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7770#true} is VALID [2022-02-21 00:00:25,440 INFO L290 TraceCheckUtils]: 2: Hoare triple {7770#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7772#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} is VALID [2022-02-21 00:00:25,440 INFO L290 TraceCheckUtils]: 3: Hoare triple {7772#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7772#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} is VALID [2022-02-21 00:00:25,441 INFO L290 TraceCheckUtils]: 4: Hoare triple {7772#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7773#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,442 INFO L290 TraceCheckUtils]: 5: Hoare triple {7773#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7773#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,442 INFO L290 TraceCheckUtils]: 6: Hoare triple {7773#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7774#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:25,442 INFO L290 TraceCheckUtils]: 7: Hoare triple {7774#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:25,443 INFO L290 TraceCheckUtils]: 8: Hoare triple {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:25,443 INFO L290 TraceCheckUtils]: 9: Hoare triple {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:25,444 INFO L290 TraceCheckUtils]: 10: Hoare triple {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:25,445 INFO L290 TraceCheckUtils]: 11: Hoare triple {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,445 INFO L290 TraceCheckUtils]: 12: Hoare triple {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,446 INFO L290 TraceCheckUtils]: 13: Hoare triple {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,446 INFO L290 TraceCheckUtils]: 14: Hoare triple {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,447 INFO L290 TraceCheckUtils]: 15: Hoare triple {7777#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7778#(and (= |ULTIMATE.start_node_create_#res#1.offset| 0) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:25,447 INFO L290 TraceCheckUtils]: 16: Hoare triple {7778#(and (= |ULTIMATE.start_node_create_#res#1.offset| 0) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7779#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,448 INFO L290 TraceCheckUtils]: 17: Hoare triple {7779#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {7780#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,449 INFO L290 TraceCheckUtils]: 18: Hoare triple {7780#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7781#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:25,449 INFO L290 TraceCheckUtils]: 19: Hoare triple {7781#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {7781#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:25,450 INFO L290 TraceCheckUtils]: 20: Hoare triple {7781#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(sll_create_~len#1 > 0); {7781#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:25,451 INFO L290 TraceCheckUtils]: 21: Hoare triple {7781#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {7782#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4) |ULTIMATE.start_sll_create_#res#1.base|)))} is VALID [2022-02-21 00:00:25,451 INFO L290 TraceCheckUtils]: 22: Hoare triple {7782#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4) |ULTIMATE.start_sll_create_#res#1.base|)))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {7783#(and (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,452 INFO L290 TraceCheckUtils]: 23: Hoare triple {7783#(and (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7784#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,452 INFO L290 TraceCheckUtils]: 24: Hoare triple {7784#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(sll_update_at_~index#1 > 0); {7784#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,453 INFO L290 TraceCheckUtils]: 25: Hoare triple {7784#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {7785#(and (not (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,454 INFO L290 TraceCheckUtils]: 26: Hoare triple {7785#(and (not (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {7786#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,454 INFO L290 TraceCheckUtils]: 27: Hoare triple {7786#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {7786#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,455 INFO L290 TraceCheckUtils]: 28: Hoare triple {7786#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,456 INFO L290 TraceCheckUtils]: 29: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,456 INFO L290 TraceCheckUtils]: 30: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,457 INFO L290 TraceCheckUtils]: 31: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7788#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,458 INFO L290 TraceCheckUtils]: 32: Hoare triple {7788#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {7788#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,459 INFO L290 TraceCheckUtils]: 33: Hoare triple {7788#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,459 INFO L290 TraceCheckUtils]: 34: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,460 INFO L290 TraceCheckUtils]: 35: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,460 INFO L290 TraceCheckUtils]: 36: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(main_~i~0#1 >= 0); {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,461 INFO L290 TraceCheckUtils]: 37: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_~i~0#1 := main_~len~0#1 - 1; {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:25,461 INFO L290 TraceCheckUtils]: 38: Hoare triple {7787#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {7789#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:25,462 INFO L290 TraceCheckUtils]: 39: Hoare triple {7789#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} assume !!(sll_get_data_at_~index#1 > 0); {7789#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:25,463 INFO L290 TraceCheckUtils]: 40: Hoare triple {7789#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {7790#(= 1 (select |#valid| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|))} is VALID [2022-02-21 00:00:25,463 INFO L290 TraceCheckUtils]: 41: Hoare triple {7790#(= 1 (select |#valid| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:25,464 INFO L290 TraceCheckUtils]: 42: Hoare triple {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(sll_get_data_at_~index#1 > 0); {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:25,464 INFO L290 TraceCheckUtils]: 43: Hoare triple {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(1 == #valid[sll_get_data_at_~head#1.base]); {7771#false} is VALID [2022-02-21 00:00:25,464 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-21 00:00:25,465 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:25,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304767382] [2022-02-21 00:00:25,465 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304767382] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:25,465 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259205446] [2022-02-21 00:00:25,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:25,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:25,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:25,466 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) [2022-02-21 00:00:25,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-02-21 00:00:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:25,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 67 conjunts are in the unsatisfiable core [2022-02-21 00:00:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:25,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:25,731 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:25,779 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:25,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:25,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:26,087 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:26,088 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 34 treesize of output 35 [2022-02-21 00:00:26,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:26,242 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 33 treesize of output 26 [2022-02-21 00:00:26,364 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 31 treesize of output 13 [2022-02-21 00:00:26,379 INFO L290 TraceCheckUtils]: 0: Hoare triple {7770#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {7770#true} is VALID [2022-02-21 00:00:26,379 INFO L290 TraceCheckUtils]: 1: Hoare triple {7770#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7770#true} is VALID [2022-02-21 00:00:26,380 INFO L290 TraceCheckUtils]: 2: Hoare triple {7770#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,380 INFO L290 TraceCheckUtils]: 3: Hoare triple {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,381 INFO L290 TraceCheckUtils]: 4: Hoare triple {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,381 INFO L290 TraceCheckUtils]: 5: Hoare triple {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,381 INFO L290 TraceCheckUtils]: 6: Hoare triple {7801#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7774#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:26,382 INFO L290 TraceCheckUtils]: 7: Hoare triple {7774#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,382 INFO L290 TraceCheckUtils]: 8: Hoare triple {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,383 INFO L290 TraceCheckUtils]: 9: Hoare triple {7775#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,383 INFO L290 TraceCheckUtils]: 10: Hoare triple {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:26,384 INFO L290 TraceCheckUtils]: 11: Hoare triple {7776#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:26,384 INFO L290 TraceCheckUtils]: 12: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:26,384 INFO L290 TraceCheckUtils]: 13: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:26,385 INFO L290 TraceCheckUtils]: 14: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:26,385 INFO L290 TraceCheckUtils]: 15: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7842#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:26,385 INFO L290 TraceCheckUtils]: 16: Hoare triple {7842#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7846#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-21 00:00:26,386 INFO L290 TraceCheckUtils]: 17: Hoare triple {7846#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {7850#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-21 00:00:26,387 INFO L290 TraceCheckUtils]: 18: Hoare triple {7850#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7854#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:26,387 INFO L290 TraceCheckUtils]: 19: Hoare triple {7854#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {7854#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:26,388 INFO L290 TraceCheckUtils]: 20: Hoare triple {7854#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} assume !(sll_create_~len#1 > 0); {7854#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:26,388 INFO L290 TraceCheckUtils]: 21: Hoare triple {7854#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {7864#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|))} is VALID [2022-02-21 00:00:26,389 INFO L290 TraceCheckUtils]: 22: Hoare triple {7864#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {7868#(not (= (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|))} is VALID [2022-02-21 00:00:26,390 INFO L290 TraceCheckUtils]: 23: Hoare triple {7868#(not (= (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|))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7872#(and (not (= (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|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:26,390 INFO L290 TraceCheckUtils]: 24: Hoare triple {7872#(and (not (= (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|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} assume !!(sll_update_at_~index#1 > 0); {7872#(and (not (= (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|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:26,391 INFO L290 TraceCheckUtils]: 25: Hoare triple {7872#(and (not (= (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|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {7879#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (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|)))} is VALID [2022-02-21 00:00:26,391 INFO L290 TraceCheckUtils]: 26: Hoare triple {7879#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (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|)))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {7883#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (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|)))} is VALID [2022-02-21 00:00:26,392 INFO L290 TraceCheckUtils]: 27: Hoare triple {7883#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (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|)))} assume !(sll_update_at_~index#1 > 0); {7883#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (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|)))} is VALID [2022-02-21 00:00:26,393 INFO L290 TraceCheckUtils]: 28: Hoare triple {7883#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (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|)))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,394 INFO L290 TraceCheckUtils]: 29: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume { :end_inline_sll_update_at } true; {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,394 INFO L290 TraceCheckUtils]: 30: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,395 INFO L290 TraceCheckUtils]: 31: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7900#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (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|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,395 INFO L290 TraceCheckUtils]: 32: Hoare triple {7900#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (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|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !(sll_update_at_~index#1 > 0); {7900#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (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|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,396 INFO L290 TraceCheckUtils]: 33: Hoare triple {7900#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (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|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,397 INFO L290 TraceCheckUtils]: 34: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume { :end_inline_sll_update_at } true; {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,397 INFO L290 TraceCheckUtils]: 35: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,398 INFO L290 TraceCheckUtils]: 36: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !(main_~i~0#1 >= 0); {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,398 INFO L290 TraceCheckUtils]: 37: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_~i~0#1 := main_~len~0#1 - 1; {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:26,399 INFO L290 TraceCheckUtils]: 38: Hoare triple {7890#(and (not (= (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|)) (= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {7922#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:26,399 INFO L290 TraceCheckUtils]: 39: Hoare triple {7922#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} assume !!(sll_get_data_at_~index#1 > 0); {7922#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:26,400 INFO L290 TraceCheckUtils]: 40: Hoare triple {7922#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {7790#(= 1 (select |#valid| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|))} is VALID [2022-02-21 00:00:26,400 INFO L290 TraceCheckUtils]: 41: Hoare triple {7790#(= 1 (select |#valid| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:26,401 INFO L290 TraceCheckUtils]: 42: Hoare triple {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(sll_get_data_at_~index#1 > 0); {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:26,401 INFO L290 TraceCheckUtils]: 43: Hoare triple {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(1 == #valid[sll_get_data_at_~head#1.base]); {7771#false} is VALID [2022-02-21 00:00:26,401 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-21 00:00:26,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:29,534 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-02-21 00:00:29,535 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:29,543 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (= |c_ULTIMATE.start_sll_update_at_~head#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_976) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))) is different from false [2022-02-21 00:00:29,560 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (= |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_976) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))) is different from false [2022-02-21 00:00:29,566 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4)))) (= .cse0 (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_976) |c_ULTIMATE.start_main_~s~0#1.base|) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))) is different from false [2022-02-21 00:00:29,577 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse1))) (= .cse0 (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_976) |c_ULTIMATE.start_main_~s~0#1.base|) .cse1))))) is different from false [2022-02-21 00:00:29,588 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse1))) (= (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_976) |c_ULTIMATE.start_sll_create_#res#1.base|) .cse1) .cse0)))) is different from false [2022-02-21 00:00:29,601 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (let ((.cse1 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1))) (= .cse0 (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_976) |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1))))) is different from false [2022-02-21 00:00:29,635 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_976 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse1))) (= (select (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_976) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse1) .cse0)))) is different from false [2022-02-21 00:00:29,652 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:29,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 23 [2022-02-21 00:00:29,661 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 36 treesize of output 24 [2022-02-21 00:00:29,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-21 00:00:29,829 INFO L290 TraceCheckUtils]: 43: Hoare triple {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(1 == #valid[sll_get_data_at_~head#1.base]); {7771#false} is VALID [2022-02-21 00:00:29,830 INFO L290 TraceCheckUtils]: 42: Hoare triple {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} assume !(sll_get_data_at_~index#1 > 0); {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:29,830 INFO L290 TraceCheckUtils]: 41: Hoare triple {7790#(= 1 (select |#valid| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {7791#(= (select |#valid| |ULTIMATE.start_sll_get_data_at_~head#1.base|) 1)} is VALID [2022-02-21 00:00:29,831 INFO L290 TraceCheckUtils]: 40: Hoare triple {7947#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1)} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {7790#(= 1 (select |#valid| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|))} is VALID [2022-02-21 00:00:29,831 INFO L290 TraceCheckUtils]: 39: Hoare triple {7947#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1)} assume !!(sll_get_data_at_~index#1 > 0); {7947#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1)} is VALID [2022-02-21 00:00:29,832 INFO L290 TraceCheckUtils]: 38: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {7947#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) 1)} is VALID [2022-02-21 00:00:29,833 INFO L290 TraceCheckUtils]: 37: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} main_~i~0#1 := main_~len~0#1 - 1; {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,833 INFO L290 TraceCheckUtils]: 36: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !(main_~i~0#1 >= 0); {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,833 INFO L290 TraceCheckUtils]: 35: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,834 INFO L290 TraceCheckUtils]: 34: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume { :end_inline_sll_update_at } true; {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,835 INFO L290 TraceCheckUtils]: 33: Hoare triple {7970#(forall ((v_ArrVal_978 Int)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_978)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,836 INFO L290 TraceCheckUtils]: 32: Hoare triple {7970#(forall ((v_ArrVal_978 Int)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_978)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !(sll_update_at_~index#1 > 0); {7970#(forall ((v_ArrVal_978 Int)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_978)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:29,836 INFO L290 TraceCheckUtils]: 31: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7970#(forall ((v_ArrVal_978 Int)) (= 1 (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_978)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:29,837 INFO L290 TraceCheckUtils]: 30: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,837 INFO L290 TraceCheckUtils]: 29: Hoare triple {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume { :end_inline_sll_update_at } true; {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,838 INFO L290 TraceCheckUtils]: 28: Hoare triple {7986#(forall ((v_ArrVal_976 (Array Int Int))) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {7954#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,839 INFO L290 TraceCheckUtils]: 27: Hoare triple {7986#(forall ((v_ArrVal_976 (Array Int Int))) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !(sll_update_at_~index#1 > 0); {7986#(forall ((v_ArrVal_976 (Array Int Int))) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,840 INFO L290 TraceCheckUtils]: 26: Hoare triple {7993#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_#t~mem10#1.base|))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {7986#(forall ((v_ArrVal_976 (Array Int Int))) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,841 INFO L290 TraceCheckUtils]: 25: Hoare triple {7997#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {7993#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_#t~mem10#1.base|))} is VALID [2022-02-21 00:00:29,841 INFO L290 TraceCheckUtils]: 24: Hoare triple {7997#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !!(sll_update_at_~index#1 > 0); {7997#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,842 INFO L290 TraceCheckUtils]: 23: Hoare triple {8004#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {7997#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,843 INFO L290 TraceCheckUtils]: 22: Hoare triple {8008#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {8004#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,844 INFO L290 TraceCheckUtils]: 21: Hoare triple {8012#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8008#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))))} is VALID [2022-02-21 00:00:29,845 INFO L290 TraceCheckUtils]: 20: Hoare triple {8012#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} assume !(sll_create_~len#1 > 0); {8012#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,846 INFO L290 TraceCheckUtils]: 19: Hoare triple {8012#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8012#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,846 INFO L290 TraceCheckUtils]: 18: Hoare triple {8022#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_976) |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8012#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_976) |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:29,847 INFO L290 TraceCheckUtils]: 17: Hoare triple {7846#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8022#(forall ((v_ArrVal_976 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_976) |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))))} is VALID [2022-02-21 00:00:29,848 INFO L290 TraceCheckUtils]: 16: Hoare triple {7842#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {7846#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-21 00:00:29,848 INFO L290 TraceCheckUtils]: 15: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {7842#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:29,849 INFO L290 TraceCheckUtils]: 14: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:29,849 INFO L290 TraceCheckUtils]: 13: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:29,849 INFO L290 TraceCheckUtils]: 12: Hoare triple {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:29,850 INFO L290 TraceCheckUtils]: 11: Hoare triple {8044#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {7829#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:29,850 INFO L290 TraceCheckUtils]: 10: Hoare triple {8044#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8044#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,851 INFO L290 TraceCheckUtils]: 9: Hoare triple {8051#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8044#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,851 INFO L290 TraceCheckUtils]: 8: Hoare triple {8051#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8051#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,852 INFO L290 TraceCheckUtils]: 7: Hoare triple {8058#(not (= 0 (select |#valid| |ULTIMATE.start_node_create_#res#1.base|)))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8051#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,852 INFO L290 TraceCheckUtils]: 6: Hoare triple {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8058#(not (= 0 (select |#valid| |ULTIMATE.start_node_create_#res#1.base|)))} is VALID [2022-02-21 00:00:29,852 INFO L290 TraceCheckUtils]: 5: Hoare triple {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,853 INFO L290 TraceCheckUtils]: 4: Hoare triple {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,853 INFO L290 TraceCheckUtils]: 3: Hoare triple {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,854 INFO L290 TraceCheckUtils]: 2: Hoare triple {7770#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8062#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:29,854 INFO L290 TraceCheckUtils]: 1: Hoare triple {7770#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7770#true} is VALID [2022-02-21 00:00:29,854 INFO L290 TraceCheckUtils]: 0: Hoare triple {7770#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {7770#true} is VALID [2022-02-21 00:00:29,855 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 9 not checked. [2022-02-21 00:00:29,855 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259205446] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:29,855 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:29,855 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 49 [2022-02-21 00:00:29,855 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985939409] [2022-02-21 00:00:29,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:29,856 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-21 00:00:29,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:29,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:29,958 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:29,958 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-02-21 00:00:29,958 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:29,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-02-21 00:00:29,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1690, Unknown=7, NotChecked=616, Total=2450 [2022-02-21 00:00:29,960 INFO L87 Difference]: Start difference. First operand 83 states and 94 transitions. Second operand has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:33,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:33,993 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2022-02-21 00:00:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-21 00:00:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-21 00:00:33,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:33,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 130 transitions. [2022-02-21 00:00:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 130 transitions. [2022-02-21 00:00:33,995 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states and 130 transitions. [2022-02-21 00:00:34,113 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 130 edges. 130 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:34,114 INFO L225 Difference]: With dead ends: 136 [2022-02-21 00:00:34,114 INFO L226 Difference]: Without dead ends: 136 [2022-02-21 00:00:34,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 72 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=617, Invalid=3826, Unknown=7, NotChecked=952, Total=5402 [2022-02-21 00:00:34,115 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 557 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 2045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 750 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:34,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [557 Valid, 1054 Invalid, 2045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1248 Invalid, 0 Unknown, 750 Unchecked, 1.2s Time] [2022-02-21 00:00:34,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-02-21 00:00:34,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 91. [2022-02-21 00:00:34,117 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:34,117 INFO L82 GeneralOperation]: Start isEquivalent. First operand 136 states. Second operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 90 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:34,117 INFO L74 IsIncluded]: Start isIncluded. First operand 136 states. Second operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 90 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:34,117 INFO L87 Difference]: Start difference. First operand 136 states. Second operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 90 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:34,118 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2022-02-21 00:00:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2022-02-21 00:00:34,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:34,119 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:34,119 INFO L74 IsIncluded]: Start isIncluded. First operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 90 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 136 states. [2022-02-21 00:00:34,120 INFO L87 Difference]: Start difference. First operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 90 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 136 states. [2022-02-21 00:00:34,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:34,121 INFO L93 Difference]: Finished difference Result 136 states and 152 transitions. [2022-02-21 00:00:34,122 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 152 transitions. [2022-02-21 00:00:34,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:34,122 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:34,122 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:34,122 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:34,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 80 states have (on average 1.35) internal successors, (108), 90 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:34,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 108 transitions. [2022-02-21 00:00:34,123 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 108 transitions. Word has length 44 [2022-02-21 00:00:34,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:34,123 INFO L470 AbstractCegarLoop]: Abstraction has 91 states and 108 transitions. [2022-02-21 00:00:34,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 2.183673469387755) internal successors, (107), 50 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2022-02-21 00:00:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-21 00:00:34,124 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:34,124 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:34,141 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:34,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-02-21 00:00:34,335 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:34,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:34,336 INFO L85 PathProgramCache]: Analyzing trace with hash -333530928, now seen corresponding path program 1 times [2022-02-21 00:00:34,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:34,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593491542] [2022-02-21 00:00:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:34,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:34,840 INFO L290 TraceCheckUtils]: 0: Hoare triple {8628#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {8628#true} is VALID [2022-02-21 00:00:34,841 INFO L290 TraceCheckUtils]: 1: Hoare triple {8628#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8628#true} is VALID [2022-02-21 00:00:34,841 INFO L290 TraceCheckUtils]: 2: Hoare triple {8628#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8630#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:34,842 INFO L290 TraceCheckUtils]: 3: Hoare triple {8630#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8630#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:34,842 INFO L290 TraceCheckUtils]: 4: Hoare triple {8630#(and (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8631#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:34,843 INFO L290 TraceCheckUtils]: 5: Hoare triple {8631#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8631#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} is VALID [2022-02-21 00:00:34,843 INFO L290 TraceCheckUtils]: 6: Hoare triple {8631#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_node_create_~temp~0#1.base|)))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8632#(and (<= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0) (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1))} is VALID [2022-02-21 00:00:34,843 INFO L290 TraceCheckUtils]: 7: Hoare triple {8632#(and (<= 8 (select |#length| |ULTIMATE.start_node_create_#res#1.base|)) (= |ULTIMATE.start_node_create_#res#1.offset| 0) (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8633#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-21 00:00:34,844 INFO L290 TraceCheckUtils]: 8: Hoare triple {8633#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8633#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-21 00:00:34,844 INFO L290 TraceCheckUtils]: 9: Hoare triple {8633#(and (<= 8 (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8634#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,845 INFO L290 TraceCheckUtils]: 10: Hoare triple {8634#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8634#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,846 INFO L290 TraceCheckUtils]: 11: Hoare triple {8634#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,847 INFO L290 TraceCheckUtils]: 12: Hoare triple {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,847 INFO L290 TraceCheckUtils]: 13: Hoare triple {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,848 INFO L290 TraceCheckUtils]: 14: Hoare triple {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,848 INFO L290 TraceCheckUtils]: 15: Hoare triple {8635#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8636#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_node_create_#res#1.offset| 0) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,848 INFO L290 TraceCheckUtils]: 16: Hoare triple {8636#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_node_create_#res#1.offset| 0) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8637#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~head~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,849 INFO L290 TraceCheckUtils]: 17: Hoare triple {8637#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~head~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8638#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0))} is VALID [2022-02-21 00:00:34,850 INFO L290 TraceCheckUtils]: 18: Hoare triple {8638#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8639#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,850 INFO L290 TraceCheckUtils]: 19: Hoare triple {8639#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8639#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,850 INFO L290 TraceCheckUtils]: 20: Hoare triple {8639#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(sll_create_~len#1 > 0); {8639#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:34,851 INFO L290 TraceCheckUtils]: 21: Hoare triple {8639#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8640#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4) |ULTIMATE.start_sll_create_#res#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 4) 0))} is VALID [2022-02-21 00:00:34,851 INFO L290 TraceCheckUtils]: 22: Hoare triple {8640#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4) |ULTIMATE.start_sll_create_#res#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 4) 0))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {8641#(and (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,852 INFO L290 TraceCheckUtils]: 23: Hoare triple {8641#(and (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {8642#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,852 INFO L290 TraceCheckUtils]: 24: Hoare triple {8642#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(sll_update_at_~index#1 > 0); {8642#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,853 INFO L290 TraceCheckUtils]: 25: Hoare triple {8642#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) 0) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {8643#(and (<= 8 (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (not (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,853 INFO L290 TraceCheckUtils]: 26: Hoare triple {8643#(and (<= 8 (select |#length| |ULTIMATE.start_sll_update_at_#t~mem10#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (not (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {8644#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,854 INFO L290 TraceCheckUtils]: 27: Hoare triple {8644#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {8644#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,855 INFO L290 TraceCheckUtils]: 28: Hoare triple {8644#(and (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| |ULTIMATE.start_sll_update_at_~head#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,855 INFO L290 TraceCheckUtils]: 29: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,856 INFO L290 TraceCheckUtils]: 30: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,857 INFO L290 TraceCheckUtils]: 31: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {8646#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4) 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,857 INFO L290 TraceCheckUtils]: 32: Hoare triple {8646#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4) 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {8646#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4) 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,858 INFO L290 TraceCheckUtils]: 33: Hoare triple {8646#(and (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4) 0) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,858 INFO L290 TraceCheckUtils]: 34: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,858 INFO L290 TraceCheckUtils]: 35: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,859 INFO L290 TraceCheckUtils]: 36: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(main_~i~0#1 >= 0); {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,859 INFO L290 TraceCheckUtils]: 37: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_~i~0#1 := main_~len~0#1 - 1; {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:34,860 INFO L290 TraceCheckUtils]: 38: Hoare triple {8645#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {8647#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} is VALID [2022-02-21 00:00:34,860 INFO L290 TraceCheckUtils]: 39: Hoare triple {8647#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} assume !!(sll_get_data_at_~index#1 > 0); {8647#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} is VALID [2022-02-21 00:00:34,860 INFO L290 TraceCheckUtils]: 40: Hoare triple {8647#(and (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 0) (<= 8 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {8648#(and (= |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|)))} is VALID [2022-02-21 00:00:34,861 INFO L290 TraceCheckUtils]: 41: Hoare triple {8648#(and (= |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset| 0) (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|)))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {8649#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:34,861 INFO L290 TraceCheckUtils]: 42: Hoare triple {8649#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} assume !(sll_get_data_at_~index#1 > 0); {8649#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:34,861 INFO L290 TraceCheckUtils]: 43: Hoare triple {8649#(and (<= 8 (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {8629#false} is VALID [2022-02-21 00:00:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-21 00:00:34,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:34,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593491542] [2022-02-21 00:00:34,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593491542] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:34,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385484250] [2022-02-21 00:00:34,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:34,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:34,864 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:34,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-02-21 00:00:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:34,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 82 conjunts are in the unsatisfiable core [2022-02-21 00:00:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:35,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:35,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:35,220 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:35,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:35,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:35,399 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:35,733 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:35,733 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 53 [2022-02-21 00:00:35,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2022-02-21 00:00:35,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:35,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 33 [2022-02-21 00:00:35,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:35,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 34 [2022-02-21 00:00:36,199 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 39 treesize of output 21 [2022-02-21 00:00:36,227 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 32 treesize of output 14 [2022-02-21 00:00:36,319 INFO L290 TraceCheckUtils]: 0: Hoare triple {8628#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {8628#true} is VALID [2022-02-21 00:00:36,319 INFO L290 TraceCheckUtils]: 1: Hoare triple {8628#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8628#true} is VALID [2022-02-21 00:00:36,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {8628#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} is VALID [2022-02-21 00:00:36,320 INFO L290 TraceCheckUtils]: 3: Hoare triple {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} is VALID [2022-02-21 00:00:36,321 INFO L290 TraceCheckUtils]: 4: Hoare triple {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} is VALID [2022-02-21 00:00:36,321 INFO L290 TraceCheckUtils]: 5: Hoare triple {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} is VALID [2022-02-21 00:00:36,322 INFO L290 TraceCheckUtils]: 6: Hoare triple {8659#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8672#(and (<= 0 |ULTIMATE.start_node_create_#res#1.offset|) (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1))} is VALID [2022-02-21 00:00:36,322 INFO L290 TraceCheckUtils]: 7: Hoare triple {8672#(and (<= 0 |ULTIMATE.start_node_create_#res#1.offset|) (= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8676#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-21 00:00:36,322 INFO L290 TraceCheckUtils]: 8: Hoare triple {8676#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8676#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-21 00:00:36,323 INFO L290 TraceCheckUtils]: 9: Hoare triple {8676#(and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8683#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,323 INFO L290 TraceCheckUtils]: 10: Hoare triple {8683#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8683#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,324 INFO L290 TraceCheckUtils]: 11: Hoare triple {8683#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,324 INFO L290 TraceCheckUtils]: 12: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,325 INFO L290 TraceCheckUtils]: 13: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,325 INFO L290 TraceCheckUtils]: 14: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,326 INFO L290 TraceCheckUtils]: 15: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8703#(and (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,326 INFO L290 TraceCheckUtils]: 16: Hoare triple {8703#(and (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8707#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,327 INFO L290 TraceCheckUtils]: 17: Hoare triple {8707#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8711#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} is VALID [2022-02-21 00:00:36,327 INFO L290 TraceCheckUtils]: 18: Hoare triple {8711#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8715#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,328 INFO L290 TraceCheckUtils]: 19: Hoare triple {8715#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8715#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,328 INFO L290 TraceCheckUtils]: 20: Hoare triple {8715#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} assume !(sll_create_~len#1 > 0); {8715#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,328 INFO L290 TraceCheckUtils]: 21: Hoare triple {8715#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8725#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|)))} is VALID [2022-02-21 00:00:36,329 INFO L290 TraceCheckUtils]: 22: Hoare triple {8725#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|)))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {8729#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:36,330 INFO L290 TraceCheckUtils]: 23: Hoare triple {8729#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {8733#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:36,330 INFO L290 TraceCheckUtils]: 24: Hoare triple {8733#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} assume !!(sll_update_at_~index#1 > 0); {8733#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:36,332 INFO L290 TraceCheckUtils]: 25: Hoare triple {8733#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {8740#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:36,333 INFO L290 TraceCheckUtils]: 26: Hoare triple {8740#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {8744#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|))} is VALID [2022-02-21 00:00:36,334 INFO L290 TraceCheckUtils]: 27: Hoare triple {8744#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|))} assume !(sll_update_at_~index#1 > 0); {8744#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|))} is VALID [2022-02-21 00:00:36,335 INFO L290 TraceCheckUtils]: 28: Hoare triple {8744#(and (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,335 INFO L290 TraceCheckUtils]: 29: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume { :end_inline_sll_update_at } true; {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,336 INFO L290 TraceCheckUtils]: 30: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,336 INFO L290 TraceCheckUtils]: 31: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {8761#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,337 INFO L290 TraceCheckUtils]: 32: Hoare triple {8761#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !(sll_update_at_~index#1 > 0); {8761#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,340 INFO L290 TraceCheckUtils]: 33: Hoare triple {8761#(and (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,341 INFO L290 TraceCheckUtils]: 34: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume { :end_inline_sll_update_at } true; {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,341 INFO L290 TraceCheckUtils]: 35: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,342 INFO L290 TraceCheckUtils]: 36: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !(main_~i~0#1 >= 0); {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,342 INFO L290 TraceCheckUtils]: 37: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_~i~0#1 := main_~len~0#1 - 1; {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:36,355 INFO L290 TraceCheckUtils]: 38: Hoare triple {8751#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {8783#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} is VALID [2022-02-21 00:00:36,364 INFO L290 TraceCheckUtils]: 39: Hoare triple {8783#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} assume !!(sll_get_data_at_~index#1 > 0); {8783#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} is VALID [2022-02-21 00:00:36,365 INFO L290 TraceCheckUtils]: 40: Hoare triple {8783#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {8790#(and (<= 0 |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) (<= (+ |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|)))} is VALID [2022-02-21 00:00:36,366 INFO L290 TraceCheckUtils]: 41: Hoare triple {8790#(and (<= 0 |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) (<= (+ |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|)))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} is VALID [2022-02-21 00:00:36,366 INFO L290 TraceCheckUtils]: 42: Hoare triple {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} assume !(sll_get_data_at_~index#1 > 0); {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} is VALID [2022-02-21 00:00:36,366 INFO L290 TraceCheckUtils]: 43: Hoare triple {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {8629#false} is VALID [2022-02-21 00:00:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-21 00:00:36,367 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:38,796 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse0) 4) (select |c_#length| (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse0))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))))) is different from false [2022-02-21 00:00:39,214 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:39,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 60 [2022-02-21 00:00:39,522 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1089) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_sll_update_at_~head#1.base|)) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_sll_update_at_~head#1.offset|))))) is different from false [2022-02-21 00:00:40,044 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1089) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_sll_update_at_#t~mem10#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))))) is different from false [2022-02-21 00:00:40,373 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4)))) (= .cse0 (select (store (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1089) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (let ((.cse1 (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) .cse1) v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base|) .cse1)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4)) v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))))) is different from false [2022-02-21 00:00:40,859 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse1))) (= .cse0 (select (store (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1089) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse1))))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse2) v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) .cse2) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) .cse2)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (let ((.cse3 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse3) v_ArrVal_1088) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse3))))))) is different from false [2022-02-21 00:00:41,079 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse1))) (= (select (store (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1089) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse1) .cse0)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (let ((.cse2 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse2) v_ArrVal_1088) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse2)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse3) v_ArrVal_1088) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) .cse3) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse3))))))) is different from false [2022-02-21 00:00:41,265 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (let ((.cse0 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) v_ArrVal_1088) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse0)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (let ((.cse1 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1) v_ArrVal_1088) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) .cse1) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (let ((.cse3 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse3))) (= .cse2 (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1089) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse3)))))))) is different from false [2022-02-21 00:00:41,753 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (let ((.cse0 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse0) v_ArrVal_1088) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse0)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (let ((.cse2 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse2))) (= .cse1 (select (store (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_1089) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse2))))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (<= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse3) v_ArrVal_1088) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) .cse3) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse3))))))) is different from false [2022-02-21 00:00:41,859 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:41,859 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 67 [2022-02-21 00:00:41,898 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 101 treesize of output 95 [2022-02-21 00:00:41,925 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:41,936 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 89 treesize of output 77 [2022-02-21 00:00:41,978 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:41,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 77 [2022-02-21 00:00:42,007 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 94 treesize of output 90 [2022-02-21 00:00:42,028 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:42,033 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 87 treesize of output 79 [2022-02-21 00:00:42,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:42,110 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 51 treesize of output 47 [2022-02-21 00:00:42,137 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:42,141 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 44 treesize of output 40 [2022-02-21 00:00:42,166 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:42,170 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 37 treesize of output 33 [2022-02-21 00:00:42,895 INFO L290 TraceCheckUtils]: 43: Hoare triple {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} assume !(4 + sll_get_data_at_~head#1.offset <= #length[sll_get_data_at_~head#1.base] && 0 <= sll_get_data_at_~head#1.offset); {8629#false} is VALID [2022-02-21 00:00:42,918 INFO L290 TraceCheckUtils]: 42: Hoare triple {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} assume !(sll_get_data_at_~index#1 > 0); {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} is VALID [2022-02-21 00:00:42,919 INFO L290 TraceCheckUtils]: 41: Hoare triple {8790#(and (<= 0 |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) (<= (+ |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|)))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {8794#(and (<= (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_~head#1.base|)) (<= 0 |ULTIMATE.start_sll_get_data_at_~head#1.offset|))} is VALID [2022-02-21 00:00:42,919 INFO L290 TraceCheckUtils]: 40: Hoare triple {8810#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {8790#(and (<= 0 |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) (<= (+ |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset| 4) (select |#length| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|)))} is VALID [2022-02-21 00:00:42,919 INFO L290 TraceCheckUtils]: 39: Hoare triple {8810#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} assume !!(sll_get_data_at_~index#1 > 0); {8810#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} is VALID [2022-02-21 00:00:42,920 INFO L290 TraceCheckUtils]: 38: Hoare triple {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {8810#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))))} is VALID [2022-02-21 00:00:42,920 INFO L290 TraceCheckUtils]: 37: Hoare triple {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_~i~0#1 := main_~len~0#1 - 1; {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:42,921 INFO L290 TraceCheckUtils]: 36: Hoare triple {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !(main_~i~0#1 >= 0); {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:42,921 INFO L290 TraceCheckUtils]: 35: Hoare triple {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:42,922 INFO L290 TraceCheckUtils]: 34: Hoare triple {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume { :end_inline_sll_update_at } true; {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:42,923 INFO L290 TraceCheckUtils]: 33: Hoare triple {8833#(and (forall ((v_ArrVal_1093 Int)) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1091)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {8817#(and (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:42,923 INFO L290 TraceCheckUtils]: 32: Hoare triple {8833#(and (forall ((v_ArrVal_1093 Int)) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1091)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))))} assume !(sll_update_at_~index#1 > 0); {8833#(and (forall ((v_ArrVal_1093 Int)) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1091)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))))} is VALID [2022-02-21 00:00:42,927 INFO L290 TraceCheckUtils]: 31: Hoare triple {8840#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {8833#(and (forall ((v_ArrVal_1093 Int)) (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1093)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1091)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))))} is VALID [2022-02-21 00:00:42,928 INFO L290 TraceCheckUtils]: 30: Hoare triple {8840#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {8840#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is VALID [2022-02-21 00:00:42,929 INFO L290 TraceCheckUtils]: 29: Hoare triple {8840#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} assume { :end_inline_sll_update_at } true; {8840#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is VALID [2022-02-21 00:00:42,934 WARN L290 TraceCheckUtils]: 28: Hoare triple {8850#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {8840#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (<= (+ (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) 4) (select |#length| (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is UNKNOWN [2022-02-21 00:00:42,938 INFO L290 TraceCheckUtils]: 27: Hoare triple {8850#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} assume !(sll_update_at_~index#1 > 0); {8850#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is VALID [2022-02-21 00:00:42,942 WARN L290 TraceCheckUtils]: 26: Hoare triple {8857#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {8850#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is UNKNOWN [2022-02-21 00:00:42,949 INFO L290 TraceCheckUtils]: 25: Hoare triple {8861#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {8857#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_#t~mem10#1.offset|)) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is VALID [2022-02-21 00:00:42,953 WARN L290 TraceCheckUtils]: 24: Hoare triple {8861#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} assume !!(sll_update_at_~index#1 > 0); {8861#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,956 WARN L290 TraceCheckUtils]: 23: Hoare triple {8868#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {8861#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,960 WARN L290 TraceCheckUtils]: 22: Hoare triple {8872#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {8868#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,964 WARN L290 TraceCheckUtils]: 21: Hoare triple {8876#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8872#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,969 WARN L290 TraceCheckUtils]: 20: Hoare triple {8876#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))))} assume !(sll_create_~len#1 > 0); {8876#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,973 WARN L290 TraceCheckUtils]: 19: Hoare triple {8876#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8876#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,978 WARN L290 TraceCheckUtils]: 18: Hoare triple {8886#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))))) (< |ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8876#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:42,979 INFO L290 TraceCheckUtils]: 17: Hoare triple {8707#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8886#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (and (forall ((v_ArrVal_1088 (Array Int Int)) (v_ArrVal_1093 Int)) (<= 0 (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (forall ((v_prenex_2 Int) (v_ArrVal_1088 (Array Int Int))) (<= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1088) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_prenex_2) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (forall ((v_ArrVal_1089 (Array Int Int)) (v_ArrVal_1091 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1089) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))))) (< |ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|)))} is VALID [2022-02-21 00:00:42,980 INFO L290 TraceCheckUtils]: 16: Hoare triple {8703#(and (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8707#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:42,980 INFO L290 TraceCheckUtils]: 15: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8703#(and (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:42,980 INFO L290 TraceCheckUtils]: 14: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:42,981 INFO L290 TraceCheckUtils]: 13: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:42,981 INFO L290 TraceCheckUtils]: 12: Hoare triple {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:42,982 INFO L290 TraceCheckUtils]: 11: Hoare triple {8908#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8690#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:42,983 INFO L290 TraceCheckUtils]: 10: Hoare triple {8908#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {8908#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} is VALID [2022-02-21 00:00:42,983 INFO L290 TraceCheckUtils]: 9: Hoare triple {8915#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8908#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} is VALID [2022-02-21 00:00:42,984 INFO L290 TraceCheckUtils]: 8: Hoare triple {8915#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {8915#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} is VALID [2022-02-21 00:00:42,985 INFO L290 TraceCheckUtils]: 7: Hoare triple {8922#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (<= 0 |ULTIMATE.start_node_create_#res#1.offset|) (not (= |ULTIMATE.start_node_create_#res#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|))) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {8915#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_node_create_~temp~0#1.base_23| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} is VALID [2022-02-21 00:00:42,985 INFO L290 TraceCheckUtils]: 6: Hoare triple {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {8922#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (and (<= 0 |ULTIMATE.start_node_create_#res#1.offset|) (not (= |ULTIMATE.start_node_create_#res#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|))) (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0))))} is VALID [2022-02-21 00:00:42,986 INFO L290 TraceCheckUtils]: 5: Hoare triple {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} is VALID [2022-02-21 00:00:42,986 INFO L290 TraceCheckUtils]: 4: Hoare triple {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} is VALID [2022-02-21 00:00:42,987 INFO L290 TraceCheckUtils]: 3: Hoare triple {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} is VALID [2022-02-21 00:00:42,988 INFO L290 TraceCheckUtils]: 2: Hoare triple {8628#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {8926#(forall ((|v_ULTIMATE.start_node_create_~temp~0#1.base_23| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|) 0)) (and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |v_ULTIMATE.start_node_create_~temp~0#1.base_23|)) (<= 0 |ULTIMATE.start_node_create_~temp~0#1.offset|))))} is VALID [2022-02-21 00:00:42,988 INFO L290 TraceCheckUtils]: 1: Hoare triple {8628#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8628#true} is VALID [2022-02-21 00:00:42,988 INFO L290 TraceCheckUtils]: 0: Hoare triple {8628#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {8628#true} is VALID [2022-02-21 00:00:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 12 not checked. [2022-02-21 00:00:42,988 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385484250] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:42,988 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:42,988 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 21] total 55 [2022-02-21 00:00:42,988 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232235940] [2022-02-21 00:00:42,989 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:42,989 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-21 00:00:42,989 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:42,989 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:43,126 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 108 inductive. 0 not inductive. 8 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:43,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2022-02-21 00:00:43,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:43,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2022-02-21 00:00:43,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=2108, Unknown=8, NotChecked=792, Total=3080 [2022-02-21 00:00:43,128 INFO L87 Difference]: Start difference. First operand 91 states and 108 transitions. Second operand has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:46,422 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|)) (.cse6 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) (.cse5 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|))) (let ((.cse0 (select .cse5 4)) (.cse2 (select .cse1 .cse6)) (.cse3 (select .cse5 .cse6))) (and (not (= |c_ULTIMATE.start_main_~s~0#1.base| .cse0)) (<= 8 (select |c_#length| .cse0)) (= |c_ULTIMATE.start_main_~s~0#1.offset| (select .cse1 4)) (<= 0 .cse2) (= |c_ULTIMATE.start_main_~s~0#1.offset| 0) (<= .cse2 |c_ULTIMATE.start_sll_update_at_~head#1.offset|) (not (= |c_ULTIMATE.start_main_~s~0#1.base| .cse3)) (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (let ((.cse4 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse4) 4) (select |c_#length| (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))))) (= |c_ULTIMATE.start_sll_update_at_~head#1.base| .cse3)))) is different from false [2022-02-21 00:00:47,031 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|)) (.cse3 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|)) (.cse5 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (let ((.cse0 (select .cse3 .cse5)) (.cse1 (select .cse2 .cse5))) (and (<= (+ 4 .cse0) (select |c_#length| .cse1)) (<= 8 (select |c_#length| (select .cse2 4))) (= (select .cse3 4) 0) (<= 0 .cse0) (= |c_ULTIMATE.start_main_~s~0#1.offset| 0) (not (= |c_ULTIMATE.start_main_~s~0#1.base| .cse1)) (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_22| Int)) (or (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_22|) (and (forall ((v_ArrVal_1091 Int) (v_ArrVal_1093 Int)) (let ((.cse4 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (<= (+ (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) .cse4) 4) (select |c_#length| (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1091) .cse4))))) (forall ((v_ArrVal_1093 Int)) (<= 0 (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_22| v_ArrVal_1093) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))))))))) is different from false [2022-02-21 00:00:49,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:49,302 INFO L93 Difference]: Finished difference Result 151 states and 167 transitions. [2022-02-21 00:00:49,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-02-21 00:00:49,302 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-02-21 00:00:49,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:49,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 140 transitions. [2022-02-21 00:00:49,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 140 transitions. [2022-02-21 00:00:49,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 140 transitions. [2022-02-21 00:00:49,466 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 140 edges. 139 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:49,467 INFO L225 Difference]: With dead ends: 151 [2022-02-21 00:00:49,468 INFO L226 Difference]: Without dead ends: 151 [2022-02-21 00:00:49,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 54 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 980 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=598, Invalid=4262, Unknown=10, NotChecked=1450, Total=6320 [2022-02-21 00:00:49,469 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 647 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 1415 SdHoareTripleChecker+Invalid, 2331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1235 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:49,469 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [647 Valid, 1415 Invalid, 2331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1057 Invalid, 0 Unknown, 1235 Unchecked, 1.1s Time] [2022-02-21 00:00:49,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-02-21 00:00:49,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 90. [2022-02-21 00:00:49,471 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:49,471 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand has 90 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,471 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand has 90 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,471 INFO L87 Difference]: Start difference. First operand 151 states. Second operand has 90 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:49,473 INFO L93 Difference]: Finished difference Result 151 states and 167 transitions. [2022-02-21 00:00:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2022-02-21 00:00:49,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:49,473 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:49,473 INFO L74 IsIncluded]: Start isIncluded. First operand has 90 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 151 states. [2022-02-21 00:00:49,473 INFO L87 Difference]: Start difference. First operand has 90 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 151 states. [2022-02-21 00:00:49,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:49,475 INFO L93 Difference]: Finished difference Result 151 states and 167 transitions. [2022-02-21 00:00:49,475 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2022-02-21 00:00:49,475 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:49,475 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:49,476 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:49,476 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:49,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 89 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2022-02-21 00:00:49,478 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 44 [2022-02-21 00:00:49,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:49,478 INFO L470 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2022-02-21 00:00:49,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 55 states have (on average 2.109090909090909) internal successors, (116), 56 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2022-02-21 00:00:49,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-21 00:00:49,479 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:49,479 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:49,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:49,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:49,680 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:49,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:49,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1958848316, now seen corresponding path program 2 times [2022-02-21 00:00:49,680 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:49,680 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268657125] [2022-02-21 00:00:49,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:49,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:49,744 INFO L290 TraceCheckUtils]: 0: Hoare triple {9540#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {9540#true} is VALID [2022-02-21 00:00:49,744 INFO L290 TraceCheckUtils]: 1: Hoare triple {9540#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,745 INFO L290 TraceCheckUtils]: 2: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,745 INFO L290 TraceCheckUtils]: 3: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,746 INFO L290 TraceCheckUtils]: 4: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,747 INFO L290 TraceCheckUtils]: 5: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,747 INFO L290 TraceCheckUtils]: 6: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,748 INFO L290 TraceCheckUtils]: 7: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,748 INFO L290 TraceCheckUtils]: 8: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,749 INFO L290 TraceCheckUtils]: 9: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} is VALID [2022-02-21 00:00:49,749 INFO L290 TraceCheckUtils]: 10: Hoare triple {9542#(and (= (+ (- 2) |ULTIMATE.start_sll_create_~len#1|) 0) (= (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_create_~len#1|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,749 INFO L290 TraceCheckUtils]: 11: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,750 INFO L290 TraceCheckUtils]: 12: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,750 INFO L290 TraceCheckUtils]: 13: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,750 INFO L290 TraceCheckUtils]: 14: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,751 INFO L290 TraceCheckUtils]: 15: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,751 INFO L290 TraceCheckUtils]: 16: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,751 INFO L290 TraceCheckUtils]: 17: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,752 INFO L290 TraceCheckUtils]: 18: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,752 INFO L290 TraceCheckUtils]: 19: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,752 INFO L290 TraceCheckUtils]: 20: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,752 INFO L290 TraceCheckUtils]: 21: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,753 INFO L290 TraceCheckUtils]: 22: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,753 INFO L290 TraceCheckUtils]: 23: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,753 INFO L290 TraceCheckUtils]: 24: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_update_at_~index#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,754 INFO L290 TraceCheckUtils]: 25: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,754 INFO L290 TraceCheckUtils]: 26: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,754 INFO L290 TraceCheckUtils]: 27: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_update_at_~index#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,755 INFO L290 TraceCheckUtils]: 28: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,755 INFO L290 TraceCheckUtils]: 29: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume { :end_inline_sll_update_at } true; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,755 INFO L290 TraceCheckUtils]: 30: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,756 INFO L290 TraceCheckUtils]: 31: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,756 INFO L290 TraceCheckUtils]: 32: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_update_at_~index#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,756 INFO L290 TraceCheckUtils]: 33: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,757 INFO L290 TraceCheckUtils]: 34: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume { :end_inline_sll_update_at } true; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,757 INFO L290 TraceCheckUtils]: 35: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,757 INFO L290 TraceCheckUtils]: 36: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(main_~i~0#1 >= 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:49,758 INFO L290 TraceCheckUtils]: 37: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_~i~0#1 := main_~len~0#1 - 1; {9544#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:49,758 INFO L290 TraceCheckUtils]: 38: Hoare triple {9544#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} is VALID [2022-02-21 00:00:49,758 INFO L290 TraceCheckUtils]: 39: Hoare triple {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} assume !!(sll_get_data_at_~index#1 > 0); {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} is VALID [2022-02-21 00:00:49,759 INFO L290 TraceCheckUtils]: 40: Hoare triple {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} is VALID [2022-02-21 00:00:49,759 INFO L290 TraceCheckUtils]: 41: Hoare triple {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {9546#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 0)} is VALID [2022-02-21 00:00:49,759 INFO L290 TraceCheckUtils]: 42: Hoare triple {9546#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 0)} assume !!(sll_get_data_at_~index#1 > 0); {9541#false} is VALID [2022-02-21 00:00:49,760 INFO L290 TraceCheckUtils]: 43: Hoare triple {9541#false} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {9541#false} is VALID [2022-02-21 00:00:49,760 INFO L290 TraceCheckUtils]: 44: Hoare triple {9541#false} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {9541#false} is VALID [2022-02-21 00:00:49,760 INFO L290 TraceCheckUtils]: 45: Hoare triple {9541#false} assume !(sll_get_data_at_~index#1 > 0); {9541#false} is VALID [2022-02-21 00:00:49,760 INFO L290 TraceCheckUtils]: 46: Hoare triple {9541#false} assume !(1 == #valid[sll_get_data_at_~head#1.base]); {9541#false} is VALID [2022-02-21 00:00:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-02-21 00:00:49,760 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:49,760 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268657125] [2022-02-21 00:00:49,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268657125] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:49,761 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114176851] [2022-02-21 00:00:49,761 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-21 00:00:49,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:49,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:49,762 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:49,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-02-21 00:00:49,895 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-21 00:00:49,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-21 00:00:49,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-21 00:00:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:49,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:50,098 INFO L290 TraceCheckUtils]: 0: Hoare triple {9540#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {9540#true} is VALID [2022-02-21 00:00:50,099 INFO L290 TraceCheckUtils]: 1: Hoare triple {9540#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,099 INFO L290 TraceCheckUtils]: 2: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,099 INFO L290 TraceCheckUtils]: 3: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,100 INFO L290 TraceCheckUtils]: 4: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,100 INFO L290 TraceCheckUtils]: 5: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,100 INFO L290 TraceCheckUtils]: 6: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,101 INFO L290 TraceCheckUtils]: 7: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,101 INFO L290 TraceCheckUtils]: 8: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,101 INFO L290 TraceCheckUtils]: 9: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,102 INFO L290 TraceCheckUtils]: 10: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,102 INFO L290 TraceCheckUtils]: 11: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,102 INFO L290 TraceCheckUtils]: 12: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,103 INFO L290 TraceCheckUtils]: 13: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,104 INFO L290 TraceCheckUtils]: 14: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,104 INFO L290 TraceCheckUtils]: 15: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,104 INFO L290 TraceCheckUtils]: 16: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,105 INFO L290 TraceCheckUtils]: 17: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,105 INFO L290 TraceCheckUtils]: 18: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,105 INFO L290 TraceCheckUtils]: 19: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,106 INFO L290 TraceCheckUtils]: 20: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_create_~len#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,106 INFO L290 TraceCheckUtils]: 21: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,106 INFO L290 TraceCheckUtils]: 22: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,107 INFO L290 TraceCheckUtils]: 23: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,107 INFO L290 TraceCheckUtils]: 24: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(sll_update_at_~index#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,107 INFO L290 TraceCheckUtils]: 25: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,108 INFO L290 TraceCheckUtils]: 26: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,108 INFO L290 TraceCheckUtils]: 27: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_update_at_~index#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,108 INFO L290 TraceCheckUtils]: 28: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,108 INFO L290 TraceCheckUtils]: 29: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume { :end_inline_sll_update_at } true; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,109 INFO L290 TraceCheckUtils]: 30: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,109 INFO L290 TraceCheckUtils]: 31: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,109 INFO L290 TraceCheckUtils]: 32: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(sll_update_at_~index#1 > 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,110 INFO L290 TraceCheckUtils]: 33: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,110 INFO L290 TraceCheckUtils]: 34: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume { :end_inline_sll_update_at } true; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,110 INFO L290 TraceCheckUtils]: 35: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,111 INFO L290 TraceCheckUtils]: 36: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} assume !(main_~i~0#1 >= 0); {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} is VALID [2022-02-21 00:00:50,111 INFO L290 TraceCheckUtils]: 37: Hoare triple {9543#(<= |ULTIMATE.start_main_~len~0#1| 2)} main_~i~0#1 := main_~len~0#1 - 1; {9544#(<= |ULTIMATE.start_main_~i~0#1| 1)} is VALID [2022-02-21 00:00:50,112 INFO L290 TraceCheckUtils]: 38: Hoare triple {9544#(<= |ULTIMATE.start_main_~i~0#1| 1)} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} is VALID [2022-02-21 00:00:50,112 INFO L290 TraceCheckUtils]: 39: Hoare triple {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} assume !!(sll_get_data_at_~index#1 > 0); {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} is VALID [2022-02-21 00:00:50,112 INFO L290 TraceCheckUtils]: 40: Hoare triple {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} is VALID [2022-02-21 00:00:50,113 INFO L290 TraceCheckUtils]: 41: Hoare triple {9545#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 1)} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {9546#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 0)} is VALID [2022-02-21 00:00:50,113 INFO L290 TraceCheckUtils]: 42: Hoare triple {9546#(<= |ULTIMATE.start_sll_get_data_at_~index#1| 0)} assume !!(sll_get_data_at_~index#1 > 0); {9541#false} is VALID [2022-02-21 00:00:50,113 INFO L290 TraceCheckUtils]: 43: Hoare triple {9541#false} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {9541#false} is VALID [2022-02-21 00:00:50,113 INFO L290 TraceCheckUtils]: 44: Hoare triple {9541#false} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {9541#false} is VALID [2022-02-21 00:00:50,113 INFO L290 TraceCheckUtils]: 45: Hoare triple {9541#false} assume !(sll_get_data_at_~index#1 > 0); {9541#false} is VALID [2022-02-21 00:00:50,114 INFO L290 TraceCheckUtils]: 46: Hoare triple {9541#false} assume !(1 == #valid[sll_get_data_at_~head#1.base]); {9541#false} is VALID [2022-02-21 00:00:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-02-21 00:00:50,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-21 00:00:50,114 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114176851] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:50,114 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-21 00:00:50,114 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 7 [2022-02-21 00:00:50,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004628605] [2022-02-21 00:00:50,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:50,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-02-21 00:00:50,115 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:50,115 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,140 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:50,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:50,140 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:50,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:50,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:50,141 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:50,252 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-21 00:00:50,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:50,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-02-21 00:00:50,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 55 transitions. [2022-02-21 00:00:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 55 transitions. [2022-02-21 00:00:50,254 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 55 transitions. [2022-02-21 00:00:50,292 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:50,293 INFO L225 Difference]: With dead ends: 76 [2022-02-21 00:00:50,293 INFO L226 Difference]: Without dead ends: 76 [2022-02-21 00:00:50,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-02-21 00:00:50,294 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 109 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:50,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 74 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:50,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-21 00:00:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-02-21 00:00:50,295 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:50,295 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,295 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,295 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:50,296 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-21 00:00:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-21 00:00:50,296 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:50,296 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:50,296 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-21 00:00:50,298 INFO L87 Difference]: Start difference. First operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-21 00:00:50,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:50,299 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-21 00:00:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-21 00:00:50,299 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:50,299 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:50,299 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:50,299 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:50,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 69 states have (on average 1.173913043478261) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2022-02-21 00:00:50,302 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 47 [2022-02-21 00:00:50,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:50,302 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2022-02-21 00:00:50,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:50,302 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-21 00:00:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-02-21 00:00:50,303 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:50,303 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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, 1, 1] [2022-02-21 00:00:50,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:50,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:50,515 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 17 more)] === [2022-02-21 00:00:50,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:50,516 INFO L85 PathProgramCache]: Analyzing trace with hash -645325999, now seen corresponding path program 1 times [2022-02-21 00:00:50,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:50,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134044715] [2022-02-21 00:00:50,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:50,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:51,294 INFO L290 TraceCheckUtils]: 0: Hoare triple {9997#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {9997#true} is VALID [2022-02-21 00:00:51,294 INFO L290 TraceCheckUtils]: 1: Hoare triple {9997#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {9997#true} is VALID [2022-02-21 00:00:51,295 INFO L290 TraceCheckUtils]: 2: Hoare triple {9997#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {9999#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} is VALID [2022-02-21 00:00:51,295 INFO L290 TraceCheckUtils]: 3: Hoare triple {9999#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {9999#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} is VALID [2022-02-21 00:00:51,296 INFO L290 TraceCheckUtils]: 4: Hoare triple {9999#(= |ULTIMATE.start_node_create_~temp~0#1.offset| 0)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {10000#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,296 INFO L290 TraceCheckUtils]: 5: Hoare triple {10000#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {10000#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,297 INFO L290 TraceCheckUtils]: 6: Hoare triple {10000#(and (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {10001#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:51,297 INFO L290 TraceCheckUtils]: 7: Hoare triple {10001#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:51,297 INFO L290 TraceCheckUtils]: 8: Hoare triple {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:51,298 INFO L290 TraceCheckUtils]: 9: Hoare triple {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:51,298 INFO L290 TraceCheckUtils]: 10: Hoare triple {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:51,299 INFO L290 TraceCheckUtils]: 11: Hoare triple {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,299 INFO L290 TraceCheckUtils]: 12: Hoare triple {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,300 INFO L290 TraceCheckUtils]: 13: Hoare triple {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,300 INFO L290 TraceCheckUtils]: 14: Hoare triple {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,301 INFO L290 TraceCheckUtils]: 15: Hoare triple {10004#(and (not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_node_create_~temp~0#1.offset| 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {10005#(and (= |ULTIMATE.start_node_create_#res#1.offset| 0) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:51,301 INFO L290 TraceCheckUtils]: 16: Hoare triple {10005#(and (= |ULTIMATE.start_node_create_#res#1.offset| 0) (not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {10006#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,302 INFO L290 TraceCheckUtils]: 17: Hoare triple {10006#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {10007#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,302 INFO L290 TraceCheckUtils]: 18: Hoare triple {10007#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {10008#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:51,303 INFO L290 TraceCheckUtils]: 19: Hoare triple {10008#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {10008#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:51,303 INFO L290 TraceCheckUtils]: 20: Hoare triple {10008#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(sll_create_~len#1 > 0); {10008#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:51,304 INFO L290 TraceCheckUtils]: 21: Hoare triple {10008#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {10009#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4) |ULTIMATE.start_sll_create_#res#1.base|)))} is VALID [2022-02-21 00:00:51,304 INFO L290 TraceCheckUtils]: 22: Hoare triple {10009#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 4) |ULTIMATE.start_sll_create_#res#1.base|)))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {10010#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,305 INFO L290 TraceCheckUtils]: 23: Hoare triple {10010#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {10011#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,305 INFO L290 TraceCheckUtils]: 24: Hoare triple {10011#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(sll_update_at_~index#1 > 0); {10011#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,306 INFO L290 TraceCheckUtils]: 25: Hoare triple {10011#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| 0) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {10012#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (not (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,307 INFO L290 TraceCheckUtils]: 26: Hoare triple {10012#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (not (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {10013#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,307 INFO L290 TraceCheckUtils]: 27: Hoare triple {10013#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {10013#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,308 INFO L290 TraceCheckUtils]: 28: Hoare triple {10013#(and (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= |ULTIMATE.start_sll_update_at_~data#1| (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {10014#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,309 INFO L290 TraceCheckUtils]: 29: Hoare triple {10014#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {10014#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,310 INFO L290 TraceCheckUtils]: 30: Hoare triple {10014#(and (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {10015#(and (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,310 INFO L290 TraceCheckUtils]: 31: Hoare triple {10015#(and (not (= |ULTIMATE.start_main_~s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4))) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {10016#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1)) (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,311 INFO L290 TraceCheckUtils]: 32: Hoare triple {10016#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1)) (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(sll_update_at_~index#1 > 0); {10016#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1)) (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,312 INFO L290 TraceCheckUtils]: 33: Hoare triple {10016#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1)) (not (= 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|) (not (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4))) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,312 INFO L290 TraceCheckUtils]: 34: Hoare triple {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume { :end_inline_sll_update_at } true; {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,313 INFO L290 TraceCheckUtils]: 35: Hoare triple {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,313 INFO L290 TraceCheckUtils]: 36: Hoare triple {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !(main_~i~0#1 >= 0); {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,314 INFO L290 TraceCheckUtils]: 37: Hoare triple {10017#(and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1)) (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} main_~i~0#1 := main_~len~0#1 - 1; {10018#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} is VALID [2022-02-21 00:00:51,315 INFO L290 TraceCheckUtils]: 38: Hoare triple {10018#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4)) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) 4))) (= |ULTIMATE.start_main_~s~0#1.offset| 0))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {10019#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:51,316 INFO L290 TraceCheckUtils]: 39: Hoare triple {10019#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} assume !!(sll_get_data_at_~index#1 > 0); {10019#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} is VALID [2022-02-21 00:00:51,317 INFO L290 TraceCheckUtils]: 40: Hoare triple {10019#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= |ULTIMATE.start_sll_get_data_at_~head#1.offset| 0))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {10020#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} is VALID [2022-02-21 00:00:51,317 INFO L290 TraceCheckUtils]: 41: Hoare triple {10020#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} is VALID [2022-02-21 00:00:51,318 INFO L290 TraceCheckUtils]: 42: Hoare triple {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} assume !(sll_get_data_at_~index#1 > 0); {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} is VALID [2022-02-21 00:00:51,319 INFO L290 TraceCheckUtils]: 43: Hoare triple {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} SUMMARY for call sll_get_data_at_#t~mem9#1 := read~int(sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, 4); srcloc: L600-3 {10022#(and (<= |ULTIMATE.start_sll_get_data_at_#t~mem9#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#t~mem9#1|))} is VALID [2022-02-21 00:00:51,319 INFO L290 TraceCheckUtils]: 44: Hoare triple {10022#(and (<= |ULTIMATE.start_sll_get_data_at_#t~mem9#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#t~mem9#1|))} sll_get_data_at_#res#1 := sll_get_data_at_#t~mem9#1;havoc sll_get_data_at_#t~mem9#1; {10023#(and (<= |ULTIMATE.start_sll_get_data_at_#res#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#res#1|))} is VALID [2022-02-21 00:00:51,320 INFO L290 TraceCheckUtils]: 45: Hoare triple {10023#(and (<= |ULTIMATE.start_sll_get_data_at_#res#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#res#1|))} main_#t~ret15#1 := sll_get_data_at_#res#1;assume { :end_inline_sll_get_data_at } true;assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647; {10024#(and (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_main_#t~ret15#1|) (< |ULTIMATE.start_main_#t~ret15#1| (+ |ULTIMATE.start_main_~expected~0#1| 1)))} is VALID [2022-02-21 00:00:51,321 INFO L290 TraceCheckUtils]: 46: Hoare triple {10024#(and (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_main_#t~ret15#1|) (< |ULTIMATE.start_main_#t~ret15#1| (+ |ULTIMATE.start_main_~expected~0#1| 1)))} assume main_~expected~0#1 != main_#t~ret15#1;havoc main_#t~ret15#1; {9998#false} is VALID [2022-02-21 00:00:51,321 INFO L290 TraceCheckUtils]: 47: Hoare triple {9998#false} assume !false; {9998#false} is VALID [2022-02-21 00:00:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:51,321 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:51,321 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134044715] [2022-02-21 00:00:51,322 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134044715] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:51,322 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245216288] [2022-02-21 00:00:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:51,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:51,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:51,323 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:51,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-02-21 00:00:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:51,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 100 conjunts are in the unsatisfiable core [2022-02-21 00:00:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:51,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:51,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:51,567 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:51,567 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:51,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:51,682 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 6 treesize of output 5 [2022-02-21 00:00:52,045 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:52,045 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 68 treesize of output 65 [2022-02-21 00:00:52,049 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 33 treesize of output 23 [2022-02-21 00:00:52,052 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 36 treesize of output 38 [2022-02-21 00:00:52,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:52,348 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 38 [2022-02-21 00:00:52,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-21 00:00:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:52,399 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 35 treesize of output 34 [2022-02-21 00:00:52,689 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 50 treesize of output 32 [2022-02-21 00:00:52,717 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 34 treesize of output 22 [2022-02-21 00:00:52,863 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 26 treesize of output 18 [2022-02-21 00:00:53,257 INFO L290 TraceCheckUtils]: 0: Hoare triple {9997#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {9997#true} is VALID [2022-02-21 00:00:53,257 INFO L290 TraceCheckUtils]: 1: Hoare triple {9997#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {9997#true} is VALID [2022-02-21 00:00:53,258 INFO L290 TraceCheckUtils]: 2: Hoare triple {9997#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,258 INFO L290 TraceCheckUtils]: 3: Hoare triple {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,258 INFO L290 TraceCheckUtils]: 4: Hoare triple {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,258 INFO L290 TraceCheckUtils]: 5: Hoare triple {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,259 INFO L290 TraceCheckUtils]: 6: Hoare triple {10034#(= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 1)} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {10001#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:53,259 INFO L290 TraceCheckUtils]: 7: Hoare triple {10001#(= (select |#valid| |ULTIMATE.start_node_create_#res#1.base|) 1)} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,260 INFO L290 TraceCheckUtils]: 8: Hoare triple {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,260 INFO L290 TraceCheckUtils]: 9: Hoare triple {10002#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,260 INFO L290 TraceCheckUtils]: 10: Hoare triple {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:53,262 INFO L290 TraceCheckUtils]: 11: Hoare triple {10003#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:53,263 INFO L290 TraceCheckUtils]: 12: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:53,263 INFO L290 TraceCheckUtils]: 13: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:53,263 INFO L290 TraceCheckUtils]: 14: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:53,264 INFO L290 TraceCheckUtils]: 15: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {10075#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:53,264 INFO L290 TraceCheckUtils]: 16: Hoare triple {10075#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {10079#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-21 00:00:53,265 INFO L290 TraceCheckUtils]: 17: Hoare triple {10079#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {10083#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-21 00:00:53,265 INFO L290 TraceCheckUtils]: 18: Hoare triple {10083#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {10087#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:53,266 INFO L290 TraceCheckUtils]: 19: Hoare triple {10087#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {10087#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:53,266 INFO L290 TraceCheckUtils]: 20: Hoare triple {10087#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} assume !(sll_create_~len#1 > 0); {10087#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:53,266 INFO L290 TraceCheckUtils]: 21: Hoare triple {10087#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {10097#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|))} is VALID [2022-02-21 00:00:53,267 INFO L290 TraceCheckUtils]: 22: Hoare triple {10097#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {10101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_main_~i~0#1|))} is VALID [2022-02-21 00:00:53,268 INFO L290 TraceCheckUtils]: 23: Hoare triple {10101#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_main_~i~0#1|))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {10105#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:53,268 INFO L290 TraceCheckUtils]: 24: Hoare triple {10105#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} assume !!(sll_update_at_~index#1 > 0); {10105#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:53,269 INFO L290 TraceCheckUtils]: 25: Hoare triple {10105#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_main_~s~0#1.offset| |ULTIMATE.start_sll_update_at_~head#1.offset|) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {10112#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:53,269 INFO L290 TraceCheckUtils]: 26: Hoare triple {10112#(and (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {10116#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:53,270 INFO L290 TraceCheckUtils]: 27: Hoare triple {10116#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} assume !(sll_update_at_~index#1 > 0); {10116#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} is VALID [2022-02-21 00:00:53,271 INFO L290 TraceCheckUtils]: 28: Hoare triple {10116#(and (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_sll_update_at_~data#1|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,271 INFO L290 TraceCheckUtils]: 29: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} assume { :end_inline_sll_update_at } true; {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,272 INFO L290 TraceCheckUtils]: 30: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,272 INFO L290 TraceCheckUtils]: 31: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {10133#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:53,273 INFO L290 TraceCheckUtils]: 32: Hoare triple {10133#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} assume !(sll_update_at_~index#1 > 0); {10133#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} is VALID [2022-02-21 00:00:53,274 INFO L290 TraceCheckUtils]: 33: Hoare triple {10133#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (<= |ULTIMATE.start_sll_update_at_~head#1.offset| |ULTIMATE.start_main_~s~0#1.offset|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= |ULTIMATE.start_sll_update_at_~head#1.base| |ULTIMATE.start_main_~s~0#1.base|))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,275 INFO L290 TraceCheckUtils]: 34: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} assume { :end_inline_sll_update_at } true; {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,275 INFO L290 TraceCheckUtils]: 35: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,276 INFO L290 TraceCheckUtils]: 36: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} assume !(main_~i~0#1 >= 0); {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} is VALID [2022-02-21 00:00:53,276 INFO L290 TraceCheckUtils]: 37: Hoare triple {10123#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))} main_~i~0#1 := main_~len~0#1 - 1; {10152#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_main_~i~0#1|))} is VALID [2022-02-21 00:00:53,277 INFO L290 TraceCheckUtils]: 38: Hoare triple {10152#(and (= (+ (- 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)) (= (+ (- 1) |ULTIMATE.start_main_~len~0#1|) |ULTIMATE.start_main_~i~0#1|))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {10156#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} is VALID [2022-02-21 00:00:53,278 INFO L290 TraceCheckUtils]: 39: Hoare triple {10156#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} assume !!(sll_get_data_at_~index#1 > 0); {10156#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} is VALID [2022-02-21 00:00:53,278 INFO L290 TraceCheckUtils]: 40: Hoare triple {10156#(and (not (= |ULTIMATE.start_sll_get_data_at_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {10163#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|)) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} is VALID [2022-02-21 00:00:53,279 INFO L290 TraceCheckUtils]: 41: Hoare triple {10163#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|)) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {10167#(and (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)))} is VALID [2022-02-21 00:00:53,279 INFO L290 TraceCheckUtils]: 42: Hoare triple {10167#(and (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)))} assume !(sll_get_data_at_~index#1 > 0); {10167#(and (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)))} is VALID [2022-02-21 00:00:53,280 INFO L290 TraceCheckUtils]: 43: Hoare triple {10167#(and (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0) (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)))} SUMMARY for call sll_get_data_at_#t~mem9#1 := read~int(sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, 4); srcloc: L600-3 {10174#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) |ULTIMATE.start_sll_get_data_at_#t~mem9#1|) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} is VALID [2022-02-21 00:00:53,280 INFO L290 TraceCheckUtils]: 44: Hoare triple {10174#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) |ULTIMATE.start_sll_get_data_at_#t~mem9#1|) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} sll_get_data_at_#res#1 := sll_get_data_at_#t~mem9#1;havoc sll_get_data_at_#t~mem9#1; {10178#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) |ULTIMATE.start_sll_get_data_at_#res#1|) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} is VALID [2022-02-21 00:00:53,281 INFO L290 TraceCheckUtils]: 45: Hoare triple {10178#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) |ULTIMATE.start_sll_get_data_at_#res#1|) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} main_#t~ret15#1 := sll_get_data_at_#res#1;assume { :end_inline_sll_get_data_at } true;assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647; {10182#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) |ULTIMATE.start_main_#t~ret15#1|) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} is VALID [2022-02-21 00:00:53,282 INFO L290 TraceCheckUtils]: 46: Hoare triple {10182#(and (= (+ (- 1) (* 2 |ULTIMATE.start_main_~expected~0#1|) (* (- 2) (div (+ (- 1) |ULTIMATE.start_main_~expected~0#1|) 2))) |ULTIMATE.start_main_#t~ret15#1|) (= (mod (+ |ULTIMATE.start_main_~expected~0#1| 1) 2) 0))} assume main_~expected~0#1 != main_#t~ret15#1;havoc main_#t~ret15#1; {9998#false} is VALID [2022-02-21 00:00:53,282 INFO L290 TraceCheckUtils]: 47: Hoare triple {9998#false} assume !false; {9998#false} is VALID [2022-02-21 00:00:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-21 00:00:53,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:53,740 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) |c_ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base|) |c_ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |c_ULTIMATE.start_main_~s~0#1.base|) .cse0))) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |c_ULTIMATE.start_main_~len~0#1| 2) (+ (let ((.cse1 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) |c_ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |c_ULTIMATE.start_main_~s~0#1.base|) .cse1)) (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base|) |c_ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |c_ULTIMATE.start_main_~s~0#1.base|) .cse1))) 1)))) is different from false [2022-02-21 00:00:54,049 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |c_ULTIMATE.start_main_~len~0#1| 2) (+ (let ((.cse0 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse0)) (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse0))) 1))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (let ((.cse1 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1)) (select (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse1))) 1) (* |c_ULTIMATE.start_main_~len~0#1| 2)))) (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:54,712 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:54,713 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 93 treesize of output 86 [2022-02-21 00:00:54,783 INFO L356 Elim1Store]: treesize reduction 90, result has 30.8 percent of original size [2022-02-21 00:00:54,784 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 190 treesize of output 169 [2022-02-21 00:00:54,828 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 125 treesize of output 111 [2022-02-21 00:00:54,844 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 111 treesize of output 97 [2022-02-21 00:00:55,229 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (let ((.cse1 (* |c_ULTIMATE.start_main_~len~0#1| 2)) (.cse0 (+ |c_ULTIMATE.start_sll_update_at_~data#1| 1))) (and (<= .cse0 .cse1) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_main_~s~0#1.base|))) (<= .cse1 .cse0) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_sll_update_at_~head#1.base|)) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= |c_ULTIMATE.start_sll_update_at_~head#1.offset| (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1308) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))))) (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:55,848 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (let ((.cse1 (* |c_ULTIMATE.start_main_~len~0#1| 2)) (.cse0 (+ |c_ULTIMATE.start_sll_update_at_~data#1| 1))) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_main_~s~0#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))) (<= .cse0 .cse1) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1308) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_sll_update_at_#t~mem10#1.offset|)) (<= .cse1 .cse0) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (store (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)))))) (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:56,184 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (let ((.cse1 (* |c_ULTIMATE.start_main_~len~0#1| 2)) (.cse0 (+ |c_ULTIMATE.start_sll_update_at_~data#1| 1))) (and (<= .cse0 .cse1) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4)))) (= .cse2 (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_update_at_~head#1.base|) .cse3) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) .cse3) v_ArrVal_1308) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_update_at_~head#1.base|) (+ |c_ULTIMATE.start_sll_update_at_~head#1.offset| 4)) v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4)) |c_ULTIMATE.start_main_~s~0#1.base|))) (<= .cse1 .cse0))) (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:56,841 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (let ((.cse0 (+ |c_ULTIMATE.start_main_~i~0#1| 1))) (and (<= .cse0 |c_ULTIMATE.start_main_~len~0#1|) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse2 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse2))) (= .cse1 (select (store (select (store |c_#memory_$Pointer$.base| .cse1 v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse2))))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse3) v_ArrVal_1308) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse3) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~s~0#1.base|) .cse3)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_main_~s~0#1.base| (let ((.cse4 (+ |c_ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~s~0#1.base|) .cse4) v_ArrVal_1306) |c_ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse4))))) (<= |c_ULTIMATE.start_main_~len~0#1| .cse0))) (< |c_ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:57,006 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse0) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse0) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse0)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse1) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1)) |c_ULTIMATE.start_sll_create_#res#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse3 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse3))) (= (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse3) .cse2))))) (< |c_ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:57,216 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse0 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse0)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_sll_create_~head~0#1.base| (let ((.cse1 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse3 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse3))) (= .cse2 (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse3)))))) (< |c_ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:57,872 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse1))) (= .cse0 (select (store (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (let ((.cse2 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse2) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse2))))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse3) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse3) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse3))))) (< |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) is different from false [2022-02-21 00:00:57,997 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:57,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 81 [2022-02-21 00:00:58,017 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 115 treesize of output 109 [2022-02-21 00:00:58,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:58,037 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 103 treesize of output 91 [2022-02-21 00:00:58,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:58,055 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 76 treesize of output 72 [2022-02-21 00:00:58,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:58,101 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 44 treesize of output 40 [2022-02-21 00:00:58,118 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:58,121 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 37 treesize of output 33 [2022-02-21 00:00:58,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:58,146 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 30 treesize of output 26 [2022-02-21 00:00:58,313 INFO L290 TraceCheckUtils]: 47: Hoare triple {9998#false} assume !false; {9998#false} is VALID [2022-02-21 00:00:58,314 INFO L290 TraceCheckUtils]: 46: Hoare triple {10024#(and (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_main_#t~ret15#1|) (< |ULTIMATE.start_main_#t~ret15#1| (+ |ULTIMATE.start_main_~expected~0#1| 1)))} assume main_~expected~0#1 != main_#t~ret15#1;havoc main_#t~ret15#1; {9998#false} is VALID [2022-02-21 00:00:58,314 INFO L290 TraceCheckUtils]: 45: Hoare triple {10023#(and (<= |ULTIMATE.start_sll_get_data_at_#res#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#res#1|))} main_#t~ret15#1 := sll_get_data_at_#res#1;assume { :end_inline_sll_get_data_at } true;assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647; {10024#(and (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_main_#t~ret15#1|) (< |ULTIMATE.start_main_#t~ret15#1| (+ |ULTIMATE.start_main_~expected~0#1| 1)))} is VALID [2022-02-21 00:00:58,315 INFO L290 TraceCheckUtils]: 44: Hoare triple {10022#(and (<= |ULTIMATE.start_sll_get_data_at_#t~mem9#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#t~mem9#1|))} sll_get_data_at_#res#1 := sll_get_data_at_#t~mem9#1;havoc sll_get_data_at_#t~mem9#1; {10023#(and (<= |ULTIMATE.start_sll_get_data_at_#res#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#res#1|))} is VALID [2022-02-21 00:00:58,315 INFO L290 TraceCheckUtils]: 43: Hoare triple {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} SUMMARY for call sll_get_data_at_#t~mem9#1 := read~int(sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, 4); srcloc: L600-3 {10022#(and (<= |ULTIMATE.start_sll_get_data_at_#t~mem9#1| |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| |ULTIMATE.start_sll_get_data_at_#t~mem9#1|))} is VALID [2022-02-21 00:00:58,316 INFO L290 TraceCheckUtils]: 42: Hoare triple {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} assume !(sll_get_data_at_~index#1 > 0); {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} is VALID [2022-02-21 00:00:58,316 INFO L290 TraceCheckUtils]: 41: Hoare triple {10020#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset;sll_get_data_at_#t~post8#1 := sll_get_data_at_~index#1;sll_get_data_at_~index#1 := sll_get_data_at_#t~post8#1 - 1;havoc sll_get_data_at_#t~post8#1; {10021#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_~head#1.base|) |ULTIMATE.start_sll_get_data_at_~head#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} is VALID [2022-02-21 00:00:58,317 INFO L290 TraceCheckUtils]: 40: Hoare triple {10210#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} SUMMARY for call sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset := read~$Pointer$(sll_get_data_at_~head#1.base, 4 + sll_get_data_at_~head#1.offset, 4); srcloc: L601 {10020#(and (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|)) (<= (select (select |#memory_int| |ULTIMATE.start_sll_get_data_at_#t~mem7#1.base|) |ULTIMATE.start_sll_get_data_at_#t~mem7#1.offset|) |ULTIMATE.start_main_~expected~0#1|))} is VALID [2022-02-21 00:00:58,318 INFO L290 TraceCheckUtils]: 39: Hoare triple {10210#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} assume !!(sll_get_data_at_~index#1 > 0); {10210#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} is VALID [2022-02-21 00:00:58,318 INFO L290 TraceCheckUtils]: 38: Hoare triple {10217#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} assume !!(main_~i~0#1 >= 0);main_~expected~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_get_data_at } true;sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset, sll_get_data_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;havoc sll_get_data_at_#res#1;havoc sll_get_data_at_#t~mem7#1.base, sll_get_data_at_#t~mem7#1.offset, sll_get_data_at_#t~post8#1, sll_get_data_at_#t~mem9#1, sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset, sll_get_data_at_~index#1;sll_get_data_at_~head#1.base, sll_get_data_at_~head#1.offset := sll_get_data_at_#in~head#1.base, sll_get_data_at_#in~head#1.offset;sll_get_data_at_~index#1 := sll_get_data_at_#in~index#1; {10210#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) |ULTIMATE.start_main_~expected~0#1|) (<= |ULTIMATE.start_main_~expected~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_get_data_at_~head#1.base|) (+ |ULTIMATE.start_sll_get_data_at_~head#1.offset| 4)))))} is VALID [2022-02-21 00:00:58,319 INFO L290 TraceCheckUtils]: 37: Hoare triple {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} main_~i~0#1 := main_~len~0#1 - 1; {10217#(and (<= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|)) (<= (+ |ULTIMATE.start_main_~len~0#1| |ULTIMATE.start_main_~i~0#1|) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:58,319 INFO L290 TraceCheckUtils]: 36: Hoare triple {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} assume !(main_~i~0#1 >= 0); {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} is VALID [2022-02-21 00:00:58,320 INFO L290 TraceCheckUtils]: 35: Hoare triple {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} is VALID [2022-02-21 00:00:58,320 INFO L290 TraceCheckUtils]: 34: Hoare triple {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} assume { :end_inline_sll_update_at } true; {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} is VALID [2022-02-21 00:00:58,322 INFO L290 TraceCheckUtils]: 33: Hoare triple {10234#(and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {10221#(and (<= (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))} is VALID [2022-02-21 00:00:58,323 INFO L290 TraceCheckUtils]: 32: Hoare triple {10234#(and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))))} assume !(sll_update_at_~index#1 > 0); {10234#(and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))))} is VALID [2022-02-21 00:00:58,325 INFO L290 TraceCheckUtils]: 31: Hoare triple {10241#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {10234#(and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1312) (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1310)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) |ULTIMATE.start_sll_update_at_~head#1.offset| v_ArrVal_1313)) |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))))} is VALID [2022-02-21 00:00:58,327 INFO L290 TraceCheckUtils]: 30: Hoare triple {10241#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} main_#t~post13#1 := main_~i~0#1;main_~i~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; {10241#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is VALID [2022-02-21 00:00:58,329 INFO L290 TraceCheckUtils]: 29: Hoare triple {10241#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} assume { :end_inline_sll_update_at } true; {10241#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is VALID [2022-02-21 00:00:58,335 INFO L290 TraceCheckUtils]: 28: Hoare triple {10251#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)))))} SUMMARY for call write~int(sll_update_at_~data#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, 4); srcloc: L607-3 {10241#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1) (* |ULTIMATE.start_main_~len~0#1| 2))) (forall ((v_ArrVal_1310 Int) (v_ArrVal_1312 (Array Int Int)) (v_ArrVal_1313 Int)) (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ (select (select (store |#memory_int| |ULTIMATE.start_main_~s~0#1.base| v_ArrVal_1312) (select (store (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) (select (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))) 1)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is VALID [2022-02-21 00:00:58,338 INFO L290 TraceCheckUtils]: 27: Hoare triple {10251#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)))))} assume !(sll_update_at_~index#1 > 0); {10251#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)))))} is VALID [2022-02-21 00:00:58,344 INFO L290 TraceCheckUtils]: 26: Hoare triple {10258#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|))) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset;sll_update_at_#t~post11#1 := sll_update_at_~index#1;sll_update_at_~index#1 := sll_update_at_#t~post11#1 - 1;havoc sll_update_at_#t~post11#1; {10251#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |ULTIMATE.start_main_~s~0#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |ULTIMATE.start_sll_update_at_~head#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base| v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_sll_update_at_~head#1.offset|)) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)))))} is VALID [2022-02-21 00:00:58,348 WARN L290 TraceCheckUtils]: 25: Hoare triple {10262#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} SUMMARY for call sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset := read~$Pointer$(sll_update_at_~head#1.base, 4 + sll_update_at_~head#1.offset, 4); srcloc: L608 {10258#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|))) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.offset| (select (store (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= |ULTIMATE.start_sll_update_at_#t~mem10#1.base| (select (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_#t~mem10#1.base| v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} is UNKNOWN [2022-02-21 00:00:58,352 INFO L290 TraceCheckUtils]: 24: Hoare triple {10262#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} assume !!(sll_update_at_~index#1 > 0); {10262#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is VALID [2022-02-21 00:00:58,355 WARN L290 TraceCheckUtils]: 23: Hoare triple {10269#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|))) (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} assume !!(main_~i~0#1 >= 0);main_~new_data~0#1 := main_~i~0#1 + main_~len~0#1;assume { :begin_inline_sll_update_at } true;sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset, sll_update_at_#in~data#1, sll_update_at_#in~index#1 := main_~s~0#1.base, main_~s~0#1.offset, main_~new_data~0#1, main_~i~0#1;havoc sll_update_at_#t~mem10#1.base, sll_update_at_#t~mem10#1.offset, sll_update_at_#t~post11#1, sll_update_at_~head#1.base, sll_update_at_~head#1.offset, sll_update_at_~data#1, sll_update_at_~index#1;sll_update_at_~head#1.base, sll_update_at_~head#1.offset := sll_update_at_#in~head#1.base, sll_update_at_#in~head#1.offset;sll_update_at_~data#1 := sll_update_at_#in~data#1;sll_update_at_~index#1 := sll_update_at_#in~index#1; {10262#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (<= (* |ULTIMATE.start_main_~len~0#1| 2) (+ |ULTIMATE.start_sll_update_at_~data#1| 1)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)))) (<= (+ |ULTIMATE.start_sll_update_at_~data#1| 1) (* |ULTIMATE.start_main_~len~0#1| 2)) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_update_at_~head#1.base|) (+ 4 |ULTIMATE.start_sll_update_at_~head#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|)))) (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is UNKNOWN [2022-02-21 00:00:58,359 INFO L290 TraceCheckUtils]: 22: Hoare triple {10273#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))))} main_#t~ret12#1.base, main_#t~ret12#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;main_~s~0#1.base, main_~s~0#1.offset := main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset;havoc main_~i~0#1;main_~i~0#1 := main_~len~0#1 - 1; {10269#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_main_~s~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) |ULTIMATE.start_main_~s~0#1.base|))) (<= |ULTIMATE.start_main_~len~0#1| (+ |ULTIMATE.start_main_~i~0#1| 1)) (<= (+ |ULTIMATE.start_main_~i~0#1| 1) |ULTIMATE.start_main_~len~0#1|) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_main_~s~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~s~0#1.base|) (+ |ULTIMATE.start_main_~s~0#1.offset| 4)))))))} is VALID [2022-02-21 00:00:58,362 INFO L290 TraceCheckUtils]: 21: Hoare triple {10277#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) |ULTIMATE.start_sll_create_~head~0#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))) (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {10273#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) |ULTIMATE.start_sll_create_#res#1.base|))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_#res#1.offset| 4)))))))} is VALID [2022-02-21 00:00:58,365 WARN L290 TraceCheckUtils]: 20: Hoare triple {10277#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) |ULTIMATE.start_sll_create_~head~0#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))) (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} assume !(sll_create_~len#1 > 0); {10277#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) |ULTIMATE.start_sll_create_~head~0#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))) (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is UNKNOWN [2022-02-21 00:00:58,368 INFO L290 TraceCheckUtils]: 19: Hoare triple {10277#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) |ULTIMATE.start_sll_create_~head~0#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))) (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {10277#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) |ULTIMATE.start_sll_create_~head~0#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))) (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is VALID [2022-02-21 00:00:58,371 WARN L290 TraceCheckUtils]: 18: Hoare triple {10287#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {10277#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) |ULTIMATE.start_sll_create_~head~0#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4)) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4))))) (< |ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))} is UNKNOWN [2022-02-21 00:00:58,373 INFO L290 TraceCheckUtils]: 17: Hoare triple {10079#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {10287#(forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (< |ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|) (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (select (store (select (store |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1306) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (store (select (store |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) v_ArrVal_1308) |ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))))} is VALID [2022-02-21 00:00:58,373 INFO L290 TraceCheckUtils]: 16: Hoare triple {10075#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {10079#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-21 00:00:58,373 INFO L290 TraceCheckUtils]: 15: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {10075#(not (= |ULTIMATE.start_node_create_#res#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:58,374 INFO L290 TraceCheckUtils]: 14: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:58,374 INFO L290 TraceCheckUtils]: 13: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:58,374 INFO L290 TraceCheckUtils]: 12: Hoare triple {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:58,375 INFO L290 TraceCheckUtils]: 11: Hoare triple {10309#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {10062#(not (= |ULTIMATE.start_node_create_~temp~0#1.base| |ULTIMATE.start_sll_create_~head~0#1.base|))} is VALID [2022-02-21 00:00:58,375 INFO L290 TraceCheckUtils]: 10: Hoare triple {10309#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} sll_create_#t~post4#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post4#1 - 1;havoc sll_create_#t~post4#1; {10309#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,375 INFO L290 TraceCheckUtils]: 9: Hoare triple {10316#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {10309#(not (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,376 INFO L290 TraceCheckUtils]: 8: Hoare triple {10316#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, 4 + sll_create_~new_head~0#1.offset, 4); srcloc: L587 {10316#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,376 INFO L290 TraceCheckUtils]: 7: Hoare triple {10323#(not (= 0 (select |#valid| |ULTIMATE.start_node_create_#res#1.base|)))} sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset := node_create_#res#1.base, node_create_#res#1.offset;assume { :end_inline_node_create } true;sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset; {10316#(not (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,377 INFO L290 TraceCheckUtils]: 6: Hoare triple {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} node_create_#res#1.base, node_create_#res#1.offset := node_create_~temp~0#1.base, node_create_~temp~0#1.offset; {10323#(not (= 0 (select |#valid| |ULTIMATE.start_node_create_#res#1.base|)))} is VALID [2022-02-21 00:00:58,377 INFO L290 TraceCheckUtils]: 5: Hoare triple {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} SUMMARY for call write~int(node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset, 4); srcloc: L579 {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,377 INFO L290 TraceCheckUtils]: 4: Hoare triple {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} SUMMARY for call write~$Pointer$(0, 0, node_create_~temp~0#1.base, 4 + node_create_~temp~0#1.offset, 4); srcloc: L576-1 {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,378 INFO L290 TraceCheckUtils]: 3: Hoare triple {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} assume !(0 == node_create_~temp~0#1.base && 0 == node_create_~temp~0#1.offset); {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {9997#true} assume !!(sll_create_~len#1 > 0);assume { :begin_inline_node_create } true;node_create_#in~data#1 := sll_create_~data#1;havoc node_create_#res#1.base, node_create_#res#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset, node_create_~data#1, node_create_~temp~0#1.base, node_create_~temp~0#1.offset;node_create_~data#1 := node_create_#in~data#1;call node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(8);node_create_~temp~0#1.base, node_create_~temp~0#1.offset := node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset;havoc node_create_#t~malloc3#1.base, node_create_#t~malloc3#1.offset; {10327#(not (= (select |#valid| |ULTIMATE.start_node_create_~temp~0#1.base|) 0))} is VALID [2022-02-21 00:00:58,379 INFO L290 TraceCheckUtils]: 1: Hoare triple {9997#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1.base, main_#t~ret12#1.offset, main_#t~post13#1, main_~new_data~0#1, main_#t~ret15#1, main_#t~post14#1, main_~expected~0#1, main_~len~0#1, main_~data~0#1, main_~s~0#1.base, main_~s~0#1.offset, main_~i~0#1;main_~len~0#1 := 2;main_~data~0#1 := 1;assume { :begin_inline_sll_create } true;sll_create_#in~len#1, sll_create_#in~data#1 := main_~len~0#1, main_~data~0#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~ret5#1.base, sll_create_#t~ret5#1.offset, sll_create_#t~post4#1, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_~len#1, sll_create_~data#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~data#1 := sll_create_#in~data#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {9997#true} is VALID [2022-02-21 00:00:58,379 INFO L290 TraceCheckUtils]: 0: Hoare triple {9997#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {9997#true} is VALID [2022-02-21 00:00:58,379 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 12 not checked. [2022-02-21 00:00:58,379 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245216288] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:58,379 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:58,379 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25, 26] total 64 [2022-02-21 00:00:58,379 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288892018] [2022-02-21 00:00:58,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:58,380 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.890625) internal successors, (121), 64 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-02-21 00:00:58,380 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:58,380 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 64 states, 64 states have (on average 1.890625) internal successors, (121), 64 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:58,585 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 121 edges. 115 inductive. 0 not inductive. 6 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:58,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-02-21 00:00:58,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:58,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-02-21 00:00:58,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=2816, Unknown=9, NotChecked=1026, Total=4032 [2022-02-21 00:00:58,587 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand has 64 states, 64 states have (on average 1.890625) internal successors, (121), 64 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:01:01,662 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_node_create_#res#1.offset| 0) (= (select |c_#valid| |c_ULTIMATE.start_node_create_#res#1.base|) 1) (= |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|)) (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse1))) (= .cse0 (select (store (select (store |c_#memory_$Pointer$.base| .cse0 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (let ((.cse2 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse2) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse2))))) (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse3 (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4))) (= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse3) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse3) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) .cse3))))) (< |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) (not (= |c_ULTIMATE.start_node_create_~temp~0#1.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|)) (= (select |c_#valid| |c_ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select |c_#valid| |c_ULTIMATE.start_node_create_~temp~0#1.base|) 1) (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) (+ |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| 4)))) (= |c_ULTIMATE.start_node_create_~temp~0#1.offset| 0) (not (= |c_ULTIMATE.start_node_create_#res#1.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|)) (= (select |c_#valid| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)) is different from false [2022-02-21 00:01:03,669 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse0 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse0)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_sll_create_~head~0#1.base| (let ((.cse1 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse3 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse3))) (= .cse2 (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse3)))))) (< |c_ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) (= (select |c_#valid| |c_ULTIMATE.start_sll_create_~head~0#1.base|) 1) (not (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) 4) |c_ULTIMATE.start_sll_create_~head~0#1.base|)) (= |c_ULTIMATE.start_sll_create_~head~0#1.offset| 0)) is different from false [2022-02-21 00:01:05,676 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse0 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (= (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse0) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse0)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= |c_ULTIMATE.start_sll_create_~head~0#1.base| (let ((.cse1 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse1) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1))))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse3 (+ 4 |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) .cse3))) (= .cse2 (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_~head~0#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse3)))))) (< |c_ULTIMATE.start_sll_create_~head~0#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|))) (not (= (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~head~0#1.base|) 4) |c_ULTIMATE.start_sll_create_~head~0#1.base|)) (= |c_ULTIMATE.start_sll_create_~head~0#1.offset| 0)) is different from false [2022-02-21 00:01:07,707 WARN L838 $PredicateComparison]: unable to prove that (and (not (= |c_ULTIMATE.start_sll_create_#res#1.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) 4))) (= |c_ULTIMATE.start_sll_create_#res#1.offset| 0) (forall ((|v_ULTIMATE.start_sll_update_at_~head#1.offset_25| Int)) (or (and (forall ((v_ArrVal_1313 Int) (v_ArrVal_1308 (Array Int Int))) (let ((.cse0 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (= (select (store (select (store |c_#memory_$Pointer$.offset| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse0) v_ArrVal_1308) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1313) .cse0) (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse0)))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (not (= (let ((.cse1 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (select (store (select (store |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse1) v_ArrVal_1306) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse1)) |c_ULTIMATE.start_sll_create_#res#1.base|))) (forall ((v_ArrVal_1306 (Array Int Int)) (v_ArrVal_1310 Int)) (let ((.cse3 (+ |c_ULTIMATE.start_sll_create_#res#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_#res#1.base|) .cse3))) (= (select (store (select (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_1306) |c_ULTIMATE.start_sll_create_#res#1.base|) |v_ULTIMATE.start_sll_update_at_~head#1.offset_25| v_ArrVal_1310) .cse3) .cse2))))) (< |c_ULTIMATE.start_sll_create_#res#1.offset| |v_ULTIMATE.start_sll_update_at_~head#1.offset_25|)))) is different from false