./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:37:34,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:37:34,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:37:34,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:37:34,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:37:34,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:37:34,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:37:34,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:37:34,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:37:34,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:37:34,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:37:34,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:37:34,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:37:34,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:37:34,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:37:34,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:37:34,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:37:34,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:37:34,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:37:34,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:37:34,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:37:34,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:37:34,415 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:37:34,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:37:34,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:37:34,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:37:34,420 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:37:34,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:37:34,421 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:37:34,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:37:34,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:37:34,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:37:34,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:37:34,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:37:34,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:37:34,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:37:34,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:37:34,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:37:34,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:37:34,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:37:34,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:37:34,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2022-02-20 23:37:34,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:37:34,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:37:34,463 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:37:34,463 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:37:34,464 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:37:34,464 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:37:34,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:37:34,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:37:34,465 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:37:34,465 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:37:34,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:37:34,466 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:37:34,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:37:34,466 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:37:34,466 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:37:34,467 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:37:34,467 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:37:34,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:37:34,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:37:34,467 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:37:34,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:37:34,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:37:34,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:37:34,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:37:34,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:37:34,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:37:34,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:37:34,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:37:34,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:37:34,470 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724878768076b8192fcddec982755d081255c76c80e1e283d808e6a7ebb222b9 [2022-02-20 23:37:34,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:37:34,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:37:34,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:37:34,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:37:34,683 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:37:34,684 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-02-20 23:37:34,735 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d89544e5/2bcd478522144aff804dc8232de35926/FLAG5024df77e [2022-02-20 23:37:35,161 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:37:35,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i [2022-02-20 23:37:35,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d89544e5/2bcd478522144aff804dc8232de35926/FLAG5024df77e [2022-02-20 23:37:35,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d89544e5/2bcd478522144aff804dc8232de35926 [2022-02-20 23:37:35,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:37:35,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:37:35,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:37:35,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:37:35,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:37:35,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@86378ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35, skipping insertion in model container [2022-02-20 23:37:35,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:37:35,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:37:35,508 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-02-20 23:37:35,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:37:35,525 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:37:35,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_nondet_insert-1.i[24521,24534] [2022-02-20 23:37:35,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:37:35,594 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:37:35,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35 WrapperNode [2022-02-20 23:37:35,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:37:35,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:37:35,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:37:35,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:37:35,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,640 INFO L137 Inliner]: procedures = 129, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 140 [2022-02-20 23:37:35,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:37:35,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:37:35,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:37:35,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:37:35,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:37:35,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:37:35,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:37:35,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:37:35,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (1/1) ... [2022-02-20 23:37:35,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:37:35,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:35,739 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 23:37:35,740 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 23:37:35,768 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-02-20 23:37:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-02-20 23:37:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:37:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure _get_nondet_int [2022-02-20 23:37:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_nondet_int [2022-02-20 23:37:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:37:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 23:37:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:37:35,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:37:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:37:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-20 23:37:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:37:35,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:37:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:37:35,855 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:37:35,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 23:37:35,920 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-02-20 23:37:36,252 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 23:37:36,263 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 23:37:36,270 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-02-20 23:37:36,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:37:36 BoogieIcfgContainer [2022-02-20 23:37:36,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 23:37:36,274 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 23:37:36,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 23:37:36,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 23:37:36,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:37:35" (1/3) ... [2022-02-20 23:37:36,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf1edbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:37:36, skipping insertion in model container [2022-02-20 23:37:36,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:37:35" (2/3) ... [2022-02-20 23:37:36,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf1edbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 11:37:36, skipping insertion in model container [2022-02-20 23:37:36,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 11:37:36" (3/3) ... [2022-02-20 23:37:36,281 INFO L111 eAbstractionObserver]: Analyzing ICFG sll_nondet_insert-1.i [2022-02-20 23:37:36,290 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 23:37:36,291 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-02-20 23:37:36,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 23:37:36,341 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 23:37:36,341 INFO L340 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-02-20 23:37:36,357 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 56 states have (on average 1.7678571428571428) internal successors, (99), 82 states have internal predecessors, (99), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-02-20 23:37:36,363 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:36,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:37:36,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:36,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:36,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1214620074, now seen corresponding path program 1 times [2022-02-20 23:37:36,376 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:36,376 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511184466] [2022-02-20 23:37:36,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:36,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:36,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:36,536 INFO L290 TraceCheckUtils]: 0: Hoare triple {91#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {91#true} is VALID [2022-02-20 23:37:36,537 INFO L290 TraceCheckUtils]: 1: Hoare triple {91#true} assume !true; {92#false} is VALID [2022-02-20 23:37:36,537 INFO L290 TraceCheckUtils]: 2: Hoare triple {92#false} #res := ~len~1; {92#false} is VALID [2022-02-20 23:37:36,537 INFO L290 TraceCheckUtils]: 3: Hoare triple {92#false} assume true; {92#false} is VALID [2022-02-20 23:37:36,538 INFO L284 TraceCheckUtils]: 4: Hoare quadruple {92#false} {91#true} #190#return; {92#false} is VALID [2022-02-20 23:37:36,539 INFO L290 TraceCheckUtils]: 0: Hoare triple {91#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(22, 2); {91#true} is VALID [2022-02-20 23:37:36,539 INFO L290 TraceCheckUtils]: 1: Hoare triple {91#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {91#true} is VALID [2022-02-20 23:37:36,540 INFO L272 TraceCheckUtils]: 2: Hoare triple {91#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {91#true} is VALID [2022-02-20 23:37:36,540 INFO L290 TraceCheckUtils]: 3: Hoare triple {91#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {91#true} is VALID [2022-02-20 23:37:36,541 INFO L290 TraceCheckUtils]: 4: Hoare triple {91#true} assume !true; {92#false} is VALID [2022-02-20 23:37:36,541 INFO L290 TraceCheckUtils]: 5: Hoare triple {92#false} #res := ~len~1; {92#false} is VALID [2022-02-20 23:37:36,541 INFO L290 TraceCheckUtils]: 6: Hoare triple {92#false} assume true; {92#false} is VALID [2022-02-20 23:37:36,542 INFO L284 TraceCheckUtils]: 7: Hoare quadruple {92#false} {91#true} #190#return; {92#false} is VALID [2022-02-20 23:37:36,542 INFO L290 TraceCheckUtils]: 8: Hoare triple {92#false} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {92#false} is VALID [2022-02-20 23:37:36,542 INFO L290 TraceCheckUtils]: 9: Hoare triple {92#false} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {92#false} is VALID [2022-02-20 23:37:36,543 INFO L290 TraceCheckUtils]: 10: Hoare triple {92#false} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {92#false} is VALID [2022-02-20 23:37:36,544 INFO L290 TraceCheckUtils]: 11: Hoare triple {92#false} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {92#false} is VALID [2022-02-20 23:37:36,544 INFO L290 TraceCheckUtils]: 12: Hoare triple {92#false} assume !(1 == #valid[sll_create_~new_head~0#1.base]); {92#false} is VALID [2022-02-20 23:37:36,544 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 23:37:36,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:36,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511184466] [2022-02-20 23:37:36,546 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511184466] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:36,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:36,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:37:36,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576700714] [2022-02-20 23:37:36,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:36,555 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-02-20 23:37:36,556 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:36,558 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:36,577 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 13 edges. 13 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:36,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 23:37:36,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:36,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 23:37:36,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 23:37:36,607 INFO L87 Difference]: Start difference. First operand has 88 states, 56 states have (on average 1.7678571428571428) internal successors, (99), 82 states have internal predecessors, (99), 5 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:36,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:36,699 INFO L93 Difference]: Finished difference Result 88 states and 100 transitions. [2022-02-20 23:37:36,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 23:37:36,699 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-02-20 23:37:36,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:36,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:36,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 107 transitions. [2022-02-20 23:37:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 107 transitions. [2022-02-20 23:37:36,718 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 107 transitions. [2022-02-20 23:37:36,879 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:36,897 INFO L225 Difference]: With dead ends: 88 [2022-02-20 23:37:36,897 INFO L226 Difference]: Without dead ends: 82 [2022-02-20 23:37:36,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 23:37:36,902 INFO L933 BasicCegarLoop]: 100 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:36,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:37:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-02-20 23:37:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-02-20 23:37:36,928 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:36,929 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 82 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:36,930 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 82 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:36,931 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 82 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:36,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:36,936 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-02-20 23:37:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-02-20 23:37:36,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:36,937 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:36,938 INFO L74 IsIncluded]: Start isIncluded. First operand has 82 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-02-20 23:37:36,939 INFO L87 Difference]: Start difference. First operand has 82 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-02-20 23:37:36,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:36,944 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-02-20 23:37:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-02-20 23:37:36,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:36,945 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:36,945 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:36,945 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 53 states have (on average 1.6226415094339623) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:36,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2022-02-20 23:37:36,953 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 13 [2022-02-20 23:37:36,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:36,954 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2022-02-20 23:37:36,954 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:36,956 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-02-20 23:37:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 23:37:36,956 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:36,957 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:37:36,957 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 23:37:36,958 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:36,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:36,961 INFO L85 PathProgramCache]: Analyzing trace with hash 858123055, now seen corresponding path program 1 times [2022-02-20 23:37:36,961 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:36,961 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6696801] [2022-02-20 23:37:36,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:36,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:37,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:37,032 INFO L290 TraceCheckUtils]: 0: Hoare triple {434#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {434#true} is VALID [2022-02-20 23:37:37,032 INFO L290 TraceCheckUtils]: 1: Hoare triple {434#true} #t~short13 := ~len~1 < ~until; {434#true} is VALID [2022-02-20 23:37:37,033 INFO L290 TraceCheckUtils]: 2: Hoare triple {434#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {434#true} is VALID [2022-02-20 23:37:37,033 INFO L290 TraceCheckUtils]: 3: Hoare triple {434#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {434#true} is VALID [2022-02-20 23:37:37,033 INFO L290 TraceCheckUtils]: 4: Hoare triple {434#true} #res := ~len~1; {434#true} is VALID [2022-02-20 23:37:37,033 INFO L290 TraceCheckUtils]: 5: Hoare triple {434#true} assume true; {434#true} is VALID [2022-02-20 23:37:37,034 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {434#true} {434#true} #190#return; {434#true} is VALID [2022-02-20 23:37:37,034 INFO L290 TraceCheckUtils]: 0: Hoare triple {434#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(22, 2); {434#true} is VALID [2022-02-20 23:37:37,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {434#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {434#true} is VALID [2022-02-20 23:37:37,034 INFO L272 TraceCheckUtils]: 2: Hoare triple {434#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {434#true} is VALID [2022-02-20 23:37:37,035 INFO L290 TraceCheckUtils]: 3: Hoare triple {434#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {434#true} is VALID [2022-02-20 23:37:37,035 INFO L290 TraceCheckUtils]: 4: Hoare triple {434#true} #t~short13 := ~len~1 < ~until; {434#true} is VALID [2022-02-20 23:37:37,035 INFO L290 TraceCheckUtils]: 5: Hoare triple {434#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {434#true} is VALID [2022-02-20 23:37:37,035 INFO L290 TraceCheckUtils]: 6: Hoare triple {434#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {434#true} is VALID [2022-02-20 23:37:37,036 INFO L290 TraceCheckUtils]: 7: Hoare triple {434#true} #res := ~len~1; {434#true} is VALID [2022-02-20 23:37:37,036 INFO L290 TraceCheckUtils]: 8: Hoare triple {434#true} assume true; {434#true} is VALID [2022-02-20 23:37:37,036 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {434#true} {434#true} #190#return; {434#true} is VALID [2022-02-20 23:37:37,036 INFO L290 TraceCheckUtils]: 10: Hoare triple {434#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {434#true} is VALID [2022-02-20 23:37:37,037 INFO L290 TraceCheckUtils]: 11: Hoare triple {434#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {434#true} is VALID [2022-02-20 23:37:37,038 INFO L290 TraceCheckUtils]: 12: Hoare triple {434#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {443#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:37,038 INFO L290 TraceCheckUtils]: 13: Hoare triple {443#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {443#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:37,039 INFO L290 TraceCheckUtils]: 14: Hoare triple {443#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} assume !(1 == #valid[sll_create_~new_head~0#1.base]); {435#false} is VALID [2022-02-20 23:37:37,039 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 23:37:37,039 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:37,039 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6696801] [2022-02-20 23:37:37,040 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6696801] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:37,040 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:37,040 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:37:37,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228759925] [2022-02-20 23:37:37,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:37,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-02-20 23:37:37,042 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:37,042 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,055 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:37,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:37:37,055 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:37,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:37:37,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:37:37,057 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:37,300 INFO L93 Difference]: Finished difference Result 145 states and 164 transitions. [2022-02-20 23:37:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:37:37,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-02-20 23:37:37,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-02-20 23:37:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-02-20 23:37:37,314 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2022-02-20 23:37:37,455 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:37,459 INFO L225 Difference]: With dead ends: 145 [2022-02-20 23:37:37,459 INFO L226 Difference]: Without dead ends: 145 [2022-02-20 23:37:37,460 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:37:37,461 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 68 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:37,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [70 Valid, 157 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:37:37,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-02-20 23:37:37,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 81. [2022-02-20 23:37:37,467 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:37,468 INFO L82 GeneralOperation]: Start isEquivalent. First operand 145 states. Second operand has 81 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 76 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,468 INFO L74 IsIncluded]: Start isIncluded. First operand 145 states. Second operand has 81 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 76 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,468 INFO L87 Difference]: Start difference. First operand 145 states. Second operand has 81 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 76 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:37,474 INFO L93 Difference]: Finished difference Result 145 states and 164 transitions. [2022-02-20 23:37:37,474 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 164 transitions. [2022-02-20 23:37:37,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:37,476 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:37,476 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 76 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 145 states. [2022-02-20 23:37:37,477 INFO L87 Difference]: Start difference. First operand has 81 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 76 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 145 states. [2022-02-20 23:37:37,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:37,482 INFO L93 Difference]: Finished difference Result 145 states and 164 transitions. [2022-02-20 23:37:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 164 transitions. [2022-02-20 23:37:37,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:37,484 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:37,484 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:37,484 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:37,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 53 states have (on average 1.6037735849056605) internal successors, (85), 76 states have internal predecessors, (85), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 91 transitions. [2022-02-20 23:37:37,487 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 91 transitions. Word has length 15 [2022-02-20 23:37:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:37,488 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 91 transitions. [2022-02-20 23:37:37,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,488 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 91 transitions. [2022-02-20 23:37:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-02-20 23:37:37,489 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:37,489 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:37:37,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 23:37:37,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:37,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:37,490 INFO L85 PathProgramCache]: Analyzing trace with hash 858123056, now seen corresponding path program 1 times [2022-02-20 23:37:37,490 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:37,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370539767] [2022-02-20 23:37:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:37,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:37,557 INFO L290 TraceCheckUtils]: 0: Hoare triple {962#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {962#true} is VALID [2022-02-20 23:37:37,557 INFO L290 TraceCheckUtils]: 1: Hoare triple {962#true} #t~short13 := ~len~1 < ~until; {962#true} is VALID [2022-02-20 23:37:37,558 INFO L290 TraceCheckUtils]: 2: Hoare triple {962#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {962#true} is VALID [2022-02-20 23:37:37,558 INFO L290 TraceCheckUtils]: 3: Hoare triple {962#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {962#true} is VALID [2022-02-20 23:37:37,558 INFO L290 TraceCheckUtils]: 4: Hoare triple {962#true} #res := ~len~1; {962#true} is VALID [2022-02-20 23:37:37,558 INFO L290 TraceCheckUtils]: 5: Hoare triple {962#true} assume true; {962#true} is VALID [2022-02-20 23:37:37,559 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {962#true} {962#true} #190#return; {962#true} is VALID [2022-02-20 23:37:37,559 INFO L290 TraceCheckUtils]: 0: Hoare triple {962#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(22, 2); {962#true} is VALID [2022-02-20 23:37:37,560 INFO L290 TraceCheckUtils]: 1: Hoare triple {962#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {962#true} is VALID [2022-02-20 23:37:37,560 INFO L272 TraceCheckUtils]: 2: Hoare triple {962#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {962#true} is VALID [2022-02-20 23:37:37,564 INFO L290 TraceCheckUtils]: 3: Hoare triple {962#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {962#true} is VALID [2022-02-20 23:37:37,564 INFO L290 TraceCheckUtils]: 4: Hoare triple {962#true} #t~short13 := ~len~1 < ~until; {962#true} is VALID [2022-02-20 23:37:37,565 INFO L290 TraceCheckUtils]: 5: Hoare triple {962#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {962#true} is VALID [2022-02-20 23:37:37,565 INFO L290 TraceCheckUtils]: 6: Hoare triple {962#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {962#true} is VALID [2022-02-20 23:37:37,565 INFO L290 TraceCheckUtils]: 7: Hoare triple {962#true} #res := ~len~1; {962#true} is VALID [2022-02-20 23:37:37,566 INFO L290 TraceCheckUtils]: 8: Hoare triple {962#true} assume true; {962#true} is VALID [2022-02-20 23:37:37,567 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {962#true} {962#true} #190#return; {962#true} is VALID [2022-02-20 23:37:37,567 INFO L290 TraceCheckUtils]: 10: Hoare triple {962#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {962#true} is VALID [2022-02-20 23:37:37,567 INFO L290 TraceCheckUtils]: 11: Hoare triple {962#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {962#true} is VALID [2022-02-20 23:37:37,568 INFO L290 TraceCheckUtils]: 12: Hoare triple {962#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {971#(and (= (+ (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (- 4)) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:37,569 INFO L290 TraceCheckUtils]: 13: Hoare triple {971#(and (= (+ (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (- 4)) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {971#(and (= (+ (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (- 4)) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:37,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {971#(and (= (+ (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) (- 4)) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} assume !(4 + sll_create_~new_head~0#1.offset <= #length[sll_create_~new_head~0#1.base] && 0 <= sll_create_~new_head~0#1.offset); {963#false} is VALID [2022-02-20 23:37:37,570 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 23:37:37,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:37,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370539767] [2022-02-20 23:37:37,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370539767] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:37,571 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:37,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 23:37:37,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898340139] [2022-02-20 23:37:37,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:37,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-02-20 23:37:37,572 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:37,572 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,584 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 15 edges. 15 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:37,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 23:37:37,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:37,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 23:37:37,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:37:37,585 INFO L87 Difference]: Start difference. First operand 81 states and 91 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:37,765 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2022-02-20 23:37:37,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 23:37:37,765 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-02-20 23:37:37,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-02-20 23:37:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-02-20 23:37:37,772 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 165 transitions. [2022-02-20 23:37:37,901 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 165 edges. 165 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:37,903 INFO L225 Difference]: With dead ends: 146 [2022-02-20 23:37:37,904 INFO L226 Difference]: Without dead ends: 146 [2022-02-20 23:37:37,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 23:37:37,905 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 70 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:37,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 139 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 23:37:37,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-02-20 23:37:37,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 80. [2022-02-20 23:37:37,910 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:37,911 INFO L82 GeneralOperation]: Start isEquivalent. First operand 146 states. Second operand has 80 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,911 INFO L74 IsIncluded]: Start isIncluded. First operand 146 states. Second operand has 80 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,912 INFO L87 Difference]: Start difference. First operand 146 states. Second operand has 80 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:37,924 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2022-02-20 23:37:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 164 transitions. [2022-02-20 23:37:37,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:37,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:37,928 INFO L74 IsIncluded]: Start isIncluded. First operand has 80 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 146 states. [2022-02-20 23:37:37,929 INFO L87 Difference]: Start difference. First operand has 80 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 146 states. [2022-02-20 23:37:37,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:37,938 INFO L93 Difference]: Finished difference Result 146 states and 164 transitions. [2022-02-20 23:37:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 164 transitions. [2022-02-20 23:37:37,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:37,939 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:37,939 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:37,939 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 53 states have (on average 1.5849056603773586) internal successors, (84), 75 states have internal predecessors, (84), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:37,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 90 transitions. [2022-02-20 23:37:37,943 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 90 transitions. Word has length 15 [2022-02-20 23:37:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:37,943 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 90 transitions. [2022-02-20 23:37:37,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 23:37:37,944 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 90 transitions. [2022-02-20 23:37:37,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-02-20 23:37:37,944 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:37,945 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 23:37:37,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 23:37:37,946 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:37,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:37,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1495205364, now seen corresponding path program 1 times [2022-02-20 23:37:37,947 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:37,947 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597296603] [2022-02-20 23:37:37,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:37,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:38,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:38,111 INFO L290 TraceCheckUtils]: 0: Hoare triple {1492#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,112 INFO L290 TraceCheckUtils]: 1: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short13 := ~len~1 < ~until; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,113 INFO L290 TraceCheckUtils]: 2: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,113 INFO L290 TraceCheckUtils]: 3: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,114 INFO L290 TraceCheckUtils]: 4: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:38,114 INFO L290 TraceCheckUtils]: 5: Hoare triple {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:38,115 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1492#true} #190#return; {1501#(= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 23:37:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:38,125 INFO L290 TraceCheckUtils]: 0: Hoare triple {1492#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1492#true} is VALID [2022-02-20 23:37:38,125 INFO L290 TraceCheckUtils]: 1: Hoare triple {1492#true} #t~short13 := ~len~1 < ~until; {1492#true} is VALID [2022-02-20 23:37:38,125 INFO L290 TraceCheckUtils]: 2: Hoare triple {1492#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1492#true} is VALID [2022-02-20 23:37:38,125 INFO L290 TraceCheckUtils]: 3: Hoare triple {1492#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1492#true} is VALID [2022-02-20 23:37:38,126 INFO L290 TraceCheckUtils]: 4: Hoare triple {1492#true} #res := ~len~1; {1492#true} is VALID [2022-02-20 23:37:38,126 INFO L290 TraceCheckUtils]: 5: Hoare triple {1492#true} assume true; {1492#true} is VALID [2022-02-20 23:37:38,126 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1492#true} {1493#false} #194#return; {1493#false} is VALID [2022-02-20 23:37:38,126 INFO L290 TraceCheckUtils]: 0: Hoare triple {1492#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(22, 2); {1492#true} is VALID [2022-02-20 23:37:38,126 INFO L290 TraceCheckUtils]: 1: Hoare triple {1492#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {1492#true} is VALID [2022-02-20 23:37:38,127 INFO L272 TraceCheckUtils]: 2: Hoare triple {1492#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {1492#true} is VALID [2022-02-20 23:37:38,127 INFO L290 TraceCheckUtils]: 3: Hoare triple {1492#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,128 INFO L290 TraceCheckUtils]: 4: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short13 := ~len~1 < ~until; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,128 INFO L290 TraceCheckUtils]: 5: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,129 INFO L290 TraceCheckUtils]: 6: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:38,129 INFO L290 TraceCheckUtils]: 7: Hoare triple {1511#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:38,130 INFO L290 TraceCheckUtils]: 8: Hoare triple {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:38,131 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {1512#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} {1492#true} #190#return; {1501#(= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:38,131 INFO L290 TraceCheckUtils]: 10: Hoare triple {1501#(= 2 |ULTIMATE.start_main_#t~ret15#1|)} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1502#(= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:38,132 INFO L290 TraceCheckUtils]: 11: Hoare triple {1502#(= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {1503#(= (+ (- 2) |ULTIMATE.start_sll_create_#t~post3#1|) 0)} is VALID [2022-02-20 23:37:38,133 INFO L290 TraceCheckUtils]: 12: Hoare triple {1503#(= (+ (- 2) |ULTIMATE.start_sll_create_#t~post3#1|) 0)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {1493#false} is VALID [2022-02-20 23:37:38,133 INFO L290 TraceCheckUtils]: 13: Hoare triple {1493#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {1493#false} is VALID [2022-02-20 23:37:38,133 INFO L290 TraceCheckUtils]: 14: Hoare triple {1493#false} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {1493#false} is VALID [2022-02-20 23:37:38,133 INFO L272 TraceCheckUtils]: 15: Hoare triple {1493#false} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {1492#true} is VALID [2022-02-20 23:37:38,133 INFO L290 TraceCheckUtils]: 16: Hoare triple {1492#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1492#true} is VALID [2022-02-20 23:37:38,134 INFO L290 TraceCheckUtils]: 17: Hoare triple {1492#true} #t~short13 := ~len~1 < ~until; {1492#true} is VALID [2022-02-20 23:37:38,134 INFO L290 TraceCheckUtils]: 18: Hoare triple {1492#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1492#true} is VALID [2022-02-20 23:37:38,134 INFO L290 TraceCheckUtils]: 19: Hoare triple {1492#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1492#true} is VALID [2022-02-20 23:37:38,134 INFO L290 TraceCheckUtils]: 20: Hoare triple {1492#true} #res := ~len~1; {1492#true} is VALID [2022-02-20 23:37:38,135 INFO L290 TraceCheckUtils]: 21: Hoare triple {1492#true} assume true; {1492#true} is VALID [2022-02-20 23:37:38,135 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1492#true} {1493#false} #194#return; {1493#false} is VALID [2022-02-20 23:37:38,135 INFO L290 TraceCheckUtils]: 23: Hoare triple {1493#false} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {1493#false} is VALID [2022-02-20 23:37:38,135 INFO L290 TraceCheckUtils]: 24: Hoare triple {1493#false} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {1493#false} is VALID [2022-02-20 23:37:38,135 INFO L290 TraceCheckUtils]: 25: Hoare triple {1493#false} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {1493#false} is VALID [2022-02-20 23:37:38,136 INFO L290 TraceCheckUtils]: 26: Hoare triple {1493#false} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {1493#false} is VALID [2022-02-20 23:37:38,136 INFO L290 TraceCheckUtils]: 27: Hoare triple {1493#false} assume !(1 == #valid[main_~#s~0#1.base]); {1493#false} is VALID [2022-02-20 23:37:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:37:38,137 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:38,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597296603] [2022-02-20 23:37:38,137 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597296603] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:37:38,137 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777577117] [2022-02-20 23:37:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:38,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:38,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:38,139 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 23:37:38,145 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 23:37:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:38,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 23:37:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:38,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:37:38,546 INFO L290 TraceCheckUtils]: 0: Hoare triple {1492#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(22, 2); {1492#true} is VALID [2022-02-20 23:37:38,546 INFO L290 TraceCheckUtils]: 1: Hoare triple {1492#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {1492#true} is VALID [2022-02-20 23:37:38,552 INFO L272 TraceCheckUtils]: 2: Hoare triple {1492#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {1492#true} is VALID [2022-02-20 23:37:38,552 INFO L290 TraceCheckUtils]: 3: Hoare triple {1492#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:38,553 INFO L290 TraceCheckUtils]: 4: Hoare triple {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} #t~short13 := ~len~1 < ~until; {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:38,553 INFO L290 TraceCheckUtils]: 5: Hoare triple {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:38,554 INFO L290 TraceCheckUtils]: 6: Hoare triple {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:38,554 INFO L290 TraceCheckUtils]: 7: Hoare triple {1525#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} #res := ~len~1; {1538#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} is VALID [2022-02-20 23:37:38,555 INFO L290 TraceCheckUtils]: 8: Hoare triple {1538#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} assume true; {1538#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} is VALID [2022-02-20 23:37:38,555 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {1538#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} {1492#true} #190#return; {1545#(<= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:38,556 INFO L290 TraceCheckUtils]: 10: Hoare triple {1545#(<= 2 |ULTIMATE.start_main_#t~ret15#1|)} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1549#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:38,557 INFO L290 TraceCheckUtils]: 11: Hoare triple {1549#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {1553#(<= 2 |ULTIMATE.start_sll_create_#t~post3#1|)} is VALID [2022-02-20 23:37:38,557 INFO L290 TraceCheckUtils]: 12: Hoare triple {1553#(<= 2 |ULTIMATE.start_sll_create_#t~post3#1|)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {1493#false} is VALID [2022-02-20 23:37:38,558 INFO L290 TraceCheckUtils]: 13: Hoare triple {1493#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {1493#false} is VALID [2022-02-20 23:37:38,558 INFO L290 TraceCheckUtils]: 14: Hoare triple {1493#false} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {1493#false} is VALID [2022-02-20 23:37:38,558 INFO L272 TraceCheckUtils]: 15: Hoare triple {1493#false} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {1493#false} is VALID [2022-02-20 23:37:38,558 INFO L290 TraceCheckUtils]: 16: Hoare triple {1493#false} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1493#false} is VALID [2022-02-20 23:37:38,558 INFO L290 TraceCheckUtils]: 17: Hoare triple {1493#false} #t~short13 := ~len~1 < ~until; {1493#false} is VALID [2022-02-20 23:37:38,559 INFO L290 TraceCheckUtils]: 18: Hoare triple {1493#false} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1493#false} is VALID [2022-02-20 23:37:38,559 INFO L290 TraceCheckUtils]: 19: Hoare triple {1493#false} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1493#false} is VALID [2022-02-20 23:37:38,559 INFO L290 TraceCheckUtils]: 20: Hoare triple {1493#false} #res := ~len~1; {1493#false} is VALID [2022-02-20 23:37:38,559 INFO L290 TraceCheckUtils]: 21: Hoare triple {1493#false} assume true; {1493#false} is VALID [2022-02-20 23:37:38,560 INFO L284 TraceCheckUtils]: 22: Hoare quadruple {1493#false} {1493#false} #194#return; {1493#false} is VALID [2022-02-20 23:37:38,561 INFO L290 TraceCheckUtils]: 23: Hoare triple {1493#false} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {1493#false} is VALID [2022-02-20 23:37:38,561 INFO L290 TraceCheckUtils]: 24: Hoare triple {1493#false} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {1493#false} is VALID [2022-02-20 23:37:38,561 INFO L290 TraceCheckUtils]: 25: Hoare triple {1493#false} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {1493#false} is VALID [2022-02-20 23:37:38,561 INFO L290 TraceCheckUtils]: 26: Hoare triple {1493#false} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {1493#false} is VALID [2022-02-20 23:37:38,564 INFO L290 TraceCheckUtils]: 27: Hoare triple {1493#false} assume !(1 == #valid[main_~#s~0#1.base]); {1493#false} is VALID [2022-02-20 23:37:38,564 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:37:38,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:37:38,565 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777577117] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:38,565 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 23:37:38,565 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-02-20 23:37:38,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085062013] [2022-02-20 23:37:38,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:38,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-02-20 23:37:38,566 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:38,567 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:38,587 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:38,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:37:38,588 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:38,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:37:38,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-02-20 23:37:38,592 INFO L87 Difference]: Start difference. First operand 80 states and 90 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:38,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:38,926 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-02-20 23:37:38,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-20 23:37:38,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 28 [2022-02-20 23:37:38,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:38,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 93 transitions. [2022-02-20 23:37:38,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:38,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 93 transitions. [2022-02-20 23:37:38,929 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 93 transitions. [2022-02-20 23:37:39,002 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:39,004 INFO L225 Difference]: With dead ends: 82 [2022-02-20 23:37:39,004 INFO L226 Difference]: Without dead ends: 82 [2022-02-20 23:37:39,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-02-20 23:37:39,005 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 3 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:39,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 471 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:37:39,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-02-20 23:37:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-02-20 23:37:39,009 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:39,010 INFO L82 GeneralOperation]: Start isEquivalent. First operand 82 states. Second operand has 82 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:39,010 INFO L74 IsIncluded]: Start isIncluded. First operand 82 states. Second operand has 82 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:39,010 INFO L87 Difference]: Start difference. First operand 82 states. Second operand has 82 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:39,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:39,013 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-02-20 23:37:39,013 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-02-20 23:37:39,013 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:39,013 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:39,014 INFO L74 IsIncluded]: Start isIncluded. First operand has 82 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-02-20 23:37:39,014 INFO L87 Difference]: Start difference. First operand has 82 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand 82 states. [2022-02-20 23:37:39,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:39,016 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2022-02-20 23:37:39,016 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-02-20 23:37:39,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:39,017 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:39,017 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:39,017 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 55 states have (on average 1.5636363636363637) internal successors, (86), 77 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2022-02-20 23:37:39,020 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 28 [2022-02-20 23:37:39,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:39,020 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2022-02-20 23:37:39,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2022-02-20 23:37:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:37:39,021 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:39,022 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-20 23:37:39,048 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 23:37:39,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:39,244 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:39,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:39,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1796299413, now seen corresponding path program 1 times [2022-02-20 23:37:39,244 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:39,244 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707319357] [2022-02-20 23:37:39,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:39,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:39,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:39,329 INFO L290 TraceCheckUtils]: 0: Hoare triple {1931#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1931#true} is VALID [2022-02-20 23:37:39,330 INFO L290 TraceCheckUtils]: 1: Hoare triple {1931#true} #t~short13 := ~len~1 < ~until; {1931#true} is VALID [2022-02-20 23:37:39,330 INFO L290 TraceCheckUtils]: 2: Hoare triple {1931#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1931#true} is VALID [2022-02-20 23:37:39,330 INFO L290 TraceCheckUtils]: 3: Hoare triple {1931#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1931#true} is VALID [2022-02-20 23:37:39,330 INFO L290 TraceCheckUtils]: 4: Hoare triple {1931#true} #res := ~len~1; {1931#true} is VALID [2022-02-20 23:37:39,330 INFO L290 TraceCheckUtils]: 5: Hoare triple {1931#true} assume true; {1931#true} is VALID [2022-02-20 23:37:39,331 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1931#true} {1931#true} #190#return; {1931#true} is VALID [2022-02-20 23:37:39,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 23:37:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:39,377 INFO L290 TraceCheckUtils]: 0: Hoare triple {1931#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,378 INFO L290 TraceCheckUtils]: 1: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short13 := ~len~1 < ~until; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,378 INFO L290 TraceCheckUtils]: 2: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,379 INFO L290 TraceCheckUtils]: 3: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,379 INFO L290 TraceCheckUtils]: 4: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} is VALID [2022-02-20 23:37:39,380 INFO L290 TraceCheckUtils]: 5: Hoare triple {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} assume true; {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} is VALID [2022-02-20 23:37:39,382 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} {1931#true} #194#return; {1947#(= |ULTIMATE.start_main_#t~ret17#1| 0)} is VALID [2022-02-20 23:37:39,382 INFO L290 TraceCheckUtils]: 0: Hoare triple {1931#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(22, 2); {1931#true} is VALID [2022-02-20 23:37:39,383 INFO L290 TraceCheckUtils]: 1: Hoare triple {1931#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {1931#true} is VALID [2022-02-20 23:37:39,383 INFO L272 TraceCheckUtils]: 2: Hoare triple {1931#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {1931#true} is VALID [2022-02-20 23:37:39,383 INFO L290 TraceCheckUtils]: 3: Hoare triple {1931#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1931#true} is VALID [2022-02-20 23:37:39,388 INFO L290 TraceCheckUtils]: 4: Hoare triple {1931#true} #t~short13 := ~len~1 < ~until; {1931#true} is VALID [2022-02-20 23:37:39,388 INFO L290 TraceCheckUtils]: 5: Hoare triple {1931#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1931#true} is VALID [2022-02-20 23:37:39,388 INFO L290 TraceCheckUtils]: 6: Hoare triple {1931#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1931#true} is VALID [2022-02-20 23:37:39,389 INFO L290 TraceCheckUtils]: 7: Hoare triple {1931#true} #res := ~len~1; {1931#true} is VALID [2022-02-20 23:37:39,389 INFO L290 TraceCheckUtils]: 8: Hoare triple {1931#true} assume true; {1931#true} is VALID [2022-02-20 23:37:39,389 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {1931#true} {1931#true} #190#return; {1931#true} is VALID [2022-02-20 23:37:39,389 INFO L290 TraceCheckUtils]: 10: Hoare triple {1931#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {1931#true} is VALID [2022-02-20 23:37:39,389 INFO L290 TraceCheckUtils]: 11: Hoare triple {1931#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {1931#true} is VALID [2022-02-20 23:37:39,390 INFO L290 TraceCheckUtils]: 12: Hoare triple {1931#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {1931#true} is VALID [2022-02-20 23:37:39,390 INFO L290 TraceCheckUtils]: 13: Hoare triple {1931#true} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {1931#true} is VALID [2022-02-20 23:37:39,390 INFO L290 TraceCheckUtils]: 14: Hoare triple {1931#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {1931#true} is VALID [2022-02-20 23:37:39,390 INFO L290 TraceCheckUtils]: 15: Hoare triple {1931#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {1931#true} is VALID [2022-02-20 23:37:39,391 INFO L290 TraceCheckUtils]: 16: Hoare triple {1931#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {1931#true} is VALID [2022-02-20 23:37:39,391 INFO L290 TraceCheckUtils]: 17: Hoare triple {1931#true} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {1931#true} is VALID [2022-02-20 23:37:39,391 INFO L290 TraceCheckUtils]: 18: Hoare triple {1931#true} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {1931#true} is VALID [2022-02-20 23:37:39,391 INFO L290 TraceCheckUtils]: 19: Hoare triple {1931#true} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {1931#true} is VALID [2022-02-20 23:37:39,391 INFO L272 TraceCheckUtils]: 20: Hoare triple {1931#true} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {1931#true} is VALID [2022-02-20 23:37:39,392 INFO L290 TraceCheckUtils]: 21: Hoare triple {1931#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,393 INFO L290 TraceCheckUtils]: 22: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short13 := ~len~1 < ~until; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,393 INFO L290 TraceCheckUtils]: 23: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,394 INFO L290 TraceCheckUtils]: 24: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:39,402 INFO L290 TraceCheckUtils]: 25: Hoare triple {1950#(or (= _get_nondet_int_~len~1 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} is VALID [2022-02-20 23:37:39,403 INFO L290 TraceCheckUtils]: 26: Hoare triple {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} assume true; {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} is VALID [2022-02-20 23:37:39,404 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {1951#(or (and (<= |_get_nondet_int_#res| 0) (<= 0 |_get_nondet_int_#res|)) (not (= |_get_nondet_int_#in~from| 0)))} {1931#true} #194#return; {1947#(= |ULTIMATE.start_main_#t~ret17#1| 0)} is VALID [2022-02-20 23:37:39,405 INFO L290 TraceCheckUtils]: 28: Hoare triple {1947#(= |ULTIMATE.start_main_#t~ret17#1| 0)} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {1948#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~k~0#1| 0))} is VALID [2022-02-20 23:37:39,405 INFO L290 TraceCheckUtils]: 29: Hoare triple {1948#(and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~k~0#1| 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {1949#(not |ULTIMATE.start_main_#t~short19#1|)} is VALID [2022-02-20 23:37:39,406 INFO L290 TraceCheckUtils]: 30: Hoare triple {1949#(not |ULTIMATE.start_main_#t~short19#1|)} assume main_#t~short19#1;assume -2147483648 <= main_#t~nondet18#1 && main_#t~nondet18#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~nondet18#1; {1932#false} is VALID [2022-02-20 23:37:39,406 INFO L290 TraceCheckUtils]: 31: Hoare triple {1932#false} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {1932#false} is VALID [2022-02-20 23:37:39,406 INFO L290 TraceCheckUtils]: 32: Hoare triple {1932#false} assume !(1 == #valid[main_~#s~0#1.base]); {1932#false} is VALID [2022-02-20 23:37:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-02-20 23:37:39,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:39,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707319357] [2022-02-20 23:37:39,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707319357] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:39,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:39,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:37:39,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466776148] [2022-02-20 23:37:39,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:39,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-02-20 23:37:39,409 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:39,409 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 23:37:39,435 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:39,435 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-20 23:37:39,436 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:39,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-20 23:37:39,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-20 23:37:39,439 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 23:37:39,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:39,837 INFO L93 Difference]: Finished difference Result 134 states and 153 transitions. [2022-02-20 23:37:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 23:37:39,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-02-20 23:37:39,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:39,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 23:37:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 154 transitions. [2022-02-20 23:37:39,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 23:37:39,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 154 transitions. [2022-02-20 23:37:39,843 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 154 transitions. [2022-02-20 23:37:39,966 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 154 edges. 154 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:39,968 INFO L225 Difference]: With dead ends: 134 [2022-02-20 23:37:39,968 INFO L226 Difference]: Without dead ends: 134 [2022-02-20 23:37:39,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-02-20 23:37:39,969 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:39,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 453 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:37:39,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2022-02-20 23:37:39,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 92. [2022-02-20 23:37:39,974 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:39,975 INFO L82 GeneralOperation]: Start isEquivalent. First operand 134 states. Second operand has 92 states, 64 states have (on average 1.515625) internal successors, (97), 86 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:39,975 INFO L74 IsIncluded]: Start isIncluded. First operand 134 states. Second operand has 92 states, 64 states have (on average 1.515625) internal successors, (97), 86 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:39,975 INFO L87 Difference]: Start difference. First operand 134 states. Second operand has 92 states, 64 states have (on average 1.515625) internal successors, (97), 86 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:39,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:39,979 INFO L93 Difference]: Finished difference Result 134 states and 153 transitions. [2022-02-20 23:37:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2022-02-20 23:37:39,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:39,980 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:39,981 INFO L74 IsIncluded]: Start isIncluded. First operand has 92 states, 64 states have (on average 1.515625) internal successors, (97), 86 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Second operand 134 states. [2022-02-20 23:37:39,981 INFO L87 Difference]: Start difference. First operand has 92 states, 64 states have (on average 1.515625) internal successors, (97), 86 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Second operand 134 states. [2022-02-20 23:37:39,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:39,985 INFO L93 Difference]: Finished difference Result 134 states and 153 transitions. [2022-02-20 23:37:39,985 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2022-02-20 23:37:39,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:39,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:39,986 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:39,986 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 64 states have (on average 1.515625) internal successors, (97), 86 states have internal predecessors, (97), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:39,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2022-02-20 23:37:39,989 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 33 [2022-02-20 23:37:39,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:39,989 INFO L470 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2022-02-20 23:37:39,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.0) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-02-20 23:37:39,990 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2022-02-20 23:37:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-02-20 23:37:39,990 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:39,990 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-02-20 23:37:39,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 23:37:39,991 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:39,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1796301335, now seen corresponding path program 1 times [2022-02-20 23:37:39,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:39,992 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178405331] [2022-02-20 23:37:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:39,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:40,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:40,167 INFO L290 TraceCheckUtils]: 0: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,167 INFO L290 TraceCheckUtils]: 1: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short13 := ~len~1 < ~until; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,169 INFO L290 TraceCheckUtils]: 2: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,169 INFO L290 TraceCheckUtils]: 3: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,170 INFO L290 TraceCheckUtils]: 4: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,171 INFO L290 TraceCheckUtils]: 5: Hoare triple {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,174 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} {2453#true} #190#return; {2462#(= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 23:37:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:40,186 INFO L290 TraceCheckUtils]: 0: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2453#true} is VALID [2022-02-20 23:37:40,186 INFO L290 TraceCheckUtils]: 1: Hoare triple {2453#true} #t~short13 := ~len~1 < ~until; {2453#true} is VALID [2022-02-20 23:37:40,186 INFO L290 TraceCheckUtils]: 2: Hoare triple {2453#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2453#true} is VALID [2022-02-20 23:37:40,187 INFO L290 TraceCheckUtils]: 3: Hoare triple {2453#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2453#true} is VALID [2022-02-20 23:37:40,187 INFO L290 TraceCheckUtils]: 4: Hoare triple {2453#true} #res := ~len~1; {2453#true} is VALID [2022-02-20 23:37:40,187 INFO L290 TraceCheckUtils]: 5: Hoare triple {2453#true} assume true; {2453#true} is VALID [2022-02-20 23:37:40,187 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {2453#true} {2454#false} #194#return; {2454#false} is VALID [2022-02-20 23:37:40,187 INFO L290 TraceCheckUtils]: 0: Hoare triple {2453#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(22, 2); {2453#true} is VALID [2022-02-20 23:37:40,188 INFO L290 TraceCheckUtils]: 1: Hoare triple {2453#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {2453#true} is VALID [2022-02-20 23:37:40,188 INFO L272 TraceCheckUtils]: 2: Hoare triple {2453#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {2453#true} is VALID [2022-02-20 23:37:40,188 INFO L290 TraceCheckUtils]: 3: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,189 INFO L290 TraceCheckUtils]: 4: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #t~short13 := ~len~1 < ~until; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,189 INFO L290 TraceCheckUtils]: 5: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,190 INFO L290 TraceCheckUtils]: 6: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} is VALID [2022-02-20 23:37:40,193 INFO L290 TraceCheckUtils]: 7: Hoare triple {2474#(or (= (+ (- 2) _get_nondet_int_~len~1) 0) (= _get_nondet_int_~len~1 |_get_nondet_int_#in~from|))} #res := ~len~1; {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,194 INFO L290 TraceCheckUtils]: 8: Hoare triple {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} assume true; {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,195 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2475#(or (and (<= |_get_nondet_int_#res| 2) (<= 2 |_get_nondet_int_#res|)) (not (= 2 |_get_nondet_int_#in~from|)))} {2453#true} #190#return; {2462#(= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:40,195 INFO L290 TraceCheckUtils]: 10: Hoare triple {2462#(= 2 |ULTIMATE.start_main_#t~ret15#1|)} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {2463#(= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,196 INFO L290 TraceCheckUtils]: 11: Hoare triple {2463#(= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {2464#(and (<= |ULTIMATE.start_sll_create_#t~post3#1| (+ |ULTIMATE.start_sll_create_~len#1| 1)) (= (+ (- 2) |ULTIMATE.start_sll_create_#t~post3#1|) 0))} is VALID [2022-02-20 23:37:40,196 INFO L290 TraceCheckUtils]: 12: Hoare triple {2464#(and (<= |ULTIMATE.start_sll_create_#t~post3#1| (+ |ULTIMATE.start_sll_create_~len#1| 1)) (= (+ (- 2) |ULTIMATE.start_sll_create_#t~post3#1|) 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,197 INFO L290 TraceCheckUtils]: 13: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,197 INFO L290 TraceCheckUtils]: 14: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,198 INFO L290 TraceCheckUtils]: 15: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,198 INFO L290 TraceCheckUtils]: 16: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {2466#(<= 1 |ULTIMATE.start_sll_create_#t~post3#1|)} is VALID [2022-02-20 23:37:40,198 INFO L290 TraceCheckUtils]: 17: Hoare triple {2466#(<= 1 |ULTIMATE.start_sll_create_#t~post3#1|)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {2454#false} is VALID [2022-02-20 23:37:40,199 INFO L290 TraceCheckUtils]: 18: Hoare triple {2454#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2454#false} is VALID [2022-02-20 23:37:40,199 INFO L290 TraceCheckUtils]: 19: Hoare triple {2454#false} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {2454#false} is VALID [2022-02-20 23:37:40,199 INFO L272 TraceCheckUtils]: 20: Hoare triple {2454#false} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {2453#true} is VALID [2022-02-20 23:37:40,199 INFO L290 TraceCheckUtils]: 21: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2453#true} is VALID [2022-02-20 23:37:40,199 INFO L290 TraceCheckUtils]: 22: Hoare triple {2453#true} #t~short13 := ~len~1 < ~until; {2453#true} is VALID [2022-02-20 23:37:40,200 INFO L290 TraceCheckUtils]: 23: Hoare triple {2453#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2453#true} is VALID [2022-02-20 23:37:40,200 INFO L290 TraceCheckUtils]: 24: Hoare triple {2453#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2453#true} is VALID [2022-02-20 23:37:40,200 INFO L290 TraceCheckUtils]: 25: Hoare triple {2453#true} #res := ~len~1; {2453#true} is VALID [2022-02-20 23:37:40,200 INFO L290 TraceCheckUtils]: 26: Hoare triple {2453#true} assume true; {2453#true} is VALID [2022-02-20 23:37:40,200 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {2453#true} {2454#false} #194#return; {2454#false} is VALID [2022-02-20 23:37:40,200 INFO L290 TraceCheckUtils]: 28: Hoare triple {2454#false} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {2454#false} is VALID [2022-02-20 23:37:40,201 INFO L290 TraceCheckUtils]: 29: Hoare triple {2454#false} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {2454#false} is VALID [2022-02-20 23:37:40,201 INFO L290 TraceCheckUtils]: 30: Hoare triple {2454#false} assume !main_#t~short19#1; {2454#false} is VALID [2022-02-20 23:37:40,201 INFO L290 TraceCheckUtils]: 31: Hoare triple {2454#false} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {2454#false} is VALID [2022-02-20 23:37:40,201 INFO L290 TraceCheckUtils]: 32: Hoare triple {2454#false} assume !(1 == #valid[main_~#s~0#1.base]); {2454#false} is VALID [2022-02-20 23:37:40,202 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:37:40,202 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:40,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178405331] [2022-02-20 23:37:40,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178405331] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:37:40,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82252433] [2022-02-20 23:37:40,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:40,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:40,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:40,208 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 23:37:40,232 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 23:37:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:40,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-20 23:37:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:40,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:37:40,537 INFO L290 TraceCheckUtils]: 0: Hoare triple {2453#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(22, 2); {2453#true} is VALID [2022-02-20 23:37:40,538 INFO L290 TraceCheckUtils]: 1: Hoare triple {2453#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {2453#true} is VALID [2022-02-20 23:37:40,538 INFO L272 TraceCheckUtils]: 2: Hoare triple {2453#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {2453#true} is VALID [2022-02-20 23:37:40,539 INFO L290 TraceCheckUtils]: 3: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:40,539 INFO L290 TraceCheckUtils]: 4: Hoare triple {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} #t~short13 := ~len~1 < ~until; {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:40,540 INFO L290 TraceCheckUtils]: 5: Hoare triple {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:40,540 INFO L290 TraceCheckUtils]: 6: Hoare triple {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} is VALID [2022-02-20 23:37:40,541 INFO L290 TraceCheckUtils]: 7: Hoare triple {2488#(<= |_get_nondet_int_#in~from| _get_nondet_int_~len~1)} #res := ~len~1; {2501#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} is VALID [2022-02-20 23:37:40,541 INFO L290 TraceCheckUtils]: 8: Hoare triple {2501#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} assume true; {2501#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} is VALID [2022-02-20 23:37:40,542 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2501#(<= |_get_nondet_int_#in~from| |_get_nondet_int_#res|)} {2453#true} #190#return; {2508#(<= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:40,543 INFO L290 TraceCheckUtils]: 10: Hoare triple {2508#(<= 2 |ULTIMATE.start_main_#t~ret15#1|)} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {2512#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,543 INFO L290 TraceCheckUtils]: 11: Hoare triple {2512#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,544 INFO L290 TraceCheckUtils]: 12: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,544 INFO L290 TraceCheckUtils]: 13: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,545 INFO L290 TraceCheckUtils]: 14: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,545 INFO L290 TraceCheckUtils]: 15: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,546 INFO L290 TraceCheckUtils]: 16: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {2466#(<= 1 |ULTIMATE.start_sll_create_#t~post3#1|)} is VALID [2022-02-20 23:37:40,546 INFO L290 TraceCheckUtils]: 17: Hoare triple {2466#(<= 1 |ULTIMATE.start_sll_create_#t~post3#1|)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {2454#false} is VALID [2022-02-20 23:37:40,546 INFO L290 TraceCheckUtils]: 18: Hoare triple {2454#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2454#false} is VALID [2022-02-20 23:37:40,546 INFO L290 TraceCheckUtils]: 19: Hoare triple {2454#false} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {2454#false} is VALID [2022-02-20 23:37:40,547 INFO L272 TraceCheckUtils]: 20: Hoare triple {2454#false} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {2454#false} is VALID [2022-02-20 23:37:40,547 INFO L290 TraceCheckUtils]: 21: Hoare triple {2454#false} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2454#false} is VALID [2022-02-20 23:37:40,547 INFO L290 TraceCheckUtils]: 22: Hoare triple {2454#false} #t~short13 := ~len~1 < ~until; {2454#false} is VALID [2022-02-20 23:37:40,547 INFO L290 TraceCheckUtils]: 23: Hoare triple {2454#false} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2454#false} is VALID [2022-02-20 23:37:40,547 INFO L290 TraceCheckUtils]: 24: Hoare triple {2454#false} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2454#false} is VALID [2022-02-20 23:37:40,548 INFO L290 TraceCheckUtils]: 25: Hoare triple {2454#false} #res := ~len~1; {2454#false} is VALID [2022-02-20 23:37:40,548 INFO L290 TraceCheckUtils]: 26: Hoare triple {2454#false} assume true; {2454#false} is VALID [2022-02-20 23:37:40,548 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {2454#false} {2454#false} #194#return; {2454#false} is VALID [2022-02-20 23:37:40,548 INFO L290 TraceCheckUtils]: 28: Hoare triple {2454#false} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {2454#false} is VALID [2022-02-20 23:37:40,548 INFO L290 TraceCheckUtils]: 29: Hoare triple {2454#false} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {2454#false} is VALID [2022-02-20 23:37:40,548 INFO L290 TraceCheckUtils]: 30: Hoare triple {2454#false} assume !main_#t~short19#1; {2454#false} is VALID [2022-02-20 23:37:40,549 INFO L290 TraceCheckUtils]: 31: Hoare triple {2454#false} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {2454#false} is VALID [2022-02-20 23:37:40,549 INFO L290 TraceCheckUtils]: 32: Hoare triple {2454#false} assume !(1 == #valid[main_~#s~0#1.base]); {2454#false} is VALID [2022-02-20 23:37:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:37:40,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:37:40,962 INFO L290 TraceCheckUtils]: 32: Hoare triple {2454#false} assume !(1 == #valid[main_~#s~0#1.base]); {2454#false} is VALID [2022-02-20 23:37:40,963 INFO L290 TraceCheckUtils]: 31: Hoare triple {2454#false} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {2454#false} is VALID [2022-02-20 23:37:40,963 INFO L290 TraceCheckUtils]: 30: Hoare triple {2454#false} assume !main_#t~short19#1; {2454#false} is VALID [2022-02-20 23:37:40,963 INFO L290 TraceCheckUtils]: 29: Hoare triple {2454#false} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {2454#false} is VALID [2022-02-20 23:37:40,963 INFO L290 TraceCheckUtils]: 28: Hoare triple {2454#false} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {2454#false} is VALID [2022-02-20 23:37:40,963 INFO L284 TraceCheckUtils]: 27: Hoare quadruple {2453#true} {2454#false} #194#return; {2454#false} is VALID [2022-02-20 23:37:40,964 INFO L290 TraceCheckUtils]: 26: Hoare triple {2453#true} assume true; {2453#true} is VALID [2022-02-20 23:37:40,964 INFO L290 TraceCheckUtils]: 25: Hoare triple {2453#true} #res := ~len~1; {2453#true} is VALID [2022-02-20 23:37:40,964 INFO L290 TraceCheckUtils]: 24: Hoare triple {2453#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2453#true} is VALID [2022-02-20 23:37:40,964 INFO L290 TraceCheckUtils]: 23: Hoare triple {2453#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2453#true} is VALID [2022-02-20 23:37:40,964 INFO L290 TraceCheckUtils]: 22: Hoare triple {2453#true} #t~short13 := ~len~1 < ~until; {2453#true} is VALID [2022-02-20 23:37:40,965 INFO L290 TraceCheckUtils]: 21: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2453#true} is VALID [2022-02-20 23:37:40,965 INFO L272 TraceCheckUtils]: 20: Hoare triple {2454#false} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {2453#true} is VALID [2022-02-20 23:37:40,965 INFO L290 TraceCheckUtils]: 19: Hoare triple {2454#false} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {2454#false} is VALID [2022-02-20 23:37:40,965 INFO L290 TraceCheckUtils]: 18: Hoare triple {2454#false} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {2454#false} is VALID [2022-02-20 23:37:40,966 INFO L290 TraceCheckUtils]: 17: Hoare triple {2466#(<= 1 |ULTIMATE.start_sll_create_#t~post3#1|)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {2454#false} is VALID [2022-02-20 23:37:40,966 INFO L290 TraceCheckUtils]: 16: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {2466#(<= 1 |ULTIMATE.start_sll_create_#t~post3#1|)} is VALID [2022-02-20 23:37:40,967 INFO L290 TraceCheckUtils]: 15: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,967 INFO L290 TraceCheckUtils]: 14: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,967 INFO L290 TraceCheckUtils]: 13: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,968 INFO L290 TraceCheckUtils]: 12: Hoare triple {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,968 INFO L290 TraceCheckUtils]: 11: Hoare triple {2512#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {2465#(<= 1 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,969 INFO L290 TraceCheckUtils]: 10: Hoare triple {2508#(<= 2 |ULTIMATE.start_main_#t~ret15#1|)} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {2512#(<= 2 |ULTIMATE.start_sll_create_~len#1|)} is VALID [2022-02-20 23:37:40,970 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {2651#(or (<= 2 |_get_nondet_int_#res|) (not (<= 2 |_get_nondet_int_#in~from|)))} {2453#true} #190#return; {2508#(<= 2 |ULTIMATE.start_main_#t~ret15#1|)} is VALID [2022-02-20 23:37:40,970 INFO L290 TraceCheckUtils]: 8: Hoare triple {2651#(or (<= 2 |_get_nondet_int_#res|) (not (<= 2 |_get_nondet_int_#in~from|)))} assume true; {2651#(or (<= 2 |_get_nondet_int_#res|) (not (<= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,971 INFO L290 TraceCheckUtils]: 7: Hoare triple {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} #res := ~len~1; {2651#(or (<= 2 |_get_nondet_int_#res|) (not (<= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,971 INFO L290 TraceCheckUtils]: 6: Hoare triple {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,971 INFO L290 TraceCheckUtils]: 5: Hoare triple {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,973 INFO L290 TraceCheckUtils]: 4: Hoare triple {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} #t~short13 := ~len~1 < ~until; {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,974 INFO L290 TraceCheckUtils]: 3: Hoare triple {2453#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {2658#(or (<= 2 _get_nondet_int_~len~1) (not (<= 2 |_get_nondet_int_#in~from|)))} is VALID [2022-02-20 23:37:40,974 INFO L272 TraceCheckUtils]: 2: Hoare triple {2453#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {2453#true} is VALID [2022-02-20 23:37:40,974 INFO L290 TraceCheckUtils]: 1: Hoare triple {2453#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {2453#true} is VALID [2022-02-20 23:37:40,974 INFO L290 TraceCheckUtils]: 0: Hoare triple {2453#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(22, 2); {2453#true} is VALID [2022-02-20 23:37:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-02-20 23:37:40,975 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82252433] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:37:40,975 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:37:40,975 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 15 [2022-02-20 23:37:40,975 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134468608] [2022-02-20 23:37:40,975 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:37:40,976 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-02-20 23:37:40,977 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:40,977 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 23:37:41,027 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:41,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-20 23:37:41,027 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:41,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-20 23:37:41,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2022-02-20 23:37:41,029 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 23:37:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:41,878 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2022-02-20 23:37:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:37:41,878 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 33 [2022-02-20 23:37:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 23:37:41,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 124 transitions. [2022-02-20 23:37:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 23:37:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 124 transitions. [2022-02-20 23:37:41,882 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 124 transitions. [2022-02-20 23:37:41,978 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 124 edges. 124 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:41,980 INFO L225 Difference]: With dead ends: 109 [2022-02-20 23:37:41,980 INFO L226 Difference]: Without dead ends: 109 [2022-02-20 23:37:41,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2022-02-20 23:37:41,981 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 25 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 962 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:41,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 962 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:37:41,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-02-20 23:37:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 97. [2022-02-20 23:37:41,985 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:41,985 INFO L82 GeneralOperation]: Start isEquivalent. First operand 109 states. Second operand has 97 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 91 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:41,986 INFO L74 IsIncluded]: Start isIncluded. First operand 109 states. Second operand has 97 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 91 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:41,986 INFO L87 Difference]: Start difference. First operand 109 states. Second operand has 97 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 91 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:41,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:41,989 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2022-02-20 23:37:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-02-20 23:37:41,990 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:41,990 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:41,990 INFO L74 IsIncluded]: Start isIncluded. First operand has 97 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 91 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Second operand 109 states. [2022-02-20 23:37:41,991 INFO L87 Difference]: Start difference. First operand has 97 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 91 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Second operand 109 states. [2022-02-20 23:37:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:41,993 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2022-02-20 23:37:41,994 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2022-02-20 23:37:41,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:41,994 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:41,994 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:41,994 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 91 states have internal predecessors, (102), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-02-20 23:37:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 111 transitions. [2022-02-20 23:37:41,997 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 111 transitions. Word has length 33 [2022-02-20 23:37:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:41,997 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 111 transitions. [2022-02-20 23:37:41,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 13 states have internal predecessors, (50), 2 states have call successors, (3), 2 states have call predecessors, (3), 5 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-02-20 23:37:41,998 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions. [2022-02-20 23:37:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:37:41,999 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:41,999 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-02-20 23:37:42,021 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 23:37:42,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-02-20 23:37:42,216 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:42,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:42,216 INFO L85 PathProgramCache]: Analyzing trace with hash 707774998, now seen corresponding path program 2 times [2022-02-20 23:37:42,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:42,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383982780] [2022-02-20 23:37:42,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:42,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:42,335 INFO L290 TraceCheckUtils]: 0: Hoare triple {3117#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3117#true} is VALID [2022-02-20 23:37:42,336 INFO L290 TraceCheckUtils]: 1: Hoare triple {3117#true} #t~short13 := ~len~1 < ~until; {3117#true} is VALID [2022-02-20 23:37:42,336 INFO L290 TraceCheckUtils]: 2: Hoare triple {3117#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3117#true} is VALID [2022-02-20 23:37:42,336 INFO L290 TraceCheckUtils]: 3: Hoare triple {3117#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3117#true} is VALID [2022-02-20 23:37:42,336 INFO L290 TraceCheckUtils]: 4: Hoare triple {3117#true} #res := ~len~1; {3117#true} is VALID [2022-02-20 23:37:42,336 INFO L290 TraceCheckUtils]: 5: Hoare triple {3117#true} assume true; {3117#true} is VALID [2022-02-20 23:37:42,339 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3117#true} {3117#true} #190#return; {3117#true} is VALID [2022-02-20 23:37:42,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:42,348 INFO L290 TraceCheckUtils]: 0: Hoare triple {3117#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3117#true} is VALID [2022-02-20 23:37:42,348 INFO L290 TraceCheckUtils]: 1: Hoare triple {3117#true} #t~short13 := ~len~1 < ~until; {3117#true} is VALID [2022-02-20 23:37:42,348 INFO L290 TraceCheckUtils]: 2: Hoare triple {3117#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3117#true} is VALID [2022-02-20 23:37:42,348 INFO L290 TraceCheckUtils]: 3: Hoare triple {3117#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3117#true} is VALID [2022-02-20 23:37:42,349 INFO L290 TraceCheckUtils]: 4: Hoare triple {3117#true} #res := ~len~1; {3117#true} is VALID [2022-02-20 23:37:42,349 INFO L290 TraceCheckUtils]: 5: Hoare triple {3117#true} assume true; {3117#true} is VALID [2022-02-20 23:37:42,351 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3117#true} {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} #194#return; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,351 INFO L290 TraceCheckUtils]: 0: Hoare triple {3117#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(22, 2); {3117#true} is VALID [2022-02-20 23:37:42,351 INFO L290 TraceCheckUtils]: 1: Hoare triple {3117#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {3117#true} is VALID [2022-02-20 23:37:42,351 INFO L272 TraceCheckUtils]: 2: Hoare triple {3117#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {3117#true} is VALID [2022-02-20 23:37:42,351 INFO L290 TraceCheckUtils]: 3: Hoare triple {3117#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3117#true} is VALID [2022-02-20 23:37:42,352 INFO L290 TraceCheckUtils]: 4: Hoare triple {3117#true} #t~short13 := ~len~1 < ~until; {3117#true} is VALID [2022-02-20 23:37:42,352 INFO L290 TraceCheckUtils]: 5: Hoare triple {3117#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3117#true} is VALID [2022-02-20 23:37:42,352 INFO L290 TraceCheckUtils]: 6: Hoare triple {3117#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3117#true} is VALID [2022-02-20 23:37:42,352 INFO L290 TraceCheckUtils]: 7: Hoare triple {3117#true} #res := ~len~1; {3117#true} is VALID [2022-02-20 23:37:42,352 INFO L290 TraceCheckUtils]: 8: Hoare triple {3117#true} assume true; {3117#true} is VALID [2022-02-20 23:37:42,352 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3117#true} {3117#true} #190#return; {3117#true} is VALID [2022-02-20 23:37:42,353 INFO L290 TraceCheckUtils]: 10: Hoare triple {3117#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,354 INFO L290 TraceCheckUtils]: 11: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,354 INFO L290 TraceCheckUtils]: 12: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3127#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} is VALID [2022-02-20 23:37:42,355 INFO L290 TraceCheckUtils]: 13: Hoare triple {3127#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3127#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} is VALID [2022-02-20 23:37:42,356 INFO L290 TraceCheckUtils]: 14: Hoare triple {3127#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#s~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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3127#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} is VALID [2022-02-20 23:37:42,356 INFO L290 TraceCheckUtils]: 15: Hoare triple {3127#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (not (= |ULTIMATE.start_main_~#s~0#1.base| |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; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,356 INFO L290 TraceCheckUtils]: 16: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,357 INFO L290 TraceCheckUtils]: 17: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3128#(or (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-20 23:37:42,357 INFO L290 TraceCheckUtils]: 18: Hoare triple {3128#(or (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3128#(or (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} is VALID [2022-02-20 23:37:42,358 INFO L290 TraceCheckUtils]: 19: Hoare triple {3128#(or (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,358 INFO L290 TraceCheckUtils]: 20: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,359 INFO L290 TraceCheckUtils]: 21: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,359 INFO L290 TraceCheckUtils]: 22: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,360 INFO L290 TraceCheckUtils]: 23: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,360 INFO L290 TraceCheckUtils]: 24: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,360 INFO L272 TraceCheckUtils]: 25: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {3117#true} is VALID [2022-02-20 23:37:42,360 INFO L290 TraceCheckUtils]: 26: Hoare triple {3117#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3117#true} is VALID [2022-02-20 23:37:42,360 INFO L290 TraceCheckUtils]: 27: Hoare triple {3117#true} #t~short13 := ~len~1 < ~until; {3117#true} is VALID [2022-02-20 23:37:42,361 INFO L290 TraceCheckUtils]: 28: Hoare triple {3117#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3117#true} is VALID [2022-02-20 23:37:42,361 INFO L290 TraceCheckUtils]: 29: Hoare triple {3117#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3117#true} is VALID [2022-02-20 23:37:42,361 INFO L290 TraceCheckUtils]: 30: Hoare triple {3117#true} #res := ~len~1; {3117#true} is VALID [2022-02-20 23:37:42,361 INFO L290 TraceCheckUtils]: 31: Hoare triple {3117#true} assume true; {3117#true} is VALID [2022-02-20 23:37:42,362 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3117#true} {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} #194#return; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,362 INFO L290 TraceCheckUtils]: 33: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,362 INFO L290 TraceCheckUtils]: 34: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,363 INFO L290 TraceCheckUtils]: 35: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !main_#t~short19#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,363 INFO L290 TraceCheckUtils]: 36: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,363 INFO L290 TraceCheckUtils]: 37: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !(1 == #valid[main_~#s~0#1.base]); {3118#false} is VALID [2022-02-20 23:37:42,364 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-02-20 23:37:42,364 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:42,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383982780] [2022-02-20 23:37:42,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383982780] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:37:42,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401889190] [2022-02-20 23:37:42,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:37:42,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:42,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:42,366 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 23:37:42,391 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 23:37:42,460 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:37:42,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:37:42,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjunts are in the unsatisfiable core [2022-02-20 23:37:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:42,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:37:42,522 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 23:37:42,571 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:37:42,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:37:42,611 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-20 23:37:42,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2022-02-20 23:37:42,755 INFO L290 TraceCheckUtils]: 0: Hoare triple {3117#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(22, 2); {3117#true} is VALID [2022-02-20 23:37:42,755 INFO L290 TraceCheckUtils]: 1: Hoare triple {3117#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {3117#true} is VALID [2022-02-20 23:37:42,756 INFO L272 TraceCheckUtils]: 2: Hoare triple {3117#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {3117#true} is VALID [2022-02-20 23:37:42,756 INFO L290 TraceCheckUtils]: 3: Hoare triple {3117#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3117#true} is VALID [2022-02-20 23:37:42,756 INFO L290 TraceCheckUtils]: 4: Hoare triple {3117#true} #t~short13 := ~len~1 < ~until; {3117#true} is VALID [2022-02-20 23:37:42,756 INFO L290 TraceCheckUtils]: 5: Hoare triple {3117#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3117#true} is VALID [2022-02-20 23:37:42,756 INFO L290 TraceCheckUtils]: 6: Hoare triple {3117#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3117#true} is VALID [2022-02-20 23:37:42,757 INFO L290 TraceCheckUtils]: 7: Hoare triple {3117#true} #res := ~len~1; {3117#true} is VALID [2022-02-20 23:37:42,757 INFO L290 TraceCheckUtils]: 8: Hoare triple {3117#true} assume true; {3117#true} is VALID [2022-02-20 23:37:42,757 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3117#true} {3117#true} #190#return; {3117#true} is VALID [2022-02-20 23:37:42,758 INFO L290 TraceCheckUtils]: 10: Hoare triple {3117#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,758 INFO L290 TraceCheckUtils]: 11: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,759 INFO L290 TraceCheckUtils]: 12: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,759 INFO L290 TraceCheckUtils]: 13: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,760 INFO L290 TraceCheckUtils]: 14: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,760 INFO L290 TraceCheckUtils]: 15: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,761 INFO L290 TraceCheckUtils]: 16: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,761 INFO L290 TraceCheckUtils]: 17: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,762 INFO L290 TraceCheckUtils]: 18: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,762 INFO L290 TraceCheckUtils]: 19: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,763 INFO L290 TraceCheckUtils]: 20: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,763 INFO L290 TraceCheckUtils]: 21: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,763 INFO L290 TraceCheckUtils]: 22: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,764 INFO L290 TraceCheckUtils]: 23: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,764 INFO L290 TraceCheckUtils]: 24: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,765 INFO L272 TraceCheckUtils]: 25: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,765 INFO L290 TraceCheckUtils]: 26: Hoare triple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,766 INFO L290 TraceCheckUtils]: 27: Hoare triple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} #t~short13 := ~len~1 < ~until; {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,766 INFO L290 TraceCheckUtils]: 28: Hoare triple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,768 INFO L290 TraceCheckUtils]: 29: Hoare triple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,771 INFO L290 TraceCheckUtils]: 30: Hoare triple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} #res := ~len~1; {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,772 INFO L290 TraceCheckUtils]: 31: Hoare triple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} assume true; {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} is VALID [2022-02-20 23:37:42,773 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3214#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1| Int)) (= (select |#valid| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_1|) 1))} {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} #194#return; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,773 INFO L290 TraceCheckUtils]: 33: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,774 INFO L290 TraceCheckUtils]: 34: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,774 INFO L290 TraceCheckUtils]: 35: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !main_#t~short19#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,775 INFO L290 TraceCheckUtils]: 36: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} is VALID [2022-02-20 23:37:42,776 INFO L290 TraceCheckUtils]: 37: Hoare triple {3126#(= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1)} assume !(1 == #valid[main_~#s~0#1.base]); {3118#false} is VALID [2022-02-20 23:37:42,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 23:37:42,777 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 23:37:42,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1401889190] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:42,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-20 23:37:42,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-02-20 23:37:42,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681017848] [2022-02-20 23:37:42,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:42,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-02-20 23:37:42,780 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:42,780 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:42,804 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:42,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 23:37:42,805 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:42,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 23:37:42,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:37:42,805 INFO L87 Difference]: Start difference. First operand 97 states and 111 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:42,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:42,935 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2022-02-20 23:37:42,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-20 23:37:42,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-02-20 23:37:42,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:42,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2022-02-20 23:37:42,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 111 transitions. [2022-02-20 23:37:42,939 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 111 transitions. [2022-02-20 23:37:43,024 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 111 edges. 111 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:43,026 INFO L225 Difference]: With dead ends: 120 [2022-02-20 23:37:43,026 INFO L226 Difference]: Without dead ends: 120 [2022-02-20 23:37:43,026 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-20 23:37:43,027 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 68 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:43,027 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 114 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2022-02-20 23:37:43,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-02-20 23:37:43,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 102. [2022-02-20 23:37:43,031 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:43,032 INFO L82 GeneralOperation]: Start isEquivalent. First operand 120 states. Second operand has 102 states, 75 states have (on average 1.44) internal successors, (108), 95 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:43,032 INFO L74 IsIncluded]: Start isIncluded. First operand 120 states. Second operand has 102 states, 75 states have (on average 1.44) internal successors, (108), 95 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:43,032 INFO L87 Difference]: Start difference. First operand 120 states. Second operand has 102 states, 75 states have (on average 1.44) internal successors, (108), 95 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:43,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:43,035 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2022-02-20 23:37:43,035 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-02-20 23:37:43,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:43,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:43,036 INFO L74 IsIncluded]: Start isIncluded. First operand has 102 states, 75 states have (on average 1.44) internal successors, (108), 95 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 120 states. [2022-02-20 23:37:43,037 INFO L87 Difference]: Start difference. First operand has 102 states, 75 states have (on average 1.44) internal successors, (108), 95 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 120 states. [2022-02-20 23:37:43,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:43,040 INFO L93 Difference]: Finished difference Result 120 states and 137 transitions. [2022-02-20 23:37:43,040 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 137 transitions. [2022-02-20 23:37:43,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:43,040 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:43,040 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:43,040 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 75 states have (on average 1.44) internal successors, (108), 95 states have internal predecessors, (108), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 115 transitions. [2022-02-20 23:37:43,043 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 115 transitions. Word has length 38 [2022-02-20 23:37:43,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:43,043 INFO L470 AbstractCegarLoop]: Abstraction has 102 states and 115 transitions. [2022-02-20 23:37:43,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 115 transitions. [2022-02-20 23:37:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-20 23:37:43,044 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:43,045 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-02-20 23:37:43,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-20 23:37:43,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:43,259 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:43,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:43,260 INFO L85 PathProgramCache]: Analyzing trace with hash 707774999, now seen corresponding path program 1 times [2022-02-20 23:37:43,260 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:43,260 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42059961] [2022-02-20 23:37:43,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:43,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:43,487 INFO L290 TraceCheckUtils]: 0: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:43,490 INFO L290 TraceCheckUtils]: 1: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:43,490 INFO L290 TraceCheckUtils]: 2: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:43,490 INFO L290 TraceCheckUtils]: 3: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:43,491 INFO L290 TraceCheckUtils]: 4: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:43,491 INFO L290 TraceCheckUtils]: 5: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:43,491 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3712#true} {3712#true} #190#return; {3712#true} is VALID [2022-02-20 23:37:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:43,503 INFO L290 TraceCheckUtils]: 0: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:43,503 INFO L290 TraceCheckUtils]: 1: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:43,503 INFO L290 TraceCheckUtils]: 2: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:43,504 INFO L290 TraceCheckUtils]: 3: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:43,504 INFO L290 TraceCheckUtils]: 4: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:43,504 INFO L290 TraceCheckUtils]: 5: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:43,505 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {3712#true} {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #194#return; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,505 INFO L290 TraceCheckUtils]: 0: Hoare triple {3712#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(22, 2); {3712#true} is VALID [2022-02-20 23:37:43,505 INFO L290 TraceCheckUtils]: 1: Hoare triple {3712#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {3712#true} is VALID [2022-02-20 23:37:43,505 INFO L272 TraceCheckUtils]: 2: Hoare triple {3712#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {3712#true} is VALID [2022-02-20 23:37:43,506 INFO L290 TraceCheckUtils]: 3: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:43,506 INFO L290 TraceCheckUtils]: 4: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:43,506 INFO L290 TraceCheckUtils]: 5: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:43,506 INFO L290 TraceCheckUtils]: 6: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:43,506 INFO L290 TraceCheckUtils]: 7: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:43,506 INFO L290 TraceCheckUtils]: 8: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:43,507 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3712#true} {3712#true} #190#return; {3712#true} is VALID [2022-02-20 23:37:43,508 INFO L290 TraceCheckUtils]: 10: Hoare triple {3712#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,508 INFO L290 TraceCheckUtils]: 11: Hoare triple {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,509 INFO L290 TraceCheckUtils]: 12: Hoare triple {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,510 INFO L290 TraceCheckUtils]: 13: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,510 INFO L290 TraceCheckUtils]: 14: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,511 INFO L290 TraceCheckUtils]: 15: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~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; {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:43,512 INFO L290 TraceCheckUtils]: 16: Hoare triple {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:43,513 INFO L290 TraceCheckUtils]: 17: Hoare triple {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3724#(and (or (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,513 INFO L290 TraceCheckUtils]: 18: Hoare triple {3724#(and (or (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3724#(and (or (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,514 INFO L290 TraceCheckUtils]: 19: Hoare triple {3724#(and (or (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3725#(and (or (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,515 INFO L290 TraceCheckUtils]: 20: Hoare triple {3725#(and (or (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_main_~#s~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3726#(and (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,516 INFO L290 TraceCheckUtils]: 21: Hoare triple {3726#(and (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3726#(and (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,516 INFO L290 TraceCheckUtils]: 22: Hoare triple {3726#(and (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {3726#(and (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,517 INFO L290 TraceCheckUtils]: 23: Hoare triple {3726#(and (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3727#(and (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,518 INFO L290 TraceCheckUtils]: 24: Hoare triple {3727#(and (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|))) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,518 INFO L272 TraceCheckUtils]: 25: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {3712#true} is VALID [2022-02-20 23:37:43,518 INFO L290 TraceCheckUtils]: 26: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:43,518 INFO L290 TraceCheckUtils]: 27: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:43,518 INFO L290 TraceCheckUtils]: 28: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:43,518 INFO L290 TraceCheckUtils]: 29: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:43,519 INFO L290 TraceCheckUtils]: 30: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:43,519 INFO L290 TraceCheckUtils]: 31: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:43,520 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3712#true} {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #194#return; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,520 INFO L290 TraceCheckUtils]: 33: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,521 INFO L290 TraceCheckUtils]: 34: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,521 INFO L290 TraceCheckUtils]: 35: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !main_#t~short19#1; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,522 INFO L290 TraceCheckUtils]: 36: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:43,522 INFO L290 TraceCheckUtils]: 37: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(4 + main_~#s~0#1.offset <= #length[main_~#s~0#1.base] && 0 <= main_~#s~0#1.offset); {3713#false} is VALID [2022-02-20 23:37:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:37:43,523 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:43,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42059961] [2022-02-20 23:37:43,523 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42059961] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:37:43,523 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179902677] [2022-02-20 23:37:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:43,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:43,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:43,525 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:37:43,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-20 23:37:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:43,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 26 conjunts are in the unsatisfiable core [2022-02-20 23:37:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:43,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:37:43,680 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 23:37:43,689 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 23:37:43,734 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:37:43,735 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 23:37:43,771 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:37:43,772 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 [2022-02-20 23:37:43,847 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-20 23:37:43,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-02-20 23:37:43,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:37:44,065 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:37:44,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 21 [2022-02-20 23:37:44,224 INFO L290 TraceCheckUtils]: 0: Hoare triple {3712#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(22, 2); {3712#true} is VALID [2022-02-20 23:37:44,224 INFO L290 TraceCheckUtils]: 1: Hoare triple {3712#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L272 TraceCheckUtils]: 2: Hoare triple {3712#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L290 TraceCheckUtils]: 3: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L290 TraceCheckUtils]: 4: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L290 TraceCheckUtils]: 5: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L290 TraceCheckUtils]: 6: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L290 TraceCheckUtils]: 7: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L290 TraceCheckUtils]: 8: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:44,225 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3712#true} {3712#true} #190#return; {3712#true} is VALID [2022-02-20 23:37:44,227 INFO L290 TraceCheckUtils]: 10: Hoare triple {3712#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,228 INFO L290 TraceCheckUtils]: 11: Hoare triple {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,228 INFO L290 TraceCheckUtils]: 12: Hoare triple {3721#(and (= (select |#valid| |ULTIMATE.start_main_~#s~0#1.base|) 1) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,229 INFO L290 TraceCheckUtils]: 13: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,229 INFO L290 TraceCheckUtils]: 14: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,230 INFO L290 TraceCheckUtils]: 15: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~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; {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:44,235 INFO L290 TraceCheckUtils]: 16: Hoare triple {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:44,235 INFO L290 TraceCheckUtils]: 17: Hoare triple {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3790#(and (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:44,236 INFO L290 TraceCheckUtils]: 18: Hoare triple {3790#(and (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3790#(and (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:44,237 INFO L290 TraceCheckUtils]: 19: Hoare triple {3790#(and (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3797#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,237 INFO L290 TraceCheckUtils]: 20: Hoare triple {3797#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (or (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3801#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} is VALID [2022-02-20 23:37:44,238 INFO L290 TraceCheckUtils]: 21: Hoare triple {3801#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3801#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} is VALID [2022-02-20 23:37:44,238 INFO L290 TraceCheckUtils]: 22: Hoare triple {3801#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {3801#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} is VALID [2022-02-20 23:37:44,239 INFO L290 TraceCheckUtils]: 23: Hoare triple {3801#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3811#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_#res#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} is VALID [2022-02-20 23:37:44,239 INFO L290 TraceCheckUtils]: 24: Hoare triple {3811#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (or (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_#res#1.base|) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|))))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,240 INFO L272 TraceCheckUtils]: 25: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,241 INFO L290 TraceCheckUtils]: 26: Hoare triple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,241 INFO L290 TraceCheckUtils]: 27: Hoare triple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} #t~short13 := ~len~1 < ~until; {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,241 INFO L290 TraceCheckUtils]: 28: Hoare triple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,242 INFO L290 TraceCheckUtils]: 29: Hoare triple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,242 INFO L290 TraceCheckUtils]: 30: Hoare triple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} #res := ~len~1; {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,242 INFO L290 TraceCheckUtils]: 31: Hoare triple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} assume true; {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} is VALID [2022-02-20 23:37:44,243 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3818#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2| Int)) (<= 4 (select |#length| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_2|)))} {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} #194#return; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,243 INFO L290 TraceCheckUtils]: 33: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,244 INFO L290 TraceCheckUtils]: 34: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,244 INFO L290 TraceCheckUtils]: 35: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !main_#t~short19#1; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,245 INFO L290 TraceCheckUtils]: 36: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:44,245 INFO L290 TraceCheckUtils]: 37: Hoare triple {3728#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(4 + main_~#s~0#1.offset <= #length[main_~#s~0#1.base] && 0 <= main_~#s~0#1.offset); {3713#false} is VALID [2022-02-20 23:37:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:37:44,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:37:44,489 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 30 treesize of output 26 [2022-02-20 23:37:45,000 INFO L290 TraceCheckUtils]: 37: Hoare triple {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} assume !(4 + main_~#s~0#1.offset <= #length[main_~#s~0#1.base] && 0 <= main_~#s~0#1.offset); {3713#false} is VALID [2022-02-20 23:37:45,000 INFO L290 TraceCheckUtils]: 36: Hoare triple {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} is VALID [2022-02-20 23:37:45,001 INFO L290 TraceCheckUtils]: 35: Hoare triple {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} assume !main_#t~short19#1; {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} is VALID [2022-02-20 23:37:45,001 INFO L290 TraceCheckUtils]: 34: Hoare triple {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} is VALID [2022-02-20 23:37:45,002 INFO L290 TraceCheckUtils]: 33: Hoare triple {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} is VALID [2022-02-20 23:37:45,003 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {3712#true} {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} #194#return; {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} is VALID [2022-02-20 23:37:45,003 INFO L290 TraceCheckUtils]: 31: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:45,003 INFO L290 TraceCheckUtils]: 30: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:45,003 INFO L290 TraceCheckUtils]: 29: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:45,003 INFO L290 TraceCheckUtils]: 28: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:45,004 INFO L290 TraceCheckUtils]: 27: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:45,004 INFO L290 TraceCheckUtils]: 26: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:45,004 INFO L272 TraceCheckUtils]: 25: Hoare triple {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {3712#true} is VALID [2022-02-20 23:37:45,004 INFO L290 TraceCheckUtils]: 24: Hoare triple {3895#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|)) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {3855#(and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|))} is VALID [2022-02-20 23:37:45,005 INFO L290 TraceCheckUtils]: 23: Hoare triple {3899#(or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {3895#(or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|)) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} is VALID [2022-02-20 23:37:45,005 INFO L290 TraceCheckUtils]: 22: Hoare triple {3899#(or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {3899#(or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} is VALID [2022-02-20 23:37:45,006 INFO L290 TraceCheckUtils]: 21: Hoare triple {3899#(or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3899#(or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} is VALID [2022-02-20 23:37:45,006 INFO L290 TraceCheckUtils]: 20: Hoare triple {3909#(or (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {3899#(or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)))} is VALID [2022-02-20 23:37:45,012 INFO L290 TraceCheckUtils]: 19: Hoare triple {3913#(or (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)) (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3909#(or (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)) (not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:45,012 INFO L290 TraceCheckUtils]: 18: Hoare triple {3913#(or (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)) (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3913#(or (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)) (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} is VALID [2022-02-20 23:37:45,013 INFO L290 TraceCheckUtils]: 17: Hoare triple {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3913#(or (and (<= (+ |ULTIMATE.start_main_~#s~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (<= 0 |ULTIMATE.start_main_~#s~0#1.offset|)) (and (= |ULTIMATE.start_main_~#s~0#1.offset| |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))} is VALID [2022-02-20 23:37:45,014 INFO L290 TraceCheckUtils]: 16: Hoare triple {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:45,014 INFO L290 TraceCheckUtils]: 15: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~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; {3723#(and (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_main_~#s~0#1.base|)))} is VALID [2022-02-20 23:37:45,015 INFO L290 TraceCheckUtils]: 14: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:45,016 INFO L290 TraceCheckUtils]: 13: Hoare triple {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:45,017 INFO L290 TraceCheckUtils]: 12: Hoare triple {3935#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12|) 0)) (and (forall ((v_ArrVal_124 Int)) (<= 4 (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| v_ArrVal_124) |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {3722#(and (not (= |ULTIMATE.start_main_~#s~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (<= 4 (select |#length| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))} is VALID [2022-02-20 23:37:45,018 INFO L290 TraceCheckUtils]: 11: Hoare triple {3935#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12|) 0)) (and (forall ((v_ArrVal_124 Int)) (<= 4 (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| v_ArrVal_124) |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {3935#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12|) 0)) (and (forall ((v_ArrVal_124 Int)) (<= 4 (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| v_ArrVal_124) |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))))} is VALID [2022-02-20 23:37:45,021 INFO L290 TraceCheckUtils]: 10: Hoare triple {3712#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {3935#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12|) 0)) (and (forall ((v_ArrVal_124 Int)) (<= 4 (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| v_ArrVal_124) |ULTIMATE.start_main_~#s~0#1.base|))) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_12| |ULTIMATE.start_main_~#s~0#1.base|)) (= |ULTIMATE.start_main_~#s~0#1.offset| 0))))} is VALID [2022-02-20 23:37:45,022 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {3712#true} {3712#true} #190#return; {3712#true} is VALID [2022-02-20 23:37:45,025 INFO L290 TraceCheckUtils]: 8: Hoare triple {3712#true} assume true; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 7: Hoare triple {3712#true} #res := ~len~1; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 6: Hoare triple {3712#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 5: Hoare triple {3712#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 4: Hoare triple {3712#true} #t~short13 := ~len~1 < ~until; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 3: Hoare triple {3712#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L272 TraceCheckUtils]: 2: Hoare triple {3712#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 1: Hoare triple {3712#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {3712#true} is VALID [2022-02-20 23:37:45,026 INFO L290 TraceCheckUtils]: 0: Hoare triple {3712#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(22, 2); {3712#true} is VALID [2022-02-20 23:37:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:37:45,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179902677] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:37:45,027 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:37:45,027 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 20 [2022-02-20 23:37:45,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260098168] [2022-02-20 23:37:45,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:37:45,029 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2022-02-20 23:37:45,030 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:45,030 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:45,088 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 66 edges. 66 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:45,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-02-20 23:37:45,088 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:45,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-02-20 23:37:45,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2022-02-20 23:37:45,089 INFO L87 Difference]: Start difference. First operand 102 states and 115 transitions. Second operand has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:46,222 INFO L93 Difference]: Finished difference Result 112 states and 126 transitions. [2022-02-20 23:37:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-02-20 23:37:46,222 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2022-02-20 23:37:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:46,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 114 transitions. [2022-02-20 23:37:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 114 transitions. [2022-02-20 23:37:46,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 114 transitions. [2022-02-20 23:37:46,326 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 23:37:46,327 INFO L225 Difference]: With dead ends: 112 [2022-02-20 23:37:46,327 INFO L226 Difference]: Without dead ends: 112 [2022-02-20 23:37:46,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 66 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=218, Invalid=484, Unknown=0, NotChecked=0, Total=702 [2022-02-20 23:37:46,328 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 377 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:46,328 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [378 Valid, 587 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 274 Invalid, 0 Unknown, 39 Unchecked, 0.3s Time] [2022-02-20 23:37:46,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-02-20 23:37:46,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 100. [2022-02-20 23:37:46,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:46,331 INFO L82 GeneralOperation]: Start isEquivalent. First operand 112 states. Second operand has 100 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 93 states have internal predecessors, (106), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,332 INFO L74 IsIncluded]: Start isIncluded. First operand 112 states. Second operand has 100 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 93 states have internal predecessors, (106), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,332 INFO L87 Difference]: Start difference. First operand 112 states. Second operand has 100 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 93 states have internal predecessors, (106), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:46,334 INFO L93 Difference]: Finished difference Result 112 states and 126 transitions. [2022-02-20 23:37:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-02-20 23:37:46,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:46,335 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:46,339 INFO L74 IsIncluded]: Start isIncluded. First operand has 100 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 93 states have internal predecessors, (106), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 112 states. [2022-02-20 23:37:46,346 INFO L87 Difference]: Start difference. First operand has 100 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 93 states have internal predecessors, (106), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 112 states. [2022-02-20 23:37:46,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:46,348 INFO L93 Difference]: Finished difference Result 112 states and 126 transitions. [2022-02-20 23:37:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 126 transitions. [2022-02-20 23:37:46,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:46,349 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:46,349 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:46,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:46,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 93 states have internal predecessors, (106), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2022-02-20 23:37:46,354 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 38 [2022-02-20 23:37:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:46,354 INFO L470 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2022-02-20 23:37:46,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 2.9) internal successors, (58), 21 states have internal predecessors, (58), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2022-02-20 23:37:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-20 23:37:46,355 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:46,355 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-02-20 23:37:46,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-20 23:37:46,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:46,579 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:46,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:46,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1330608943, now seen corresponding path program 1 times [2022-02-20 23:37:46,580 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:46,580 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455560134] [2022-02-20 23:37:46,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:46,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:46,653 INFO L290 TraceCheckUtils]: 0: Hoare triple {4420#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {4420#true} is VALID [2022-02-20 23:37:46,653 INFO L290 TraceCheckUtils]: 1: Hoare triple {4420#true} #t~short13 := ~len~1 < ~until; {4420#true} is VALID [2022-02-20 23:37:46,653 INFO L290 TraceCheckUtils]: 2: Hoare triple {4420#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {4420#true} is VALID [2022-02-20 23:37:46,653 INFO L290 TraceCheckUtils]: 3: Hoare triple {4420#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {4420#true} is VALID [2022-02-20 23:37:46,653 INFO L290 TraceCheckUtils]: 4: Hoare triple {4420#true} #res := ~len~1; {4420#true} is VALID [2022-02-20 23:37:46,653 INFO L290 TraceCheckUtils]: 5: Hoare triple {4420#true} assume true; {4420#true} is VALID [2022-02-20 23:37:46,654 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4420#true} {4420#true} #190#return; {4420#true} is VALID [2022-02-20 23:37:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:46,660 INFO L290 TraceCheckUtils]: 0: Hoare triple {4420#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {4420#true} is VALID [2022-02-20 23:37:46,661 INFO L290 TraceCheckUtils]: 1: Hoare triple {4420#true} #t~short13 := ~len~1 < ~until; {4420#true} is VALID [2022-02-20 23:37:46,661 INFO L290 TraceCheckUtils]: 2: Hoare triple {4420#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {4420#true} is VALID [2022-02-20 23:37:46,661 INFO L290 TraceCheckUtils]: 3: Hoare triple {4420#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {4420#true} is VALID [2022-02-20 23:37:46,661 INFO L290 TraceCheckUtils]: 4: Hoare triple {4420#true} #res := ~len~1; {4420#true} is VALID [2022-02-20 23:37:46,661 INFO L290 TraceCheckUtils]: 5: Hoare triple {4420#true} assume true; {4420#true} is VALID [2022-02-20 23:37:46,662 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {4420#true} {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} #194#return; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,662 INFO L290 TraceCheckUtils]: 0: Hoare triple {4420#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(22, 2); {4420#true} is VALID [2022-02-20 23:37:46,662 INFO L290 TraceCheckUtils]: 1: Hoare triple {4420#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {4420#true} is VALID [2022-02-20 23:37:46,663 INFO L272 TraceCheckUtils]: 2: Hoare triple {4420#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {4420#true} is VALID [2022-02-20 23:37:46,663 INFO L290 TraceCheckUtils]: 3: Hoare triple {4420#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {4420#true} is VALID [2022-02-20 23:37:46,663 INFO L290 TraceCheckUtils]: 4: Hoare triple {4420#true} #t~short13 := ~len~1 < ~until; {4420#true} is VALID [2022-02-20 23:37:46,663 INFO L290 TraceCheckUtils]: 5: Hoare triple {4420#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {4420#true} is VALID [2022-02-20 23:37:46,663 INFO L290 TraceCheckUtils]: 6: Hoare triple {4420#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {4420#true} is VALID [2022-02-20 23:37:46,663 INFO L290 TraceCheckUtils]: 7: Hoare triple {4420#true} #res := ~len~1; {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L290 TraceCheckUtils]: 8: Hoare triple {4420#true} assume true; {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {4420#true} {4420#true} #190#return; {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L290 TraceCheckUtils]: 10: Hoare triple {4420#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L290 TraceCheckUtils]: 11: Hoare triple {4420#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L290 TraceCheckUtils]: 12: Hoare triple {4420#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L290 TraceCheckUtils]: 13: Hoare triple {4420#true} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {4420#true} is VALID [2022-02-20 23:37:46,664 INFO L290 TraceCheckUtils]: 14: Hoare triple {4420#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {4420#true} is VALID [2022-02-20 23:37:46,665 INFO L290 TraceCheckUtils]: 15: Hoare triple {4420#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4420#true} is VALID [2022-02-20 23:37:46,665 INFO L290 TraceCheckUtils]: 16: Hoare triple {4420#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {4420#true} is VALID [2022-02-20 23:37:46,665 INFO L290 TraceCheckUtils]: 17: Hoare triple {4420#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {4420#true} is VALID [2022-02-20 23:37:46,665 INFO L290 TraceCheckUtils]: 18: Hoare triple {4420#true} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {4420#true} is VALID [2022-02-20 23:37:46,666 INFO L290 TraceCheckUtils]: 19: Hoare triple {4420#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {4429#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:46,666 INFO L290 TraceCheckUtils]: 20: Hoare triple {4429#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {4430#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:46,666 INFO L290 TraceCheckUtils]: 21: Hoare triple {4430#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {4430#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:46,667 INFO L290 TraceCheckUtils]: 22: Hoare triple {4430#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {4430#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:46,667 INFO L290 TraceCheckUtils]: 23: Hoare triple {4430#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {4431#(= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1)} is VALID [2022-02-20 23:37:46,668 INFO L290 TraceCheckUtils]: 24: Hoare triple {4431#(= (select |#valid| |ULTIMATE.start_sll_create_#res#1.base|) 1)} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,668 INFO L272 TraceCheckUtils]: 25: Hoare triple {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {4420#true} is VALID [2022-02-20 23:37:46,668 INFO L290 TraceCheckUtils]: 26: Hoare triple {4420#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {4420#true} is VALID [2022-02-20 23:37:46,668 INFO L290 TraceCheckUtils]: 27: Hoare triple {4420#true} #t~short13 := ~len~1 < ~until; {4420#true} is VALID [2022-02-20 23:37:46,668 INFO L290 TraceCheckUtils]: 28: Hoare triple {4420#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {4420#true} is VALID [2022-02-20 23:37:46,668 INFO L290 TraceCheckUtils]: 29: Hoare triple {4420#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {4420#true} is VALID [2022-02-20 23:37:46,669 INFO L290 TraceCheckUtils]: 30: Hoare triple {4420#true} #res := ~len~1; {4420#true} is VALID [2022-02-20 23:37:46,669 INFO L290 TraceCheckUtils]: 31: Hoare triple {4420#true} assume true; {4420#true} is VALID [2022-02-20 23:37:46,670 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {4420#true} {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} #194#return; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,670 INFO L290 TraceCheckUtils]: 33: Hoare triple {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,670 INFO L290 TraceCheckUtils]: 34: Hoare triple {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,671 INFO L290 TraceCheckUtils]: 35: Hoare triple {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} assume !main_#t~short19#1; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,671 INFO L290 TraceCheckUtils]: 36: Hoare triple {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:46,672 INFO L290 TraceCheckUtils]: 37: Hoare triple {4432#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 1)} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {4440#(= (select |#valid| |ULTIMATE.start_main_#t~mem22#1.base|) 1)} is VALID [2022-02-20 23:37:46,672 INFO L290 TraceCheckUtils]: 38: Hoare triple {4440#(= (select |#valid| |ULTIMATE.start_main_#t~mem22#1.base|) 1)} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {4441#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:46,673 INFO L290 TraceCheckUtils]: 39: Hoare triple {4441#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {4441#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:46,673 INFO L290 TraceCheckUtils]: 40: Hoare triple {4441#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !(1 == #valid[sll_length_~head#1.base]); {4421#false} is VALID [2022-02-20 23:37:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-20 23:37:46,673 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:46,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455560134] [2022-02-20 23:37:46,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455560134] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:46,674 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:46,674 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:37:46,674 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103615741] [2022-02-20 23:37:46,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:46,675 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-02-20 23:37:46,675 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:46,675 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:46,697 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:46,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:37:46,697 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:46,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:37:46,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:37:46,698 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:47,352 INFO L93 Difference]: Finished difference Result 181 states and 203 transitions. [2022-02-20 23:37:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:37:47,352 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-02-20 23:37:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:47,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 181 transitions. [2022-02-20 23:37:47,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 181 transitions. [2022-02-20 23:37:47,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 181 transitions. [2022-02-20 23:37:47,510 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 181 edges. 181 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:47,513 INFO L225 Difference]: With dead ends: 181 [2022-02-20 23:37:47,513 INFO L226 Difference]: Without dead ends: 181 [2022-02-20 23:37:47,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-20 23:37:47,514 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 487 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:47,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [487 Valid, 276 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:37:47,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-02-20 23:37:47,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 108. [2022-02-20 23:37:47,518 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:47,518 INFO L82 GeneralOperation]: Start isEquivalent. First operand 181 states. Second operand has 108 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 101 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:47,519 INFO L74 IsIncluded]: Start isIncluded. First operand 181 states. Second operand has 108 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 101 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:47,519 INFO L87 Difference]: Start difference. First operand 181 states. Second operand has 108 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 101 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:47,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:47,522 INFO L93 Difference]: Finished difference Result 181 states and 203 transitions. [2022-02-20 23:37:47,522 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 203 transitions. [2022-02-20 23:37:47,523 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:47,523 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:47,523 INFO L74 IsIncluded]: Start isIncluded. First operand has 108 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 101 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 181 states. [2022-02-20 23:37:47,524 INFO L87 Difference]: Start difference. First operand has 108 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 101 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 181 states. [2022-02-20 23:37:47,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:47,527 INFO L93 Difference]: Finished difference Result 181 states and 203 transitions. [2022-02-20 23:37:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 203 transitions. [2022-02-20 23:37:47,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:47,528 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:47,528 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:47,528 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 101 states have internal predecessors, (118), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:47,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2022-02-20 23:37:47,530 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 41 [2022-02-20 23:37:47,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:47,530 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2022-02-20 23:37:47,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2022-02-20 23:37:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-20 23:37:47,531 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:47,531 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-02-20 23:37:47,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-20 23:37:47,532 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:47,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1330608944, now seen corresponding path program 1 times [2022-02-20 23:37:47,532 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:47,532 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408099731] [2022-02-20 23:37:47,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:47,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:47,625 INFO L290 TraceCheckUtils]: 0: Hoare triple {5110#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5110#true} is VALID [2022-02-20 23:37:47,625 INFO L290 TraceCheckUtils]: 1: Hoare triple {5110#true} #t~short13 := ~len~1 < ~until; {5110#true} is VALID [2022-02-20 23:37:47,625 INFO L290 TraceCheckUtils]: 2: Hoare triple {5110#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5110#true} is VALID [2022-02-20 23:37:47,625 INFO L290 TraceCheckUtils]: 3: Hoare triple {5110#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5110#true} is VALID [2022-02-20 23:37:47,626 INFO L290 TraceCheckUtils]: 4: Hoare triple {5110#true} #res := ~len~1; {5110#true} is VALID [2022-02-20 23:37:47,626 INFO L290 TraceCheckUtils]: 5: Hoare triple {5110#true} assume true; {5110#true} is VALID [2022-02-20 23:37:47,626 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5110#true} {5110#true} #190#return; {5110#true} is VALID [2022-02-20 23:37:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:47,631 INFO L290 TraceCheckUtils]: 0: Hoare triple {5110#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5110#true} is VALID [2022-02-20 23:37:47,631 INFO L290 TraceCheckUtils]: 1: Hoare triple {5110#true} #t~short13 := ~len~1 < ~until; {5110#true} is VALID [2022-02-20 23:37:47,631 INFO L290 TraceCheckUtils]: 2: Hoare triple {5110#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5110#true} is VALID [2022-02-20 23:37:47,632 INFO L290 TraceCheckUtils]: 3: Hoare triple {5110#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5110#true} is VALID [2022-02-20 23:37:47,632 INFO L290 TraceCheckUtils]: 4: Hoare triple {5110#true} #res := ~len~1; {5110#true} is VALID [2022-02-20 23:37:47,632 INFO L290 TraceCheckUtils]: 5: Hoare triple {5110#true} assume true; {5110#true} is VALID [2022-02-20 23:37:47,633 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5110#true} {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} #194#return; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,633 INFO L290 TraceCheckUtils]: 0: Hoare triple {5110#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(22, 2); {5110#true} is VALID [2022-02-20 23:37:47,633 INFO L290 TraceCheckUtils]: 1: Hoare triple {5110#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {5110#true} is VALID [2022-02-20 23:37:47,633 INFO L272 TraceCheckUtils]: 2: Hoare triple {5110#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {5110#true} is VALID [2022-02-20 23:37:47,633 INFO L290 TraceCheckUtils]: 3: Hoare triple {5110#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L290 TraceCheckUtils]: 4: Hoare triple {5110#true} #t~short13 := ~len~1 < ~until; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L290 TraceCheckUtils]: 5: Hoare triple {5110#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L290 TraceCheckUtils]: 6: Hoare triple {5110#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L290 TraceCheckUtils]: 7: Hoare triple {5110#true} #res := ~len~1; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L290 TraceCheckUtils]: 8: Hoare triple {5110#true} assume true; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {5110#true} {5110#true} #190#return; {5110#true} is VALID [2022-02-20 23:37:47,634 INFO L290 TraceCheckUtils]: 10: Hoare triple {5110#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {5110#true} is VALID [2022-02-20 23:37:47,635 INFO L290 TraceCheckUtils]: 11: Hoare triple {5110#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {5110#true} is VALID [2022-02-20 23:37:47,635 INFO L290 TraceCheckUtils]: 12: Hoare triple {5110#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {5110#true} is VALID [2022-02-20 23:37:47,635 INFO L290 TraceCheckUtils]: 13: Hoare triple {5110#true} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {5110#true} is VALID [2022-02-20 23:37:47,635 INFO L290 TraceCheckUtils]: 14: Hoare triple {5110#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {5110#true} is VALID [2022-02-20 23:37:47,635 INFO L290 TraceCheckUtils]: 15: Hoare triple {5110#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5110#true} is VALID [2022-02-20 23:37:47,636 INFO L290 TraceCheckUtils]: 16: Hoare triple {5110#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {5110#true} is VALID [2022-02-20 23:37:47,636 INFO L290 TraceCheckUtils]: 17: Hoare triple {5110#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {5119#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:47,637 INFO L290 TraceCheckUtils]: 18: Hoare triple {5119#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {5119#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:47,637 INFO L290 TraceCheckUtils]: 19: Hoare triple {5119#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {5119#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:47,638 INFO L290 TraceCheckUtils]: 20: Hoare triple {5119#(and (= (select |#length| |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; {5120#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:47,638 INFO L290 TraceCheckUtils]: 21: Hoare triple {5120#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {5120#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:47,639 INFO L290 TraceCheckUtils]: 22: Hoare triple {5120#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {5120#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:47,639 INFO L290 TraceCheckUtils]: 23: Hoare triple {5120#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |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; {5121#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_create_#res#1.base|) 4))} is VALID [2022-02-20 23:37:47,640 INFO L290 TraceCheckUtils]: 24: Hoare triple {5121#(and (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select |#length| |ULTIMATE.start_sll_create_#res#1.base|) 4))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,640 INFO L272 TraceCheckUtils]: 25: Hoare triple {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {5110#true} is VALID [2022-02-20 23:37:47,640 INFO L290 TraceCheckUtils]: 26: Hoare triple {5110#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5110#true} is VALID [2022-02-20 23:37:47,640 INFO L290 TraceCheckUtils]: 27: Hoare triple {5110#true} #t~short13 := ~len~1 < ~until; {5110#true} is VALID [2022-02-20 23:37:47,640 INFO L290 TraceCheckUtils]: 28: Hoare triple {5110#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5110#true} is VALID [2022-02-20 23:37:47,640 INFO L290 TraceCheckUtils]: 29: Hoare triple {5110#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5110#true} is VALID [2022-02-20 23:37:47,641 INFO L290 TraceCheckUtils]: 30: Hoare triple {5110#true} #res := ~len~1; {5110#true} is VALID [2022-02-20 23:37:47,641 INFO L290 TraceCheckUtils]: 31: Hoare triple {5110#true} assume true; {5110#true} is VALID [2022-02-20 23:37:47,641 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5110#true} {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} #194#return; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,642 INFO L290 TraceCheckUtils]: 33: Hoare triple {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,642 INFO L290 TraceCheckUtils]: 34: Hoare triple {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,643 INFO L290 TraceCheckUtils]: 35: Hoare triple {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume !main_#t~short19#1; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,643 INFO L290 TraceCheckUtils]: 36: Hoare triple {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:47,644 INFO L290 TraceCheckUtils]: 37: Hoare triple {5122#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {5130#(and (= (select |#length| |ULTIMATE.start_main_#t~mem22#1.base|) 4) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:37:47,644 INFO L290 TraceCheckUtils]: 38: Hoare triple {5130#(and (= (select |#length| |ULTIMATE.start_main_#t~mem22#1.base|) 4) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {5131#(and (= (+ (- 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:47,645 INFO L290 TraceCheckUtils]: 39: Hoare triple {5131#(and (= (+ (- 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {5131#(and (= (+ (- 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:47,645 INFO L290 TraceCheckUtils]: 40: Hoare triple {5131#(and (= (+ (- 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !(4 + sll_length_~head#1.offset <= #length[sll_length_~head#1.base] && 0 <= sll_length_~head#1.offset); {5111#false} is VALID [2022-02-20 23:37:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 23:37:47,645 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:47,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408099731] [2022-02-20 23:37:47,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408099731] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:47,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:47,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-20 23:37:47,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615829782] [2022-02-20 23:37:47,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:47,647 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-02-20 23:37:47,647 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:47,647 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:47,669 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:47,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:37:47,669 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:37:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:37:47,670 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:48,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:48,440 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2022-02-20 23:37:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-02-20 23:37:48,440 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-02-20 23:37:48,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:48,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:48,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2022-02-20 23:37:48,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:48,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2022-02-20 23:37:48,444 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 169 transitions. [2022-02-20 23:37:48,609 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 169 edges. 169 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:48,611 INFO L225 Difference]: With dead ends: 171 [2022-02-20 23:37:48,611 INFO L226 Difference]: Without dead ends: 171 [2022-02-20 23:37:48,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2022-02-20 23:37:48,612 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 507 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:48,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [507 Valid, 260 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-02-20 23:37:48,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2022-02-20 23:37:48,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2022-02-20 23:37:48,622 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:48,623 INFO L82 GeneralOperation]: Start isEquivalent. First operand 171 states. Second operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 101 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:48,623 INFO L74 IsIncluded]: Start isIncluded. First operand 171 states. Second operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 101 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:48,623 INFO L87 Difference]: Start difference. First operand 171 states. Second operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 101 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:48,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:48,627 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2022-02-20 23:37:48,628 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 191 transitions. [2022-02-20 23:37:48,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:48,628 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:48,628 INFO L74 IsIncluded]: Start isIncluded. First operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 101 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 171 states. [2022-02-20 23:37:48,629 INFO L87 Difference]: Start difference. First operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 101 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 171 states. [2022-02-20 23:37:48,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:48,632 INFO L93 Difference]: Finished difference Result 171 states and 191 transitions. [2022-02-20 23:37:48,632 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 191 transitions. [2022-02-20 23:37:48,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:48,632 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:48,632 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:48,632 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 101 states have internal predecessors, (117), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2022-02-20 23:37:48,634 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 41 [2022-02-20 23:37:48,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:48,635 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2022-02-20 23:37:48,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2022-02-20 23:37:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:37:48,636 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:48,636 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1] [2022-02-20 23:37:48,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-20 23:37:48,637 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:48,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:48,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1916325917, now seen corresponding path program 1 times [2022-02-20 23:37:48,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:48,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081136278] [2022-02-20 23:37:48,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:48,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:48,712 INFO L290 TraceCheckUtils]: 0: Hoare triple {5770#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5770#true} is VALID [2022-02-20 23:37:48,713 INFO L290 TraceCheckUtils]: 1: Hoare triple {5770#true} #t~short13 := ~len~1 < ~until; {5770#true} is VALID [2022-02-20 23:37:48,713 INFO L290 TraceCheckUtils]: 2: Hoare triple {5770#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5770#true} is VALID [2022-02-20 23:37:48,713 INFO L290 TraceCheckUtils]: 3: Hoare triple {5770#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5770#true} is VALID [2022-02-20 23:37:48,713 INFO L290 TraceCheckUtils]: 4: Hoare triple {5770#true} #res := ~len~1; {5770#true} is VALID [2022-02-20 23:37:48,713 INFO L290 TraceCheckUtils]: 5: Hoare triple {5770#true} assume true; {5770#true} is VALID [2022-02-20 23:37:48,713 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5770#true} {5770#true} #190#return; {5770#true} is VALID [2022-02-20 23:37:48,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:48,719 INFO L290 TraceCheckUtils]: 0: Hoare triple {5770#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5770#true} is VALID [2022-02-20 23:37:48,719 INFO L290 TraceCheckUtils]: 1: Hoare triple {5770#true} #t~short13 := ~len~1 < ~until; {5770#true} is VALID [2022-02-20 23:37:48,719 INFO L290 TraceCheckUtils]: 2: Hoare triple {5770#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5770#true} is VALID [2022-02-20 23:37:48,719 INFO L290 TraceCheckUtils]: 3: Hoare triple {5770#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5770#true} is VALID [2022-02-20 23:37:48,720 INFO L290 TraceCheckUtils]: 4: Hoare triple {5770#true} #res := ~len~1; {5770#true} is VALID [2022-02-20 23:37:48,720 INFO L290 TraceCheckUtils]: 5: Hoare triple {5770#true} assume true; {5770#true} is VALID [2022-02-20 23:37:48,720 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {5770#true} {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} #194#return; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,721 INFO L290 TraceCheckUtils]: 0: Hoare triple {5770#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(22, 2); {5770#true} is VALID [2022-02-20 23:37:48,721 INFO L290 TraceCheckUtils]: 1: Hoare triple {5770#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {5770#true} is VALID [2022-02-20 23:37:48,721 INFO L272 TraceCheckUtils]: 2: Hoare triple {5770#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {5770#true} is VALID [2022-02-20 23:37:48,721 INFO L290 TraceCheckUtils]: 3: Hoare triple {5770#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5770#true} is VALID [2022-02-20 23:37:48,721 INFO L290 TraceCheckUtils]: 4: Hoare triple {5770#true} #t~short13 := ~len~1 < ~until; {5770#true} is VALID [2022-02-20 23:37:48,722 INFO L290 TraceCheckUtils]: 5: Hoare triple {5770#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5770#true} is VALID [2022-02-20 23:37:48,722 INFO L290 TraceCheckUtils]: 6: Hoare triple {5770#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5770#true} is VALID [2022-02-20 23:37:48,722 INFO L290 TraceCheckUtils]: 7: Hoare triple {5770#true} #res := ~len~1; {5770#true} is VALID [2022-02-20 23:37:48,722 INFO L290 TraceCheckUtils]: 8: Hoare triple {5770#true} assume true; {5770#true} is VALID [2022-02-20 23:37:48,722 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {5770#true} {5770#true} #190#return; {5770#true} is VALID [2022-02-20 23:37:48,722 INFO L290 TraceCheckUtils]: 10: Hoare triple {5770#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {5770#true} is VALID [2022-02-20 23:37:48,723 INFO L290 TraceCheckUtils]: 11: Hoare triple {5770#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {5770#true} is VALID [2022-02-20 23:37:48,723 INFO L290 TraceCheckUtils]: 12: Hoare triple {5770#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {5770#true} is VALID [2022-02-20 23:37:48,723 INFO L290 TraceCheckUtils]: 13: Hoare triple {5770#true} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {5770#true} is VALID [2022-02-20 23:37:48,723 INFO L290 TraceCheckUtils]: 14: Hoare triple {5770#true} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {5770#true} is VALID [2022-02-20 23:37:48,723 INFO L290 TraceCheckUtils]: 15: Hoare triple {5770#true} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5770#true} is VALID [2022-02-20 23:37:48,723 INFO L290 TraceCheckUtils]: 16: Hoare triple {5770#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {5770#true} is VALID [2022-02-20 23:37:48,724 INFO L290 TraceCheckUtils]: 17: Hoare triple {5770#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {5779#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:37:48,724 INFO L290 TraceCheckUtils]: 18: Hoare triple {5779#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {5779#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:37:48,724 INFO L290 TraceCheckUtils]: 19: Hoare triple {5779#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {5779#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:37:48,725 INFO L290 TraceCheckUtils]: 20: Hoare triple {5779#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {5780#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:37:48,725 INFO L290 TraceCheckUtils]: 21: Hoare triple {5780#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {5780#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:37:48,725 INFO L290 TraceCheckUtils]: 22: Hoare triple {5780#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {5780#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:37:48,726 INFO L290 TraceCheckUtils]: 23: Hoare triple {5780#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {5781#(not (= 0 |ULTIMATE.start_sll_create_#res#1.base|))} is VALID [2022-02-20 23:37:48,726 INFO L290 TraceCheckUtils]: 24: Hoare triple {5781#(not (= 0 |ULTIMATE.start_sll_create_#res#1.base|))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,727 INFO L272 TraceCheckUtils]: 25: Hoare triple {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {5770#true} is VALID [2022-02-20 23:37:48,727 INFO L290 TraceCheckUtils]: 26: Hoare triple {5770#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {5770#true} is VALID [2022-02-20 23:37:48,727 INFO L290 TraceCheckUtils]: 27: Hoare triple {5770#true} #t~short13 := ~len~1 < ~until; {5770#true} is VALID [2022-02-20 23:37:48,727 INFO L290 TraceCheckUtils]: 28: Hoare triple {5770#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {5770#true} is VALID [2022-02-20 23:37:48,727 INFO L290 TraceCheckUtils]: 29: Hoare triple {5770#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {5770#true} is VALID [2022-02-20 23:37:48,727 INFO L290 TraceCheckUtils]: 30: Hoare triple {5770#true} #res := ~len~1; {5770#true} is VALID [2022-02-20 23:37:48,727 INFO L290 TraceCheckUtils]: 31: Hoare triple {5770#true} assume true; {5770#true} is VALID [2022-02-20 23:37:48,728 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {5770#true} {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} #194#return; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,729 INFO L290 TraceCheckUtils]: 33: Hoare triple {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,729 INFO L290 TraceCheckUtils]: 34: Hoare triple {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,730 INFO L290 TraceCheckUtils]: 35: Hoare triple {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume !main_#t~short19#1; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,730 INFO L290 TraceCheckUtils]: 36: Hoare triple {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} is VALID [2022-02-20 23:37:48,730 INFO L290 TraceCheckUtils]: 37: Hoare triple {5782#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {5790#(not (= |ULTIMATE.start_main_#t~mem22#1.base| 0))} is VALID [2022-02-20 23:37:48,731 INFO L290 TraceCheckUtils]: 38: Hoare triple {5790#(not (= |ULTIMATE.start_main_#t~mem22#1.base| 0))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {5791#(not (= |ULTIMATE.start_sll_length_~head#1.base| 0))} is VALID [2022-02-20 23:37:48,731 INFO L290 TraceCheckUtils]: 39: Hoare triple {5791#(not (= |ULTIMATE.start_sll_length_~head#1.base| 0))} assume !(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0); {5771#false} is VALID [2022-02-20 23:37:48,731 INFO L290 TraceCheckUtils]: 40: Hoare triple {5771#false} sll_length_#res#1 := sll_length_~len~0#1; {5771#false} is VALID [2022-02-20 23:37:48,732 INFO L290 TraceCheckUtils]: 41: Hoare triple {5771#false} main_#t~ret23#1 := sll_length_#res#1;assume { :end_inline_sll_length } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647; {5771#false} is VALID [2022-02-20 23:37:48,732 INFO L290 TraceCheckUtils]: 42: Hoare triple {5771#false} assume main_~k~0#1 + main_~len~2#1 != main_#t~ret23#1;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~ret23#1; {5771#false} is VALID [2022-02-20 23:37:48,732 INFO L290 TraceCheckUtils]: 43: Hoare triple {5771#false} assume !false; {5771#false} is VALID [2022-02-20 23:37:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-02-20 23:37:48,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:48,733 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081136278] [2022-02-20 23:37:48,733 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081136278] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 23:37:48,733 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 23:37:48,733 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-02-20 23:37:48,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124343249] [2022-02-20 23:37:48,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 23:37:48,734 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-02-20 23:37:48,734 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:48,734 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:48,758 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:48,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-20 23:37:48,759 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:48,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-20 23:37:48,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-02-20 23:37:48,760 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:49,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:49,245 INFO L93 Difference]: Finished difference Result 150 states and 169 transitions. [2022-02-20 23:37:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 23:37:49,246 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2022-02-20 23:37:49,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2022-02-20 23:37:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 147 transitions. [2022-02-20 23:37:49,249 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 147 transitions. [2022-02-20 23:37:49,373 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 147 edges. 147 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:49,376 INFO L225 Difference]: With dead ends: 150 [2022-02-20 23:37:49,376 INFO L226 Difference]: Without dead ends: 150 [2022-02-20 23:37:49,376 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-02-20 23:37:49,376 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 409 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:49,377 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [409 Valid, 330 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-20 23:37:49,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-02-20 23:37:49,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 108. [2022-02-20 23:37:49,379 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:49,379 INFO L82 GeneralOperation]: Start isEquivalent. First operand 150 states. Second operand has 108 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 101 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:49,380 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand has 108 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 101 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:49,380 INFO L87 Difference]: Start difference. First operand 150 states. Second operand has 108 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 101 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:49,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:49,382 INFO L93 Difference]: Finished difference Result 150 states and 169 transitions. [2022-02-20 23:37:49,382 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 169 transitions. [2022-02-20 23:37:49,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:49,383 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:49,385 INFO L74 IsIncluded]: Start isIncluded. First operand has 108 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 101 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 150 states. [2022-02-20 23:37:49,387 INFO L87 Difference]: Start difference. First operand has 108 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 101 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 150 states. [2022-02-20 23:37:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:49,389 INFO L93 Difference]: Finished difference Result 150 states and 169 transitions. [2022-02-20 23:37:49,389 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 169 transitions. [2022-02-20 23:37:49,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:49,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:49,390 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:49,390 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 101 states have internal predecessors, (116), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 123 transitions. [2022-02-20 23:37:49,392 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 123 transitions. Word has length 44 [2022-02-20 23:37:49,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:49,393 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 123 transitions. [2022-02-20 23:37:49,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-02-20 23:37:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2022-02-20 23:37:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:37:49,393 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:49,394 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-02-20 23:37:49,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-20 23:37:49,394 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:49,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:49,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1917958211, now seen corresponding path program 1 times [2022-02-20 23:37:49,395 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:49,395 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797498423] [2022-02-20 23:37:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:49,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:49,549 INFO L290 TraceCheckUtils]: 0: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:49,549 INFO L290 TraceCheckUtils]: 1: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:49,550 INFO L290 TraceCheckUtils]: 2: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:49,550 INFO L290 TraceCheckUtils]: 3: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:49,550 INFO L290 TraceCheckUtils]: 4: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:49,550 INFO L290 TraceCheckUtils]: 5: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:49,550 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {6363#true} {6363#true} #190#return; {6363#true} is VALID [2022-02-20 23:37:49,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:49,560 INFO L290 TraceCheckUtils]: 0: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:49,560 INFO L290 TraceCheckUtils]: 1: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:49,560 INFO L290 TraceCheckUtils]: 2: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:49,560 INFO L290 TraceCheckUtils]: 3: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:49,560 INFO L290 TraceCheckUtils]: 4: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:49,560 INFO L290 TraceCheckUtils]: 5: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:49,561 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {6363#true} {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} #194#return; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,562 INFO L290 TraceCheckUtils]: 0: Hoare triple {6363#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(22, 2); {6363#true} is VALID [2022-02-20 23:37:49,562 INFO L290 TraceCheckUtils]: 1: Hoare triple {6363#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {6363#true} is VALID [2022-02-20 23:37:49,562 INFO L272 TraceCheckUtils]: 2: Hoare triple {6363#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {6363#true} is VALID [2022-02-20 23:37:49,562 INFO L290 TraceCheckUtils]: 3: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:49,563 INFO L290 TraceCheckUtils]: 4: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:49,563 INFO L290 TraceCheckUtils]: 5: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:49,563 INFO L290 TraceCheckUtils]: 6: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:49,563 INFO L290 TraceCheckUtils]: 7: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:49,563 INFO L290 TraceCheckUtils]: 8: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:49,563 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {6363#true} {6363#true} #190#return; {6363#true} is VALID [2022-02-20 23:37:49,564 INFO L290 TraceCheckUtils]: 10: Hoare triple {6363#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6363#true} is VALID [2022-02-20 23:37:49,564 INFO L290 TraceCheckUtils]: 11: Hoare triple {6363#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6363#true} is VALID [2022-02-20 23:37:49,564 INFO L290 TraceCheckUtils]: 12: Hoare triple {6363#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {6363#true} is VALID [2022-02-20 23:37:49,564 INFO L290 TraceCheckUtils]: 13: Hoare triple {6363#true} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {6363#true} is VALID [2022-02-20 23:37:49,575 INFO L290 TraceCheckUtils]: 14: Hoare triple {6363#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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {6372#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:49,576 INFO L290 TraceCheckUtils]: 15: Hoare triple {6372#(= (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; {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:49,576 INFO L290 TraceCheckUtils]: 16: Hoare triple {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:49,577 INFO L290 TraceCheckUtils]: 17: Hoare triple {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {6374#(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 23:37:49,577 INFO L290 TraceCheckUtils]: 18: Hoare triple {6374#(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|))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {6374#(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 23:37:49,578 INFO L290 TraceCheckUtils]: 19: Hoare triple {6374#(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$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {6375#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:49,579 INFO L290 TraceCheckUtils]: 20: Hoare triple {6375#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 1)} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6376#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:49,579 INFO L290 TraceCheckUtils]: 21: Hoare triple {6376#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6376#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:49,580 INFO L290 TraceCheckUtils]: 22: Hoare triple {6376#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {6376#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)} is VALID [2022-02-20 23:37:49,580 INFO L290 TraceCheckUtils]: 23: Hoare triple {6376#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6377#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 1)} is VALID [2022-02-20 23:37:49,581 INFO L290 TraceCheckUtils]: 24: Hoare triple {6377#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 1)} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,581 INFO L272 TraceCheckUtils]: 25: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {6363#true} is VALID [2022-02-20 23:37:49,581 INFO L290 TraceCheckUtils]: 26: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:49,581 INFO L290 TraceCheckUtils]: 27: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:49,581 INFO L290 TraceCheckUtils]: 28: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:49,581 INFO L290 TraceCheckUtils]: 29: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:49,582 INFO L290 TraceCheckUtils]: 30: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:49,582 INFO L290 TraceCheckUtils]: 31: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:49,583 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {6363#true} {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} #194#return; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,583 INFO L290 TraceCheckUtils]: 33: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,583 INFO L290 TraceCheckUtils]: 34: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,584 INFO L290 TraceCheckUtils]: 35: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} assume !main_#t~short19#1; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,584 INFO L290 TraceCheckUtils]: 36: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:49,585 INFO L290 TraceCheckUtils]: 37: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {6386#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 1)} is VALID [2022-02-20 23:37:49,585 INFO L290 TraceCheckUtils]: 38: Hoare triple {6386#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 1)} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:37:49,586 INFO L290 TraceCheckUtils]: 39: Hoare triple {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:37:49,587 INFO L290 TraceCheckUtils]: 40: Hoare triple {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {6388#(= (select |#valid| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 1)} is VALID [2022-02-20 23:37:49,587 INFO L290 TraceCheckUtils]: 41: Hoare triple {6388#(= (select |#valid| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 1)} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:49,587 INFO L290 TraceCheckUtils]: 42: Hoare triple {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:49,588 INFO L290 TraceCheckUtils]: 43: Hoare triple {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !(1 == #valid[sll_length_~head#1.base]); {6364#false} is VALID [2022-02-20 23:37:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:37:49,588 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:49,588 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797498423] [2022-02-20 23:37:49,589 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797498423] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:37:49,589 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665085426] [2022-02-20 23:37:49,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:49,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:49,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:49,590 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:37:49,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-20 23:37:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:49,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjunts are in the unsatisfiable core [2022-02-20 23:37:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:49,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:37:49,722 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 23:37:49,763 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-20 23:37:49,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-20 23:37:49,813 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:37:50,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-20 23:37:50,761 INFO L356 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2022-02-20 23:37:50,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 25 [2022-02-20 23:37:50,813 INFO L290 TraceCheckUtils]: 0: Hoare triple {6363#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(22, 2); {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 1: Hoare triple {6363#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L272 TraceCheckUtils]: 2: Hoare triple {6363#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 3: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 4: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 5: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 6: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 7: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 8: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {6363#true} {6363#true} #190#return; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 10: Hoare triple {6363#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6363#true} is VALID [2022-02-20 23:37:50,814 INFO L290 TraceCheckUtils]: 11: Hoare triple {6363#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6363#true} is VALID [2022-02-20 23:37:50,815 INFO L290 TraceCheckUtils]: 12: Hoare triple {6363#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {6372#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:50,815 INFO L290 TraceCheckUtils]: 13: Hoare triple {6372#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {6372#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:50,816 INFO L290 TraceCheckUtils]: 14: Hoare triple {6372#(= (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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {6372#(= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1)} is VALID [2022-02-20 23:37:50,816 INFO L290 TraceCheckUtils]: 15: Hoare triple {6372#(= (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; {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:50,816 INFO L290 TraceCheckUtils]: 16: Hoare triple {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:50,817 INFO L290 TraceCheckUtils]: 17: Hoare triple {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {6444#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (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 [2022-02-20 23:37:50,817 INFO L290 TraceCheckUtils]: 18: Hoare triple {6444#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (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))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {6444#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (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 [2022-02-20 23:37:50,818 INFO L290 TraceCheckUtils]: 19: Hoare triple {6444#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (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$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {6451#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 1) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:50,818 INFO L290 TraceCheckUtils]: 20: Hoare triple {6451#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 1) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6455#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:37:50,819 INFO L290 TraceCheckUtils]: 21: Hoare triple {6455#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6455#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:37:50,819 INFO L290 TraceCheckUtils]: 22: Hoare triple {6455#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {6455#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:37:50,820 INFO L290 TraceCheckUtils]: 23: Hoare triple {6455#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6465#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0)) 1))} is VALID [2022-02-20 23:37:50,820 INFO L290 TraceCheckUtils]: 24: Hoare triple {6465#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0)) 1))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:50,821 INFO L272 TraceCheckUtils]: 25: Hoare triple {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,822 INFO L290 TraceCheckUtils]: 26: Hoare triple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,823 INFO L290 TraceCheckUtils]: 27: Hoare triple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} #t~short13 := ~len~1 < ~until; {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,824 INFO L290 TraceCheckUtils]: 28: Hoare triple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,824 INFO L290 TraceCheckUtils]: 29: Hoare triple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,825 INFO L290 TraceCheckUtils]: 30: Hoare triple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} #res := ~len~1; {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,826 INFO L290 TraceCheckUtils]: 31: Hoare triple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} assume true; {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} is VALID [2022-02-20 23:37:50,826 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {6473#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|)) 0) (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_4|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_3|) 0)))} {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} #194#return; {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:50,827 INFO L290 TraceCheckUtils]: 33: Hoare triple {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:50,827 INFO L290 TraceCheckUtils]: 34: Hoare triple {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:50,828 INFO L290 TraceCheckUtils]: 35: Hoare triple {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume !main_#t~short19#1; {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:50,828 INFO L290 TraceCheckUtils]: 36: Hoare triple {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} is VALID [2022-02-20 23:37:50,829 INFO L290 TraceCheckUtils]: 37: Hoare triple {6469#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {6510#(and (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} is VALID [2022-02-20 23:37:50,830 INFO L290 TraceCheckUtils]: 38: Hoare triple {6510#(and (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (= |ULTIMATE.start_main_#t~mem22#1.offset| 0))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {6514#(and (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:50,830 INFO L290 TraceCheckUtils]: 39: Hoare triple {6514#(and (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {6514#(and (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:50,835 INFO L290 TraceCheckUtils]: 40: Hoare triple {6514#(and (exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 1) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {6388#(= (select |#valid| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 1)} is VALID [2022-02-20 23:37:50,836 INFO L290 TraceCheckUtils]: 41: Hoare triple {6388#(= (select |#valid| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 1)} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:50,836 INFO L290 TraceCheckUtils]: 42: Hoare triple {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:50,837 INFO L290 TraceCheckUtils]: 43: Hoare triple {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !(1 == #valid[sll_length_~head#1.base]); {6364#false} is VALID [2022-02-20 23:37:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:37:50,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:37:50,972 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 [2022-02-20 23:37:51,325 INFO L356 Elim1Store]: treesize reduction 11, result has 64.5 percent of original size [2022-02-20 23:37:51,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 107 [2022-02-20 23:37:51,745 INFO L290 TraceCheckUtils]: 43: Hoare triple {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !(1 == #valid[sll_length_~head#1.base]); {6364#false} is VALID [2022-02-20 23:37:51,746 INFO L290 TraceCheckUtils]: 42: Hoare triple {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:51,746 INFO L290 TraceCheckUtils]: 41: Hoare triple {6388#(= (select |#valid| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 1)} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {6389#(= (select |#valid| |ULTIMATE.start_sll_length_~head#1.base|) 1)} is VALID [2022-02-20 23:37:51,747 INFO L290 TraceCheckUtils]: 40: Hoare triple {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {6388#(= (select |#valid| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 1)} is VALID [2022-02-20 23:37:51,747 INFO L290 TraceCheckUtils]: 39: Hoare triple {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:37:51,748 INFO L290 TraceCheckUtils]: 38: Hoare triple {6386#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 1)} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {6387#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:37:51,748 INFO L290 TraceCheckUtils]: 37: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {6386#(= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 1)} is VALID [2022-02-20 23:37:51,749 INFO L290 TraceCheckUtils]: 36: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:51,749 INFO L290 TraceCheckUtils]: 35: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} assume !main_#t~short19#1; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:51,749 INFO L290 TraceCheckUtils]: 34: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:51,750 INFO L290 TraceCheckUtils]: 33: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:51,750 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {6363#true} {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} #194#return; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:51,751 INFO L290 TraceCheckUtils]: 31: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:51,751 INFO L290 TraceCheckUtils]: 30: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:51,751 INFO L290 TraceCheckUtils]: 29: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:51,751 INFO L290 TraceCheckUtils]: 28: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:51,751 INFO L290 TraceCheckUtils]: 27: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:51,751 INFO L290 TraceCheckUtils]: 26: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:51,751 INFO L272 TraceCheckUtils]: 25: Hoare triple {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {6363#true} is VALID [2022-02-20 23:37:51,752 INFO L290 TraceCheckUtils]: 24: Hoare triple {6587#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_#res#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|))))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {6378#(= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 1)} is VALID [2022-02-20 23:37:51,753 INFO L290 TraceCheckUtils]: 23: Hoare triple {6591#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {6587#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_#res#1.offset|)) 1) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|))))} is VALID [2022-02-20 23:37:51,753 INFO L290 TraceCheckUtils]: 22: Hoare triple {6591#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {6591#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)))} is VALID [2022-02-20 23:37:51,754 INFO L290 TraceCheckUtils]: 21: Hoare triple {6591#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6591#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)))} is VALID [2022-02-20 23:37:51,755 INFO L290 TraceCheckUtils]: 20: Hoare triple {6601#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 1) (not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {6591#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 1)))} is VALID [2022-02-20 23:37:51,756 INFO L290 TraceCheckUtils]: 19: Hoare triple {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {6601#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (= (select |#valid| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 1) (not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:37:51,756 INFO L290 TraceCheckUtils]: 18: Hoare triple {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:51,757 INFO L290 TraceCheckUtils]: 17: Hoare triple {6611#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {6373#(= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1)} is VALID [2022-02-20 23:37:51,757 INFO L290 TraceCheckUtils]: 16: Hoare triple {6611#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6611#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} is VALID [2022-02-20 23:37:51,758 INFO L290 TraceCheckUtils]: 15: Hoare triple {6618#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 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; {6611#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~head~0#1.base|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} is VALID [2022-02-20 23:37:51,759 INFO L290 TraceCheckUtils]: 14: Hoare triple {6618#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {6618#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} is VALID [2022-02-20 23:37:51,759 INFO L290 TraceCheckUtils]: 13: Hoare triple {6618#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {6618#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 12: Hoare triple {6363#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {6618#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| Int) (v_ArrVal_219 Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14| v_ArrVal_219) |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_14|) 0))))} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 11: Hoare triple {6363#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {6363#true} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 10: Hoare triple {6363#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {6363#true} is VALID [2022-02-20 23:37:51,760 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {6363#true} {6363#true} #190#return; {6363#true} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 8: Hoare triple {6363#true} assume true; {6363#true} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 7: Hoare triple {6363#true} #res := ~len~1; {6363#true} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 6: Hoare triple {6363#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {6363#true} is VALID [2022-02-20 23:37:51,760 INFO L290 TraceCheckUtils]: 5: Hoare triple {6363#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {6363#true} is VALID [2022-02-20 23:37:51,761 INFO L290 TraceCheckUtils]: 4: Hoare triple {6363#true} #t~short13 := ~len~1 < ~until; {6363#true} is VALID [2022-02-20 23:37:51,761 INFO L290 TraceCheckUtils]: 3: Hoare triple {6363#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {6363#true} is VALID [2022-02-20 23:37:51,761 INFO L272 TraceCheckUtils]: 2: Hoare triple {6363#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {6363#true} is VALID [2022-02-20 23:37:51,761 INFO L290 TraceCheckUtils]: 1: Hoare triple {6363#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {6363#true} is VALID [2022-02-20 23:37:51,761 INFO L290 TraceCheckUtils]: 0: Hoare triple {6363#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(22, 2); {6363#true} is VALID [2022-02-20 23:37:51,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:37:51,761 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665085426] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:37:51,761 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:37:51,761 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 12] total 25 [2022-02-20 23:37:51,761 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165895329] [2022-02-20 23:37:51,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:37:51,762 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2022-02-20 23:37:51,762 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:37:51,763 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:51,832 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 78 edges. 78 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:51,832 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-02-20 23:37:51,832 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:37:51,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-02-20 23:37:51,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-02-20 23:37:51,834 INFO L87 Difference]: Start difference. First operand 108 states and 123 transitions. Second operand has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:53,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:53,106 INFO L93 Difference]: Finished difference Result 151 states and 170 transitions. [2022-02-20 23:37:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:37:53,106 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 44 [2022-02-20 23:37:53,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:37:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:53,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 158 transitions. [2022-02-20 23:37:53,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 158 transitions. [2022-02-20 23:37:53,110 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 158 transitions. [2022-02-20 23:37:53,232 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 158 edges. 158 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:37:53,233 INFO L225 Difference]: With dead ends: 151 [2022-02-20 23:37:53,233 INFO L226 Difference]: Without dead ends: 151 [2022-02-20 23:37:53,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 81 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=182, Invalid=1008, Unknown=0, NotChecked=0, Total=1190 [2022-02-20 23:37:53,234 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 106 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 319 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:37:53,234 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 953 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 412 Invalid, 0 Unknown, 319 Unchecked, 0.3s Time] [2022-02-20 23:37:53,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-02-20 23:37:53,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 111. [2022-02-20 23:37:53,237 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:37:53,237 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand has 111 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:53,237 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand has 111 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:53,238 INFO L87 Difference]: Start difference. First operand 151 states. Second operand has 111 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:53,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:53,240 INFO L93 Difference]: Finished difference Result 151 states and 170 transitions. [2022-02-20 23:37:53,240 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 170 transitions. [2022-02-20 23:37:53,241 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:53,241 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:53,241 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 151 states. [2022-02-20 23:37:53,241 INFO L87 Difference]: Start difference. First operand has 111 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 151 states. [2022-02-20 23:37:53,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:37:53,244 INFO L93 Difference]: Finished difference Result 151 states and 170 transitions. [2022-02-20 23:37:53,244 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 170 transitions. [2022-02-20 23:37:53,244 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:37:53,244 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:37:53,244 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:37:53,244 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:37:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 104 states have internal predecessors, (121), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:37:53,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2022-02-20 23:37:53,250 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 44 [2022-02-20 23:37:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:37:53,250 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2022-02-20 23:37:53,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 2.88) internal successors, (72), 26 states have internal predecessors, (72), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:37:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2022-02-20 23:37:53,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-02-20 23:37:53,251 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:37:53,251 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2022-02-20 23:37:53,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-20 23:37:53,463 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 [2022-02-20 23:37:53,463 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:37:53,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:37:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1917958212, now seen corresponding path program 1 times [2022-02-20 23:37:53,464 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:37:53,464 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913777730] [2022-02-20 23:37:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:37:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:37:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:53,697 INFO L290 TraceCheckUtils]: 0: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L290 TraceCheckUtils]: 1: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L290 TraceCheckUtils]: 2: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L290 TraceCheckUtils]: 3: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L290 TraceCheckUtils]: 4: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L290 TraceCheckUtils]: 5: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {7249#true} {7249#true} #190#return; {7249#true} is VALID [2022-02-20 23:37:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:37:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:53,704 INFO L290 TraceCheckUtils]: 0: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:37:53,704 INFO L290 TraceCheckUtils]: 1: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:37:53,704 INFO L290 TraceCheckUtils]: 2: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:37:53,704 INFO L290 TraceCheckUtils]: 3: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:37:53,704 INFO L290 TraceCheckUtils]: 4: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:37:53,704 INFO L290 TraceCheckUtils]: 5: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:37:53,705 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {7249#true} {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} #194#return; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,705 INFO L290 TraceCheckUtils]: 0: Hoare triple {7249#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(22, 2); {7249#true} is VALID [2022-02-20 23:37:53,705 INFO L290 TraceCheckUtils]: 1: Hoare triple {7249#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {7249#true} is VALID [2022-02-20 23:37:53,705 INFO L272 TraceCheckUtils]: 2: Hoare triple {7249#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {7249#true} is VALID [2022-02-20 23:37:53,705 INFO L290 TraceCheckUtils]: 3: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:37:53,705 INFO L290 TraceCheckUtils]: 4: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:37:53,705 INFO L290 TraceCheckUtils]: 5: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:37:53,706 INFO L290 TraceCheckUtils]: 6: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:37:53,706 INFO L290 TraceCheckUtils]: 7: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:37:53,706 INFO L290 TraceCheckUtils]: 8: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:37:53,706 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {7249#true} {7249#true} #190#return; {7249#true} is VALID [2022-02-20 23:37:53,706 INFO L290 TraceCheckUtils]: 10: Hoare triple {7249#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7249#true} is VALID [2022-02-20 23:37:53,706 INFO L290 TraceCheckUtils]: 11: Hoare triple {7249#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7249#true} is VALID [2022-02-20 23:37:53,707 INFO L290 TraceCheckUtils]: 12: Hoare triple {7249#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {7258#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:53,707 INFO L290 TraceCheckUtils]: 13: Hoare triple {7258#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {7258#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:53,707 INFO L290 TraceCheckUtils]: 14: Hoare triple {7258#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {7259#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:37:53,708 INFO L290 TraceCheckUtils]: 15: Hoare triple {7259#(and (= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4) (= |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; {7260#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:53,708 INFO L290 TraceCheckUtils]: 16: Hoare triple {7260#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7260#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:53,709 INFO L290 TraceCheckUtils]: 17: Hoare triple {7260#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {7261#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:53,709 INFO L290 TraceCheckUtils]: 18: Hoare triple {7261#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {7261#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} is VALID [2022-02-20 23:37:53,710 INFO L290 TraceCheckUtils]: 19: Hoare triple {7261#(and (= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {7262#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0))} is VALID [2022-02-20 23:37:53,715 INFO L290 TraceCheckUtils]: 20: Hoare triple {7262#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7263#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 4))} is VALID [2022-02-20 23:37:53,716 INFO L290 TraceCheckUtils]: 21: Hoare triple {7263#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 4))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7263#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 4))} is VALID [2022-02-20 23:37:53,716 INFO L290 TraceCheckUtils]: 22: Hoare triple {7263#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 4))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {7263#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 4))} is VALID [2022-02-20 23:37:53,717 INFO L290 TraceCheckUtils]: 23: Hoare triple {7263#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 4))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {7264#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|) 0))} is VALID [2022-02-20 23:37:53,718 INFO L290 TraceCheckUtils]: 24: Hoare triple {7264#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|) 0))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,718 INFO L272 TraceCheckUtils]: 25: Hoare triple {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {7249#true} is VALID [2022-02-20 23:37:53,718 INFO L290 TraceCheckUtils]: 26: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:37:53,718 INFO L290 TraceCheckUtils]: 27: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:37:53,718 INFO L290 TraceCheckUtils]: 28: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:37:53,719 INFO L290 TraceCheckUtils]: 29: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:37:53,719 INFO L290 TraceCheckUtils]: 30: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:37:53,719 INFO L290 TraceCheckUtils]: 31: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:37:53,720 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7249#true} {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} #194#return; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,721 INFO L290 TraceCheckUtils]: 33: Hoare triple {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,721 INFO L290 TraceCheckUtils]: 34: Hoare triple {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,722 INFO L290 TraceCheckUtils]: 35: Hoare triple {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} assume !main_#t~short19#1; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,722 INFO L290 TraceCheckUtils]: 36: Hoare triple {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} is VALID [2022-02-20 23:37:53,723 INFO L290 TraceCheckUtils]: 37: Hoare triple {7265#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (= (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 4))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {7273#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|) 0))} is VALID [2022-02-20 23:37:53,724 INFO L290 TraceCheckUtils]: 38: Hoare triple {7273#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 4) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|) 0))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {7274#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 4) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:37:53,724 INFO L290 TraceCheckUtils]: 39: Hoare triple {7274#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 4) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {7274#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 4) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:37:53,725 INFO L290 TraceCheckUtils]: 40: Hoare triple {7274#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 4) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {7275#(and (= (select |#length| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 4) (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0))} is VALID [2022-02-20 23:37:53,725 INFO L290 TraceCheckUtils]: 41: Hoare triple {7275#(and (= (select |#length| |ULTIMATE.start_sll_length_#t~mem6#1.base|) 4) (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {7276#(and (= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:53,726 INFO L290 TraceCheckUtils]: 42: Hoare triple {7276#(and (= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {7276#(and (= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:53,726 INFO L290 TraceCheckUtils]: 43: Hoare triple {7276#(and (= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !(4 + sll_length_~head#1.offset <= #length[sll_length_~head#1.base] && 0 <= sll_length_~head#1.offset); {7250#false} is VALID [2022-02-20 23:37:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:37:53,727 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:37:53,727 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913777730] [2022-02-20 23:37:53,727 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913777730] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:37:53,728 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827974589] [2022-02-20 23:37:53,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:37:53,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:37:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:37:53,729 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:37:53,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-20 23:37:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:53,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 56 conjunts are in the unsatisfiable core [2022-02-20 23:37:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:37:53,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:37:53,864 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 23:37:53,987 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:37:53,988 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 [2022-02-20 23:37:53,994 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 [2022-02-20 23:37:54,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:37:54,083 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 11 treesize of output 7 [2022-02-20 23:37:55,401 INFO L356 Elim1Store]: treesize reduction 15, result has 53.1 percent of original size [2022-02-20 23:37:55,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 50 [2022-02-20 23:37:55,460 INFO L356 Elim1Store]: treesize reduction 30, result has 9.1 percent of original size [2022-02-20 23:37:55,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 25 [2022-02-20 23:37:55,557 INFO L290 TraceCheckUtils]: 0: Hoare triple {7249#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(22, 2); {7249#true} is VALID [2022-02-20 23:37:55,557 INFO L290 TraceCheckUtils]: 1: Hoare triple {7249#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L272 TraceCheckUtils]: 2: Hoare triple {7249#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 3: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 4: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 5: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 6: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 7: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 8: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {7249#true} {7249#true} #190#return; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 10: Hoare triple {7249#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7249#true} is VALID [2022-02-20 23:37:55,558 INFO L290 TraceCheckUtils]: 11: Hoare triple {7249#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7249#true} is VALID [2022-02-20 23:37:55,559 INFO L290 TraceCheckUtils]: 12: Hoare triple {7249#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {7316#(and (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:37:55,559 INFO L290 TraceCheckUtils]: 13: Hoare triple {7316#(and (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {7316#(and (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:37:55,560 INFO L290 TraceCheckUtils]: 14: Hoare triple {7316#(and (= |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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {7323#(and (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (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 [2022-02-20 23:37:55,560 INFO L290 TraceCheckUtils]: 15: Hoare triple {7323#(and (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (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; {7327#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:37:55,561 INFO L290 TraceCheckUtils]: 16: Hoare triple {7327#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7327#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} is VALID [2022-02-20 23:37:55,561 INFO L290 TraceCheckUtils]: 17: Hoare triple {7327#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {7334#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (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| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:55,562 INFO L290 TraceCheckUtils]: 18: Hoare triple {7334#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (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| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {7334#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (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| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:55,563 INFO L290 TraceCheckUtils]: 19: Hoare triple {7334#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (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| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {7341#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} is VALID [2022-02-20 23:37:55,563 INFO L290 TraceCheckUtils]: 20: Hoare triple {7341#(and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:37:55,564 INFO L290 TraceCheckUtils]: 21: Hoare triple {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:37:55,564 INFO L290 TraceCheckUtils]: 22: Hoare triple {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:37:55,564 INFO L290 TraceCheckUtils]: 23: Hoare triple {7345#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {7355#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 0)))} is VALID [2022-02-20 23:37:55,565 INFO L290 TraceCheckUtils]: 24: Hoare triple {7355#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0))) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 0)))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} is VALID [2022-02-20 23:37:55,566 INFO L272 TraceCheckUtils]: 25: Hoare triple {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,567 INFO L290 TraceCheckUtils]: 26: Hoare triple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,568 INFO L290 TraceCheckUtils]: 27: Hoare triple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} #t~short13 := ~len~1 < ~until; {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,568 INFO L290 TraceCheckUtils]: 28: Hoare triple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,569 INFO L290 TraceCheckUtils]: 29: Hoare triple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,570 INFO L290 TraceCheckUtils]: 30: Hoare triple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} #res := ~len~1; {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,570 INFO L290 TraceCheckUtils]: 31: Hoare triple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} assume true; {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} is VALID [2022-02-20 23:37:55,571 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7363#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5| Int)) (and (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0))) (= (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_6|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_5|)) 0)))))} {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} #194#return; {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} is VALID [2022-02-20 23:37:55,572 INFO L290 TraceCheckUtils]: 33: Hoare triple {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} is VALID [2022-02-20 23:37:55,572 INFO L290 TraceCheckUtils]: 34: Hoare triple {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} is VALID [2022-02-20 23:37:55,573 INFO L290 TraceCheckUtils]: 35: Hoare triple {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} assume !main_#t~short19#1; {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} is VALID [2022-02-20 23:37:55,573 INFO L290 TraceCheckUtils]: 36: Hoare triple {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} is VALID [2022-02-20 23:37:55,574 INFO L290 TraceCheckUtils]: 37: Hoare triple {7359#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {7400#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_#t~mem22#1.offset|) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)))))} is VALID [2022-02-20 23:37:55,575 INFO L290 TraceCheckUtils]: 38: Hoare triple {7400#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_#t~mem22#1.offset|) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)))))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {7404#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)))))} is VALID [2022-02-20 23:37:55,576 INFO L290 TraceCheckUtils]: 39: Hoare triple {7404#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)))))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {7404#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)))))} is VALID [2022-02-20 23:37:55,576 INFO L290 TraceCheckUtils]: 40: Hoare triple {7404#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (<= 4 (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)))))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {7411#(and (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0) (<= 4 (select |#length| |ULTIMATE.start_sll_length_#t~mem6#1.base|)))} is VALID [2022-02-20 23:37:55,577 INFO L290 TraceCheckUtils]: 41: Hoare triple {7411#(and (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0) (<= 4 (select |#length| |ULTIMATE.start_sll_length_#t~mem6#1.base|)))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {7415#(and (<= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:55,577 INFO L290 TraceCheckUtils]: 42: Hoare triple {7415#(and (<= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {7415#(and (<= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:37:55,578 INFO L290 TraceCheckUtils]: 43: Hoare triple {7415#(and (<= 4 (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !(4 + sll_length_~head#1.offset <= #length[sll_length_~head#1.base] && 0 <= sll_length_~head#1.offset); {7250#false} is VALID [2022-02-20 23:37:55,578 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:37:55,578 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:37:56,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:37:56,547 INFO L356 Elim1Store]: treesize reduction 23, result has 58.2 percent of original size [2022-02-20 23:37:56,548 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 322 treesize of output 297 [2022-02-20 23:37:56,722 INFO L356 Elim1Store]: treesize reduction 33, result has 66.7 percent of original size [2022-02-20 23:37:56,722 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 704 treesize of output 645 [2022-02-20 23:38:01,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2022-02-20 23:38:01,894 INFO L290 TraceCheckUtils]: 43: Hoare triple {7422#(and (<= 0 |ULTIMATE.start_sll_length_~head#1.offset|) (<= (+ |ULTIMATE.start_sll_length_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)))} assume !(4 + sll_length_~head#1.offset <= #length[sll_length_~head#1.base] && 0 <= sll_length_~head#1.offset); {7250#false} is VALID [2022-02-20 23:38:01,895 INFO L290 TraceCheckUtils]: 42: Hoare triple {7422#(and (<= 0 |ULTIMATE.start_sll_length_~head#1.offset|) (<= (+ |ULTIMATE.start_sll_length_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {7422#(and (<= 0 |ULTIMATE.start_sll_length_~head#1.offset|) (<= (+ |ULTIMATE.start_sll_length_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)))} is VALID [2022-02-20 23:38:01,895 INFO L290 TraceCheckUtils]: 41: Hoare triple {7429#(and (<= 0 |ULTIMATE.start_sll_length_#t~mem6#1.offset|) (<= (+ |ULTIMATE.start_sll_length_#t~mem6#1.offset| 4) (select |#length| |ULTIMATE.start_sll_length_#t~mem6#1.base|)))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {7422#(and (<= 0 |ULTIMATE.start_sll_length_~head#1.offset|) (<= (+ |ULTIMATE.start_sll_length_~head#1.offset| 4) (select |#length| |ULTIMATE.start_sll_length_~head#1.base|)))} is VALID [2022-02-20 23:38:01,896 INFO L290 TraceCheckUtils]: 40: Hoare triple {7433#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {7429#(and (<= 0 |ULTIMATE.start_sll_length_#t~mem6#1.offset|) (<= (+ |ULTIMATE.start_sll_length_#t~mem6#1.offset| 4) (select |#length| |ULTIMATE.start_sll_length_#t~mem6#1.base|)))} is VALID [2022-02-20 23:38:01,896 INFO L290 TraceCheckUtils]: 39: Hoare triple {7433#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {7433#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:38:01,897 INFO L290 TraceCheckUtils]: 38: Hoare triple {7440#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {7433#(and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)))} is VALID [2022-02-20 23:38:01,898 INFO L290 TraceCheckUtils]: 37: Hoare triple {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {7440#(and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)))} is VALID [2022-02-20 23:38:01,898 INFO L290 TraceCheckUtils]: 36: Hoare triple {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:38:01,898 INFO L290 TraceCheckUtils]: 35: Hoare triple {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} assume !main_#t~short19#1; {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:38:01,899 INFO L290 TraceCheckUtils]: 34: Hoare triple {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:38:01,899 INFO L290 TraceCheckUtils]: 33: Hoare triple {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:38:01,900 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {7249#true} {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} #194#return; {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:38:01,900 INFO L290 TraceCheckUtils]: 31: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:38:01,900 INFO L290 TraceCheckUtils]: 30: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:38:01,900 INFO L290 TraceCheckUtils]: 29: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:38:01,900 INFO L290 TraceCheckUtils]: 28: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:38:01,901 INFO L290 TraceCheckUtils]: 27: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:38:01,901 INFO L290 TraceCheckUtils]: 26: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:38:01,901 INFO L272 TraceCheckUtils]: 25: Hoare triple {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {7249#true} is VALID [2022-02-20 23:38:01,902 INFO L290 TraceCheckUtils]: 24: Hoare triple {7484#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {7444#(and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))} is VALID [2022-02-20 23:38:01,902 INFO L290 TraceCheckUtils]: 23: Hoare triple {7488#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {7484#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.base|)) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_#res#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} is VALID [2022-02-20 23:38:01,903 INFO L290 TraceCheckUtils]: 22: Hoare triple {7488#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {7488#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} is VALID [2022-02-20 23:38:01,904 INFO L290 TraceCheckUtils]: 21: Hoare triple {7488#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7488#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} is VALID [2022-02-20 23:38:01,905 INFO L290 TraceCheckUtils]: 20: Hoare triple {7498#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {7488#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} is VALID [2022-02-20 23:38:01,906 INFO L290 TraceCheckUtils]: 19: Hoare triple {7502#(and (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {7498#(forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (or (not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (not (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (and (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (select |#length| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)))))))} is VALID [2022-02-20 23:38:01,906 INFO L290 TraceCheckUtils]: 18: Hoare triple {7502#(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 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {7502#(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 [2022-02-20 23:38:01,907 INFO L290 TraceCheckUtils]: 17: Hoare triple {7509#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (and (forall ((v_ArrVal_259 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| v_ArrVal_259) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0))))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {7502#(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 [2022-02-20 23:38:01,908 INFO L290 TraceCheckUtils]: 16: Hoare triple {7509#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (and (forall ((v_ArrVal_259 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| v_ArrVal_259) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0))))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7509#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (and (forall ((v_ArrVal_259 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| v_ArrVal_259) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0))))} is VALID [2022-02-20 23:38:01,908 INFO L290 TraceCheckUtils]: 15: Hoare triple {7516#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0)) (and (forall ((v_ArrVal_259 Int)) (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| v_ArrVal_259) |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (<= 0 |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; {7509#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (and (forall ((v_ArrVal_259 Int)) (<= (+ |ULTIMATE.start_sll_create_~head~0#1.offset| 4) (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| v_ArrVal_259) |ULTIMATE.start_sll_create_~head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0))))} is VALID [2022-02-20 23:38:01,909 INFO L290 TraceCheckUtils]: 14: Hoare triple {7520#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| |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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {7516#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0)) (and (forall ((v_ArrVal_259 Int)) (<= (+ 4 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (select (store |#length| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| v_ArrVal_259) |ULTIMATE.start_sll_create_~new_head~0#1.base|))) (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|))))} is VALID [2022-02-20 23:38:01,910 INFO L290 TraceCheckUtils]: 13: Hoare triple {7520#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {7520#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))))} is VALID [2022-02-20 23:38:01,910 INFO L290 TraceCheckUtils]: 12: Hoare triple {7249#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {7520#(forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16|) 0)) (and (<= 0 |ULTIMATE.start_sll_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_sll_create_~new_head~0#1.base_16| |ULTIMATE.start_sll_create_~new_head~0#1.base|)))))} is VALID [2022-02-20 23:38:01,910 INFO L290 TraceCheckUtils]: 11: Hoare triple {7249#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {7249#true} is VALID [2022-02-20 23:38:01,910 INFO L290 TraceCheckUtils]: 10: Hoare triple {7249#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {7249#true} {7249#true} #190#return; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 8: Hoare triple {7249#true} assume true; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 7: Hoare triple {7249#true} #res := ~len~1; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 6: Hoare triple {7249#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 5: Hoare triple {7249#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 4: Hoare triple {7249#true} #t~short13 := ~len~1 < ~until; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 3: Hoare triple {7249#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L272 TraceCheckUtils]: 2: Hoare triple {7249#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 1: Hoare triple {7249#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {7249#true} is VALID [2022-02-20 23:38:01,911 INFO L290 TraceCheckUtils]: 0: Hoare triple {7249#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(22, 2); {7249#true} is VALID [2022-02-20 23:38:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:38:01,912 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827974589] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-20 23:38:01,912 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-20 23:38:01,912 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 13] total 38 [2022-02-20 23:38:01,912 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826665354] [2022-02-20 23:38:01,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-20 23:38:01,913 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2022-02-20 23:38:01,916 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:38:01,916 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 23:38:02,005 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 96 edges. 96 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:38:02,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-02-20 23:38:02,005 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:38:02,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-02-20 23:38:02,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=1368, Unknown=0, NotChecked=0, Total=1482 [2022-02-20 23:38:02,007 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 23:38:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:38:04,874 INFO L93 Difference]: Finished difference Result 153 states and 171 transitions. [2022-02-20 23:38:04,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-02-20 23:38:04,874 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 44 [2022-02-20 23:38:04,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:38:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 23:38:04,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 159 transitions. [2022-02-20 23:38:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 23:38:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 159 transitions. [2022-02-20 23:38:04,878 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 159 transitions. [2022-02-20 23:38:05,022 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:38:05,024 INFO L225 Difference]: With dead ends: 153 [2022-02-20 23:38:05,024 INFO L226 Difference]: Without dead ends: 153 [2022-02-20 23:38:05,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 71 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=301, Invalid=2149, Unknown=0, NotChecked=0, Total=2450 [2022-02-20 23:38:05,025 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 122 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 1921 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 382 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-02-20 23:38:05,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 1921 Invalid, 1198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 803 Invalid, 0 Unknown, 382 Unchecked, 0.7s Time] [2022-02-20 23:38:05,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-02-20 23:38:05,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 111. [2022-02-20 23:38:05,028 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:38:05,029 INFO L82 GeneralOperation]: Start isEquivalent. First operand 153 states. Second operand has 111 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 104 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:05,029 INFO L74 IsIncluded]: Start isIncluded. First operand 153 states. Second operand has 111 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 104 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:05,029 INFO L87 Difference]: Start difference. First operand 153 states. Second operand has 111 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 104 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:05,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:38:05,032 INFO L93 Difference]: Finished difference Result 153 states and 171 transitions. [2022-02-20 23:38:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 171 transitions. [2022-02-20 23:38:05,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:38:05,033 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:38:05,033 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 104 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 153 states. [2022-02-20 23:38:05,033 INFO L87 Difference]: Start difference. First operand has 111 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 104 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 153 states. [2022-02-20 23:38:05,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:38:05,036 INFO L93 Difference]: Finished difference Result 153 states and 171 transitions. [2022-02-20 23:38:05,036 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 171 transitions. [2022-02-20 23:38:05,036 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:38:05,036 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:38:05,036 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:38:05,036 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:38:05,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.3953488372093024) internal successors, (120), 104 states have internal predecessors, (120), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 127 transitions. [2022-02-20 23:38:05,039 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 127 transitions. Word has length 44 [2022-02-20 23:38:05,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:38:05,039 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 127 transitions. [2022-02-20 23:38:05,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 38 states have (on average 2.3157894736842106) internal successors, (88), 39 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 23:38:05,040 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 127 transitions. [2022-02-20 23:38:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-20 23:38:05,041 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:38:05,041 INFO L514 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1] [2022-02-20 23:38:05,067 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-20 23:38:05,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:38:05,256 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:38:05,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:38:05,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1941605001, now seen corresponding path program 1 times [2022-02-20 23:38:05,256 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:38:05,257 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833235491] [2022-02-20 23:38:05,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:38:05,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:38:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:38:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:05,386 INFO L290 TraceCheckUtils]: 0: Hoare triple {8160#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8160#true} is VALID [2022-02-20 23:38:05,387 INFO L290 TraceCheckUtils]: 1: Hoare triple {8160#true} #t~short13 := ~len~1 < ~until; {8160#true} is VALID [2022-02-20 23:38:05,387 INFO L290 TraceCheckUtils]: 2: Hoare triple {8160#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8160#true} is VALID [2022-02-20 23:38:05,387 INFO L290 TraceCheckUtils]: 3: Hoare triple {8160#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8160#true} is VALID [2022-02-20 23:38:05,387 INFO L290 TraceCheckUtils]: 4: Hoare triple {8160#true} #res := ~len~1; {8160#true} is VALID [2022-02-20 23:38:05,387 INFO L290 TraceCheckUtils]: 5: Hoare triple {8160#true} assume true; {8160#true} is VALID [2022-02-20 23:38:05,387 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {8160#true} {8160#true} #190#return; {8160#true} is VALID [2022-02-20 23:38:05,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:38:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:05,403 INFO L290 TraceCheckUtils]: 0: Hoare triple {8160#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8160#true} is VALID [2022-02-20 23:38:05,404 INFO L290 TraceCheckUtils]: 1: Hoare triple {8160#true} #t~short13 := ~len~1 < ~until; {8160#true} is VALID [2022-02-20 23:38:05,404 INFO L290 TraceCheckUtils]: 2: Hoare triple {8160#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8160#true} is VALID [2022-02-20 23:38:05,404 INFO L290 TraceCheckUtils]: 3: Hoare triple {8160#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8160#true} is VALID [2022-02-20 23:38:05,404 INFO L290 TraceCheckUtils]: 4: Hoare triple {8160#true} #res := ~len~1; {8160#true} is VALID [2022-02-20 23:38:05,404 INFO L290 TraceCheckUtils]: 5: Hoare triple {8160#true} assume true; {8160#true} is VALID [2022-02-20 23:38:05,405 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {8160#true} {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} #194#return; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,405 INFO L290 TraceCheckUtils]: 0: Hoare triple {8160#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(22, 2); {8160#true} is VALID [2022-02-20 23:38:05,405 INFO L290 TraceCheckUtils]: 1: Hoare triple {8160#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {8160#true} is VALID [2022-02-20 23:38:05,406 INFO L272 TraceCheckUtils]: 2: Hoare triple {8160#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {8160#true} is VALID [2022-02-20 23:38:05,406 INFO L290 TraceCheckUtils]: 3: Hoare triple {8160#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8160#true} is VALID [2022-02-20 23:38:05,406 INFO L290 TraceCheckUtils]: 4: Hoare triple {8160#true} #t~short13 := ~len~1 < ~until; {8160#true} is VALID [2022-02-20 23:38:05,406 INFO L290 TraceCheckUtils]: 5: Hoare triple {8160#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8160#true} is VALID [2022-02-20 23:38:05,407 INFO L290 TraceCheckUtils]: 6: Hoare triple {8160#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8160#true} is VALID [2022-02-20 23:38:05,407 INFO L290 TraceCheckUtils]: 7: Hoare triple {8160#true} #res := ~len~1; {8160#true} is VALID [2022-02-20 23:38:05,407 INFO L290 TraceCheckUtils]: 8: Hoare triple {8160#true} assume true; {8160#true} is VALID [2022-02-20 23:38:05,407 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {8160#true} {8160#true} #190#return; {8160#true} is VALID [2022-02-20 23:38:05,407 INFO L290 TraceCheckUtils]: 10: Hoare triple {8160#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8160#true} is VALID [2022-02-20 23:38:05,408 INFO L290 TraceCheckUtils]: 11: Hoare triple {8160#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8160#true} is VALID [2022-02-20 23:38:05,408 INFO L290 TraceCheckUtils]: 12: Hoare triple {8160#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,408 INFO L290 TraceCheckUtils]: 13: Hoare triple {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,409 INFO L290 TraceCheckUtils]: 14: Hoare triple {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,409 INFO L290 TraceCheckUtils]: 15: Hoare triple {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,409 INFO L290 TraceCheckUtils]: 16: Hoare triple {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,410 INFO L290 TraceCheckUtils]: 17: Hoare triple {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,410 INFO L290 TraceCheckUtils]: 18: Hoare triple {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:05,411 INFO L290 TraceCheckUtils]: 19: Hoare triple {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8171#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0))} is VALID [2022-02-20 23:38:05,411 INFO L290 TraceCheckUtils]: 20: Hoare triple {8171#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8172#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:38:05,412 INFO L290 TraceCheckUtils]: 21: Hoare triple {8172#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8172#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:38:05,412 INFO L290 TraceCheckUtils]: 22: Hoare triple {8172#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {8172#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0))} is VALID [2022-02-20 23:38:05,412 INFO L290 TraceCheckUtils]: 23: Hoare triple {8172#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8173#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|) 0))} is VALID [2022-02-20 23:38:05,413 INFO L290 TraceCheckUtils]: 24: Hoare triple {8173#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|) 0))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,413 INFO L272 TraceCheckUtils]: 25: Hoare triple {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {8160#true} is VALID [2022-02-20 23:38:05,413 INFO L290 TraceCheckUtils]: 26: Hoare triple {8160#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8160#true} is VALID [2022-02-20 23:38:05,413 INFO L290 TraceCheckUtils]: 27: Hoare triple {8160#true} #t~short13 := ~len~1 < ~until; {8160#true} is VALID [2022-02-20 23:38:05,414 INFO L290 TraceCheckUtils]: 28: Hoare triple {8160#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8160#true} is VALID [2022-02-20 23:38:05,414 INFO L290 TraceCheckUtils]: 29: Hoare triple {8160#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8160#true} is VALID [2022-02-20 23:38:05,414 INFO L290 TraceCheckUtils]: 30: Hoare triple {8160#true} #res := ~len~1; {8160#true} is VALID [2022-02-20 23:38:05,414 INFO L290 TraceCheckUtils]: 31: Hoare triple {8160#true} assume true; {8160#true} is VALID [2022-02-20 23:38:05,415 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8160#true} {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} #194#return; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,415 INFO L290 TraceCheckUtils]: 33: Hoare triple {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,416 INFO L290 TraceCheckUtils]: 34: Hoare triple {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,416 INFO L290 TraceCheckUtils]: 35: Hoare triple {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} assume !main_#t~short19#1; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,416 INFO L290 TraceCheckUtils]: 36: Hoare triple {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:05,417 INFO L290 TraceCheckUtils]: 37: Hoare triple {8174#(not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {8182#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|) 0))} is VALID [2022-02-20 23:38:05,417 INFO L290 TraceCheckUtils]: 38: Hoare triple {8182#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|) 0))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {8183#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} is VALID [2022-02-20 23:38:05,418 INFO L290 TraceCheckUtils]: 39: Hoare triple {8183#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {8183#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} is VALID [2022-02-20 23:38:05,418 INFO L290 TraceCheckUtils]: 40: Hoare triple {8183#(not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {8184#(not (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:38:05,419 INFO L290 TraceCheckUtils]: 41: Hoare triple {8184#(not (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {8185#(not (= |ULTIMATE.start_sll_length_~head#1.base| 0))} is VALID [2022-02-20 23:38:05,419 INFO L290 TraceCheckUtils]: 42: Hoare triple {8185#(not (= |ULTIMATE.start_sll_length_~head#1.base| 0))} assume !(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0); {8161#false} is VALID [2022-02-20 23:38:05,419 INFO L290 TraceCheckUtils]: 43: Hoare triple {8161#false} sll_length_#res#1 := sll_length_~len~0#1; {8161#false} is VALID [2022-02-20 23:38:05,419 INFO L290 TraceCheckUtils]: 44: Hoare triple {8161#false} main_#t~ret23#1 := sll_length_#res#1;assume { :end_inline_sll_length } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647; {8161#false} is VALID [2022-02-20 23:38:05,419 INFO L290 TraceCheckUtils]: 45: Hoare triple {8161#false} assume main_~k~0#1 + main_~len~2#1 != main_#t~ret23#1;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~ret23#1; {8161#false} is VALID [2022-02-20 23:38:05,420 INFO L290 TraceCheckUtils]: 46: Hoare triple {8161#false} assume !false; {8161#false} is VALID [2022-02-20 23:38:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:38:05,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:38:05,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833235491] [2022-02-20 23:38:05,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833235491] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:38:05,421 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16283747] [2022-02-20 23:38:05,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:38:05,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:38:05,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:38:05,424 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:38:05,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-20 23:38:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:05,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 31 conjunts are in the unsatisfiable core [2022-02-20 23:38:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:05,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:38:05,613 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 23:38:05,657 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-20 23:38:06,439 INFO L356 Elim1Store]: treesize reduction 17, result has 48.5 percent of original size [2022-02-20 23:38:06,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 44 treesize of output 38 [2022-02-20 23:38:06,484 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 11 treesize of output 7 [2022-02-20 23:38:06,525 INFO L290 TraceCheckUtils]: 0: Hoare triple {8160#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(22, 2); {8160#true} is VALID [2022-02-20 23:38:06,525 INFO L290 TraceCheckUtils]: 1: Hoare triple {8160#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L272 TraceCheckUtils]: 2: Hoare triple {8160#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 3: Hoare triple {8160#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 4: Hoare triple {8160#true} #t~short13 := ~len~1 < ~until; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 5: Hoare triple {8160#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 6: Hoare triple {8160#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 7: Hoare triple {8160#true} #res := ~len~1; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 8: Hoare triple {8160#true} assume true; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {8160#true} {8160#true} #190#return; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 10: Hoare triple {8160#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8160#true} is VALID [2022-02-20 23:38:06,526 INFO L290 TraceCheckUtils]: 11: Hoare triple {8160#true} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8160#true} is VALID [2022-02-20 23:38:06,527 INFO L290 TraceCheckUtils]: 12: Hoare triple {8160#true} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:38:06,527 INFO L290 TraceCheckUtils]: 13: Hoare triple {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:38:06,527 INFO L290 TraceCheckUtils]: 14: Hoare triple {8169#(not (= |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, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8169#(not (= |ULTIMATE.start_sll_create_~new_head~0#1.base| 0))} is VALID [2022-02-20 23:38:06,527 INFO L290 TraceCheckUtils]: 15: Hoare triple {8169#(not (= |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; {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:06,528 INFO L290 TraceCheckUtils]: 16: Hoare triple {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:06,528 INFO L290 TraceCheckUtils]: 17: Hoare triple {8170#(not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8240#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (<= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4))} is VALID [2022-02-20 23:38:06,529 INFO L290 TraceCheckUtils]: 18: Hoare triple {8240#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (<= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8240#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (<= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4))} is VALID [2022-02-20 23:38:06,529 INFO L290 TraceCheckUtils]: 19: Hoare triple {8240#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| 0)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (<= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8247#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0) 0)) (<= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4))} is VALID [2022-02-20 23:38:06,531 INFO L290 TraceCheckUtils]: 20: Hoare triple {8247#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 0) 0)) (<= (select |#length| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 4))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8251#(and (<= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) 0)))} is VALID [2022-02-20 23:38:06,532 INFO L290 TraceCheckUtils]: 21: Hoare triple {8251#(and (<= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) 0)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8251#(and (<= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) 0)))} is VALID [2022-02-20 23:38:06,532 INFO L290 TraceCheckUtils]: 22: Hoare triple {8251#(and (<= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) 0)))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {8251#(and (<= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) 0)))} is VALID [2022-02-20 23:38:06,533 INFO L290 TraceCheckUtils]: 23: Hoare triple {8251#(and (<= (select |#length| |ULTIMATE.start_sll_create_~head~0#1.base|) 4) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) 0) 0)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8261#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) 0)) (<= (select |#length| |ULTIMATE.start_sll_create_#res#1.base|) 4))} is VALID [2022-02-20 23:38:06,534 INFO L290 TraceCheckUtils]: 24: Hoare triple {8261#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) 0)) (<= (select |#length| |ULTIMATE.start_sll_create_#res#1.base|) 4))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:06,535 INFO L272 TraceCheckUtils]: 25: Hoare triple {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,535 INFO L290 TraceCheckUtils]: 26: Hoare triple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,536 INFO L290 TraceCheckUtils]: 27: Hoare triple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} #t~short13 := ~len~1 < ~until; {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,537 INFO L290 TraceCheckUtils]: 28: Hoare triple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,537 INFO L290 TraceCheckUtils]: 29: Hoare triple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,538 INFO L290 TraceCheckUtils]: 30: Hoare triple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} #res := ~len~1; {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,538 INFO L290 TraceCheckUtils]: 31: Hoare triple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} assume true; {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} is VALID [2022-02-20 23:38:06,539 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8269#(exists ((|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7| Int)) (and (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 0) 0)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_8|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_7|)) 4)))} {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} #194#return; {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:06,540 INFO L290 TraceCheckUtils]: 33: Hoare triple {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:06,540 INFO L290 TraceCheckUtils]: 34: Hoare triple {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:06,540 INFO L290 TraceCheckUtils]: 35: Hoare triple {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} assume !main_#t~short19#1; {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:06,541 INFO L290 TraceCheckUtils]: 36: Hoare triple {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:06,542 INFO L290 TraceCheckUtils]: 37: Hoare triple {8265#(and (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {8306#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))))} is VALID [2022-02-20 23:38:06,542 INFO L290 TraceCheckUtils]: 38: Hoare triple {8306#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {8310#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))))} is VALID [2022-02-20 23:38:06,543 INFO L290 TraceCheckUtils]: 39: Hoare triple {8310#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {8310#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))))} is VALID [2022-02-20 23:38:06,546 INFO L290 TraceCheckUtils]: 40: Hoare triple {8310#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (<= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 4) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {8184#(not (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:38:06,546 INFO L290 TraceCheckUtils]: 41: Hoare triple {8184#(not (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {8185#(not (= |ULTIMATE.start_sll_length_~head#1.base| 0))} is VALID [2022-02-20 23:38:06,547 INFO L290 TraceCheckUtils]: 42: Hoare triple {8185#(not (= |ULTIMATE.start_sll_length_~head#1.base| 0))} assume !(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0); {8161#false} is VALID [2022-02-20 23:38:06,547 INFO L290 TraceCheckUtils]: 43: Hoare triple {8161#false} sll_length_#res#1 := sll_length_~len~0#1; {8161#false} is VALID [2022-02-20 23:38:06,547 INFO L290 TraceCheckUtils]: 44: Hoare triple {8161#false} main_#t~ret23#1 := sll_length_#res#1;assume { :end_inline_sll_length } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647; {8161#false} is VALID [2022-02-20 23:38:06,547 INFO L290 TraceCheckUtils]: 45: Hoare triple {8161#false} assume main_~k~0#1 + main_~len~2#1 != main_#t~ret23#1;havoc main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc main_#t~ret23#1; {8161#false} is VALID [2022-02-20 23:38:06,547 INFO L290 TraceCheckUtils]: 46: Hoare triple {8161#false} assume !false; {8161#false} is VALID [2022-02-20 23:38:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:38:06,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:38:07,274 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16283747] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:38:07,274 INFO L191 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-02-20 23:38:07,274 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 20 [2022-02-20 23:38:07,275 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773123155] [2022-02-20 23:38:07,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-02-20 23:38:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 47 [2022-02-20 23:38:07,276 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 23:38:07,276 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:38:07,328 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:38:07,328 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-02-20 23:38:07,329 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 23:38:07,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-02-20 23:38:07,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2022-02-20 23:38:07,329 INFO L87 Difference]: Start difference. First operand 111 states and 127 transitions. Second operand has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:38:08,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:38:08,672 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2022-02-20 23:38:08,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-20 23:38:08,673 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 47 [2022-02-20 23:38:08,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 23:38:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:38:08,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 137 transitions. [2022-02-20 23:38:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:38:08,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 137 transitions. [2022-02-20 23:38:08,676 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 137 transitions. [2022-02-20 23:38:08,806 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 137 edges. 137 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 23:38:08,808 INFO L225 Difference]: With dead ends: 132 [2022-02-20 23:38:08,808 INFO L226 Difference]: Without dead ends: 132 [2022-02-20 23:38:08,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2022-02-20 23:38:08,809 INFO L933 BasicCegarLoop]: 81 mSDtfsCounter, 74 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 82 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-02-20 23:38:08,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 1218 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 412 Invalid, 0 Unknown, 82 Unchecked, 0.3s Time] [2022-02-20 23:38:08,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-02-20 23:38:08,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 111. [2022-02-20 23:38:08,811 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 23:38:08,812 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand has 111 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 104 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:08,812 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand has 111 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 104 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:08,812 INFO L87 Difference]: Start difference. First operand 132 states. Second operand has 111 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 104 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:08,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:38:08,814 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2022-02-20 23:38:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2022-02-20 23:38:08,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:38:08,815 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:38:08,818 INFO L74 IsIncluded]: Start isIncluded. First operand has 111 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 104 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 132 states. [2022-02-20 23:38:08,818 INFO L87 Difference]: Start difference. First operand has 111 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 104 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Second operand 132 states. [2022-02-20 23:38:08,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 23:38:08,820 INFO L93 Difference]: Finished difference Result 132 states and 149 transitions. [2022-02-20 23:38:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 149 transitions. [2022-02-20 23:38:08,821 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 23:38:08,821 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 23:38:08,821 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 23:38:08,821 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 23:38:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.3837209302325582) internal successors, (119), 104 states have internal predecessors, (119), 3 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2022-02-20 23:38:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 126 transitions. [2022-02-20 23:38:08,823 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 126 transitions. Word has length 47 [2022-02-20 23:38:08,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 23:38:08,823 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 126 transitions. [2022-02-20 23:38:08,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.95) internal successors, (59), 20 states have internal predecessors, (59), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-02-20 23:38:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 126 transitions. [2022-02-20 23:38:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-20 23:38:08,824 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 23:38:08,824 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2022-02-20 23:38:08,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-02-20 23:38:09,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:38:09,039 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 21 more)] === [2022-02-20 23:38:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 23:38:09,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1943237295, now seen corresponding path program 2 times [2022-02-20 23:38:09,039 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 23:38:09,039 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788508459] [2022-02-20 23:38:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 23:38:09,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 23:38:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:09,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-02-20 23:38:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:09,312 INFO L290 TraceCheckUtils]: 0: Hoare triple {8912#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8912#true} is VALID [2022-02-20 23:38:09,312 INFO L290 TraceCheckUtils]: 1: Hoare triple {8912#true} #t~short13 := ~len~1 < ~until; {8912#true} is VALID [2022-02-20 23:38:09,313 INFO L290 TraceCheckUtils]: 2: Hoare triple {8912#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8912#true} is VALID [2022-02-20 23:38:09,313 INFO L290 TraceCheckUtils]: 3: Hoare triple {8912#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8912#true} is VALID [2022-02-20 23:38:09,313 INFO L290 TraceCheckUtils]: 4: Hoare triple {8912#true} #res := ~len~1; {8912#true} is VALID [2022-02-20 23:38:09,313 INFO L290 TraceCheckUtils]: 5: Hoare triple {8912#true} assume true; {8912#true} is VALID [2022-02-20 23:38:09,313 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {8912#true} {8912#true} #190#return; {8912#true} is VALID [2022-02-20 23:38:09,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-02-20 23:38:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:09,320 INFO L290 TraceCheckUtils]: 0: Hoare triple {8912#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8912#true} is VALID [2022-02-20 23:38:09,320 INFO L290 TraceCheckUtils]: 1: Hoare triple {8912#true} #t~short13 := ~len~1 < ~until; {8912#true} is VALID [2022-02-20 23:38:09,321 INFO L290 TraceCheckUtils]: 2: Hoare triple {8912#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8912#true} is VALID [2022-02-20 23:38:09,321 INFO L290 TraceCheckUtils]: 3: Hoare triple {8912#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8912#true} is VALID [2022-02-20 23:38:09,321 INFO L290 TraceCheckUtils]: 4: Hoare triple {8912#true} #res := ~len~1; {8912#true} is VALID [2022-02-20 23:38:09,321 INFO L290 TraceCheckUtils]: 5: Hoare triple {8912#true} assume true; {8912#true} is VALID [2022-02-20 23:38:09,322 INFO L284 TraceCheckUtils]: 6: Hoare quadruple {8912#true} {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} #194#return; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,322 INFO L290 TraceCheckUtils]: 0: Hoare triple {8912#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(22, 2); {8912#true} is VALID [2022-02-20 23:38:09,322 INFO L290 TraceCheckUtils]: 1: Hoare triple {8912#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {8912#true} is VALID [2022-02-20 23:38:09,322 INFO L272 TraceCheckUtils]: 2: Hoare triple {8912#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {8912#true} is VALID [2022-02-20 23:38:09,322 INFO L290 TraceCheckUtils]: 3: Hoare triple {8912#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8912#true} is VALID [2022-02-20 23:38:09,323 INFO L290 TraceCheckUtils]: 4: Hoare triple {8912#true} #t~short13 := ~len~1 < ~until; {8912#true} is VALID [2022-02-20 23:38:09,323 INFO L290 TraceCheckUtils]: 5: Hoare triple {8912#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8912#true} is VALID [2022-02-20 23:38:09,323 INFO L290 TraceCheckUtils]: 6: Hoare triple {8912#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8912#true} is VALID [2022-02-20 23:38:09,323 INFO L290 TraceCheckUtils]: 7: Hoare triple {8912#true} #res := ~len~1; {8912#true} is VALID [2022-02-20 23:38:09,323 INFO L290 TraceCheckUtils]: 8: Hoare triple {8912#true} assume true; {8912#true} is VALID [2022-02-20 23:38:09,323 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {8912#true} {8912#true} #190#return; {8912#true} is VALID [2022-02-20 23:38:09,324 INFO L290 TraceCheckUtils]: 10: Hoare triple {8912#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:09,325 INFO L290 TraceCheckUtils]: 11: Hoare triple {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:09,325 INFO L290 TraceCheckUtils]: 12: Hoare triple {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:09,326 INFO L290 TraceCheckUtils]: 13: Hoare triple {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:09,327 INFO L290 TraceCheckUtils]: 14: Hoare triple {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8922#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:38:09,327 INFO L290 TraceCheckUtils]: 15: Hoare triple {8922#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8923#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:09,328 INFO L290 TraceCheckUtils]: 16: Hoare triple {8923#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8923#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:09,328 INFO L290 TraceCheckUtils]: 17: Hoare triple {8923#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8924#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:09,329 INFO L290 TraceCheckUtils]: 18: Hoare triple {8924#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8924#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:09,330 INFO L290 TraceCheckUtils]: 19: Hoare triple {8924#(and (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8925#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,330 INFO L290 TraceCheckUtils]: 20: Hoare triple {8925#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8926#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,331 INFO L290 TraceCheckUtils]: 21: Hoare triple {8926#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8926#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,331 INFO L290 TraceCheckUtils]: 22: Hoare triple {8926#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {8926#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,332 INFO L290 TraceCheckUtils]: 23: Hoare triple {8926#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {8927#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,333 INFO L290 TraceCheckUtils]: 24: Hoare triple {8927#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) |ULTIMATE.start_sll_create_#res#1.offset|)) 0))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,333 INFO L272 TraceCheckUtils]: 25: Hoare triple {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {8912#true} is VALID [2022-02-20 23:38:09,333 INFO L290 TraceCheckUtils]: 26: Hoare triple {8912#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8912#true} is VALID [2022-02-20 23:38:09,333 INFO L290 TraceCheckUtils]: 27: Hoare triple {8912#true} #t~short13 := ~len~1 < ~until; {8912#true} is VALID [2022-02-20 23:38:09,333 INFO L290 TraceCheckUtils]: 28: Hoare triple {8912#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8912#true} is VALID [2022-02-20 23:38:09,333 INFO L290 TraceCheckUtils]: 29: Hoare triple {8912#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8912#true} is VALID [2022-02-20 23:38:09,334 INFO L290 TraceCheckUtils]: 30: Hoare triple {8912#true} #res := ~len~1; {8912#true} is VALID [2022-02-20 23:38:09,334 INFO L290 TraceCheckUtils]: 31: Hoare triple {8912#true} assume true; {8912#true} is VALID [2022-02-20 23:38:09,335 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {8912#true} {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} #194#return; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,335 INFO L290 TraceCheckUtils]: 33: Hoare triple {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,336 INFO L290 TraceCheckUtils]: 34: Hoare triple {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,336 INFO L290 TraceCheckUtils]: 35: Hoare triple {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} assume !main_#t~short19#1; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,337 INFO L290 TraceCheckUtils]: 36: Hoare triple {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} is VALID [2022-02-20 23:38:09,338 INFO L290 TraceCheckUtils]: 37: Hoare triple {8928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {8936#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,338 INFO L290 TraceCheckUtils]: 38: Hoare triple {8936#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_#t~mem22#1.base|) |ULTIMATE.start_main_#t~mem22#1.offset|)) 0))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {8937#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,339 INFO L290 TraceCheckUtils]: 39: Hoare triple {8937#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {8937#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0))} is VALID [2022-02-20 23:38:09,339 INFO L290 TraceCheckUtils]: 40: Hoare triple {8937#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) 0))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {8938#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_#t~mem6#1.base|) |ULTIMATE.start_sll_length_#t~mem6#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_#t~mem6#1.base|) |ULTIMATE.start_sll_length_#t~mem6#1.offset|) 0))} is VALID [2022-02-20 23:38:09,340 INFO L290 TraceCheckUtils]: 41: Hoare triple {8938#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_#t~mem6#1.base|) |ULTIMATE.start_sll_length_#t~mem6#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_#t~mem6#1.base|) |ULTIMATE.start_sll_length_#t~mem6#1.offset|) 0))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {8939#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} is VALID [2022-02-20 23:38:09,341 INFO L290 TraceCheckUtils]: 42: Hoare triple {8939#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {8939#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} is VALID [2022-02-20 23:38:09,341 INFO L290 TraceCheckUtils]: 43: Hoare triple {8939#(and (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_length_~head#1.base|) |ULTIMATE.start_sll_length_~head#1.offset|) 0))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {8940#(and (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0) (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:38:09,341 INFO L290 TraceCheckUtils]: 44: Hoare triple {8940#(and (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0) (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {8941#(and (= |ULTIMATE.start_sll_length_~head#1.base| 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:38:09,342 INFO L290 TraceCheckUtils]: 45: Hoare triple {8941#(and (= |ULTIMATE.start_sll_length_~head#1.base| 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {8913#false} is VALID [2022-02-20 23:38:09,342 INFO L290 TraceCheckUtils]: 46: Hoare triple {8913#false} assume !(1 == #valid[sll_length_~head#1.base]); {8913#false} is VALID [2022-02-20 23:38:09,343 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-02-20 23:38:09,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 23:38:09,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788508459] [2022-02-20 23:38:09,343 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788508459] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-20 23:38:09,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939653111] [2022-02-20 23:38:09,343 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-20 23:38:09,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-20 23:38:09,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:38:09,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-20 23:38:09,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-02-20 23:38:09,449 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-02-20 23:38:09,449 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-20 23:38:09,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 74 conjunts are in the unsatisfiable core [2022-02-20 23:38:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 23:38:09,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 23:38:09,508 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 23:38:09,555 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 11 treesize of output 7 [2022-02-20 23:38:09,560 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 11 treesize of output 7 [2022-02-20 23:38:09,644 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-20 23:38:09,645 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 [2022-02-20 23:38:09,725 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 19 treesize of output 18 [2022-02-20 23:38:09,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-02-20 23:38:11,608 INFO L356 Elim1Store]: treesize reduction 84, result has 25.0 percent of original size [2022-02-20 23:38:11,608 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 120 treesize of output 87 [2022-02-20 23:38:11,679 INFO L356 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2022-02-20 23:38:11,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 37 [2022-02-20 23:38:11,800 INFO L290 TraceCheckUtils]: 0: Hoare triple {8912#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(22, 2); {8912#true} is VALID [2022-02-20 23:38:11,801 INFO L290 TraceCheckUtils]: 1: Hoare triple {8912#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1.base, main_#t~ret16#1.offset, main_#t~ret17#1, main_#t~ret20#1, main_#t~post21#1, main_~position~0#1, main_#t~nondet18#1, main_#t~short19#1, main_#t~mem22#1.base, main_#t~mem22#1.offset, main_#t~ret23#1, main_#t~mem24#1.base, main_#t~mem24#1.offset, main_~len~2#1, main_~#s~0#1.base, main_~#s~0#1.offset, main_~k~0#1, main_~i~0#1; {8912#true} is VALID [2022-02-20 23:38:11,801 INFO L272 TraceCheckUtils]: 2: Hoare triple {8912#true} call main_#t~ret15#1 := _get_nondet_int(2, 5); {8912#true} is VALID [2022-02-20 23:38:11,801 INFO L290 TraceCheckUtils]: 3: Hoare triple {8912#true} ~from := #in~from;~until := #in~until;~len~1 := ~from; {8912#true} is VALID [2022-02-20 23:38:11,801 INFO L290 TraceCheckUtils]: 4: Hoare triple {8912#true} #t~short13 := ~len~1 < ~until; {8912#true} is VALID [2022-02-20 23:38:11,801 INFO L290 TraceCheckUtils]: 5: Hoare triple {8912#true} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {8912#true} is VALID [2022-02-20 23:38:11,801 INFO L290 TraceCheckUtils]: 6: Hoare triple {8912#true} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {8912#true} is VALID [2022-02-20 23:38:11,802 INFO L290 TraceCheckUtils]: 7: Hoare triple {8912#true} #res := ~len~1; {8912#true} is VALID [2022-02-20 23:38:11,802 INFO L290 TraceCheckUtils]: 8: Hoare triple {8912#true} assume true; {8912#true} is VALID [2022-02-20 23:38:11,802 INFO L284 TraceCheckUtils]: 9: Hoare quadruple {8912#true} {8912#true} #190#return; {8912#true} is VALID [2022-02-20 23:38:11,803 INFO L290 TraceCheckUtils]: 10: Hoare triple {8912#true} assume -2147483648 <= main_#t~ret15#1 && main_#t~ret15#1 <= 2147483647;main_~len~2#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_~#s~0#1.base, main_~#s~0#1.offset := #Ultimate.allocOnStack(4);assume { :begin_inline_sll_create } true;sll_create_#in~len#1 := main_~len~2#1;havoc sll_create_#res#1.base, sll_create_#res#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, sll_create_#t~post3#1, sll_create_~len#1, sll_create_~head~0#1.base, sll_create_~head~0#1.offset;sll_create_~len#1 := sll_create_#in~len#1;sll_create_~head~0#1.base, sll_create_~head~0#1.offset := 0, 0; {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:11,803 INFO L290 TraceCheckUtils]: 11: Hoare triple {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} is VALID [2022-02-20 23:38:11,804 INFO L290 TraceCheckUtils]: 12: Hoare triple {8921#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8981#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:38:11,805 INFO L290 TraceCheckUtils]: 13: Hoare triple {8981#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8981#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:38:11,806 INFO L290 TraceCheckUtils]: 14: Hoare triple {8981#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= |ULTIMATE.start_sll_create_~head~0#1.base| 0) (= |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$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {8988#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} is VALID [2022-02-20 23:38:11,806 INFO L290 TraceCheckUtils]: 15: Hoare triple {8988#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_sll_create_~new_head~0#1.base|) 1))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {8992#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,807 INFO L290 TraceCheckUtils]: 16: Hoare triple {8992#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {8992#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,807 INFO L290 TraceCheckUtils]: 17: Hoare triple {8992#(and (= (select |#valid| |ULTIMATE.start_sll_create_~head~0#1.base|) 1) (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} assume !!(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1;call sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(4);sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset := sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset;havoc sll_create_#t~malloc4#1.base, sll_create_#t~malloc4#1.offset; {8999#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,808 INFO L290 TraceCheckUtils]: 18: Hoare triple {8999#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} assume !(0 == sll_create_~new_head~0#1.base && 0 == sll_create_~new_head~0#1.offset); {8999#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,809 INFO L290 TraceCheckUtils]: 19: Hoare triple {8999#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_sll_create_~head~0#1.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(sll_create_~head~0#1.base, sll_create_~head~0#1.offset, sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset, 4); srcloc: L578-1 {9006#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,810 INFO L290 TraceCheckUtils]: 20: Hoare triple {9006#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) |ULTIMATE.start_sll_create_~new_head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|) 0) (= |ULTIMATE.start_sll_create_~new_head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~new_head~0#1.base|) |ULTIMATE.start_sll_create_~new_head~0#1.offset|)) 0) 0))} sll_create_~head~0#1.base, sll_create_~head~0#1.offset := sll_create_~new_head~0#1.base, sll_create_~new_head~0#1.offset; {9010#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,811 INFO L290 TraceCheckUtils]: 21: Hoare triple {9010#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} sll_create_#t~post3#1 := sll_create_~len#1;sll_create_~len#1 := sll_create_#t~post3#1 - 1; {9010#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,811 INFO L290 TraceCheckUtils]: 22: Hoare triple {9010#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} assume !(sll_create_#t~post3#1 > 0);havoc sll_create_#t~post3#1; {9010#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} is VALID [2022-02-20 23:38:11,812 INFO L290 TraceCheckUtils]: 23: Hoare triple {9010#(and (= |ULTIMATE.start_sll_create_~head~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)) 0) 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|) |ULTIMATE.start_sll_create_~head~0#1.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_~head~0#1.base|) |ULTIMATE.start_sll_create_~head~0#1.offset|)))} sll_create_#res#1.base, sll_create_#res#1.offset := sll_create_~head~0#1.base, sll_create_~head~0#1.offset; {9020#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 0)))} is VALID [2022-02-20 23:38:11,813 INFO L290 TraceCheckUtils]: 24: Hoare triple {9020#(and (= 0 (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0)) 0)) (= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0)) 0)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_sll_create_#res#1.base|) 0) |ULTIMATE.start_sll_create_#res#1.base|)) (= |ULTIMATE.start_sll_create_#res#1.offset| 0) (= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_sll_create_#res#1.base|) 0)))} main_#t~ret16#1.base, main_#t~ret16#1.offset := sll_create_#res#1.base, sll_create_#res#1.offset;assume { :end_inline_sll_create } true;call write~init~$Pointer$(main_#t~ret16#1.base, main_#t~ret16#1.offset, main_~#s~0#1.base, main_~#s~0#1.offset, 4);havoc main_#t~ret16#1.base, main_#t~ret16#1.offset; {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,814 INFO L272 TraceCheckUtils]: 25: Hoare triple {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} call main_#t~ret17#1 := _get_nondet_int(0, main_~len~2#1 - 1); {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,816 INFO L290 TraceCheckUtils]: 26: Hoare triple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} ~from := #in~from;~until := #in~until;~len~1 := ~from; {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,817 INFO L290 TraceCheckUtils]: 27: Hoare triple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} #t~short13 := ~len~1 < ~until; {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,818 INFO L290 TraceCheckUtils]: 28: Hoare triple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} assume #t~short13;assume -2147483648 <= #t~nondet12 && #t~nondet12 <= 2147483647;#t~short13 := 0 != #t~nondet12; {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,819 INFO L290 TraceCheckUtils]: 29: Hoare triple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} assume !#t~short13;havoc #t~nondet12;havoc #t~short13; {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,820 INFO L290 TraceCheckUtils]: 30: Hoare triple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} #res := ~len~1; {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,821 INFO L290 TraceCheckUtils]: 31: Hoare triple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} assume true; {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} is VALID [2022-02-20 23:38:11,822 INFO L284 TraceCheckUtils]: 32: Hoare quadruple {9028#(exists ((|v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8| Int) (|v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9| Int)) (and (not (= (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|) (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|)) 0)) 0) 0) (= 0 (select (select |#memory_$Pointer$.offset| |v_ULTIMATE.start_main_~#s~0#1.base_BEFORE_CALL_9|) |v_ULTIMATE.start_main_~#s~0#1.offset_BEFORE_CALL_8|))))} {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} #194#return; {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,822 INFO L290 TraceCheckUtils]: 33: Hoare triple {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~k~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;main_~i~0#1 := 0; {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,823 INFO L290 TraceCheckUtils]: 34: Hoare triple {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} main_#t~short19#1 := main_~i~0#1 < main_~k~0#1; {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,824 INFO L290 TraceCheckUtils]: 35: Hoare triple {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} assume !main_#t~short19#1; {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,824 INFO L290 TraceCheckUtils]: 36: Hoare triple {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} assume !main_#t~short19#1;havoc main_#t~nondet18#1;havoc main_#t~short19#1; {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} is VALID [2022-02-20 23:38:11,825 INFO L290 TraceCheckUtils]: 37: Hoare triple {9024#(and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0))} SUMMARY for call main_#t~mem22#1.base, main_#t~mem22#1.offset := read~$Pointer$(main_~#s~0#1.base, main_~#s~0#1.offset, 4); srcloc: L631-6 {9065#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_#t~mem22#1.offset|)))} is VALID [2022-02-20 23:38:11,827 INFO L290 TraceCheckUtils]: 38: Hoare triple {9065#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_main_#t~mem22#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_main_#t~mem22#1.offset|)))} assume { :begin_inline_sll_length } true;sll_length_#in~head#1.base, sll_length_#in~head#1.offset := main_#t~mem22#1.base, main_#t~mem22#1.offset;havoc sll_length_#res#1;havoc sll_length_#t~post5#1, sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset, sll_length_~head#1.base, sll_length_~head#1.offset, sll_length_~len~0#1;sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#in~head#1.base, sll_length_#in~head#1.offset;sll_length_~len~0#1 := 0; {9069#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:11,828 INFO L290 TraceCheckUtils]: 39: Hoare triple {9069#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {9069#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:11,829 INFO L290 TraceCheckUtils]: 40: Hoare triple {9069#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) |ULTIMATE.start_sll_length_~head#1.offset|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_~head#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {9076#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_#t~mem6#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:11,830 INFO L290 TraceCheckUtils]: 41: Hoare triple {9076#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_#t~mem6#1.offset|) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= |ULTIMATE.start_sll_length_#t~mem6#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {9080#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:11,832 INFO L290 TraceCheckUtils]: 42: Hoare triple {9080#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {9080#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} is VALID [2022-02-20 23:38:11,833 INFO L290 TraceCheckUtils]: 43: Hoare triple {9080#(exists ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|) 0) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.base|) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) |ULTIMATE.start_sll_length_~head#1.offset|) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0)) 0) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) 0) 0)))} SUMMARY for call sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset := read~$Pointer$(sll_length_~head#1.base, sll_length_~head#1.offset, 4); srcloc: L590 {8940#(and (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0) (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} is VALID [2022-02-20 23:38:11,833 INFO L290 TraceCheckUtils]: 44: Hoare triple {8940#(and (= |ULTIMATE.start_sll_length_#t~mem6#1.offset| 0) (= |ULTIMATE.start_sll_length_#t~mem6#1.base| 0))} sll_length_~head#1.base, sll_length_~head#1.offset := sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset;havoc sll_length_#t~mem6#1.base, sll_length_#t~mem6#1.offset; {8941#(and (= |ULTIMATE.start_sll_length_~head#1.base| 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} is VALID [2022-02-20 23:38:11,834 INFO L290 TraceCheckUtils]: 45: Hoare triple {8941#(and (= |ULTIMATE.start_sll_length_~head#1.base| 0) (= |ULTIMATE.start_sll_length_~head#1.offset| 0))} assume !!(sll_length_~head#1.base != 0 || sll_length_~head#1.offset != 0);sll_length_#t~post5#1 := sll_length_~len~0#1;sll_length_~len~0#1 := 1 + sll_length_#t~post5#1;havoc sll_length_#t~post5#1; {8913#false} is VALID [2022-02-20 23:38:11,834 INFO L290 TraceCheckUtils]: 46: Hoare triple {8913#false} assume !(1 == #valid[sll_length_~head#1.base]); {8913#false} is VALID [2022-02-20 23:38:11,835 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 9 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 23:38:11,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-20 23:38:13,524 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#s~0#1.offset| Int) (|ULTIMATE.start_main_~#s~0#1.base| Int)) (let ((.cse3 (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_create_~head~0#1.offset|))) (.cse0 (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base| (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_sll_create_~new_head~0#1.base|) |c_ULTIMATE.start_sll_create_~new_head~0#1.offset| |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (let ((.cse4 (select (select .cse0 |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|)) (.cse5 (select (select .cse3 |ULTIMATE.start_main_~#s~0#1.base|) |ULTIMATE.start_main_~#s~0#1.offset|))) (or (let ((.cse1 (select (select .cse0 .cse4) .cse5)) (.cse2 (select (select .cse3 .cse4) .cse5))) (and (= (select (select .cse0 .cse1) .cse2) 0) (= (select (select .cse3 .cse1) .cse2) 0))) (not (= |c_ULTIMATE.start_sll_create_~new_head~0#1.base| .cse4)) (not (= .cse5 |c_ULTIMATE.start_sll_create_~new_head~0#1.offset|)))))) is different from false [2022-02-20 23:38:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-20 23:38:17,668 INFO L356 Elim1Store]: treesize reduction 3052, result has 38.8 percent of original size [2022-02-20 23:38:17,670 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 18 new quantified variables, introduced 78 case distinctions, treesize of input 61420 treesize of output 51126