/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:14:10,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:14:10,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:14:10,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:14:10,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:14:10,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:14:10,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:14:10,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:14:10,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:14:10,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:14:10,596 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:14:10,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:14:10,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:14:10,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:14:10,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:14:10,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:14:10,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:14:10,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:14:10,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:14:10,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:14:10,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:14:10,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:14:10,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:14:10,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:14:10,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:14:10,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:14:10,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:14:10,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:14:10,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:14:10,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:14:10,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:14:10,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:14:10,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:14:10,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:14:10,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:14:10,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:14:10,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:14:10,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:14:10,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:14:10,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:14:10,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:14:10,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:14:10,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:14:10,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:14:10,729 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:14:10,729 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:14:10,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:14:10,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:14:10,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:14:10,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:14:10,736 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:14:10,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:14:10,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:14:10,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:14:10,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:14:10,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:14:10,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:14:10,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:14:10,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:14:10,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:14:10,740 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:14:10,740 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:14:10,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:14:10,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:14:10,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:14:10,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:14:10,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:14:10,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:14:10,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:14:10,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:14:10,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:14:10,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:14:10,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:14:10,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:14:10,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:14:10,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:14:11,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:14:11,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:14:11,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:14:11,289 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:14:11,290 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:14:11,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-1.i [2022-10-16 14:14:11,394 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd4049c5/78d6b1848a9c45fca02fa7de051770d7/FLAG57f7c8a4c [2022-10-16 14:14:12,126 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:14:12,129 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-1.i [2022-10-16 14:14:12,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd4049c5/78d6b1848a9c45fca02fa7de051770d7/FLAG57f7c8a4c [2022-10-16 14:14:12,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cd4049c5/78d6b1848a9c45fca02fa7de051770d7 [2022-10-16 14:14:12,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:14:12,395 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:14:12,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:14:12,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:14:12,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:14:12,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:12" (1/1) ... [2022-10-16 14:14:12,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238aa4fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:12, skipping insertion in model container [2022-10-16 14:14:12,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:14:12" (1/1) ... [2022-10-16 14:14:12,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:14:12,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:14:12,992 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-ext2-properties/simple_and_skiplist_2lvl-1.i[24032,24045] [2022-10-16 14:14:12,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:14:13,005 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:14:13,066 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-ext2-properties/simple_and_skiplist_2lvl-1.i[24032,24045] [2022-10-16 14:14:13,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:14:13,120 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:14:13,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13 WrapperNode [2022-10-16 14:14:13,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:14:13,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:14:13,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:14:13,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:14:13,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,186 INFO L138 Inliner]: procedures = 126, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 174 [2022-10-16 14:14:13,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:14:13,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:14:13,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:14:13,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:14:13,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:14:13,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:14:13,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:14:13,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:14:13,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (1/1) ... [2022-10-16 14:14:13,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:14:13,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:14:13,282 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) [2022-10-16 14:14:13,292 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 [2022-10-16 14:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-16 14:14:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-16 14:14:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:14:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:14:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:14:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:14:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:14:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:14:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:14:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:14:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:14:13,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:14:13,506 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:14:13,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:14:13,587 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-16 14:14:14,012 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:14:14,022 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:14:14,022 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-16 14:14:14,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:14:14 BoogieIcfgContainer [2022-10-16 14:14:14,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:14:14,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:14:14,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:14:14,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:14:14,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:14:12" (1/3) ... [2022-10-16 14:14:14,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20657058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:14:14, skipping insertion in model container [2022-10-16 14:14:14,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:14:13" (2/3) ... [2022-10-16 14:14:14,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20657058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:14:14, skipping insertion in model container [2022-10-16 14:14:14,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:14:14" (3/3) ... [2022-10-16 14:14:14,046 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_and_skiplist_2lvl-1.i [2022-10-16 14:14:14,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:14:14,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-10-16 14:14:14,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20657058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:14:14, skipping insertion in model container [2022-10-16 14:14:14,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 14:14:14,077 INFO L158 Benchmark]: Toolchain (without parser) took 1683.48ms. Allocated memory is still 151.0MB. Free memory was 123.8MB in the beginning and 110.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.8MB. Max. memory is 8.0GB. [2022-10-16 14:14:14,079 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 14:14:14,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.03ms. Allocated memory is still 151.0MB. Free memory was 123.6MB in the beginning and 106.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-10-16 14:14:14,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.83ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 103.7MB in the end (delta: 2.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 14:14:14,086 INFO L158 Benchmark]: Boogie Preprocessor took 47.70ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 101.8MB in the end (delta: 1.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-10-16 14:14:14,087 INFO L158 Benchmark]: RCFGBuilder took 793.14ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 113.3MB in the end (delta: -11.6MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2022-10-16 14:14:14,089 INFO L158 Benchmark]: TraceAbstraction took 39.22ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 14:14:14,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 151.0MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 725.03ms. Allocated memory is still 151.0MB. Free memory was 123.6MB in the beginning and 106.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.83ms. Allocated memory is still 151.0MB. Free memory was 106.1MB in the beginning and 103.7MB in the end (delta: 2.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.70ms. Allocated memory is still 151.0MB. Free memory was 103.7MB in the beginning and 101.8MB in the end (delta: 1.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 793.14ms. Allocated memory is still 151.0MB. Free memory was 101.6MB in the beginning and 113.3MB in the end (delta: -11.6MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. * TraceAbstraction took 39.22ms. Allocated memory is still 151.0MB. Free memory was 112.2MB in the beginning and 110.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-10-16 14:14:14,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...