./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive-simple/id2_b2_o3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0b05dcf763e887e9392537d1f8dbe5d5ee01cea ................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 22:44:41,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 22:44:41,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 22:44:41,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 22:44:41,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 22:44:41,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 22:44:41,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 22:44:41,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 22:44:41,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 22:44:41,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 22:44:41,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 22:44:41,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 22:44:41,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 22:44:41,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 22:44:41,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 22:44:41,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 22:44:41,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 22:44:41,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 22:44:41,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 22:44:41,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 22:44:41,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 22:44:41,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 22:44:41,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 22:44:41,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 22:44:41,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 22:44:41,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 22:44:41,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 22:44:41,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 22:44:41,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 22:44:41,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 22:44:41,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 22:44:41,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 22:44:41,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 22:44:41,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 22:44:41,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 22:44:41,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 22:44:41,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 22:44:41,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 22:44:41,738 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 22:44:41,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 22:44:41,740 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 22:44:41,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-30 22:44:41,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 22:44:41,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 22:44:41,774 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 22:44:41,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 22:44:41,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 22:44:41,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 22:44:41,776 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 22:44:41,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 22:44:41,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-30 22:44:41,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 22:44:41,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 22:44:41,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-30 22:44:41,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 22:44:41,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-30 22:44:41,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 22:44:41,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-30 22:44:41,779 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-30 22:44:41,779 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-30 22:44:41,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-30 22:44:41,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 22:44:41,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-30 22:44:41,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 22:44:41,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 22:44:41,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 22:44:41,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:44:41,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 22:44:41,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 22:44:41,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-30 22:44:41,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 22:44:41,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 22:44:41,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-30 22:44:41,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 22:44:41,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0b05dcf763e887e9392537d1f8dbe5d5ee01cea [2021-08-30 22:44:42,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 22:44:42,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 22:44:42,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 22:44:42,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 22:44:42,117 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 22:44:42,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-08-30 22:44:42,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f881303c0/f2e35a2548654b3caa4045f530f3a14c/FLAG813757132 [2021-08-30 22:44:42,600 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 22:44:42,601 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2021-08-30 22:44:42,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f881303c0/f2e35a2548654b3caa4045f530f3a14c/FLAG813757132 [2021-08-30 22:44:43,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f881303c0/f2e35a2548654b3caa4045f530f3a14c [2021-08-30 22:44:43,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 22:44:43,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-30 22:44:43,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 22:44:43,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 22:44:43,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 22:44:43,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd5125c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43, skipping insertion in model container [2021-08-30 22:44:43,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 22:44:43,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 22:44:43,203 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-08-30 22:44:43,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:44:43,210 INFO L203 MainTranslator]: Completed pre-run [2021-08-30 22:44:43,226 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c[771,784] [2021-08-30 22:44:43,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-30 22:44:43,238 INFO L208 MainTranslator]: Completed translation [2021-08-30 22:44:43,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43 WrapperNode [2021-08-30 22:44:43,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 22:44:43,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-30 22:44:43,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-30 22:44:43,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-30 22:44:43,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,266 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-30 22:44:43,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-30 22:44:43,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-30 22:44:43,268 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-30 22:44:43,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-30 22:44:43,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-30 22:44:43,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-30 22:44:43,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-30 22:44:43,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (1/1) ... [2021-08-30 22:44:43,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 22:44:43,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-30 22:44:43,334 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) [2021-08-30 22:44:43,355 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 [2021-08-30 22:44:43,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-30 22:44:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-30 22:44:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-08-30 22:44:43,371 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-08-30 22:44:43,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-30 22:44:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-30 22:44:43,372 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-08-30 22:44:43,372 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-08-30 22:44:43,525 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-30 22:44:43,526 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-30 22:44:43,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:44:43 BoogieIcfgContainer [2021-08-30 22:44:43,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-30 22:44:43,529 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-30 22:44:43,529 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-30 22:44:43,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-30 22:44:43,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:44:43" (1/3) ... [2021-08-30 22:44:43,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5281760b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:44:43, skipping insertion in model container [2021-08-30 22:44:43,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:44:43" (2/3) ... [2021-08-30 22:44:43,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5281760b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:44:43, skipping insertion in model container [2021-08-30 22:44:43,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:44:43" (3/3) ... [2021-08-30 22:44:43,535 INFO L111 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2021-08-30 22:44:43,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-30 22:44:43,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-08-30 22:44:43,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5281760b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 10:44:43, skipping insertion in model container [2021-08-30 22:44:43,540 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-30 22:44:43,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-30 22:44:43,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-30 22:44:43,542 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-30 22:44:43,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:44:43" (3/3) ... [2021-08-30 22:44:43,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-30 22:44:43,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-08-30 22:44:43,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-08-30 22:44:43,556 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-30 22:44:43,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-30 22:44:43,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:44:43,557 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-30 22:44:43,602 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-30 22:44:43,602 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-30 22:44:43,604 INFO L158 Benchmark]: Toolchain (without parser) took 587.63ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.5MB in the beginning and 36.9MB in the end (delta: -9.4MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-08-30 22:44:43,604 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:44:43,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.74ms. Allocated memory is still 50.3MB. Free memory was 27.4MB in the beginning and 29.6MB in the end (delta: -2.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-08-30 22:44:43,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.13ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 50.5MB in the end (delta: -20.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-08-30 22:44:43,606 INFO L158 Benchmark]: Boogie Preprocessor took 32.80ms. Allocated memory is still 67.1MB. Free memory was 50.5MB in the beginning and 49.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-30 22:44:43,606 INFO L158 Benchmark]: RCFGBuilder took 227.29ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 40.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-30 22:44:43,607 INFO L158 Benchmark]: TraceAbstraction took 11.33ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 899.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 22:44:43,607 INFO L158 Benchmark]: Witness Printer took 60.60ms. Allocated memory is still 67.1MB. Free memory was 39.6MB in the beginning and 36.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-30 22:44:43,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 222.74ms. Allocated memory is still 50.3MB. Free memory was 27.4MB in the beginning and 29.6MB in the end (delta: -2.2MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.13ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 29.6MB in the beginning and 50.5MB in the end (delta: -20.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.80ms. Allocated memory is still 67.1MB. Free memory was 50.5MB in the beginning and 49.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 227.29ms. Allocated memory is still 67.1MB. Free memory was 49.5MB in the beginning and 40.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 11.33ms. Allocated memory is still 67.1MB. Free memory was 40.5MB in the beginning and 39.6MB in the end (delta: 899.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.60ms. Allocated memory is still 67.1MB. Free memory was 39.6MB in the beginning and 36.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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! [2021-08-30 22:44:43,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...