./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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/nla-digbench-scaling/lcm1_valuebound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9736525592230b3a493164463763e3e181b5080e ........................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:16:15,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:15,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:15,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:15,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:15,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:15,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:15,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:15,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:15,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:15,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:15,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:15,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:15,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:15,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:15,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:15,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:15,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:15,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:15,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:15,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:15,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:15,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:15,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:15,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:15,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:15,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:15,946 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:15,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:15,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:15,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:15,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:15,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:15,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:15,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:15,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:15,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:15,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:15,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:15,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:15,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:15,954 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:16:15,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:15,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:15,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:15,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:15,978 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:15,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:15,978 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:15,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:16:15,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:15,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:15,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:15,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:15,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:15,979 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:15,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:15,980 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:15,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:15,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:15,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:15,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:15,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:15,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:15,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:15,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:15,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:15,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:16:15,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:16:15,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:15,982 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:15,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9736525592230b3a493164463763e3e181b5080e [2020-10-20 01:16:16,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:16,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:16,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:16,209 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:16,210 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:16,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2020-10-20 01:16:16,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521d8011a/078275692dbe41c1a0de964a1687a695/FLAG6614001ee [2020-10-20 01:16:16,700 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:16,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_valuebound5.c [2020-10-20 01:16:16,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521d8011a/078275692dbe41c1a0de964a1687a695/FLAG6614001ee [2020-10-20 01:16:17,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/521d8011a/078275692dbe41c1a0de964a1687a695 [2020-10-20 01:16:17,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:17,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:17,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:17,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:17,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:17,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec022d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17, skipping insertion in model container [2020-10-20 01:16:17,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:17,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:17,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:17,376 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:16:17,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:17,413 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:16:17,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17 WrapperNode [2020-10-20 01:16:17,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:17,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:17,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:16:17,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:16:17,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,427 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:17,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:16:17,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:16:17,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:16:17,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... [2020-10-20 01:16:17,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:16:17,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:16:17,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:16:17,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:16:17,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:16:17,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:16:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-20 01:16:21,256 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:16:21,257 INFO L298 CfgBuilder]: Removed 39 assume(true) statements. [2020-10-20 01:16:21,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:21 BoogieIcfgContainer [2020-10-20 01:16:21,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:16:21,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:16:21,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:16:21,264 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:16:21,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:16:17" (1/3) ... [2020-10-20 01:16:21,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa3c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:21, skipping insertion in model container [2020-10-20 01:16:21,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:17" (2/3) ... [2020-10-20 01:16:21,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30fa3c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:21, skipping insertion in model container [2020-10-20 01:16:21,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:21" (3/3) ... [2020-10-20 01:16:21,268 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm1_valuebound5.c [2020-10-20 01:16:21,279 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:16:21,285 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:16:21,298 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:16:21,319 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:16:21,319 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:16:21,319 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:16:21,319 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:16:21,320 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:16:21,320 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:16:21,320 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:16:21,320 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:16:21,335 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-20 01:16:21,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:16:21,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 30 states. [2020-10-20 01:16:21,415 INFO L274 CegarLoopResult]: For program point L52-1(lines 39 59) no Hoare annotation was computed. [2020-10-20 01:16:21,415 INFO L277 CegarLoopResult]: At program point L52-2(lines 39 59) the Hoare annotation is: true [2020-10-20 01:16:21,415 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-20 01:16:21,415 INFO L277 CegarLoopResult]: At program point L44-2(lines 44 50) the Hoare annotation is: true [2020-10-20 01:16:21,415 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-10-20 01:16:21,416 INFO L274 CegarLoopResult]: For program point L11-4(line 11) no Hoare annotation was computed. [2020-10-20 01:16:21,416 INFO L274 CegarLoopResult]: For program point L11-6(line 11) no Hoare annotation was computed. [2020-10-20 01:16:21,416 INFO L274 CegarLoopResult]: For program point L11-8(line 11) no Hoare annotation was computed. [2020-10-20 01:16:21,416 INFO L274 CegarLoopResult]: For program point L11-10(line 11) no Hoare annotation was computed. [2020-10-20 01:16:21,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:16:21,416 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:16:21,417 INFO L274 CegarLoopResult]: For program point L14(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:16:21,417 INFO L277 CegarLoopResult]: At program point L14-1(lines 41 42) the Hoare annotation is: true [2020-10-20 01:16:21,417 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:16:21,417 INFO L277 CegarLoopResult]: At program point L14-3(lines 46 47) the Hoare annotation is: true [2020-10-20 01:16:21,417 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:16:21,417 INFO L277 CegarLoopResult]: At program point L14-5(lines 54 55) the Hoare annotation is: true [2020-10-20 01:16:21,418 INFO L274 CegarLoopResult]: For program point L14-6(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:16:21,418 INFO L277 CegarLoopResult]: At program point L14-7(lines 13 19) the Hoare annotation is: true [2020-10-20 01:16:21,418 INFO L274 CegarLoopResult]: For program point L14-8(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:16:21,418 INFO L274 CegarLoopResult]: For program point L39-2(lines 39 59) no Hoare annotation was computed. [2020-10-20 01:16:21,418 INFO L277 CegarLoopResult]: At program point L14-9(lines 13 19) the Hoare annotation is: true [2020-10-20 01:16:21,418 INFO L277 CegarLoopResult]: At program point L66(lines 21 67) the Hoare annotation is: true [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point L10-2(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point L10-3(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point L10-4(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:16:21,419 INFO L274 CegarLoopResult]: For program point L10-5(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:16:21,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:16:21 BoogieIcfgContainer [2020-10-20 01:16:21,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:16:21,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:16:21,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:16:21,429 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:16:21,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:21" (3/4) ... [2020-10-20 01:16:21,433 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:16:21,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-10-20 01:16:21,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:16:21,508 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:16:21,508 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:16:21,510 INFO L168 Benchmark]: Toolchain (without parser) took 4488.54 ms. Allocated memory was 35.1 MB in the beginning and 48.8 MB in the end (delta: 13.6 MB). Free memory was 7.3 MB in the beginning and 21.4 MB in the end (delta: -14.1 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:16:21,511 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 34.6 MB. Free memory is still 10.7 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:16:21,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.26 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 6.4 MB in the beginning and 20.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:21,512 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.94 ms. Allocated memory is still 45.1 MB. Free memory was 20.5 MB in the beginning and 18.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:21,513 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 ms. Allocated memory is still 45.1 MB. Free memory was 18.5 MB in the beginning and 17.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:21,514 INFO L168 Benchmark]: RCFGBuilder took 3783.32 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.1 MB in the beginning and 17.3 MB in the end (delta: -207.3 kB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:21,514 INFO L168 Benchmark]: TraceAbstraction took 168.57 ms. Allocated memory was 46.7 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Free memory was 16.8 MB in the beginning and 25.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:21,515 INFO L168 Benchmark]: Witness Printer took 78.81 ms. Allocated memory is still 48.8 MB. Free memory was 25.5 MB in the beginning and 21.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:21,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 34.6 MB. Free memory is still 10.7 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 386.26 ms. Allocated memory was 35.1 MB in the beginning and 45.1 MB in the end (delta: 10.0 MB). Free memory was 6.4 MB in the beginning and 20.5 MB in the end (delta: -14.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 36.94 ms. Allocated memory is still 45.1 MB. Free memory was 20.5 MB in the beginning and 18.5 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 24.13 ms. Allocated memory is still 45.1 MB. Free memory was 18.5 MB in the beginning and 17.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 3783.32 ms. Allocated memory was 45.1 MB in the beginning and 46.7 MB in the end (delta: 1.6 MB). Free memory was 17.1 MB in the beginning and 17.3 MB in the end (delta: -207.3 kB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 168.57 ms. Allocated memory was 46.7 MB in the beginning and 48.8 MB in the end (delta: 2.1 MB). Free memory was 16.8 MB in the beginning and 25.5 MB in the end (delta: -8.7 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Witness Printer took 78.81 ms. Allocated memory is still 48.8 MB. Free memory was 25.5 MB in the beginning and 21.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * 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. - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...