./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2_valuebound2.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/ps2_valuebound2.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 fc68c38e87620d0486239cd558282f3d1133f2c3 ............................................................................................................................................................................................................................. 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 01:16:42,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:42,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:43,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:43,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:43,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:43,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:43,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:43,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:43,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:43,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:43,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:43,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:43,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:43,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:43,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:43,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:43,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:43,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:43,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:43,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:43,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:43,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:43,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:43,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:43,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:43,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:43,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:43,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:43,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:43,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:43,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:43,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:43,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:43,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:43,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:43,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:43,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:43,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:43,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:43,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:43,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:16:43,075 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:43,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:43,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:43,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:43,077 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:43,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:43,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:43,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:16:43,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:43,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:43,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:43,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:43,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:43,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:43,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:43,080 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:43,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:43,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:43,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:43,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:43,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:43,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:43,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:43,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:43,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:43,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:16:43,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:16:43,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:43,083 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:43,083 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 -> fc68c38e87620d0486239cd558282f3d1133f2c3 [2020-10-20 01:16:43,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:43,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:43,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:43,333 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:43,336 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:43,337 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2_valuebound2.c [2020-10-20 01:16:43,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a308adb6/c57b2c0a48ad4818ae106f4e78ba5be3/FLAGe804e29f2 [2020-10-20 01:16:43,900 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:43,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2_valuebound2.c [2020-10-20 01:16:43,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a308adb6/c57b2c0a48ad4818ae106f4e78ba5be3/FLAGe804e29f2 [2020-10-20 01:16:44,303 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a308adb6/c57b2c0a48ad4818ae106f4e78ba5be3 [2020-10-20 01:16:44,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:44,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:44,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:44,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:44,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:44,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1a3c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44, skipping insertion in model container [2020-10-20 01:16:44,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:44,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:44,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:44,602 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:16:44,625 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:44,637 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:16:44,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44 WrapperNode [2020-10-20 01:16:44,638 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:44,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:44,639 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:16:44,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:16:44,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:44,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:16:44,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:16:44,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:16:44,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (1/1) ... [2020-10-20 01:16:44,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:16:44,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:16:44,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:16:44,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:16:44,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (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 01:16:44,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:16:44,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:16:44,958 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:16:44,958 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-20 01:16:44,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:44 BoogieIcfgContainer [2020-10-20 01:16:44,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:16:44,962 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:16:44,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:16:44,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:16:44,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:16:44" (1/3) ... [2020-10-20 01:16:44,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9fa09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:44, skipping insertion in model container [2020-10-20 01:16:44,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:44" (2/3) ... [2020-10-20 01:16:44,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9fa09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:44, skipping insertion in model container [2020-10-20 01:16:44,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:44" (3/3) ... [2020-10-20 01:16:44,987 INFO L111 eAbstractionObserver]: Analyzing ICFG ps2_valuebound2.c [2020-10-20 01:16:45,007 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:16:45,016 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:16:45,052 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:16:45,080 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:16:45,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:16:45,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:16:45,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:16:45,082 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:16:45,082 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:16:45,082 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:16:45,082 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:16:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-10-20 01:16:45,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:16:45,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 12 states. [2020-10-20 01:16:45,160 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:16:45,160 INFO L277 CegarLoopResult]: At program point L25-2(lines 25 34) the Hoare annotation is: true [2020-10-20 01:16:45,160 INFO L274 CegarLoopResult]: For program point L25-3(lines 25 34) no Hoare annotation was computed. [2020-10-20 01:16:45,160 INFO L274 CegarLoopResult]: For program point L9(lines 9 12) no Hoare annotation was computed. [2020-10-20 01:16:45,161 INFO L277 CegarLoopResult]: At program point L9-1(lines 28 29) the Hoare annotation is: true [2020-10-20 01:16:45,161 INFO L274 CegarLoopResult]: For program point L9-2(lines 9 12) no Hoare annotation was computed. [2020-10-20 01:16:45,161 INFO L277 CegarLoopResult]: At program point L9-3(lines 8 14) the Hoare annotation is: true [2020-10-20 01:16:45,161 INFO L274 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-10-20 01:16:45,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:16:45,162 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:16:45,162 INFO L274 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-10-20 01:16:45,162 INFO L277 CegarLoopResult]: At program point L37(lines 16 38) the Hoare annotation is: true [2020-10-20 01:16:45,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:16:45 BoogieIcfgContainer [2020-10-20 01:16:45,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:16:45,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:16:45,171 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:16:45,171 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:16:45,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:44" (3/4) ... [2020-10-20 01:16:45,175 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:16:45,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-10-20 01:16:45,185 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:16:45,232 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:16:45,233 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:16:45,236 INFO L168 Benchmark]: Toolchain (without parser) took 924.71 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 19.3 MB in the beginning and 11.3 MB in the end (delta: 8.0 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,237 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.58 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 18.4 MB in the beginning and 20.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,239 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.17 ms. Allocated memory is still 41.4 MB. Free memory was 20.3 MB in the beginning and 18.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,240 INFO L168 Benchmark]: Boogie Preprocessor took 22.31 ms. Allocated memory is still 41.4 MB. Free memory was 18.8 MB in the beginning and 17.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,241 INFO L168 Benchmark]: RCFGBuilder took 264.23 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 17.6 MB in the beginning and 23.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,242 INFO L168 Benchmark]: TraceAbstraction took 209.01 ms. Allocated memory is still 43.0 MB. Free memory was 23.3 MB in the beginning and 14.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,243 INFO L168 Benchmark]: Witness Printer took 61.97 ms. Allocated memory is still 43.0 MB. Free memory was 14.2 MB in the beginning and 11.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:45,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 31.5 MB. Free memory was 8.8 MB in the beginning and 8.7 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 319.58 ms. Allocated memory was 40.9 MB in the beginning and 41.4 MB in the end (delta: 524.3 kB). Free memory was 18.4 MB in the beginning and 20.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 34.17 ms. Allocated memory is still 41.4 MB. Free memory was 20.3 MB in the beginning and 18.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 22.31 ms. Allocated memory is still 41.4 MB. Free memory was 18.8 MB in the beginning and 17.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 264.23 ms. Allocated memory was 41.4 MB in the beginning and 43.0 MB in the end (delta: 1.6 MB). Free memory was 17.6 MB in the beginning and 23.7 MB in the end (delta: -6.2 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 209.01 ms. Allocated memory is still 43.0 MB. Free memory was 23.3 MB in the beginning and 14.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 14.3 GB. * Witness Printer took 61.97 ms. Allocated memory is still 43.0 MB. Free memory was 14.2 MB in the beginning and 11.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 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: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 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=12occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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...