./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.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/lcm2_valuebound100.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 091e3063c98d1c596a005f2a96e72dc85eecf66f ......................................................................................................................................................................................................................................... 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 01:16:22,875 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:22,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:22,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:22,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:22,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:22,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:22,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:22,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:22,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:22,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:22,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:22,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:22,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:22,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:22,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:22,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:22,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:22,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:22,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:22,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:22,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:22,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:22,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:22,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:22,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:22,943 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:22,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:22,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:22,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:22,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:22,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:22,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:22,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:22,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:22,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:22,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:22,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:22,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:22,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:22,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:22,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:16:23,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:23,019 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:23,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:23,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:23,021 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:23,021 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:23,022 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:23,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:16:23,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:23,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:23,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:23,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:23,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:23,025 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:23,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:23,025 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:23,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:23,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:23,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:23,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:23,027 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:23,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:23,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:23,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:23,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:23,028 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:16:23,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:16:23,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:23,029 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:23,030 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 -> 091e3063c98d1c596a005f2a96e72dc85eecf66f [2020-10-20 01:16:23,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:23,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:23,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:23,255 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:23,255 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:23,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2020-10-20 01:16:23,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a9ca113/2cd775a83576407687fdfe37e2b00657/FLAGe60162160 [2020-10-20 01:16:23,798 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:23,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2020-10-20 01:16:23,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a9ca113/2cd775a83576407687fdfe37e2b00657/FLAGe60162160 [2020-10-20 01:16:24,287 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5a9ca113/2cd775a83576407687fdfe37e2b00657 [2020-10-20 01:16:24,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:24,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:24,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:24,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:24,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:24,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1666a8b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24, skipping insertion in model container [2020-10-20 01:16:24,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:24,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:24,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:24,565 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:16:24,586 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:24,601 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:16:24,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24 WrapperNode [2020-10-20 01:16:24,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:24,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:24,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:16:24,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:16:24,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:24,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:16:24,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:16:24,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:16:24,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (1/1) ... [2020-10-20 01:16:24,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:16:24,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:16:24,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:16:24,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:16:24,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (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 01:16:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:16:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:16:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2020-10-20 01:16:24,976 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:16:24,977 INFO L298 CfgBuilder]: Removed 25 assume(true) statements. [2020-10-20 01:16:24,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:24 BoogieIcfgContainer [2020-10-20 01:16:24,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:16:24,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:16:24,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:16:24,985 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:16:24,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:16:24" (1/3) ... [2020-10-20 01:16:24,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347a2b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:24, skipping insertion in model container [2020-10-20 01:16:24,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:24" (2/3) ... [2020-10-20 01:16:24,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@347a2b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:24, skipping insertion in model container [2020-10-20 01:16:24,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:24" (3/3) ... [2020-10-20 01:16:24,989 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm2_valuebound100.c [2020-10-20 01:16:25,003 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:16:25,010 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:16:25,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:16:25,059 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:16:25,060 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:16:25,061 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:16:25,061 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:16:25,061 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:16:25,062 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:16:25,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:16:25,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:16:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-10-20 01:16:25,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:16:25,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 23 states. [2020-10-20 01:16:25,167 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:16:25,168 INFO L277 CegarLoopResult]: At program point L11-1(lines 39 40) the Hoare annotation is: true [2020-10-20 01:16:25,168 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:16:25,168 INFO L277 CegarLoopResult]: At program point L11-3(lines 10 16) the Hoare annotation is: true [2020-10-20 01:16:25,169 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:25,169 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:25,169 INFO L274 CegarLoopResult]: For program point L7-2(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:25,169 INFO L274 CegarLoopResult]: For program point L7-3(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:25,170 INFO L274 CegarLoopResult]: For program point L7-4(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:25,170 INFO L274 CegarLoopResult]: For program point L7-5(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:16:25,170 INFO L274 CegarLoopResult]: For program point L36-2(lines 36 49) no Hoare annotation was computed. [2020-10-20 01:16:25,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:16:25,170 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:16:25,170 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 01:16:25,171 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-10-20 01:16:25,171 INFO L274 CegarLoopResult]: For program point L8-4(line 8) no Hoare annotation was computed. [2020-10-20 01:16:25,171 INFO L274 CegarLoopResult]: For program point L8-6(line 8) no Hoare annotation was computed. [2020-10-20 01:16:25,171 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:16:25,171 INFO L274 CegarLoopResult]: For program point L8-8(line 8) no Hoare annotation was computed. [2020-10-20 01:16:25,171 INFO L274 CegarLoopResult]: For program point L8-10(line 8) no Hoare annotation was computed. [2020-10-20 01:16:25,172 INFO L274 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-10-20 01:16:25,173 INFO L277 CegarLoopResult]: At program point L42-2(lines 36 49) the Hoare annotation is: true [2020-10-20 01:16:25,173 INFO L277 CegarLoopResult]: At program point L55(lines 18 56) the Hoare annotation is: true [2020-10-20 01:16:25,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:16:25 BoogieIcfgContainer [2020-10-20 01:16:25,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:16:25,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:16:25,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:16:25,185 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:16:25,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:24" (3/4) ... [2020-10-20 01:16:25,200 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:16:25,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-20 01:16:25,214 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:16:25,289 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:16:25,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:16:25,293 INFO L168 Benchmark]: Toolchain (without parser) took 999.65 ms. Allocated memory was 35.1 MB in the beginning and 47.2 MB in the end (delta: 12.1 MB). Free memory was 8.7 MB in the beginning and 11.8 MB in the end (delta: -3.1 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,294 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 34.6 MB. Free memory is still 13.8 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:16:25,295 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.44 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 7.8 MB in the beginning and 27.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.94 ms. Allocated memory is still 44.6 MB. Free memory was 27.7 MB in the beginning and 25.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,299 INFO L168 Benchmark]: Boogie Preprocessor took 28.11 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,305 INFO L168 Benchmark]: RCFGBuilder took 311.01 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 24.7 MB in the beginning and 25.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,306 INFO L168 Benchmark]: TraceAbstraction took 203.37 ms. Allocated memory is still 47.2 MB. Free memory was 25.5 MB in the beginning and 15.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,308 INFO L168 Benchmark]: Witness Printer took 105.02 ms. Allocated memory is still 47.2 MB. Free memory was 15.7 MB in the beginning and 11.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:25,315 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 34.6 MB. Free memory is still 13.8 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 304.44 ms. Allocated memory was 35.1 MB in the beginning and 44.6 MB in the end (delta: 9.4 MB). Free memory was 7.8 MB in the beginning and 27.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 36.94 ms. Allocated memory is still 44.6 MB. Free memory was 27.7 MB in the beginning and 25.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 28.11 ms. Allocated memory is still 44.6 MB. Free memory was 25.9 MB in the beginning and 24.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 311.01 ms. Allocated memory was 44.6 MB in the beginning and 47.2 MB in the end (delta: 2.6 MB). Free memory was 24.7 MB in the beginning and 25.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * TraceAbstraction took 203.37 ms. Allocated memory is still 47.2 MB. Free memory was 25.5 MB in the beginning and 15.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Witness Printer took 105.02 ms. Allocated memory is still 47.2 MB. Free memory was 15.7 MB in the beginning and 11.8 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: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 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=23occurred 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...