./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.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/hard2_valuebound20.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 9ec2129726d3951f746ec17aaef2e4473df231c4 ................................................................................................................................................................................................................................................... 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 01:15:54,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:15:54,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:15:54,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:15:54,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:15:54,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:15:54,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:15:54,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:15:54,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:15:54,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:15:54,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:15:54,465 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:15:54,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:15:54,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:15:54,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:15:54,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:15:54,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:15:54,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:15:54,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:15:54,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:15:54,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:15:54,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:15:54,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:15:54,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:15:54,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:15:54,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:15:54,481 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:15:54,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:15:54,494 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:15:54,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:15:54,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:15:54,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:15:54,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:15:54,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:15:54,500 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:15:54,500 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:15:54,501 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:15:54,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:15:54,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:15:54,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:15:54,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:15:54,508 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:15:54,557 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:15:54,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:15:54,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:15:54,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:15:54,560 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:15:54,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:15:54,560 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:15:54,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:15:54,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:15:54,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:15:54,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:15:54,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:15:54,562 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:15:54,563 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:15:54,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:15:54,563 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:15:54,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:15:54,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:15:54,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:15:54,564 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:15:54,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:15:54,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:15:54,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:15:54,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:15:54,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:15:54,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:15:54,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:15:54,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:15:54,566 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:15:54,567 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 -> 9ec2129726d3951f746ec17aaef2e4473df231c4 [2020-10-20 01:15:54,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:15:54,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:15:54,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:15:54,802 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:15:54,802 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:15:54,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2020-10-20 01:15:54,884 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622d70633/ac02da015315462aa36c2a241447eff6/FLAG77377fae3 [2020-10-20 01:15:55,423 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:15:55,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2020-10-20 01:15:55,431 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622d70633/ac02da015315462aa36c2a241447eff6/FLAG77377fae3 [2020-10-20 01:15:55,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/622d70633/ac02da015315462aa36c2a241447eff6 [2020-10-20 01:15:55,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:15:55,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:15:55,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:15:55,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:15:55,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:15:55,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:15:55" (1/1) ... [2020-10-20 01:15:55,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40e8a9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:55, skipping insertion in model container [2020-10-20 01:15:55,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:15:55" (1/1) ... [2020-10-20 01:15:55,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:15:55,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:15:56,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:15:56,038 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:15:56,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:15:56,070 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:15:56,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56 WrapperNode [2020-10-20 01:15:56,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:15:56,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:15:56,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:15:56,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:15:56,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:15:56,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:15:56,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:15:56,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:15:56,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (1/1) ... [2020-10-20 01:15:56,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:15:56,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:15:56,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:15:56,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:15:56,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (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 01:15:56,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:15:56,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:15:56,471 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:15:56,471 INFO L298 CfgBuilder]: Removed 36 assume(true) statements. [2020-10-20 01:15:56,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:56 BoogieIcfgContainer [2020-10-20 01:15:56,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:15:56,481 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:15:56,481 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:15:56,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:15:56,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:15:55" (1/3) ... [2020-10-20 01:15:56,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aef6199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:15:56, skipping insertion in model container [2020-10-20 01:15:56,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:56" (2/3) ... [2020-10-20 01:15:56,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aef6199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:15:56, skipping insertion in model container [2020-10-20 01:15:56,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:56" (3/3) ... [2020-10-20 01:15:56,496 INFO L111 eAbstractionObserver]: Analyzing ICFG hard2_valuebound20.c [2020-10-20 01:15:56,518 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:15:56,524 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:15:56,537 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:15:56,560 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:15:56,560 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:15:56,560 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:15:56,561 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:15:56,561 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:15:56,561 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:15:56,561 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:15:56,561 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:15:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-10-20 01:15:56,583 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:15:56,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 24 states. [2020-10-20 01:15:56,661 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-20 01:15:56,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:15:56,661 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:15:56,661 INFO L274 CegarLoopResult]: For program point L14(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,662 INFO L277 CegarLoopResult]: At program point L14-1(lines 13 19) the Hoare annotation is: true [2020-10-20 01:15:56,662 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,662 INFO L277 CegarLoopResult]: At program point L14-3(lines 13 19) the Hoare annotation is: true [2020-10-20 01:15:56,662 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,663 INFO L277 CegarLoopResult]: At program point L14-5(line 37) the Hoare annotation is: true [2020-10-20 01:15:56,663 INFO L274 CegarLoopResult]: For program point L14-6(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,663 INFO L277 CegarLoopResult]: At program point L14-7(lines 13 19) the Hoare annotation is: true [2020-10-20 01:15:56,663 INFO L274 CegarLoopResult]: For program point L14-8(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,664 INFO L277 CegarLoopResult]: At program point L14-9(line 47) the Hoare annotation is: true [2020-10-20 01:15:56,664 INFO L274 CegarLoopResult]: For program point L14-10(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,664 INFO L277 CegarLoopResult]: At program point L14-11(lines 13 19) the Hoare annotation is: true [2020-10-20 01:15:56,664 INFO L274 CegarLoopResult]: For program point L14-12(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:15:56,664 INFO L277 CegarLoopResult]: At program point L14-13(lines 13 19) the Hoare annotation is: true [2020-10-20 01:15:56,665 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:15:56,665 INFO L277 CegarLoopResult]: At program point L33-2(lines 33 41) the Hoare annotation is: true [2020-10-20 01:15:56,665 INFO L277 CegarLoopResult]: At program point L59(lines 21 60) the Hoare annotation is: true [2020-10-20 01:15:56,665 INFO L274 CegarLoopResult]: For program point L51(lines 51 54) no Hoare annotation was computed. [2020-10-20 01:15:56,665 INFO L274 CegarLoopResult]: For program point L51-2(lines 21 60) no Hoare annotation was computed. [2020-10-20 01:15:56,666 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:15:56,666 INFO L274 CegarLoopResult]: For program point L43-1(lines 43 55) no Hoare annotation was computed. [2020-10-20 01:15:56,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:15:56 BoogieIcfgContainer [2020-10-20 01:15:56,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:15:56,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:15:56,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:15:56,687 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:15:56,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:56" (3/4) ... [2020-10-20 01:15:56,691 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:15:56,703 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-10-20 01:15:56,704 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:15:56,758 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:15:56,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:15:56,761 INFO L168 Benchmark]: Toolchain (without parser) took 954.66 ms. Allocated memory was 42.5 MB in the beginning and 45.1 MB in the end (delta: 2.6 MB). Free memory was 21.0 MB in the beginning and 23.8 MB in the end (delta: -2.8 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:15:56,762 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 32.0 MB. Free memory was 9.3 MB in the beginning and 9.2 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.10 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 20.1 MB in the beginning and 21.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.49 ms. Allocated memory is still 43.0 MB. Free memory was 21.0 MB in the beginning and 19.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,764 INFO L168 Benchmark]: Boogie Preprocessor took 24.32 ms. Allocated memory is still 43.0 MB. Free memory was 19.3 MB in the beginning and 17.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,765 INFO L168 Benchmark]: RCFGBuilder took 343.82 ms. Allocated memory was 43.0 MB in the beginning and 44.6 MB in the end (delta: 1.6 MB). Free memory was 17.9 MB in the beginning and 20.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,766 INFO L168 Benchmark]: TraceAbstraction took 204.76 ms. Allocated memory was 44.6 MB in the beginning and 45.1 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 27.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,767 INFO L168 Benchmark]: Witness Printer took 72.50 ms. Allocated memory is still 45.1 MB. Free memory was 27.4 MB in the beginning and 23.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:56,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 32.0 MB. Free memory was 9.3 MB in the beginning and 9.2 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 257.10 ms. Allocated memory was 42.5 MB in the beginning and 43.0 MB in the end (delta: 524.3 kB). Free memory was 20.1 MB in the beginning and 21.1 MB in the end (delta: -1.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 36.49 ms. Allocated memory is still 43.0 MB. Free memory was 21.0 MB in the beginning and 19.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 24.32 ms. Allocated memory is still 43.0 MB. Free memory was 19.3 MB in the beginning and 17.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 343.82 ms. Allocated memory was 43.0 MB in the beginning and 44.6 MB in the end (delta: 1.6 MB). Free memory was 17.9 MB in the beginning and 20.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 8.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 204.76 ms. Allocated memory was 44.6 MB in the beginning and 45.1 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 27.4 MB in the end (delta: -7.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * Witness Printer took 72.50 ms. Allocated memory is still 45.1 MB. Free memory was 27.4 MB in the beginning and 23.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 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: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 47]: 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: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 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=24occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 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...