./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv_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/cohendiv_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 5bc7f0bc7ad920849466f97159d8fe24eeccebc8 ......................................................................................................................................................................................................................................................... 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 01:14:33,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:14:33,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:14:33,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:14:33,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:14:33,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:14:33,524 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:14:33,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:14:33,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:14:33,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:14:33,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:14:33,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:14:33,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:14:33,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:14:33,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:14:33,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:14:33,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:14:33,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:14:33,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:14:33,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:14:33,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:14:33,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:14:33,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:14:33,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:14:33,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:14:33,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:14:33,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:14:33,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:14:33,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:14:33,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:14:33,580 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:14:33,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:14:33,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:14:33,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:14:33,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:14:33,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:14:33,588 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:14:33,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:14:33,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:14:33,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:14:33,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:14:33,593 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:14:33,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:14:33,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:14:33,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:14:33,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:14:33,633 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:14:33,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:14:33,633 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:14:33,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:14:33,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:14:33,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:14:33,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:14:33,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:14:33,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:14:33,636 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:14:33,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:14:33,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:14:33,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:14:33,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:14:33,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:14:33,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:14:33,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:14:33,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:14:33,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:14:33,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:14:33,640 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:14:33,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:14:33,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:14:33,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:14:33,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:14:33,641 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 -> 5bc7f0bc7ad920849466f97159d8fe24eeccebc8 [2020-10-20 01:14:33,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:14:33,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:14:33,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:14:33,889 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:14:33,889 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:14:33,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohendiv_valuebound2.c [2020-10-20 01:14:33,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637c3c414/9b81e84bdb7d4cb38097dde9b4b56290/FLAGb490e6830 [2020-10-20 01:14:34,419 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:14:34,420 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohendiv_valuebound2.c [2020-10-20 01:14:34,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637c3c414/9b81e84bdb7d4cb38097dde9b4b56290/FLAGb490e6830 [2020-10-20 01:14:34,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/637c3c414/9b81e84bdb7d4cb38097dde9b4b56290 [2020-10-20 01:14:34,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:14:34,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:14:34,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:14:34,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:14:34,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:14:34,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:14:34" (1/1) ... [2020-10-20 01:14:34,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d9368a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:34, skipping insertion in model container [2020-10-20 01:14:34,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:14:34" (1/1) ... [2020-10-20 01:14:34,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:14:34,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:14:35,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:14:35,101 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:14:35,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:14:35,151 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:14:35,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35 WrapperNode [2020-10-20 01:14:35,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:14:35,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:14:35,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:14:35,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:14:35,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:14:35,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:14:35,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:14:35,190 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:14:35,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (1/1) ... [2020-10-20 01:14:35,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:14:35,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:14:35,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:14:35,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:14:35,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (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 01:14:35,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:14:35,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:14:35,523 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:14:35,524 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-10-20 01:14:35,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:35 BoogieIcfgContainer [2020-10-20 01:14:35,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:14:35,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:14:35,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:14:35,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:14:35,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:14:34" (1/3) ... [2020-10-20 01:14:35,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60020a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:14:35, skipping insertion in model container [2020-10-20 01:14:35,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:35" (2/3) ... [2020-10-20 01:14:35,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60020a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:14:35, skipping insertion in model container [2020-10-20 01:14:35,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:35" (3/3) ... [2020-10-20 01:14:35,534 INFO L111 eAbstractionObserver]: Analyzing ICFG cohendiv_valuebound2.c [2020-10-20 01:14:35,549 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:14:35,560 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:14:35,579 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:14:35,619 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:14:35,619 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:14:35,619 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:14:35,619 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:14:35,619 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:14:35,620 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:14:35,620 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:14:35,620 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:14:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-10-20 01:14:35,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:14:35,651 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 28 states. [2020-10-20 01:14:35,728 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-20 01:14:35,728 INFO L274 CegarLoopResult]: For program point L11-2(line 11) no Hoare annotation was computed. [2020-10-20 01:14:35,728 INFO L274 CegarLoopResult]: For program point L11-4(line 11) no Hoare annotation was computed. [2020-10-20 01:14:35,729 INFO L277 CegarLoopResult]: At program point L36-2(lines 36 60) the Hoare annotation is: true [2020-10-20 01:14:35,729 INFO L274 CegarLoopResult]: For program point L36-3(lines 36 60) no Hoare annotation was computed. [2020-10-20 01:14:35,729 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:14:35,729 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:14:35,729 INFO L277 CegarLoopResult]: At program point L45-2(lines 45 57) the Hoare annotation is: true [2020-10-20 01:14:35,730 INFO L274 CegarLoopResult]: For program point L45-3(lines 45 57) no Hoare annotation was computed. [2020-10-20 01:14:35,730 INFO L277 CegarLoopResult]: At program point L63(lines 21 64) the Hoare annotation is: true [2020-10-20 01:14:35,730 INFO L274 CegarLoopResult]: For program point L14(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,730 INFO L277 CegarLoopResult]: At program point L14-1(lines 13 19) the Hoare annotation is: true [2020-10-20 01:14:35,730 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,731 INFO L277 CegarLoopResult]: At program point L14-3(lines 40 41) the Hoare annotation is: true [2020-10-20 01:14:35,731 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,731 INFO L277 CegarLoopResult]: At program point L14-5(lines 13 19) the Hoare annotation is: true [2020-10-20 01:14:35,731 INFO L274 CegarLoopResult]: For program point L14-6(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,731 INFO L277 CegarLoopResult]: At program point L14-7(lines 13 19) the Hoare annotation is: true [2020-10-20 01:14:35,732 INFO L274 CegarLoopResult]: For program point L14-8(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,732 INFO L277 CegarLoopResult]: At program point L14-9(lines 50 51) the Hoare annotation is: true [2020-10-20 01:14:35,732 INFO L274 CegarLoopResult]: For program point L14-10(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,732 INFO L277 CegarLoopResult]: At program point L14-11(lines 13 19) the Hoare annotation is: true [2020-10-20 01:14:35,733 INFO L274 CegarLoopResult]: For program point L14-12(lines 14 17) no Hoare annotation was computed. [2020-10-20 01:14:35,733 INFO L277 CegarLoopResult]: At program point L14-13(lines 13 19) the Hoare annotation is: true [2020-10-20 01:14:35,733 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:14:35,733 INFO L274 CegarLoopResult]: For program point L10(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:14:35,733 INFO L274 CegarLoopResult]: For program point L10-1(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:14:35,733 INFO L274 CegarLoopResult]: For program point L10-2(lines 10 12) no Hoare annotation was computed. [2020-10-20 01:14:35,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:14:35 BoogieIcfgContainer [2020-10-20 01:14:35,744 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:14:35,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:14:35,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:14:35,745 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:14:35,746 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:35" (3/4) ... [2020-10-20 01:14:35,751 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:14:35,763 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-10-20 01:14:35,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:14:35,829 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:14:35,830 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:14:35,833 INFO L168 Benchmark]: Toolchain (without parser) took 1013.87 ms. Allocated memory was 39.8 MB in the beginning and 42.5 MB in the end (delta: 2.6 MB). Free memory was 17.8 MB in the beginning and 13.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,841 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.86 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.8 MB in the beginning and 17.2 MB in the end (delta: -376.6 kB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,842 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.65 ms. Allocated memory is still 40.9 MB. Free memory was 17.2 MB in the beginning and 15.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,843 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 ms. Allocated memory is still 40.9 MB. Free memory was 15.3 MB in the beginning and 14.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,844 INFO L168 Benchmark]: RCFGBuilder took 310.26 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 13.9 MB in the beginning and 14.8 MB in the end (delta: -890.0 kB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,848 INFO L168 Benchmark]: TraceAbstraction took 217.90 ms. Allocated memory is still 42.5 MB. Free memory was 14.2 MB in the beginning and 17.6 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:14:35,848 INFO L168 Benchmark]: Witness Printer took 84.93 ms. Allocated memory is still 42.5 MB. Free memory was 17.6 MB in the beginning and 13.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:35,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 30.9 MB. Free memory was 6.1 MB in the beginning and 6.1 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 328.86 ms. Allocated memory was 39.8 MB in the beginning and 40.9 MB in the end (delta: 1.0 MB). Free memory was 16.8 MB in the beginning and 17.2 MB in the end (delta: -376.6 kB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 36.65 ms. Allocated memory is still 40.9 MB. Free memory was 17.2 MB in the beginning and 15.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 25.63 ms. Allocated memory is still 40.9 MB. Free memory was 15.3 MB in the beginning and 14.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 310.26 ms. Allocated memory was 40.9 MB in the beginning and 42.5 MB in the end (delta: 1.6 MB). Free memory was 13.9 MB in the beginning and 14.8 MB in the end (delta: -890.0 kB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * TraceAbstraction took 217.90 ms. Allocated memory is still 42.5 MB. Free memory was 14.2 MB in the beginning and 17.6 MB in the end (delta: -3.4 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 84.93 ms. Allocated memory is still 42.5 MB. Free memory was 17.6 MB in the beginning and 13.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: 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: 36]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 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=28occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 10 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 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...