./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2_unwindbound100.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/fermat2_unwindbound100.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 5b53f7e5fc7e412993f76be3ef6b5d5bc004dc31 .................................................................................................................................................................................................................................. 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 01:15:22,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:15:22,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:15:22,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:15:22,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:15:22,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:15:22,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:15:22,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:15:22,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:15:22,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:15:22,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:15:22,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:15:22,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:15:22,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:15:22,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:15:22,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:15:22,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:15:22,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:15:22,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:15:22,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:15:22,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:15:22,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:15:22,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:15:22,697 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:15:22,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:15:22,700 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:15:22,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:15:22,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:15:22,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:15:22,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:15:22,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:15:22,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:15:22,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:15:22,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:15:22,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:15:22,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:15:22,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:15:22,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:15:22,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:15:22,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:15:22,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:15:22,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:15:22,734 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:15:22,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:15:22,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:15:22,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:15:22,736 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:15:22,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:15:22,737 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:15:22,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:15:22,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:15:22,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:15:22,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:15:22,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:15:22,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:15:22,738 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:15:22,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:15:22,739 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:15:22,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:15:22,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:15:22,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:15:22,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:15:22,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:15:22,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:15:22,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:15:22,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:15:22,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:15:22,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:15:22,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:15:22,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:15:22,742 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:15:22,743 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 -> 5b53f7e5fc7e412993f76be3ef6b5d5bc004dc31 [2020-10-20 01:15:22,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:15:22,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:15:22,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:15:22,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:15:22,957 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:15:22,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2_unwindbound100.c [2020-10-20 01:15:23,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447cd0cf2/a415f9bc34ee4c49855ec7f34fa0eb67/FLAG118fdd730 [2020-10-20 01:15:23,550 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:15:23,551 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2_unwindbound100.c [2020-10-20 01:15:23,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447cd0cf2/a415f9bc34ee4c49855ec7f34fa0eb67/FLAG118fdd730 [2020-10-20 01:15:23,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/447cd0cf2/a415f9bc34ee4c49855ec7f34fa0eb67 [2020-10-20 01:15:23,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:15:23,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:15:23,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:15:23,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:15:23,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:15:23,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:15:23" (1/1) ... [2020-10-20 01:15:23,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e8bd7be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:23, skipping insertion in model container [2020-10-20 01:15:23,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:15:23" (1/1) ... [2020-10-20 01:15:23,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:15:24,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:15:24,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:15:24,217 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:15:24,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:15:24,254 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:15:24,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24 WrapperNode [2020-10-20 01:15:24,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:15:24,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:15:24,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:15:24,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:15:24,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:15:24,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:15:24,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:15:24,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:15:24,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (1/1) ... [2020-10-20 01:15:24,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:15:24,315 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:15:24,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:15:24,316 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:15:24,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (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 01:15:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:15:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:15:24,575 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:15:24,576 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-20 01:15:24,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:24 BoogieIcfgContainer [2020-10-20 01:15:24,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:15:24,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:15:24,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:15:24,596 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:15:24,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:15:23" (1/3) ... [2020-10-20 01:15:24,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e005ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:15:24, skipping insertion in model container [2020-10-20 01:15:24,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:24" (2/3) ... [2020-10-20 01:15:24,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e005ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:15:24, skipping insertion in model container [2020-10-20 01:15:24,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:24" (3/3) ... [2020-10-20 01:15:24,605 INFO L111 eAbstractionObserver]: Analyzing ICFG fermat2_unwindbound100.c [2020-10-20 01:15:24,640 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:15:24,657 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:15:24,698 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:15:24,732 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:15:24,732 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:15:24,732 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:15:24,732 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:15:24,733 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:15:24,733 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:15:24,733 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:15:24,733 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:15:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-10-20 01:15:24,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:15:24,760 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2020-10-20 01:15:24,810 INFO L277 CegarLoopResult]: At program point L48(lines 19 49) the Hoare annotation is: true [2020-10-20 01:15:24,811 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:15:24,811 INFO L277 CegarLoopResult]: At program point L11-1(line 35) the Hoare annotation is: true [2020-10-20 01:15:24,811 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-10-20 01:15:24,811 INFO L277 CegarLoopResult]: At program point L11-3(lines 10 16) the Hoare annotation is: true [2020-10-20 01:15:24,812 INFO L274 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:15:24,812 INFO L274 CegarLoopResult]: For program point L7-1(lines 7 9) no Hoare annotation was computed. [2020-10-20 01:15:24,812 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:15:24,812 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:15:24,812 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:15:24,813 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-20 01:15:24,813 INFO L274 CegarLoopResult]: For program point L8-2(line 8) no Hoare annotation was computed. [2020-10-20 01:15:24,813 INFO L274 CegarLoopResult]: For program point L37(lines 37 43) no Hoare annotation was computed. [2020-10-20 01:15:24,821 INFO L277 CegarLoopResult]: At program point L37-2(lines 33 44) the Hoare annotation is: true [2020-10-20 01:15:24,822 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:15:24,822 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 44) no Hoare annotation was computed. [2020-10-20 01:15:24,822 INFO L274 CegarLoopResult]: For program point L33-3(lines 33 44) no Hoare annotation was computed. [2020-10-20 01:15:24,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:15:24 BoogieIcfgContainer [2020-10-20 01:15:24,832 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:15:24,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:15:24,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:15:24,835 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:15:24,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:24" (3/4) ... [2020-10-20 01:15:24,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:15:24,851 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 01:15:24,852 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:15:24,903 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:15:24,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:15:24,906 INFO L168 Benchmark]: Toolchain (without parser) took 940.39 ms. Allocated memory was 40.9 MB in the beginning and 44.0 MB in the end (delta: 3.1 MB). Free memory was 21.3 MB in the beginning and 13.5 MB in the end (delta: 7.7 MB). Peak memory consumption was 10.9 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,907 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.50 ms. Allocated memory was 40.9 MB in the beginning and 44.0 MB in the end (delta: 3.1 MB). Free memory was 20.4 MB in the beginning and 23.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,908 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 44.0 MB. Free memory was 23.9 MB in the beginning and 22.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,909 INFO L168 Benchmark]: Boogie Preprocessor took 24.51 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 20.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,910 INFO L168 Benchmark]: RCFGBuilder took 262.36 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 9.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,910 INFO L168 Benchmark]: TraceAbstraction took 245.73 ms. Allocated memory is still 44.0 MB. Free memory was 26.1 MB in the beginning and 16.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,911 INFO L168 Benchmark]: Witness Printer took 70.67 ms. Allocated memory is still 44.0 MB. Free memory was 16.9 MB in the beginning and 13.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:24,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 31.5 MB. Free memory was 7.7 MB in the beginning and 7.7 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 284.50 ms. Allocated memory was 40.9 MB in the beginning and 44.0 MB in the end (delta: 3.1 MB). Free memory was 20.4 MB in the beginning and 23.9 MB in the end (delta: -3.5 MB). Peak memory consumption was 11.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 34.58 ms. Allocated memory is still 44.0 MB. Free memory was 23.9 MB in the beginning and 22.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 24.51 ms. Allocated memory is still 44.0 MB. Free memory was 22.2 MB in the beginning and 20.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 262.36 ms. Allocated memory is still 44.0 MB. Free memory was 20.8 MB in the beginning and 9.2 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 245.73 ms. Allocated memory is still 44.0 MB. Free memory was 26.1 MB in the beginning and 16.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Witness Printer took 70.67 ms. Allocated memory is still 44.0 MB. Free memory was 16.9 MB in the beginning and 13.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 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=17occurred 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...