./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin_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/prodbin_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 1bd512e72817b876d92456d6eec41d6797164e1c ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 01:16:38,096 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:16:38,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:16:38,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:16:38,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:16:38,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:16:38,126 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:16:38,128 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:16:38,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:16:38,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:16:38,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:16:38,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:16:38,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:16:38,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:16:38,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:16:38,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:16:38,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:16:38,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:16:38,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:16:38,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:16:38,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:16:38,147 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:16:38,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:16:38,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:16:38,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:16:38,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:16:38,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:16:38,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:16:38,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:16:38,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:16:38,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:16:38,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:16:38,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:16:38,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:16:38,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:16:38,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:16:38,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:16:38,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:16:38,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:16:38,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:16:38,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:16:38,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:16:38,190 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:16:38,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:16:38,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:16:38,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:16:38,194 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:16:38,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:16:38,195 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:16:38,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:16:38,196 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:16:38,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:16:38,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:16:38,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:16:38,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:16:38,198 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:16:38,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:16:38,199 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:16:38,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:16:38,200 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:16:38,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:16:38,200 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:16:38,201 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:16:38,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:38,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:16:38,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:16:38,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:16:38,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:16:38,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:16:38,203 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:16:38,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:16:38,203 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 -> 1bd512e72817b876d92456d6eec41d6797164e1c [2020-10-20 01:16:38,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:16:38,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:16:38,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:16:38,475 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:16:38,476 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:16:38,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prodbin_valuebound20.c [2020-10-20 01:16:38,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458fe18d/7b5527704a7a4fbf89ae4f562f624d15/FLAG9a7fdac31 [2020-10-20 01:16:39,031 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:16:39,032 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin_valuebound20.c [2020-10-20 01:16:39,040 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458fe18d/7b5527704a7a4fbf89ae4f562f624d15/FLAG9a7fdac31 [2020-10-20 01:16:39,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c458fe18d/7b5527704a7a4fbf89ae4f562f624d15 [2020-10-20 01:16:39,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:16:39,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:16:39,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:39,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:16:39,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:16:39,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55013503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39, skipping insertion in model container [2020-10-20 01:16:39,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:16:39,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:16:39,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:39,703 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:16:39,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:16:39,738 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:16:39,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39 WrapperNode [2020-10-20 01:16:39,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:16:39,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:39,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:16:39,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:16:39,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:16:39,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:16:39,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:16:39,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:16:39,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... [2020-10-20 01:16:39,802 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:16:39,803 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:16:39,803 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:16:39,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:16:39,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:16:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:16:39,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:16:40,088 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:16:40,089 INFO L298 CfgBuilder]: Removed 19 assume(true) statements. [2020-10-20 01:16:40,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:40 BoogieIcfgContainer [2020-10-20 01:16:40,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:16:40,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:16:40,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:16:40,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:16:40,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:16:39" (1/3) ... [2020-10-20 01:16:40,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a37b980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:40, skipping insertion in model container [2020-10-20 01:16:40,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:16:39" (2/3) ... [2020-10-20 01:16:40,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a37b980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:16:40, skipping insertion in model container [2020-10-20 01:16:40,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:40" (3/3) ... [2020-10-20 01:16:40,101 INFO L111 eAbstractionObserver]: Analyzing ICFG prodbin_valuebound20.c [2020-10-20 01:16:40,115 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:16:40,138 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:16:40,164 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:16:40,215 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:16:40,217 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:16:40,218 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:16:40,218 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:16:40,218 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:16:40,219 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:16:40,219 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:16:40,219 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:16:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-10-20 01:16:40,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:16:40,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 18 states. [2020-10-20 01:16:40,294 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:16:40,295 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:16:40,295 INFO L274 CegarLoopResult]: For program point L12(lines 12 15) no Hoare annotation was computed. [2020-10-20 01:16:40,295 INFO L277 CegarLoopResult]: At program point L12-1(lines 35 36) the Hoare annotation is: true [2020-10-20 01:16:40,295 INFO L274 CegarLoopResult]: For program point L12-2(lines 12 15) no Hoare annotation was computed. [2020-10-20 01:16:40,295 INFO L277 CegarLoopResult]: At program point L12-3(lines 11 17) the Hoare annotation is: true [2020-10-20 01:16:40,296 INFO L274 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-10-20 01:16:40,296 INFO L274 CegarLoopResult]: For program point L8-1(lines 8 10) no Hoare annotation was computed. [2020-10-20 01:16:40,296 INFO L274 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2020-10-20 01:16:40,296 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:16:40,296 INFO L277 CegarLoopResult]: At program point L33-2(lines 33 44) the Hoare annotation is: true [2020-10-20 01:16:40,296 INFO L274 CegarLoopResult]: For program point L33-3(lines 33 44) no Hoare annotation was computed. [2020-10-20 01:16:40,296 INFO L274 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-10-20 01:16:40,297 INFO L274 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed. [2020-10-20 01:16:40,297 INFO L274 CegarLoopResult]: For program point L38(lines 38 41) no Hoare annotation was computed. [2020-10-20 01:16:40,297 INFO L274 CegarLoopResult]: For program point L9-4(line 9) no Hoare annotation was computed. [2020-10-20 01:16:40,297 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 41) no Hoare annotation was computed. [2020-10-20 01:16:40,298 INFO L277 CegarLoopResult]: At program point L47(lines 19 48) the Hoare annotation is: true [2020-10-20 01:16:40,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:16:40 BoogieIcfgContainer [2020-10-20 01:16:40,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:16:40,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:16:40,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:16:40,309 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:16:40,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:16:40" (3/4) ... [2020-10-20 01:16:40,313 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:16:40,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 01:16:40,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:16:40,378 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:16:40,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:16:40,381 INFO L168 Benchmark]: Toolchain (without parser) took 915.44 ms. Allocated memory was 43.0 MB in the beginning and 45.1 MB in the end (delta: 2.1 MB). Free memory was 21.5 MB in the beginning and 11.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,382 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.07 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 20.7 MB in the beginning and 22.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 43.5 MB. Free memory was 22.7 MB in the beginning and 21.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,385 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 ms. Allocated memory is still 43.5 MB. Free memory was 21.1 MB in the beginning and 19.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,386 INFO L168 Benchmark]: RCFGBuilder took 288.96 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 19.7 MB in the beginning and 24.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,387 INFO L168 Benchmark]: TraceAbstraction took 215.08 ms. Allocated memory is still 45.1 MB. Free memory was 24.1 MB in the beginning and 14.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,387 INFO L168 Benchmark]: Witness Printer took 70.48 ms. Allocated memory is still 45.1 MB. Free memory was 14.7 MB in the beginning and 11.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 01:16:40,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69 ms. Allocated memory is still 32.0 MB. Free memory was 9.2 MB in the beginning and 9.2 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 266.07 ms. Allocated memory was 43.0 MB in the beginning and 43.5 MB in the end (delta: 524.3 kB). Free memory was 20.7 MB in the beginning and 22.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 38.55 ms. Allocated memory is still 43.5 MB. Free memory was 22.7 MB in the beginning and 21.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 23.77 ms. Allocated memory is still 43.5 MB. Free memory was 21.1 MB in the beginning and 19.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 288.96 ms. Allocated memory was 43.5 MB in the beginning and 45.1 MB in the end (delta: 1.6 MB). Free memory was 19.7 MB in the beginning and 24.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 215.08 ms. Allocated memory is still 45.1 MB. Free memory was 24.1 MB in the beginning and 14.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 14.3 GB. * Witness Printer took 70.48 ms. Allocated memory is still 45.1 MB. Free memory was 14.7 MB in the beginning and 11.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 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=18occurred 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...