./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/WhileFalse.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/termination-crafted/WhileFalse.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f15d52494f2bb20316f0c01d603c20e3274fba8 .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:29:49,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:29:49,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:29:49,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:29:49,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:29:49,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:29:49,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:29:49,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:29:49,269 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:29:49,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:29:49,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:29:49,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:29:49,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:29:49,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:29:49,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:29:49,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:29:49,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:29:49,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:29:49,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:29:49,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:29:49,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:29:49,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:29:49,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:29:49,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:29:49,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:29:49,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:29:49,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:29:49,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:29:49,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:29:49,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:29:49,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:29:49,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:29:49,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:29:49,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:29:49,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:29:49,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:29:49,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:29:49,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:29:49,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:29:49,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:29:49,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:29:49,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-19 18:29:49,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:29:49,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:29:49,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:29:49,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:29:49,348 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:29:49,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:29:49,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:29:49,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:29:49,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:29:49,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:29:49,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:29:49,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:29:49,351 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:29:49,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:29:49,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:29:49,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:29:49,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:29:49,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:29:49,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:29:49,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:29:49,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:29:49,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:29:49,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:29:49,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:29:49,355 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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f15d52494f2bb20316f0c01d603c20e3274fba8 [2020-10-19 18:29:49,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:29:49,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:29:49,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:29:49,728 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:29:49,728 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:29:49,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/WhileFalse.c [2020-10-19 18:29:49,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0152d86/d46ddc4e23504ce29b1f91697cba2344/FLAG196b32395 [2020-10-19 18:29:50,247 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:29:50,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/WhileFalse.c [2020-10-19 18:29:50,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0152d86/d46ddc4e23504ce29b1f91697cba2344/FLAG196b32395 [2020-10-19 18:29:50,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0152d86/d46ddc4e23504ce29b1f91697cba2344 [2020-10-19 18:29:50,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:29:50,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:29:50,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:29:50,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:29:50,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:29:50,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c47958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50, skipping insertion in model container [2020-10-19 18:29:50,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:29:50,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:29:50,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:29:50,848 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:29:50,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:29:50,882 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:29:50,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50 WrapperNode [2020-10-19 18:29:50,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:29:50,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:29:50,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:29:50,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:29:50,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:29:50,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:29:50,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:29:50,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:29:50,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (1/1) ... [2020-10-19 18:29:50,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:29:51,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:29:51,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:29:51,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:29:51,001 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (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 [2020-10-19 18:29:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:29:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:29:51,193 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:29:51,193 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-19 18:29:51,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:29:51 BoogieIcfgContainer [2020-10-19 18:29:51,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:29:51,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:29:51,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:29:51,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:29:51,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:29:50" (1/3) ... [2020-10-19 18:29:51,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476b3488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:29:51, skipping insertion in model container [2020-10-19 18:29:51,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:29:50" (2/3) ... [2020-10-19 18:29:51,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@476b3488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:29:51, skipping insertion in model container [2020-10-19 18:29:51,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:29:51" (3/3) ... [2020-10-19 18:29:51,204 INFO L111 eAbstractionObserver]: Analyzing ICFG WhileFalse.c [2020-10-19 18:29:51,216 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:29:51,223 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-19 18:29:51,237 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-19 18:29:51,260 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:29:51,261 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:29:51,261 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:29:51,261 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:29:51,261 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:29:51,262 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:29:51,262 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:29:51,262 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:29:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-10-19 18:29:51,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:29:51,286 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-19 18:29:51,347 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 18:29:51,348 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 18:29:51,348 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 18:29:51,348 INFO L277 CegarLoopResult]: At program point L16(lines 12 17) the Hoare annotation is: true [2020-10-19 18:29:51,349 INFO L277 CegarLoopResult]: At program point L14-2(lines 14 15) the Hoare annotation is: true [2020-10-19 18:29:51,349 INFO L274 CegarLoopResult]: For program point L14-3(lines 14 15) no Hoare annotation was computed. [2020-10-19 18:29:51,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:29:51 BoogieIcfgContainer [2020-10-19 18:29:51,360 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:29:51,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:29:51,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:29:51,361 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:29:51,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:29:51" (3/4) ... [2020-10-19 18:29:51,367 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:29:51,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-19 18:29:51,382 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:29:51,417 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:29:51,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:29:51,420 INFO L168 Benchmark]: Toolchain (without parser) took 788.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 957.3 MB in the beginning and 1.1 GB in the end (delta: -131.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,421 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.3 MB in the beginning and 946.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.56 ms. Allocated memory is still 1.0 GB. Free memory is still 946.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,424 INFO L168 Benchmark]: Boogie Preprocessor took 76.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,425 INFO L168 Benchmark]: RCFGBuilder took 195.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,426 INFO L168 Benchmark]: TraceAbstraction took 163.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:29:51,427 INFO L168 Benchmark]: Witness Printer took 56.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:29:51,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.26 ms. Allocated memory is still 1.0 GB. Free memory was 957.3 MB in the beginning and 946.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.56 ms. Allocated memory is still 1.0 GB. Free memory is still 946.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 163.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 56.81 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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=6occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 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...