./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/bubble_sort-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/loops/bubble_sort-1.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 33b3a1e4933d5e511f1e529d9f92c0b363f8dd4a .................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:09:56,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:09:56,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:09:56,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:09:56,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:09:56,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:09:56,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:09:56,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:09:56,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:09:56,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:09:56,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:09:56,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:09:56,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:09:56,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:09:56,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:09:56,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:09:56,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:09:56,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:09:56,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:09:56,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:09:56,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:09:56,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:09:56,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:09:56,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:09:56,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:09:56,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:09:56,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:09:56,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:09:56,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:09:56,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:09:56,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:09:56,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:09:56,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:09:56,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:09:56,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:09:56,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:09:56,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:09:56,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:09:56,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:09:56,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:09:56,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:09:56,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:09:56,437 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:09:56,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:09:56,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:09:56,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:09:56,439 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:09:56,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:09:56,439 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:09:56,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:09:56,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:09:56,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:09:56,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:09:56,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:09:56,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:09:56,441 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:09:56,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:09:56,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:09:56,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:09:56,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:09:56,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:09:56,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:09:56,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:09:56,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:09:56,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:09:56,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:09:56,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:09:56,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:09:56,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:09:56,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:09:56,444 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:09:56,444 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(__VERIFIER_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 -> 33b3a1e4933d5e511f1e529d9f92c0b363f8dd4a [2020-07-28 18:09:56,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:09:56,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:09:56,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:09:56,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:09:56,787 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:09:56,788 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/bubble_sort-1.c [2020-07-28 18:09:56,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dbf4709/926d95bcc1f24ec880b8f2e95cab9c5b/FLAG0907133b2 [2020-07-28 18:09:57,265 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:09:57,266 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/bubble_sort-1.c [2020-07-28 18:09:57,272 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dbf4709/926d95bcc1f24ec880b8f2e95cab9c5b/FLAG0907133b2 [2020-07-28 18:09:57,634 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82dbf4709/926d95bcc1f24ec880b8f2e95cab9c5b [2020-07-28 18:09:57,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:09:57,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:09:57,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:09:57,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:09:57,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:09:57,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:09:57" (1/1) ... [2020-07-28 18:09:57,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edfee5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:57, skipping insertion in model container [2020-07-28 18:09:57,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:09:57" (1/1) ... [2020-07-28 18:09:57,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:09:57,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:09:57,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:09:57,909 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:09:57,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:09:58,017 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:09:58,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58 WrapperNode [2020-07-28 18:09:58,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:09:58,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:09:58,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:09:58,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:09:58,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:09:58,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:09:58,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:09:58,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:09:58,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (1/1) ... [2020-07-28 18:09:58,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:09:58,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:09:58,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:09:58,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:09:58,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (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 [2020-07-28 18:09:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 18:09:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 18:09:58,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:09:58,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:09:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 18:09:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 18:09:58,671 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:09:58,671 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-07-28 18:09:58,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:09:58 BoogieIcfgContainer [2020-07-28 18:09:58,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:09:58,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:09:58,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:09:58,680 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:09:58,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:09:57" (1/3) ... [2020-07-28 18:09:58,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30eca778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:09:58, skipping insertion in model container [2020-07-28 18:09:58,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:09:58" (2/3) ... [2020-07-28 18:09:58,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30eca778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:09:58, skipping insertion in model container [2020-07-28 18:09:58,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:09:58" (3/3) ... [2020-07-28 18:09:58,684 INFO L109 eAbstractionObserver]: Analyzing ICFG bubble_sort-1.c [2020-07-28 18:09:58,696 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:09:58,705 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-28 18:09:58,721 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-28 18:09:58,747 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:09:58,748 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:09:58,748 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:09:58,748 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:09:58,748 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:09:58,748 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:09:58,749 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:09:58,749 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:09:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-07-28 18:09:58,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:09:58,776 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2020-07-28 18:09:58,882 INFO L271 CegarLoopResult]: At program point L68-3(line 68) the Hoare annotation is: true [2020-07-28 18:09:58,883 INFO L271 CegarLoopResult]: At program point L52(lines 52 85) the Hoare annotation is: true [2020-07-28 18:09:58,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:09:58,883 INFO L271 CegarLoopResult]: At program point L61(lines 61 81) the Hoare annotation is: true [2020-07-28 18:09:58,883 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:09:58,883 INFO L268 CegarLoopResult]: For program point L12(lines 12 32) no Hoare annotation was computed. [2020-07-28 18:09:58,884 INFO L268 CegarLoopResult]: For program point L54(lines 54 55) no Hoare annotation was computed. [2020-07-28 18:09:58,884 INFO L268 CegarLoopResult]: For program point L21(lines 21 29) no Hoare annotation was computed. [2020-07-28 18:09:58,884 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-07-28 18:09:58,884 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-28 18:09:58,884 INFO L268 CegarLoopResult]: For program point L72-2(line 72) no Hoare annotation was computed. [2020-07-28 18:09:58,885 INFO L271 CegarLoopResult]: At program point L72-3(line 72) the Hoare annotation is: true [2020-07-28 18:09:58,885 INFO L268 CegarLoopResult]: For program point L72-4(line 72) no Hoare annotation was computed. [2020-07-28 18:09:58,885 INFO L268 CegarLoopResult]: For program point L64-2(line 64) no Hoare annotation was computed. [2020-07-28 18:09:58,885 INFO L271 CegarLoopResult]: At program point L64-3(line 64) the Hoare annotation is: true [2020-07-28 18:09:58,885 INFO L268 CegarLoopResult]: For program point L23(lines 23 28) no Hoare annotation was computed. [2020-07-28 18:09:58,885 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 18:09:58,886 INFO L268 CegarLoopResult]: For program point L16-2(lines 16 31) no Hoare annotation was computed. [2020-07-28 18:09:58,886 INFO L271 CegarLoopResult]: At program point L16-3(lines 16 31) the Hoare annotation is: true [2020-07-28 18:09:58,886 INFO L268 CegarLoopResult]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2020-07-28 18:09:58,886 INFO L271 CegarLoopResult]: At program point L74-3(lines 74 79) the Hoare annotation is: true [2020-07-28 18:09:58,886 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:09:58,887 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-07-28 18:09:58,887 INFO L271 CegarLoopResult]: At program point L92(lines 87 93) the Hoare annotation is: true [2020-07-28 18:09:58,887 INFO L268 CegarLoopResult]: For program point L18-2(lines 18 30) no Hoare annotation was computed. [2020-07-28 18:09:58,887 INFO L271 CegarLoopResult]: At program point L18-3(lines 18 30) the Hoare annotation is: true [2020-07-28 18:09:58,887 INFO L268 CegarLoopResult]: For program point L68-2(line 68) no Hoare annotation was computed. [2020-07-28 18:09:58,893 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:09:58,894 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 18:09:58,894 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 18:09:58,894 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2020-07-28 18:09:58,895 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 18:09:58,895 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-28 18:09:58,895 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:09:58,896 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2020-07-28 18:09:58,896 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-28 18:09:58,896 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-28 18:09:58,896 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:09:58,896 WARN L170 areAnnotationChecker]: L64-2 has no Hoare annotation [2020-07-28 18:09:58,896 WARN L170 areAnnotationChecker]: L68-2 has no Hoare annotation [2020-07-28 18:09:58,897 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 18:09:58,897 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2020-07-28 18:09:58,897 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-28 18:09:58,897 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-28 18:09:58,897 WARN L170 areAnnotationChecker]: L68-2 has no Hoare annotation [2020-07-28 18:09:58,897 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L72-4 has no Hoare annotation [2020-07-28 18:09:58,898 WARN L170 areAnnotationChecker]: L72-2 has no Hoare annotation [2020-07-28 18:09:58,899 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 18:09:58,899 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 18:09:58,899 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-28 18:09:58,899 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-28 18:09:58,899 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 18:09:58,899 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-28 18:09:58,900 WARN L170 areAnnotationChecker]: L18-2 has no Hoare annotation [2020-07-28 18:09:58,900 WARN L170 areAnnotationChecker]: L74-2 has no Hoare annotation [2020-07-28 18:09:58,900 INFO L163 areAnnotationChecker]: CFG has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:09:58,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:09:58 BoogieIcfgContainer [2020-07-28 18:09:58,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:09:58,909 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:09:58,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:09:58,910 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:09:58,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:09:58" (3/4) ... [2020-07-28 18:09:58,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:09:58,927 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-07-28 18:09:58,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-28 18:09:58,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:09:58,928 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-28 18:09:58,990 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:09:58,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:09:58,993 INFO L168 Benchmark]: Toolchain (without parser) took 1353.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -115.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:09:58,994 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:09:58,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-28 18:09:58,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.43 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 18:09:58,996 INFO L168 Benchmark]: Boogie Preprocessor took 41.89 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. [2020-07-28 18:09:58,996 INFO L168 Benchmark]: RCFGBuilder took 549.03 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. [2020-07-28 18:09:58,997 INFO L168 Benchmark]: TraceAbstraction took 232.33 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2020-07-28 18:09:58,997 INFO L168 Benchmark]: Witness Printer took 81.20 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. [2020-07-28 18:09:59,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.43 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.89 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. * RCFGBuilder took 549.03 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: 33.5 MB). Peak memory consumption was 33.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 232.33 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: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 81.20 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...