./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/bubble_sort-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer --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 0.1.24-6b5699a [2019-11-25 08:48:29,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:48:29,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:48:29,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:48:29,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:48:29,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:48:29,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:48:29,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:48:29,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:48:29,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:48:29,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:48:29,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:48:29,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:48:29,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:48:29,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:48:29,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:48:29,509 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:48:29,510 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:48:29,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:48:29,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:48:29,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:48:29,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:48:29,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:48:29,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:48:29,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:48:29,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:48:29,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:48:29,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:48:29,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:48:29,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:48:29,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:48:29,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:48:29,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:48:29,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:48:29,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:48:29,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:48:29,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:48:29,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:48:29,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:48:29,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:48:29,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:48:29,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:48:29,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:48:29,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:48:29,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:48:29,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:48:29,572 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:48:29,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:48:29,573 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:48:29,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:48:29,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:48:29,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:48:29,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:48:29,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:48:29,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:48:29,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:48:29,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:48:29,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:48:29,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:48:29,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:48:29,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:48:29,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:48:29,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:48:29,575 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer 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 [2019-11-25 08:48:29,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:48:29,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:48:29,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:48:29,757 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:48:29,757 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:48:29,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/../../sv-benchmarks/c/loops/bubble_sort-1.c [2019-11-25 08:48:29,819 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/data/952867117/b3f8afdd98814372a23a44e06a338ce4/FLAG53c14469d [2019-11-25 08:48:30,241 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:48:30,242 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/sv-benchmarks/c/loops/bubble_sort-1.c [2019-11-25 08:48:30,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/data/952867117/b3f8afdd98814372a23a44e06a338ce4/FLAG53c14469d [2019-11-25 08:48:30,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/data/952867117/b3f8afdd98814372a23a44e06a338ce4 [2019-11-25 08:48:30,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:48:30,630 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:48:30,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:30,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:48:30,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:48:30,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396fe1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30, skipping insertion in model container [2019-11-25 08:48:30,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:30,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:48:30,661 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:48:30,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:30,942 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:48:30,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:48:30,996 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:48:30,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30 WrapperNode [2019-11-25 08:48:30,997 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:48:30,997 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:30,997 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:48:30,998 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:48:31,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:48:31,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:48:31,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:48:31,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:48:31,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... [2019-11-25 08:48:31,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:48:31,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:48:31,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:48:31,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:48:31,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/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 [2019-11-25 08:48:31,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:48:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-25 08:48:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:48:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:48:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-25 08:48:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-25 08:48:31,399 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:48:31,399 INFO L284 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-25 08:48:31,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31 BoogieIcfgContainer [2019-11-25 08:48:31,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:48:31,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:48:31,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:48:31,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:48:31,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:48:30" (1/3) ... [2019-11-25 08:48:31,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ccd770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:31, skipping insertion in model container [2019-11-25 08:48:31,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:48:30" (2/3) ... [2019-11-25 08:48:31,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ccd770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:48:31, skipping insertion in model container [2019-11-25 08:48:31,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31" (3/3) ... [2019-11-25 08:48:31,407 INFO L109 eAbstractionObserver]: Analyzing ICFG bubble_sort-1.c [2019-11-25 08:48:31,414 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:48:31,419 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:48:31,429 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:48:31,449 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:48:31,450 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:48:31,450 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:48:31,450 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:48:31,450 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:48:31,450 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:48:31,450 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:48:31,451 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:48:31,464 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2019-11-25 08:48:31,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:48:31,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2019-11-25 08:48:31,544 INFO L447 ceAbstractionStarter]: At program point L68-3(line 68) the Hoare annotation is: true [2019-11-25 08:48:31,544 INFO L447 ceAbstractionStarter]: At program point L52(lines 52 85) the Hoare annotation is: true [2019-11-25 08:48:31,544 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:48:31,544 INFO L447 ceAbstractionStarter]: At program point L61(lines 61 81) the Hoare annotation is: true [2019-11-25 08:48:31,544 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L12(lines 12 32) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 29) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L72-2(line 72) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L447 ceAbstractionStarter]: At program point L72-3(line 72) the Hoare annotation is: true [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L72-4(line 72) no Hoare annotation was computed. [2019-11-25 08:48:31,545 INFO L444 ceAbstractionStarter]: For program point L64-2(line 64) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L447 ceAbstractionStarter]: At program point L64-3(line 64) the Hoare annotation is: true [2019-11-25 08:48:31,546 INFO L444 ceAbstractionStarter]: For program point L23(lines 23 28) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L444 ceAbstractionStarter]: For program point L16-2(lines 16 31) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L447 ceAbstractionStarter]: At program point L16-3(lines 16 31) the Hoare annotation is: true [2019-11-25 08:48:31,546 INFO L444 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L447 ceAbstractionStarter]: At program point L74-3(lines 74 79) the Hoare annotation is: true [2019-11-25 08:48:31,546 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-25 08:48:31,546 INFO L447 ceAbstractionStarter]: At program point L92(lines 87 93) the Hoare annotation is: true [2019-11-25 08:48:31,547 INFO L444 ceAbstractionStarter]: For program point L18-2(lines 18 30) no Hoare annotation was computed. [2019-11-25 08:48:31,547 INFO L447 ceAbstractionStarter]: At program point L18-3(lines 18 30) the Hoare annotation is: true [2019-11-25 08:48:31,547 INFO L444 ceAbstractionStarter]: For program point L68-2(line 68) no Hoare annotation was computed. [2019-11-25 08:48:31,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:48:31 BoogieIcfgContainer [2019-11-25 08:48:31,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:48:31,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:48:31,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:48:31,555 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:48:31,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:48:31" (3/4) ... [2019-11-25 08:48:31,559 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:48:31,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-25 08:48:31,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:48:31,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:48:31,569 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-25 08:48:31,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9d4c004a-d0bf-4e2f-9da5-99cd951202d2/bin/uautomizer/witness.graphml [2019-11-25 08:48:31,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:48:31,626 INFO L168 Benchmark]: Toolchain (without parser) took 995.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -124.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:31,627 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:48:31,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:31,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.01 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. [2019-11-25 08:48:31,628 INFO L168 Benchmark]: Boogie Preprocessor took 34.10 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. [2019-11-25 08:48:31,628 INFO L168 Benchmark]: RCFGBuilder took 327.38 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:31,629 INFO L168 Benchmark]: TraceAbstraction took 153.51 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:48:31,629 INFO L168 Benchmark]: Witness Printer took 69.66 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. [2019-11-25 08:48:31,631 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.01 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. * Boogie Preprocessor took 34.10 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 327.38 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 153.51 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Witness Printer took 69.66 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. Result: SAFE, OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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...