./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer --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 32bit --witnessprinter.graph.data.programhash 6f330f622534898bf170bbd5a7ac37bee3deb574 ...................................................................................................................................................................................................................................... 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 08:45:23,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:45:23,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:45:23,471 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:45:23,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:45:23,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:45:23,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:45:23,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:45:23,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:45:23,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:45:23,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:45:23,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:45:23,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:45:23,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:45:23,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:45:23,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:45:23,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:45:23,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:45:23,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:45:23,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:45:23,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:45:23,504 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:45:23,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:45:23,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:45:23,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:45:23,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:45:23,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:45:23,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:45:23,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:45:23,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:45:23,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:45:23,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:45:23,514 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:45:23,515 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:45:23,516 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:45:23,516 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:45:23,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:45:23,517 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:45:23,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:45:23,518 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:45:23,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:45:23,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-25 08:45:23,532 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:45:23,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:45:23,533 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:45:23,533 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:45:23,534 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:45:23,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:45:23,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:45:23,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:45:23,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:45:23,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:45:23,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:45:23,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:45:23,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:45:23,536 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:45:23,536 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-25 08:45:23,536 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:45:23,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:45:23,537 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:45:23,537 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:45:23,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:45:23,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:45:23,538 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:45:23,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:45:23,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:45:23,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:45:23,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:45:23,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:45:23,539 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:45:23,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:45:23,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:45:23,540 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_0861e577-bf21-4eb7-abe8-0de9185f231d/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 ! 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f330f622534898bf170bbd5a7ac37bee3deb574 [2019-11-25 08:45:23,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:45:23,693 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:45:23,696 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:45:23,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:45:23,700 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:45:23,701 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2019-11-25 08:45:23,765 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/data/fceb6f0d6/bd415afa52944ecc9a3ffc99af355718/FLAG8ace6fc2d [2019-11-25 08:45:24,120 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:45:24,121 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2019-11-25 08:45:24,126 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/data/fceb6f0d6/bd415afa52944ecc9a3ffc99af355718/FLAG8ace6fc2d [2019-11-25 08:45:24,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/data/fceb6f0d6/bd415afa52944ecc9a3ffc99af355718 [2019-11-25 08:45:24,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:45:24,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:45:24,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:24,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:45:24,572 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:45:24,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1493ef91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24, skipping insertion in model container [2019-11-25 08:45:24,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:45:24,594 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:45:24,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:24,729 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:45:24,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:45:24,823 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:45:24,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24 WrapperNode [2019-11-25 08:45:24,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:45:24,824 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:24,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:45:24,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:45:24,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:45:24,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:45:24,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:45:24,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:45:24,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... [2019-11-25 08:45:24,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:45:24,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:45:24,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:45:24,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:45:24,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/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 08:45:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-11-25 08:45:24,925 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-11-25 08:45:24,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:45:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:45:24,926 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-25 08:45:24,926 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-25 08:45:25,083 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:45:25,084 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:45:25,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25 BoogieIcfgContainer [2019-11-25 08:45:25,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:45:25,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:45:25,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:45:25,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:45:25,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:45:24" (1/3) ... [2019-11-25 08:45:25,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6990484c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:25, skipping insertion in model container [2019-11-25 08:45:25,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:45:24" (2/3) ... [2019-11-25 08:45:25,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6990484c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:45:25, skipping insertion in model container [2019-11-25 08:45:25,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25" (3/3) ... [2019-11-25 08:45:25,092 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2019-11-25 08:45:25,100 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:45:25,106 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-25 08:45:25,116 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-25 08:45:25,138 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:45:25,138 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:45:25,138 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:45:25,138 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:45:25,138 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:45:25,139 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:45:25,139 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:45:25,139 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:45:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-25 08:45:25,160 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:45:25,166 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-11-25 08:45:25,244 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-25 08:45:25,244 INFO L447 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true [2019-11-25 08:45:25,245 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-25 08:45:25,245 INFO L444 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-11-25 08:45:25,245 INFO L444 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-11-25 08:45:25,245 INFO L447 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-11-25 08:45:25,246 INFO L444 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-11-25 08:45:25,246 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:45:25,246 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:45:25,246 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:45:25,246 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-25 08:45:25,246 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-25 08:45:25,247 INFO L447 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2019-11-25 08:45:25,247 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-25 08:45:25,247 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-11-25 08:45:25,247 INFO L444 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-11-25 08:45:25,247 INFO L444 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-11-25 08:45:25,247 INFO L444 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-25 08:45:25,247 INFO L447 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true [2019-11-25 08:45:25,248 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-25 08:45:25,248 INFO L444 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-11-25 08:45:25,248 INFO L447 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-11-25 08:45:25,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:45:25 BoogieIcfgContainer [2019-11-25 08:45:25,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:45:25,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:45:25,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:45:25,253 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:45:25,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:45:25" (3/4) ... [2019-11-25 08:45:25,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:45:25,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-11-25 08:45:25,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-25 08:45:25,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-25 08:45:25,268 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:45:25,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0861e577-bf21-4eb7-abe8-0de9185f231d/bin/uautomizer/witness.graphml [2019-11-25 08:45:25,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:45:25,313 INFO L168 Benchmark]: Toolchain (without parser) took 744.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -123.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:25,314 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:25,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:25,314 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:25,315 INFO L168 Benchmark]: Boogie Preprocessor took 13.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:45:25,315 INFO L168 Benchmark]: RCFGBuilder took 219.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:25,316 INFO L168 Benchmark]: TraceAbstraction took 166.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:25,316 INFO L168 Benchmark]: Witness Printer took 58.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:45:25,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.64 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 166.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Witness Printer took 58.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 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=22occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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...