./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/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 6bdf3d7283c8010b8178f4441a6a14e3308ae4a9 ...................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 11:27:40,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:27:40,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:27:40,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:27:40,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:27:40,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:27:40,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:27:40,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:27:40,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:27:40,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:27:40,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:27:40,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:27:40,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:27:40,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:27:40,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:27:40,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:27:40,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:27:40,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:27:40,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:27:40,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:27:40,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:27:40,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:27:40,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:27:40,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:27:40,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:27:40,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:27:40,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:27:40,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:27:40,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:27:40,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:27:40,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:27:40,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:27:40,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:27:40,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:27:40,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:27:40,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:27:40,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:27:40,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:27:40,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:27:40,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:27:40,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:27:40,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-20 11:27:40,840 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:27:40,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:27:40,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:27:40,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:27:40,852 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 11:27:40,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:27:40,852 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:27:40,853 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 11:27:40,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:27:40,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:27:40,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:27:40,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:27:40,854 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:27:40,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:27:40,854 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-20 11:27:40,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:27:40,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:27:40,855 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:27:40,855 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:27:40,855 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:27:40,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 11:27:40,855 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:27:40,856 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 11:27:40,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 11:27:40,856 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:27:40,856 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:27:40,857 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:27:40,857 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 11:27:40,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:27:40,857 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:27:40,857 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_01ca8420-a221-4acb-925b-03e909adca26/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 -> 6bdf3d7283c8010b8178f4441a6a14e3308ae4a9 [2019-11-20 11:27:41,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:27:41,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:27:41,042 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:27:41,043 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:27:41,044 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:27:41,045 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/../../sv-benchmarks/c/bitvector/sum02-1.c [2019-11-20 11:27:41,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/data/6f0e7f1dc/7a43c03897044fb1bc35070fdd210a36/FLAG24ccff0b3 [2019-11-20 11:27:41,534 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:27:41,535 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/sv-benchmarks/c/bitvector/sum02-1.c [2019-11-20 11:27:41,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/data/6f0e7f1dc/7a43c03897044fb1bc35070fdd210a36/FLAG24ccff0b3 [2019-11-20 11:27:41,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/data/6f0e7f1dc/7a43c03897044fb1bc35070fdd210a36 [2019-11-20 11:27:41,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:27:41,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:27:41,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:27:41,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:27:41,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:27:41,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fea2be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41, skipping insertion in model container [2019-11-20 11:27:41,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,587 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:27:41,604 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:27:41,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:27:41,760 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 11:27:41,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 11:27:41,874 INFO L192 MainTranslator]: Completed translation [2019-11-20 11:27:41,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41 WrapperNode [2019-11-20 11:27:41,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 11:27:41,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 11:27:41,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 11:27:41,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 11:27:41,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,910 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 11:27:41,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 11:27:41,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 11:27:41,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 11:27:41,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... [2019-11-20 11:27:41,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 11:27:41,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 11:27:41,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 11:27:41,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 11:27:41,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/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 [2019-11-20 11:27:42,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 11:27:42,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 11:27:42,224 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 11:27:42,225 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 11:27:42,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:42 BoogieIcfgContainer [2019-11-20 11:27:42,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 11:27:42,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 11:27:42,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 11:27:42,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 11:27:42,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:27:41" (1/3) ... [2019-11-20 11:27:42,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533734f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:27:42, skipping insertion in model container [2019-11-20 11:27:42,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:27:41" (2/3) ... [2019-11-20 11:27:42,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533734f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:27:42, skipping insertion in model container [2019-11-20 11:27:42,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:42" (3/3) ... [2019-11-20 11:27:42,237 INFO L109 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2019-11-20 11:27:42,247 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 11:27:42,254 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-20 11:27:42,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-20 11:27:42,288 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 11:27:42,288 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 11:27:42,288 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 11:27:42,288 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 11:27:42,288 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 11:27:42,289 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 11:27:42,289 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 11:27:42,289 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 11:27:42,302 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2019-11-20 11:27:42,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 11:27:42,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2019-11-20 11:27:42,366 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 11:27:42,367 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-20 11:27:42,367 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 11:27:42,367 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 11:27:42,367 INFO L444 ceAbstractionStarter]: For program point L12-2(lines 12 14) no Hoare annotation was computed. [2019-11-20 11:27:42,368 INFO L447 ceAbstractionStarter]: At program point L12-3(lines 12 14) the Hoare annotation is: true [2019-11-20 11:27:42,368 INFO L444 ceAbstractionStarter]: For program point L12-4(lines 12 14) no Hoare annotation was computed. [2019-11-20 11:27:42,368 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-20 11:27:42,368 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 1 16) the Hoare annotation is: true [2019-11-20 11:27:42,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:27:42 BoogieIcfgContainer [2019-11-20 11:27:42,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 11:27:42,382 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:27:42,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:27:42,382 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:27:42,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:27:42" (3/4) ... [2019-11-20 11:27:42,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:27:42,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 11:27:42,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 11:27:42,434 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_01ca8420-a221-4acb-925b-03e909adca26/bin/uautomizer/witness.graphml [2019-11-20 11:27:42,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:27:42,436 INFO L168 Benchmark]: Toolchain (without parser) took 869.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -145.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:27:42,436 INFO L168 Benchmark]: CDTParser took 0.20 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. [2019-11-20 11:27:42,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:42,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.70 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. [2019-11-20 11:27:42,438 INFO L168 Benchmark]: Boogie Preprocessor took 16.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:42,439 INFO L168 Benchmark]: RCFGBuilder took 299.00 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:42,440 INFO L168 Benchmark]: TraceAbstraction took 151.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:42,440 INFO L168 Benchmark]: Witness Printer took 52.43 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 11:27:42,444 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 304.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -177.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.70 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 16.45 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 299.00 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 151.29 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.43 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: 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. - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, 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=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...