./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_7-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_7-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/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 71c6fa4c5cc7bb8e1a8b3462db137d2c7d5249aa ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:21:07,663 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:21:07,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:21:07,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:21:07,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:21:07,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:21:07,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:21:07,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:21:07,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:21:07,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:21:07,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:21:07,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:21:07,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:21:07,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:21:07,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:21:07,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:21:07,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:21:07,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:21:07,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:21:07,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:21:07,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:21:07,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:21:07,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:21:07,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:21:07,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:21:07,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:21:07,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:21:07,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:21:07,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:21:07,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:21:07,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:21:07,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:21:07,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:21:07,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:21:07,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:21:07,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:21:07,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:21:07,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:21:07,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:21:07,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:21:07,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:21:07,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-15 22:21:07,774 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:21:07,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:21:07,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:21:07,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:21:07,788 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:21:07,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:21:07,788 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:21:07,789 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:21:07,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:21:07,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:21:07,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:21:07,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:21:07,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:21:07,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:21:07,790 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-15 22:21:07,791 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:21:07,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:21:07,791 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:21:07,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:21:07,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:21:07,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:21:07,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:21:07,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:21:07,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:21:07,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:21:07,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:21:07,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:21:07,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:21:07,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:21:07,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:21:07,797 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_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/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 -> 71c6fa4c5cc7bb8e1a8b3462db137d2c7d5249aa [2019-11-15 22:21:07,834 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:21:07,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:21:07,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:21:07,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:21:07,858 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:21:07,859 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_7-2.c [2019-11-15 22:21:07,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/data/ded19c902/afd47a2d85ca49969de3a75b49363d98/FLAG529cb75ab [2019-11-15 22:21:08,323 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:21:08,324 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/sv-benchmarks/c/bitvector/jain_7-2.c [2019-11-15 22:21:08,330 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/data/ded19c902/afd47a2d85ca49969de3a75b49363d98/FLAG529cb75ab [2019-11-15 22:21:08,706 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/data/ded19c902/afd47a2d85ca49969de3a75b49363d98 [2019-11-15 22:21:08,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:21:08,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:21:08,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:21:08,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:21:08,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:21:08,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714c62d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:08, skipping insertion in model container [2019-11-15 22:21:08,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:21:08" (1/1) ... [2019-11-15 22:21:08,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:21:08,742 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:21:08,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:21:08,947 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:21:09,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:21:09,059 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:21:09,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09 WrapperNode [2019-11-15 22:21:09,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:21:09,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:21:09,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:21:09,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:21:09,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:21:09,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:21:09,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:21:09,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:21:09,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... [2019-11-15 22:21:09,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:21:09,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:21:09,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:21:09,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:21:09,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/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 [2019-11-15 22:21:09,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:21:09,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:21:09,346 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:21:09,347 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 22:21:09,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:21:09 BoogieIcfgContainer [2019-11-15 22:21:09,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:21:09,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:21:09,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:21:09,355 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:21:09,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:21:08" (1/3) ... [2019-11-15 22:21:09,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af645e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:21:09, skipping insertion in model container [2019-11-15 22:21:09,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:21:09" (2/3) ... [2019-11-15 22:21:09,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7af645e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:21:09, skipping insertion in model container [2019-11-15 22:21:09,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:21:09" (3/3) ... [2019-11-15 22:21:09,360 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_7-2.c [2019-11-15 22:21:09,370 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:21:09,377 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-15 22:21:09,388 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-15 22:21:09,414 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:21:09,414 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:21:09,414 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:21:09,415 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:21:09,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:21:09,416 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:21:09,416 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:21:09,417 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:21:09,431 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-15 22:21:09,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:21:09,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2019-11-15 22:21:09,491 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:21:09,492 INFO L443 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-15 22:21:09,493 INFO L446 ceAbstractionStarter]: At program point L5-2(lines 4 25) the Hoare annotation is: true [2019-11-15 22:21:09,493 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:21:09,493 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:21:09,494 INFO L446 ceAbstractionStarter]: At program point L26(lines 10 27) the Hoare annotation is: true [2019-11-15 22:21:09,494 INFO L443 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2019-11-15 22:21:09,494 INFO L443 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-15 22:21:09,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:21:09 BoogieIcfgContainer [2019-11-15 22:21:09,502 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:21:09,503 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:21:09,503 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:21:09,503 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:21:09,504 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:21:09" (3/4) ... [2019-11-15 22:21:09,507 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:21:09,519 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 22:21:09,520 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 22:21:09,567 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ef75d88-bbd7-4a00-89d0-6da89bdf379c/bin/uautomizer/witness.graphml [2019-11-15 22:21:09,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:21:09,569 INFO L168 Benchmark]: Toolchain (without parser) took 859.32 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -127.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:21:09,569 INFO L168 Benchmark]: CDTParser took 0.31 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. [2019-11-15 22:21:09,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:09,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.64 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. [2019-11-15 22:21:09,571 INFO L168 Benchmark]: Boogie Preprocessor took 18.02 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. [2019-11-15 22:21:09,571 INFO L168 Benchmark]: RCFGBuilder took 239.16 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:09,572 INFO L168 Benchmark]: TraceAbstraction took 153.63 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:09,572 INFO L168 Benchmark]: Witness Printer took 64.46 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:21:09,574 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 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 350.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.64 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 18.02 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 239.16 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: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 153.63 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Witness Printer took 64.46 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: 7.1 MB). Peak memory consumption was 7.1 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 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=8occurred 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...