./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/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 64bit --witnessprinter.graph.data.programhash 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:02:43,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:02:43,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:02:43,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:02:43,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:02:43,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:02:43,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:02:43,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:02:43,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:02:43,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:02:43,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:02:43,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:02:43,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:02:43,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:02:43,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:02:43,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:02:43,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:02:43,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:02:43,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:02:43,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:02:43,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:02:43,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:02:43,776 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:02:43,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:02:43,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:02:43,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:02:43,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:02:43,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:02:43,779 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:02:43,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:02:43,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:02:43,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:02:43,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:02:43,781 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:02:43,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:02:43,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:02:43,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:02:43,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:02:43,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:02:43,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:02:43,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:02:43,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-12-07 18:02:43,793 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:02:43,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:02:43,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:02:43,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:02:43,794 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:02:43,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:02:43,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:02:43,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:02:43,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:02:43,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:02:43,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:02:43,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:02:43,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:02:43,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:02:43,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:02:43,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:02:43,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:02:43,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:02:43,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:02:43,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:02:43,797 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_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b [2019-12-07 18:02:43,910 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:02:43,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:02:43,921 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:02:43,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:02:43,923 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:02:43,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2019-12-07 18:02:43,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/data/b005ada64/a82caad253484ae5a727e858db3184c4/FLAGe75ee695f [2019-12-07 18:02:44,400 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:02:44,401 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2019-12-07 18:02:44,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/data/b005ada64/a82caad253484ae5a727e858db3184c4/FLAGe75ee695f [2019-12-07 18:02:44,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/data/b005ada64/a82caad253484ae5a727e858db3184c4 [2019-12-07 18:02:44,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:02:44,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:02:44,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:02:44,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:02:44,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:02:44,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:02:44" (1/1) ... [2019-12-07 18:02:44,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d9507b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:44, skipping insertion in model container [2019-12-07 18:02:44,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:02:44" (1/1) ... [2019-12-07 18:02:44,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:02:44,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:02:44,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:02:44,982 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:02:45,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:02:45,035 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:02:45,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45 WrapperNode [2019-12-07 18:02:45,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:02:45,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:02:45,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:02:45,036 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:02:45,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,063 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:02:45,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:02:45,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:02:45,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:02:45,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... [2019-12-07 18:02:45,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:02:45,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:02:45,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:02:45,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:02:45,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/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 [2019-12-07 18:02:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:02:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:02:45,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:02:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:02:45,220 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:02:45,221 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 18:02:45,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:02:45 BoogieIcfgContainer [2019-12-07 18:02:45,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:02:45,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:02:45,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:02:45,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:02:45,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:02:44" (1/3) ... [2019-12-07 18:02:45,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d20cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:02:45, skipping insertion in model container [2019-12-07 18:02:45,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:02:45" (2/3) ... [2019-12-07 18:02:45,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b6d20cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:02:45, skipping insertion in model container [2019-12-07 18:02:45,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:02:45" (3/3) ... [2019-12-07 18:02:45,228 INFO L109 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2019-12-07 18:02:45,235 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:02:45,239 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 18:02:45,247 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 18:02:45,262 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:02:45,262 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:02:45,262 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:02:45,262 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:02:45,262 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:02:45,262 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:02:45,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:02:45,262 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:02:45,272 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2019-12-07 18:02:45,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 18:02:45,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2019-12-07 18:02:45,311 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 18:02:45,311 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 18:02:45,311 INFO L249 CegarLoopResult]: At program point L334(lines 331 335) the Hoare annotation is: true [2019-12-07 18:02:45,311 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 18:02:45,311 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 18:02:45,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:02:45 BoogieIcfgContainer [2019-12-07 18:02:45,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:02:45,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:02:45,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:02:45,319 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:02:45,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:02:45" (3/4) ... [2019-12-07 18:02:45,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 18:02:45,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 18:02:45,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 18:02:45,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:02:45,331 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 18:02:45,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1ea4f19d-75ca-48ea-bfe6-efc9473eb7b7/bin/uautomizer/witness.graphml [2019-12-07 18:02:45,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:02:45,357 INFO L168 Benchmark]: Toolchain (without parser) took 601.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 942.5 MB in the beginning and 1.0 GB in the end (delta: -100.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:02:45,358 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:02:45,358 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2019-12-07 18:02:45,359 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.52 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. [2019-12-07 18:02:45,359 INFO L168 Benchmark]: Boogie Preprocessor took 12.48 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. [2019-12-07 18:02:45,360 INFO L168 Benchmark]: RCFGBuilder took 146.07 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:02:45,360 INFO L168 Benchmark]: TraceAbstraction took 96.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:02:45,360 INFO L168 Benchmark]: Witness Printer took 36.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:02:45,363 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -133.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.52 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 12.48 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 146.07 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 96.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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: 331]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 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...