./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/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 fa16f28cdab01c0d49bf2bd46e148912a30ce280 .................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 05:40:18,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:40:18,828 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:40:18,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:40:18,838 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:40:18,838 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:40:18,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:40:18,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:40:18,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:40:18,843 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:40:18,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:40:18,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:40:18,845 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:40:18,846 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:40:18,847 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:40:18,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:40:18,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:40:18,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:40:18,852 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:40:18,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:40:18,855 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:40:18,856 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:40:18,858 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:40:18,859 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:40:18,859 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:40:18,860 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:40:18,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:40:18,861 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:40:18,862 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:40:18,863 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:40:18,864 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:40:18,864 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:40:18,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:40:18,865 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:40:18,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:40:18,866 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:40:18,866 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-10-27 05:40:18,878 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:40:18,878 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:40:18,879 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:40:18,879 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:40:18,880 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:40:18,880 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:40:18,881 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 05:40:18,881 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:40:18,881 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:40:18,881 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:40:18,881 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:40:18,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:40:18,882 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:40:18,882 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:40:18,882 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:40:18,882 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:40:18,882 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:40:18,883 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:40:18,883 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:40:18,883 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:40:18,883 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:40:18,883 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:40:18,883 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:40:18,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:40:18,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:40:18,884 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 05:40:18,884 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:40:18,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:40:18,884 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/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 -> fa16f28cdab01c0d49bf2bd46e148912a30ce280 [2018-10-27 05:40:18,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:40:18,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:40:18,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:40:18,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:40:18,929 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:40:18,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:40:18,973 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/data/655fe58a7/46e147c5b11441f697c4e5968584ae17/FLAGb41c0fc6c [2018-10-27 05:40:19,302 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:40:19,303 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/sv-benchmarks/c/termination-crafted/Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:40:19,308 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/data/655fe58a7/46e147c5b11441f697c4e5968584ae17/FLAGb41c0fc6c [2018-10-27 05:40:19,321 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/data/655fe58a7/46e147c5b11441f697c4e5968584ae17 [2018-10-27 05:40:19,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:40:19,325 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 05:40:19,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:40:19,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:40:19,329 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:40:19,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e84b0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19, skipping insertion in model container [2018-10-27 05:40:19,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:40:19,354 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:40:19,469 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:40:19,471 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:40:19,481 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:40:19,490 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:40:19,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19 WrapperNode [2018-10-27 05:40:19,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:40:19,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:40:19,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:40:19,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:40:19,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... [2018-10-27 05:40:19,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:40:19,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:40:19,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:40:19,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:40:19,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/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 [2018-10-27 05:40:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:40:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:40:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:40:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-27 05:40:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:40:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:40:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:40:19,916 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:40:19,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:40:19 BoogieIcfgContainer [2018-10-27 05:40:19,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:40:19,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:40:19,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:40:19,920 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:40:19,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:40:19" (1/3) ... [2018-10-27 05:40:19,921 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d83aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:40:19, skipping insertion in model container [2018-10-27 05:40:19,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:40:19" (2/3) ... [2018-10-27 05:40:19,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d83aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:40:19, skipping insertion in model container [2018-10-27 05:40:19,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:40:19" (3/3) ... [2018-10-27 05:40:19,930 INFO L112 eAbstractionObserver]: Analyzing ICFG Parallel_true-no-overflow_true-termination_true-valid-memsafety.c [2018-10-27 05:40:19,949 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:40:19,959 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:40:19,976 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:40:20,001 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 05:40:20,001 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:40:20,001 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:40:20,001 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:40:20,001 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:40:20,002 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:40:20,002 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:40:20,002 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:40:20,002 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:40:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-10-27 05:40:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:40:20,021 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:40:20,022 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:40:20,024 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:40:20,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:40:20,029 INFO L82 PathProgramCache]: Analyzing trace with hash 512030507, now seen corresponding path program 1 times [2018-10-27 05:40:20,031 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 05:40:20,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 05:40:20,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:40:20,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:40:20,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:40:20,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:40:20,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:40:20,184 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:40:20,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:40:20,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:40:20,200 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 3 states. [2018-10-27 05:40:20,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:40:20,241 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-10-27 05:40:20,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:40:20,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-10-27 05:40:20,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:40:20,249 INFO L225 Difference]: With dead ends: 26 [2018-10-27 05:40:20,249 INFO L226 Difference]: Without dead ends: 15 [2018-10-27 05:40:20,252 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:40:20,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-10-27 05:40:20,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-10-27 05:40:20,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-10-27 05:40:20,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-10-27 05:40:20,278 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 9 [2018-10-27 05:40:20,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:40:20,278 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-10-27 05:40:20,278 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:40:20,279 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-10-27 05:40:20,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:40:20,279 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:40:20,279 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:40:20,280 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:40:20,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:40:20,280 INFO L82 PathProgramCache]: Analyzing trace with hash 512030699, now seen corresponding path program 1 times [2018-10-27 05:40:20,281 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 05:40:20,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 05:40:20,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:40:20,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:40:20,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:40:20,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:40:20,309 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:40:20,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:40:20,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:40:20,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:40:20,311 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 3 states. [2018-10-27 05:40:20,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:40:20,350 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2018-10-27 05:40:20,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:40:20,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-10-27 05:40:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:40:20,355 INFO L225 Difference]: With dead ends: 15 [2018-10-27 05:40:20,355 INFO L226 Difference]: Without dead ends: 14 [2018-10-27 05:40:20,356 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:40:20,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-10-27 05:40:20,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-10-27 05:40:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-27 05:40:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2018-10-27 05:40:20,361 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 9 [2018-10-27 05:40:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:40:20,361 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2018-10-27 05:40:20,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:40:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-10-27 05:40:20,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:40:20,362 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:40:20,363 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:40:20,364 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:40:20,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:40:20,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1306923416, now seen corresponding path program 1 times [2018-10-27 05:40:20,365 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 05:40:20,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 05:40:20,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,366 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:40:20,366 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:40:20,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:40:20,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:40:20,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:40:20,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:40:20,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:40:20,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:40:20,404 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2018-10-27 05:40:20,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:40:20,423 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2018-10-27 05:40:20,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:40:20,424 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-10-27 05:40:20,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:40:20,424 INFO L225 Difference]: With dead ends: 14 [2018-10-27 05:40:20,424 INFO L226 Difference]: Without dead ends: 13 [2018-10-27 05:40:20,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:40:20,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-10-27 05:40:20,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-10-27 05:40:20,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-10-27 05:40:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2018-10-27 05:40:20,427 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 10 [2018-10-27 05:40:20,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:40:20,427 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2018-10-27 05:40:20,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:40:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-10-27 05:40:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:40:20,428 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:40:20,428 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:40:20,428 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:40:20,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:40:20,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1306917458, now seen corresponding path program 1 times [2018-10-27 05:40:20,429 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 05:40:20,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 05:40:20,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:40:20,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:40:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:40:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:40:20,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:40:20,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:40:20,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:40:20,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:40:20,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:40:20,525 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 4 states. [2018-10-27 05:40:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:40:20,576 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-10-27 05:40:20,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:40:20,577 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-27 05:40:20,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:40:20,578 INFO L225 Difference]: With dead ends: 13 [2018-10-27 05:40:20,578 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 05:40:20,578 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:40:20,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 05:40:20,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 05:40:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 05:40:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 05:40:20,579 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-10-27 05:40:20,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:40:20,579 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 05:40:20,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:40:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 05:40:20,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:40:20,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 05:40:20,610 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 05:40:20,611 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:40:20,611 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:40:20,611 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 05:40:20,611 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 05:40:20,611 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 05:40:20,611 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 17 30) no Hoare annotation was computed. [2018-10-27 05:40:20,611 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 27) no Hoare annotation was computed. [2018-10-27 05:40:20,611 INFO L421 ceAbstractionStarter]: At program point L23-2(lines 22 28) the Hoare annotation is: (and (<= main_~x~0 2147483647) (<= main_~y~0 2147483647)) [2018-10-27 05:40:20,611 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 17 30) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 17 30) the Hoare annotation is: true [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 28) no Hoare annotation was computed. [2018-10-27 05:40:20,612 INFO L425 ceAbstractionStarter]: For program point L22-3(lines 22 28) no Hoare annotation was computed. [2018-10-27 05:40:20,613 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2018-10-27 05:40:20,613 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-10-27 05:40:20,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:40:20 BoogieIcfgContainer [2018-10-27 05:40:20,621 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:40:20,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:40:20,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:40:20,621 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:40:20,622 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:40:19" (3/4) ... [2018-10-27 05:40:20,625 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:40:20,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 05:40:20,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 05:40:20,633 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-27 05:40:20,633 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:40:20,633 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 05:40:20,665 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f3986d7-84db-4a7a-a546-f0e66582ce4a/bin-2019/uautomizer/witness.graphml [2018-10-27 05:40:20,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:40:20,666 INFO L168 Benchmark]: Toolchain (without parser) took 1341.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -142.4 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:40:20,667 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:40:20,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.75 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:40:20,668 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:40:20,668 INFO L168 Benchmark]: RCFGBuilder took 401.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:40:20,668 INFO L168 Benchmark]: TraceAbstraction took 703.41 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:40:20,669 INFO L168 Benchmark]: Witness Printer took 43.92 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. [2018-10-27 05:40:20,676 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.75 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 948.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.13 ms. Allocated memory is still 1.0 GB. Free memory is still 948.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 401.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -196.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 703.41 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: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * Witness Printer took 43.92 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 21 locations, 4 error locations. SAFE Result, 0.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 20 SDslu, 23 SDs, 0 SdLazy, 29 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 11 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 562 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...