./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.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_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07d66c4a8707cd8197105d63e3dee30aff715401 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:49:22,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:49:22,842 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:49:22,852 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:49:22,852 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:49:22,853 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:49:22,854 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:49:22,855 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:49:22,857 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:49:22,858 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:49:22,858 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:49:22,858 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:49:22,859 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:49:22,860 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:49:22,861 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:49:22,861 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:49:22,862 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:49:22,863 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:49:22,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:49:22,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:49:22,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:49:22,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:49:22,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:49:22,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:49:22,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:49:22,873 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:49:22,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:49:22,874 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:49:22,875 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:49:22,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:49:22,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:49:22,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:49:22,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:49:22,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:49:22,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:49:22,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:49:22,879 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:49:22,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:49:22,892 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:49:22,892 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:49:22,893 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:49:22,893 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:49:22,893 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:49:22,893 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:49:22,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:49:22,893 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:49:22,893 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:49:22,894 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:49:22,894 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:49:22,894 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:49:22,894 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:49:22,895 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:49:22,897 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:49:22,898 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:49:22,898 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:49:22,898 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:49:22,898 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:49:22,898 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:49:22,898 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:49:22,899 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:49:22,899 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:49:22,899 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:49:22,899 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:49:22,899 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:49:22,899 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan 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 -> Taipan 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 -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2018-10-27 05:49:22,927 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:49:22,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:49:22,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:49:22,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:49:22,941 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:49:22,941 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2018-10-27 05:49:22,989 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/data/ee93d25b6/7d2d41159d0242c093c3471ddcec3581/FLAG758233fbe [2018-10-27 05:49:23,372 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:49:23,373 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2018-10-27 05:49:23,378 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/data/ee93d25b6/7d2d41159d0242c093c3471ddcec3581/FLAG758233fbe [2018-10-27 05:49:23,390 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/data/ee93d25b6/7d2d41159d0242c093c3471ddcec3581 [2018-10-27 05:49:23,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:49:23,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:49:23,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:49:23,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:49:23,398 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:49:23,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9eb9fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23, skipping insertion in model container [2018-10-27 05:49:23,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:49:23,425 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:49:23,538 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:49:23,540 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:49:23,552 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:49:23,564 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:49:23,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23 WrapperNode [2018-10-27 05:49:23,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:49:23,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:49:23,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:49:23,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:49:23,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:49:23,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:49:23,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:49:23,585 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:49:23,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,601 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... [2018-10-27 05:49:23,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:49:23,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:49:23,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:49:23,603 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:49:23,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/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 05:49:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:49:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:49:23,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:49:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:49:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:49:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:49:24,020 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:49:24,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:49:24 BoogieIcfgContainer [2018-10-27 05:49:24,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:49:24,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:49:24,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:49:24,027 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:49:24,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:49:23" (1/3) ... [2018-10-27 05:49:24,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6496d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:49:24, skipping insertion in model container [2018-10-27 05:49:24,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:49:23" (2/3) ... [2018-10-27 05:49:24,029 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6496d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:49:24, skipping insertion in model container [2018-10-27 05:49:24,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:49:24" (3/3) ... [2018-10-27 05:49:24,030 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2018-10-27 05:49:24,040 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:49:24,052 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-10-27 05:49:24,068 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-10-27 05:49:24,107 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:49:24,107 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:49:24,107 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:49:24,108 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:49:24,108 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:49:24,108 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:49:24,108 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:49:24,108 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:49:24,126 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2018-10-27 05:49:24,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:49:24,131 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:24,139 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:24,141 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:24,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:24,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1555232352, now seen corresponding path program 1 times [2018-10-27 05:49:24,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:24,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:24,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,201 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:24,291 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 05:49:24,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:49:24,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:49:24,293 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:24,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:49:24,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:49:24,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:49:24,307 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2018-10-27 05:49:24,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:24,423 INFO L93 Difference]: Finished difference Result 47 states and 54 transitions. [2018-10-27 05:49:24,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:49:24,425 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-10-27 05:49:24,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:24,435 INFO L225 Difference]: With dead ends: 47 [2018-10-27 05:49:24,435 INFO L226 Difference]: Without dead ends: 32 [2018-10-27 05:49:24,440 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 05:49:24,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-10-27 05:49:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2018-10-27 05:49:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-10-27 05:49:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 34 transitions. [2018-10-27 05:49:24,472 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 34 transitions. Word has length 10 [2018-10-27 05:49:24,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:24,472 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 34 transitions. [2018-10-27 05:49:24,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:49:24,472 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-27 05:49:24,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:49:24,473 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:24,473 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:24,473 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:24,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:24,474 INFO L82 PathProgramCache]: Analyzing trace with hash 967562710, now seen corresponding path program 1 times [2018-10-27 05:49:24,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:24,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:24,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,475 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:24,524 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 05:49:24,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:49:24,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:49:24,525 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:24,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:49:24,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:49:24,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:49:24,526 INFO L87 Difference]: Start difference. First operand 29 states and 34 transitions. Second operand 3 states. [2018-10-27 05:49:24,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:24,570 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-10-27 05:49:24,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:49:24,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-10-27 05:49:24,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:24,571 INFO L225 Difference]: With dead ends: 48 [2018-10-27 05:49:24,571 INFO L226 Difference]: Without dead ends: 46 [2018-10-27 05:49:24,572 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 05:49:24,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-27 05:49:24,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2018-10-27 05:49:24,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-27 05:49:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2018-10-27 05:49:24,577 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 11 [2018-10-27 05:49:24,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:24,578 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2018-10-27 05:49:24,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:49:24,578 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2018-10-27 05:49:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:49:24,578 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:24,578 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:24,579 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:24,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:24,579 INFO L82 PathProgramCache]: Analyzing trace with hash -70326999, now seen corresponding path program 1 times [2018-10-27 05:49:24,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:24,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:24,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,581 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:24,621 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 05:49:24,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:49:24,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:49:24,621 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:24,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:49:24,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:49:24,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:49:24,622 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand 3 states. [2018-10-27 05:49:24,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:24,692 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2018-10-27 05:49:24,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:49:24,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-10-27 05:49:24,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:24,695 INFO L225 Difference]: With dead ends: 50 [2018-10-27 05:49:24,695 INFO L226 Difference]: Without dead ends: 49 [2018-10-27 05:49:24,696 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 05:49:24,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-10-27 05:49:24,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-10-27 05:49:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-10-27 05:49:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2018-10-27 05:49:24,703 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 12 [2018-10-27 05:49:24,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:24,703 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2018-10-27 05:49:24,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:49:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2018-10-27 05:49:24,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:49:24,704 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:24,704 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:24,705 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:24,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:24,706 INFO L82 PathProgramCache]: Analyzing trace with hash 2114830392, now seen corresponding path program 1 times [2018-10-27 05:49:24,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:24,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:24,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,709 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:24,768 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 05:49:24,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:49:24,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:49:24,769 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:24,769 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:49:24,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:49:24,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:49:24,770 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand 3 states. [2018-10-27 05:49:24,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:24,821 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2018-10-27 05:49:24,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:49:24,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-10-27 05:49:24,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:24,828 INFO L225 Difference]: With dead ends: 47 [2018-10-27 05:49:24,828 INFO L226 Difference]: Without dead ends: 46 [2018-10-27 05:49:24,829 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 05:49:24,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-27 05:49:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-10-27 05:49:24,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-10-27 05:49:24,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions. [2018-10-27 05:49:24,833 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 13 [2018-10-27 05:49:24,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:24,834 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions. [2018-10-27 05:49:24,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:49:24,834 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2018-10-27 05:49:24,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 05:49:24,835 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:24,835 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:24,835 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:24,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:24,836 INFO L82 PathProgramCache]: Analyzing trace with hash 1146502688, now seen corresponding path program 1 times [2018-10-27 05:49:24,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:24,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:24,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:24,838 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:49:24,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 05:49:24,937 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 05:49:24,938 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 18 with the following transitions: [2018-10-27 05:49:24,939 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [11], [17], [20], [21], [22], [24], [33], [35], [44], [45], [46] [2018-10-27 05:49:24,978 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 05:49:24,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 05:49:25,231 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 05:49:25,233 INFO L272 AbstractInterpreter]: Visited 14 different actions 78 times. Merged at 7 different actions 56 times. Widened at 1 different actions 4 times. Found 1 fixpoints after 1 different actions. Largest state had 5 variables. [2018-10-27 05:49:25,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:25,260 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 05:49:25,320 INFO L227 lantSequenceWeakener]: Weakened 2 states. On average, predicates are now at 58.33% of their original sizes. [2018-10-27 05:49:25,320 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 05:49:25,717 INFO L415 sIntCurrentIteration]: We unified 16 AI predicates to 16 [2018-10-27 05:49:25,717 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 05:49:25,718 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 05:49:25,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [3] total 10 [2018-10-27 05:49:25,718 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:25,718 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 05:49:25,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 05:49:25,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 05:49:25,719 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand 9 states. [2018-10-27 05:49:26,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:26,326 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2018-10-27 05:49:26,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 05:49:26,326 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2018-10-27 05:49:26,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:26,327 INFO L225 Difference]: With dead ends: 49 [2018-10-27 05:49:26,327 INFO L226 Difference]: Without dead ends: 46 [2018-10-27 05:49:26,327 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:49:26,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-27 05:49:26,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-10-27 05:49:26,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-10-27 05:49:26,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2018-10-27 05:49:26,334 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 17 [2018-10-27 05:49:26,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:26,334 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2018-10-27 05:49:26,334 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 05:49:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2018-10-27 05:49:26,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 05:49:26,335 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:26,335 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:26,335 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:26,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:26,336 INFO L82 PathProgramCache]: Analyzing trace with hash -385100784, now seen corresponding path program 1 times [2018-10-27 05:49:26,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:26,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:26,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:26,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:26,337 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:49:26,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 05:49:26,387 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 05:49:26,387 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 19 with the following transitions: [2018-10-27 05:49:26,388 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [11], [17], [20], [22], [23], [26], [28], [30], [33], [35], [44], [45], [46] [2018-10-27 05:49:26,391 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 05:49:26,391 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 05:49:26,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 05:49:26,485 INFO L272 AbstractInterpreter]: Visited 16 different actions 96 times. Merged at 9 different actions 72 times. Widened at 1 different actions 4 times. Found 1 fixpoints after 1 different actions. Largest state had 5 variables. [2018-10-27 05:49:26,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:26,499 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 05:49:26,529 INFO L227 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 61.11% of their original sizes. [2018-10-27 05:49:26,529 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 05:49:26,699 INFO L415 sIntCurrentIteration]: We unified 17 AI predicates to 17 [2018-10-27 05:49:26,699 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 05:49:26,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 05:49:26,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [3] total 10 [2018-10-27 05:49:26,699 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:26,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 05:49:26,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 05:49:26,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-10-27 05:49:26,700 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand 9 states. [2018-10-27 05:49:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:27,278 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2018-10-27 05:49:27,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 05:49:27,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-10-27 05:49:27,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:27,279 INFO L225 Difference]: With dead ends: 49 [2018-10-27 05:49:27,279 INFO L226 Difference]: Without dead ends: 46 [2018-10-27 05:49:27,279 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:49:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-27 05:49:27,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-10-27 05:49:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-27 05:49:27,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-10-27 05:49:27,286 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 18 [2018-10-27 05:49:27,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:27,286 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-10-27 05:49:27,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 05:49:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-10-27 05:49:27,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 05:49:27,287 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:49:27,287 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:49:27,287 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:49:27,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:27,288 INFO L82 PathProgramCache]: Analyzing trace with hash -2017325469, now seen corresponding path program 1 times [2018-10-27 05:49:27,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:49:27,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:27,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:49:27,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:49:27,289 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:49:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:49:27,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:49:27,340 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 05:49:27,341 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 05:49:27,341 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-10-27 05:49:27,341 INFO L202 CegarAbsIntRunner]: [0], [4], [7], [11], [17], [20], [22], [24], [26], [28], [30], [32], [33], [35], [44], [45], [46] [2018-10-27 05:49:27,342 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 05:49:27,342 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 05:49:27,463 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-27 05:49:27,463 INFO L272 AbstractInterpreter]: Visited 17 different actions 179 times. Merged at 10 different actions 128 times. Widened at 1 different actions 6 times. Found 14 fixpoints after 3 different actions. Largest state had 5 variables. [2018-10-27 05:49:27,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:49:27,467 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-27 05:49:27,492 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 39.58% of their original sizes. [2018-10-27 05:49:27,492 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-27 05:49:27,743 INFO L415 sIntCurrentIteration]: We unified 18 AI predicates to 18 [2018-10-27 05:49:27,743 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-27 05:49:27,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-27 05:49:27,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [3] total 11 [2018-10-27 05:49:27,744 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:49:27,744 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-27 05:49:27,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-27 05:49:27,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-10-27 05:49:27,745 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 10 states. [2018-10-27 05:49:28,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:49:28,136 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2018-10-27 05:49:28,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 05:49:28,137 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 19 [2018-10-27 05:49:28,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:49:28,137 INFO L225 Difference]: With dead ends: 41 [2018-10-27 05:49:28,137 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 05:49:28,138 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2018-10-27 05:49:28,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 05:49:28,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 05:49:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 05:49:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 05:49:28,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-10-27 05:49:28,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:49:28,138 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 05:49:28,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-27 05:49:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 05:49:28,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 05:49:28,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 05:49:28,265 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-27 05:49:28,265 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-27 05:49:28,266 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 13 29) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-27 05:49:28,266 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 26) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L421 ceAbstractionStarter]: At program point L19-3(lines 19 26) the Hoare annotation is: (and (<= 1 (+ main_~x~0 main_~a~0)) (<= (* 2 main_~max~0) 4294967294) (<= (+ main_~a~0 1) main_~x~0) (<= main_~x~0 main_~max~0)) [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 13 29) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 13 29) the Hoare annotation is: true [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point L20(lines 20 24) no Hoare annotation was computed. [2018-10-27 05:49:28,267 INFO L425 ceAbstractionStarter]: For program point L20-2(lines 20 24) no Hoare annotation was computed. [2018-10-27 05:49:28,268 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 27) no Hoare annotation was computed. [2018-10-27 05:49:28,268 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 16 27) no Hoare annotation was computed. [2018-10-27 05:49:28,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:49:28 BoogieIcfgContainer [2018-10-27 05:49:28,275 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:49:28,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:49:28,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:49:28,276 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:49:28,276 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:49:24" (3/4) ... [2018-10-27 05:49:28,279 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 05:49:28,283 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 05:49:28,283 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 05:49:28,286 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-27 05:49:28,286 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 05:49:28,286 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 05:49:28,318 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd1f972e-137c-4fe1-947f-57d892bafdc1/bin-2019/utaipan/witness.graphml [2018-10-27 05:49:28,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:49:28,318 INFO L168 Benchmark]: Toolchain (without parser) took 4925.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 961.2 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:28,319 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:49:28,320 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 949.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:28,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.0 GB. Free memory is still 949.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:49:28,321 INFO L168 Benchmark]: Boogie Preprocessor took 17.66 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:28,321 INFO L168 Benchmark]: RCFGBuilder took 418.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:28,322 INFO L168 Benchmark]: TraceAbstraction took 4254.42 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: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:49:28,322 INFO L168 Benchmark]: Witness Printer took 42.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:49:28,326 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.86 ms. Allocated memory is still 1.0 GB. Free memory was 961.2 MB in the beginning and 949.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.54 ms. Allocated memory is still 1.0 GB. Free memory is still 949.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.66 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 418.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4254.42 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: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Witness Printer took 42.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((1 <= x + a && 2 * max <= 4294967294) && a + 1 <= x) && x <= max - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 6 error locations. SAFE Result, 4.1s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 110 SDtfs, 100 SDslu, 137 SDs, 0 SdLazy, 140 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 62 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9764705882352942 AbsIntWeakeningRatio, 0.29411764705882354 AbsIntAvgWeakeningVarsNumRemoved, 2.5294117647058822 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 23 HoareAnnotationTreeSize, 5 FomulaSimplifications, 238 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 243 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 3253 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 0/11 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...