./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/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 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:29:40,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:29:40,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:29:40,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:29:40,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:29:40,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:29:40,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:29:40,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:29:40,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:29:40,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:29:40,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:29:40,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:29:40,983 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:29:40,983 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:29:40,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:29:40,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:29:40,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:29:40,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:29:40,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:29:40,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:29:40,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:29:40,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:29:40,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:29:40,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:29:40,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:29:40,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:29:40,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:29:40,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:29:40,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:29:40,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:29:40,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:29:40,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:29:40,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:29:40,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:29:40,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:29:40,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:29:40,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:29:41,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:29:41,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:29:41,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:29:41,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:29:41,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2019-12-07 15:29:41,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:29:41,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:29:41,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:29:41,016 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:29:41,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:29:41,017 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:29:41,017 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:29:41,017 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:29:41,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:29:41,017 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:29:41,018 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:29:41,018 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:29:41,018 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:29:41,018 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:29:41,018 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:29:41,019 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:29:41,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:29:41,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:29:41,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:29:41,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:29:41,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:29:41,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:29:41,020 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 15:29:41,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:29:41,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:29:41,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:29:41,021 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:29:41,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:29:41,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:29:41,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:29:41,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:29:41,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:29:41,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:29:41,022 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:29:41,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:29:41,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:29:41,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:29:41,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:29:41,023 INFO L138 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/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/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 -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2019-12-07 15:29:41,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:29:41,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:29:41,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:29:41,139 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:29:41,139 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:29:41,140 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2019-12-07 15:29:41,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/data/935b42388/a448e911167a4a399ce068fc39a9f55a/FLAG56319d6dc [2019-12-07 15:29:41,489 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:29:41,490 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2019-12-07 15:29:41,493 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/data/935b42388/a448e911167a4a399ce068fc39a9f55a/FLAG56319d6dc [2019-12-07 15:29:41,502 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/data/935b42388/a448e911167a4a399ce068fc39a9f55a [2019-12-07 15:29:41,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:29:41,504 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:29:41,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:29:41,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:29:41,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:29:41,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8ebb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41, skipping insertion in model container [2019-12-07 15:29:41,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:29:41,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:29:41,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:29:41,673 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:29:41,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:29:41,693 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:29:41,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41 WrapperNode [2019-12-07 15:29:41,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:29:41,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:29:41,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:29:41,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:29:41,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:29:41,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:29:41,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:29:41,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:29:41,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... [2019-12-07 15:29:41,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:29:41,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:29:41,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:29:41,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:29:41,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/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 [2019-12-07 15:29:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:29:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:29:41,900 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:29:41,900 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 15:29:41,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:29:41 BoogieIcfgContainer [2019-12-07 15:29:41,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:29:41,901 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:29:41,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:29:41,904 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:29:41,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:29:41" (1/3) ... [2019-12-07 15:29:41,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a30b063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:29:41, skipping insertion in model container [2019-12-07 15:29:41,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:29:41" (2/3) ... [2019-12-07 15:29:41,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a30b063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:29:41, skipping insertion in model container [2019-12-07 15:29:41,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:29:41" (3/3) ... [2019-12-07 15:29:41,907 INFO L109 eAbstractionObserver]: Analyzing ICFG UrbanMine-ESOP2014-Fig3.c [2019-12-07 15:29:41,913 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:29:41,917 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-12-07 15:29:41,924 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-07 15:29:41,939 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:29:41,939 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:29:41,939 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:29:41,939 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:29:41,939 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:29:41,940 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:29:41,940 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:29:41,940 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:29:41,950 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-12-07 15:29:41,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:29:41,953 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:41,954 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:29:41,954 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:41,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:41,958 INFO L82 PathProgramCache]: Analyzing trace with hash 29863588, now seen corresponding path program 1 times [2019-12-07 15:29:41,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:41,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528086418] [2019-12-07 15:29:41,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,065 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528086418] [2019-12-07 15:29:42,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 15:29:42,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656273743] [2019-12-07 15:29:42,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:29:42,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:29:42,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,080 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 3 states. [2019-12-07 15:29:42,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,121 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2019-12-07 15:29:42,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:29:42,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 15:29:42,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,129 INFO L225 Difference]: With dead ends: 33 [2019-12-07 15:29:42,129 INFO L226 Difference]: Without dead ends: 30 [2019-12-07 15:29:42,131 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-12-07 15:29:42,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2019-12-07 15:29:42,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 15:29:42,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-12-07 15:29:42,155 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 5 [2019-12-07 15:29:42,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,156 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-12-07 15:29:42,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:29:42,156 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2019-12-07 15:29:42,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:29:42,156 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:42,156 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:29:42,157 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:42,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:42,157 INFO L82 PathProgramCache]: Analyzing trace with hash 29863780, now seen corresponding path program 1 times [2019-12-07 15:29:42,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:42,157 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081094966] [2019-12-07 15:29:42,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081094966] [2019-12-07 15:29:42,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 15:29:42,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336174675] [2019-12-07 15:29:42,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:29:42,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:29:42,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,174 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 3 states. [2019-12-07 15:29:42,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,188 INFO L93 Difference]: Finished difference Result 28 states and 36 transitions. [2019-12-07 15:29:42,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:29:42,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 15:29:42,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,189 INFO L225 Difference]: With dead ends: 28 [2019-12-07 15:29:42,189 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 15:29:42,189 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 15:29:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 15:29:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 15:29:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2019-12-07 15:29:42,193 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 5 [2019-12-07 15:29:42,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,193 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2019-12-07 15:29:42,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:29:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2019-12-07 15:29:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-07 15:29:42,194 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:42,194 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-07 15:29:42,194 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:42,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:42,195 INFO L82 PathProgramCache]: Analyzing trace with hash 29879476, now seen corresponding path program 1 times [2019-12-07 15:29:42,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:42,195 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146117732] [2019-12-07 15:29:42,195 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,207 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146117732] [2019-12-07 15:29:42,208 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,208 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:29:42,208 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805955785] [2019-12-07 15:29:42,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:29:42,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:29:42,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,209 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand 3 states. [2019-12-07 15:29:42,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,223 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2019-12-07 15:29:42,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:29:42,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-07 15:29:42,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,224 INFO L225 Difference]: With dead ends: 26 [2019-12-07 15:29:42,224 INFO L226 Difference]: Without dead ends: 25 [2019-12-07 15:29:42,225 INFO L630 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 [2019-12-07 15:29:42,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-07 15:29:42,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-07 15:29:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 15:29:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2019-12-07 15:29:42,228 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 5 [2019-12-07 15:29:42,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,228 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2019-12-07 15:29:42,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:29:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-12-07 15:29:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:29:42,229 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:42,229 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:29:42,229 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:42,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:42,230 INFO L82 PathProgramCache]: Analyzing trace with hash 925771278, now seen corresponding path program 1 times [2019-12-07 15:29:42,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:42,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312200977] [2019-12-07 15:29:42,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312200977] [2019-12-07 15:29:42,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:29:42,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210232268] [2019-12-07 15:29:42,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:29:42,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:29:42,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,246 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand 3 states. [2019-12-07 15:29:42,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,264 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2019-12-07 15:29:42,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:29:42,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 15:29:42,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,265 INFO L225 Difference]: With dead ends: 52 [2019-12-07 15:29:42,265 INFO L226 Difference]: Without dead ends: 28 [2019-12-07 15:29:42,266 INFO L630 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 [2019-12-07 15:29:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-07 15:29:42,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-07 15:29:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-07 15:29:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2019-12-07 15:29:42,269 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 6 [2019-12-07 15:29:42,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,269 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2019-12-07 15:29:42,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:29:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2019-12-07 15:29:42,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:29:42,270 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:42,270 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:29:42,270 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:42,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:42,270 INFO L82 PathProgramCache]: Analyzing trace with hash 925777236, now seen corresponding path program 1 times [2019-12-07 15:29:42,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:42,271 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901780444] [2019-12-07 15:29:42,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,285 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901780444] [2019-12-07 15:29:42,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:29:42,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848240670] [2019-12-07 15:29:42,286 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:29:42,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:29:42,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,287 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 3 states. [2019-12-07 15:29:42,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,301 INFO L93 Difference]: Finished difference Result 29 states and 35 transitions. [2019-12-07 15:29:42,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:29:42,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 15:29:42,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,302 INFO L225 Difference]: With dead ends: 29 [2019-12-07 15:29:42,302 INFO L226 Difference]: Without dead ends: 27 [2019-12-07 15:29:42,303 INFO L630 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 [2019-12-07 15:29:42,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-07 15:29:42,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2019-12-07 15:29:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 15:29:42,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2019-12-07 15:29:42,307 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 6 [2019-12-07 15:29:42,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,307 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions. [2019-12-07 15:29:42,307 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:29:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2019-12-07 15:29:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-07 15:29:42,308 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:42,308 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-12-07 15:29:42,308 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:42,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:42,309 INFO L82 PathProgramCache]: Analyzing trace with hash 926263822, now seen corresponding path program 1 times [2019-12-07 15:29:42,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:42,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406388130] [2019-12-07 15:29:42,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,324 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406388130] [2019-12-07 15:29:42,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-07 15:29:42,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310337406] [2019-12-07 15:29:42,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 15:29:42,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 15:29:42,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,325 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand 3 states. [2019-12-07 15:29:42,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,338 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2019-12-07 15:29:42,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 15:29:42,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-12-07 15:29:42,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,339 INFO L225 Difference]: With dead ends: 26 [2019-12-07 15:29:42,339 INFO L226 Difference]: Without dead ends: 25 [2019-12-07 15:29:42,340 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 15:29:42,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-07 15:29:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-07 15:29:42,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 15:29:42,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2019-12-07 15:29:42,342 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 6 [2019-12-07 15:29:42,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,343 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2019-12-07 15:29:42,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 15:29:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2019-12-07 15:29:42,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:29:42,343 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:29:42,343 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:29:42,343 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-12-07 15:29:42,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:29:42,344 INFO L82 PathProgramCache]: Analyzing trace with hash -248985325, now seen corresponding path program 1 times [2019-12-07 15:29:42,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:29:42,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483296927] [2019-12-07 15:29:42,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:29:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:29:42,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:29:42,362 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483296927] [2019-12-07 15:29:42,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:29:42,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:29:42,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359577697] [2019-12-07 15:29:42,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 15:29:42,363 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:29:42,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:29:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:29:42,363 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand 4 states. [2019-12-07 15:29:42,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:29:42,389 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2019-12-07 15:29:42,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:29:42,390 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-07 15:29:42,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:29:42,390 INFO L225 Difference]: With dead ends: 50 [2019-12-07 15:29:42,390 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:29:42,391 INFO L630 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 [2019-12-07 15:29:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:29:42,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:29:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:29:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:29:42,392 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-12-07 15:29:42,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:29:42,392 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:29:42,392 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 15:29:42,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:29:42,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:29:42,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:29:42,421 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point L27(lines 27 32) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L242 CegarLoopResult]: At program point L27-2(lines 18 34) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~x~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point L19(lines 19 33) no Hoare annotation was computed. [2019-12-07 15:29:42,422 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L30-1(line 30) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L28-1(line 28) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point L20(lines 20 25) no Hoare annotation was computed. [2019-12-07 15:29:42,423 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2019-12-07 15:29:42,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:29:42 BoogieIcfgContainer [2019-12-07 15:29:42,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:29:42,435 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:29:42,435 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:29:42,435 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:29:42,436 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:29:41" (3/4) ... [2019-12-07 15:29:42,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:29:42,444 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 15:29:42,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 15:29:42,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:29:42,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2db1e5fa-7f75-44de-b977-d823442c0aa9/bin/utaipan/witness.graphml [2019-12-07 15:29:42,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:29:42,484 INFO L168 Benchmark]: Toolchain (without parser) took 978.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -67.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:29:42,484 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:29:42,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:29:42,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:29:42,485 INFO L168 Benchmark]: Boogie Preprocessor took 15.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:29:42,485 INFO L168 Benchmark]: RCFGBuilder took 166.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:29:42,485 INFO L168 Benchmark]: TraceAbstraction took 533.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. [2019-12-07 15:29:42,486 INFO L168 Benchmark]: Witness Printer took 46.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:29:42,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 958.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -160.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.79 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 166.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 533.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.5 MB). Peak memory consumption was 65.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 30]: 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 24]: 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (x <= 2147483647 && 0 <= x + 2147483648) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 8 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 105 SDtfs, 71 SDslu, 27 SDs, 0 SdLazy, 91 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 3 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 6 NumberOfFragments, 12 HoareAnnotationTreeSize, 1 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 25 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...