./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/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 7c87c9e4b733dad657e6ff9e27a5e9b26a2c3764 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:49:30,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:49:30,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:49:30,010 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:49:30,010 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:49:30,011 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:49:30,012 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:49:30,013 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:49:30,014 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:49:30,015 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:49:30,015 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:49:30,015 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:49:30,016 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:49:30,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:49:30,017 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:49:30,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:49:30,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:49:30,020 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:49:30,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:49:30,022 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:49:30,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:49:30,024 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:49:30,025 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:49:30,026 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:49:30,026 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:49:30,026 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:49:30,027 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:49:30,028 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:49:30,028 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:49:30,029 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:49:30,029 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:49:30,029 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:49:30,030 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:49:30,030 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:49:30,030 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:49:30,031 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:49:30,031 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 05:49:30,040 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:49:30,040 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:49:30,040 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:49:30,040 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:49:30,041 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:49:30,041 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:49:30,041 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:49:30,041 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:49:30,041 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:49:30,041 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:49:30,041 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:49:30,042 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:49:30,042 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:49:30,042 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:49:30,042 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:49:30,043 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:49:30,043 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:49:30,043 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:49:30,043 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:49:30,043 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:49:30,043 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:49:30,044 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:49:30,044 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:49:30,044 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:49:30,044 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:49:30,044 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:49:30,044 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:49:30,045 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:49:30,045 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:49:30,045 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:49:30,045 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:49:30,045 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:49:30,045 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:49:30,045 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_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/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 -> 7c87c9e4b733dad657e6ff9e27a5e9b26a2c3764 [2018-11-10 05:49:30,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:49:30,075 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:49:30,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:49:30,078 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:49:30,078 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:49:30,079 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 05:49:30,114 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/data/3346f018e/ec1adacc2f8144fc89cebb01d1989b99/FLAGcaccadeb4 [2018-11-10 05:49:30,412 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:49:30,412 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/sv-benchmarks/c/termination-crafted/MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 05:49:30,416 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/data/3346f018e/ec1adacc2f8144fc89cebb01d1989b99/FLAGcaccadeb4 [2018-11-10 05:49:30,427 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/data/3346f018e/ec1adacc2f8144fc89cebb01d1989b99 [2018-11-10 05:49:30,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:49:30,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:49:30,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:49:30,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:49:30,433 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:49:30,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac897aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30, skipping insertion in model container [2018-11-10 05:49:30,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:49:30,452 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:49:30,538 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:49:30,540 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:49:30,548 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:49:30,556 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:49:30,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30 WrapperNode [2018-11-10 05:49:30,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:49:30,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:49:30,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:49:30,557 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:49:30,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:49:30,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:49:30,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:49:30,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:49:30,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... [2018-11-10 05:49:30,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:49:30,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:49:30,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:49:30,589 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:49:30,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/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 [2018-11-10 05:49:30,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:49:30,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:49:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:49:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:49:30,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:49:30,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:49:30,784 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:49:30,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:30 BoogieIcfgContainer [2018-11-10 05:49:30,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:49:30,785 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:49:30,785 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:49:30,788 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:49:30,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:49:30" (1/3) ... [2018-11-10 05:49:30,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8f01bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:49:30, skipping insertion in model container [2018-11-10 05:49:30,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:49:30" (2/3) ... [2018-11-10 05:49:30,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d8f01bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:49:30, skipping insertion in model container [2018-11-10 05:49:30,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:30" (3/3) ... [2018-11-10 05:49:30,791 INFO L112 eAbstractionObserver]: Analyzing ICFG MenloPark_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-10 05:49:30,799 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:49:30,805 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-10 05:49:30,819 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-10 05:49:30,846 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:49:30,846 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:49:30,846 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:49:30,846 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:49:30,846 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:49:30,846 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:49:30,846 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:49:30,847 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:49:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-10 05:49:30,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:49:30,866 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:30,866 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:30,868 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:30,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:30,873 INFO L82 PathProgramCache]: Analyzing trace with hash -895809593, now seen corresponding path program 1 times [2018-11-10 05:49:30,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:30,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:30,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:30,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:30,923 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:30,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:30,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:30,989 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:30,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:49:30,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:49:30,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:49:31,001 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2018-11-10 05:49:31,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:31,048 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2018-11-10 05:49:31,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:49:31,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 05:49:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:31,056 INFO L225 Difference]: With dead ends: 37 [2018-11-10 05:49:31,056 INFO L226 Difference]: Without dead ends: 23 [2018-11-10 05:49:31,059 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 [2018-11-10 05:49:31,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-10 05:49:31,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2018-11-10 05:49:31,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-10 05:49:31,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-11-10 05:49:31,081 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8 [2018-11-10 05:49:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:31,081 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-11-10 05:49:31,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:49:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-11-10 05:49:31,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 05:49:31,082 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:31,082 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:31,083 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:31,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,083 INFO L82 PathProgramCache]: Analyzing trace with hash -2000293559, now seen corresponding path program 1 times [2018-11-10 05:49:31,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:31,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:31,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,085 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:31,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:31,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 05:49:31,116 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:31,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 05:49:31,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 05:49:31,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 05:49:31,118 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 4 states. [2018-11-10 05:49:31,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:31,164 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-10 05:49:31,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 05:49:31,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-10 05:49:31,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:31,165 INFO L225 Difference]: With dead ends: 28 [2018-11-10 05:49:31,165 INFO L226 Difference]: Without dead ends: 27 [2018-11-10 05:49:31,166 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:49:31,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-10 05:49:31,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2018-11-10 05:49:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-10 05:49:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-11-10 05:49:31,169 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 9 [2018-11-10 05:49:31,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:31,169 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-11-10 05:49:31,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 05:49:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-11-10 05:49:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:49:31,170 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:31,170 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:31,170 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:31,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,171 INFO L82 PathProgramCache]: Analyzing trace with hash -1879558135, now seen corresponding path program 1 times [2018-11-10 05:49:31,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:31,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:31,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,172 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:31,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:31,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:31,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:31,197 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:31,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:49:31,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:49:31,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:49:31,198 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 3 states. [2018-11-10 05:49:31,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:31,241 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2018-11-10 05:49:31,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:49:31,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 05:49:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:31,243 INFO L225 Difference]: With dead ends: 26 [2018-11-10 05:49:31,243 INFO L226 Difference]: Without dead ends: 25 [2018-11-10 05:49:31,244 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 [2018-11-10 05:49:31,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-10 05:49:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-11-10 05:49:31,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-10 05:49:31,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-11-10 05:49:31,250 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 10 [2018-11-10 05:49:31,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:31,251 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-11-10 05:49:31,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:49:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-11-10 05:49:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:49:31,251 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:31,251 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:31,252 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:31,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1863240011, now seen corresponding path program 1 times [2018-11-10 05:49:31,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:31,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:31,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,254 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:31,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:31,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:31,282 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:31,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:49:31,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:49:31,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:49:31,283 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 3 states. [2018-11-10 05:49:31,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:31,330 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-11-10 05:49:31,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:49:31,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-10 05:49:31,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:31,332 INFO L225 Difference]: With dead ends: 26 [2018-11-10 05:49:31,332 INFO L226 Difference]: Without dead ends: 25 [2018-11-10 05:49:31,333 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 [2018-11-10 05:49:31,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-10 05:49:31,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-10 05:49:31,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-10 05:49:31,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-11-10 05:49:31,336 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 11 [2018-11-10 05:49:31,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:31,336 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-11-10 05:49:31,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:49:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-11-10 05:49:31,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 05:49:31,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:31,337 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:31,337 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:31,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1925865547, now seen corresponding path program 1 times [2018-11-10 05:49:31,337 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:31,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:31,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,339 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:31,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:31,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:31,355 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:31,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:49:31,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:49:31,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:49:31,356 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 3 states. [2018-11-10 05:49:31,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:31,374 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-11-10 05:49:31,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:49:31,374 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-10 05:49:31,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:31,375 INFO L225 Difference]: With dead ends: 28 [2018-11-10 05:49:31,375 INFO L226 Difference]: Without dead ends: 27 [2018-11-10 05:49:31,375 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 [2018-11-10 05:49:31,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-10 05:49:31,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2018-11-10 05:49:31,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-10 05:49:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-11-10 05:49:31,379 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 12 [2018-11-10 05:49:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:31,380 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-11-10 05:49:31,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:49:31,380 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-11-10 05:49:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:49:31,380 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:31,380 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:31,381 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:31,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,381 INFO L82 PathProgramCache]: Analyzing trace with hash -427710131, now seen corresponding path program 1 times [2018-11-10 05:49:31,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:31,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:31,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,383 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:31,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:49:31,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:49:31,411 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:31,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:49:31,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:49:31,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:49:31,412 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 3 states. [2018-11-10 05:49:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:31,434 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-11-10 05:49:31,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:49:31,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-10 05:49:31,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:31,435 INFO L225 Difference]: With dead ends: 28 [2018-11-10 05:49:31,435 INFO L226 Difference]: Without dead ends: 27 [2018-11-10 05:49:31,436 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 [2018-11-10 05:49:31,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-10 05:49:31,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-10 05:49:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-10 05:49:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-11-10 05:49:31,439 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 13 [2018-11-10 05:49:31,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:31,439 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-11-10 05:49:31,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:49:31,439 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-11-10 05:49:31,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:49:31,440 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:49:31,440 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:49:31,440 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:49:31,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1255492539, now seen corresponding path program 1 times [2018-11-10 05:49:31,441 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:49:31,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:49:31,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:49:31,442 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:49:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:49:31,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:49:31,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 05:49:31,481 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 05:49:31,482 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 17 with the following transitions: [2018-11-10 05:49:31,484 INFO L202 CegarAbsIntRunner]: [0], [4], [8], [14], [15], [16], [18], [20], [22], [24], [26], [32], [33], [34] [2018-11-10 05:49:31,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 05:49:31,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 05:49:31,662 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 05:49:31,663 INFO L272 AbstractInterpreter]: Visited 14 different actions 23 times. Merged at 8 different actions 8 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 4 variables. [2018-11-10 05:49:31,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:49:31,676 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 05:49:31,759 INFO L227 lantSequenceWeakener]: Weakened 3 states. On average, predicates are now at 33.33% of their original sizes. [2018-11-10 05:49:31,759 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 05:49:31,859 INFO L415 sIntCurrentIteration]: We unified 15 AI predicates to 15 [2018-11-10 05:49:31,859 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 05:49:31,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 05:49:31,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2018-11-10 05:49:31,860 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:49:31,861 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 05:49:31,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 05:49:31,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-10 05:49:31,861 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 8 states. [2018-11-10 05:49:32,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:49:32,044 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-11-10 05:49:32,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 05:49:32,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-11-10 05:49:32,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:49:32,045 INFO L225 Difference]: With dead ends: 27 [2018-11-10 05:49:32,045 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 05:49:32,046 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-10 05:49:32,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 05:49:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 05:49:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 05:49:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 05:49:32,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-11-10 05:49:32,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:49:32,047 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 05:49:32,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 05:49:32,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 05:49:32,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:49:32,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 05:49:32,162 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 05:49:32,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:49:32,162 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 05:49:32,162 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 05:49:32,163 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 16 28) no Hoare annotation was computed. [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point L25-1(line 25) no Hoare annotation was computed. [2018-11-10 05:49:32,163 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 16 28) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 16 28) the Hoare annotation is: true [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-10 05:49:32,164 INFO L421 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: (or (and (= main_~y~0 99) (<= main_~y~0 (+ main_~x~0 199)) (= (+ main_~z~0 1) 0) (<= (+ main_~x~0 main_~y~0) 2147483646)) (and (= main_~y~0 100) (<= 0 (+ main_~x~0 main_~z~0 2147483647)) (= main_~z~0 1) (<= (+ main_~x~0 main_~z~0) 2147483648))) [2018-11-10 05:49:32,165 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-11-10 05:49:32,165 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 25) no Hoare annotation was computed. [2018-11-10 05:49:32,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:49:32 BoogieIcfgContainer [2018-11-10 05:49:32,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:49:32,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:49:32,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:49:32,173 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:49:32,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:49:30" (3/4) ... [2018-11-10 05:49:32,176 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:49:32,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 05:49:32,180 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 05:49:32,183 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:49:32,184 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 05:49:32,184 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:49:32,221 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c7491c0-9d30-4cc3-b010-c3fd11ab3a3a/bin-2019/utaipan/witness.graphml [2018-11-10 05:49:32,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:49:32,222 INFO L168 Benchmark]: Toolchain (without parser) took 1792.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 959.1 MB in the beginning and 995.7 MB in the end (delta: -36.6 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:32,223 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:49:32,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 125.73 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:32,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.09 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:49:32,224 INFO L168 Benchmark]: Boogie Preprocessor took 15.85 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:32,225 INFO L168 Benchmark]: RCFGBuilder took 195.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:32,225 INFO L168 Benchmark]: TraceAbstraction took 1387.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.4 MB in the end (delta: 139.3 MB). Peak memory consumption was 139.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:32,226 INFO L168 Benchmark]: Witness Printer took 48.90 ms. Allocated memory is still 1.2 GB. Free memory was 998.4 MB in the beginning and 995.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:49:32,228 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 125.73 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.09 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.85 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1387.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.4 MB in the end (delta: 139.3 MB). Peak memory consumption was 139.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.90 ms. Allocated memory is still 1.2 GB. Free memory was 998.4 MB in the beginning and 995.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: 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: 24]: 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 - PositiveResult [Line: 24]: 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: 22]: Loop Invariant Derived loop invariant: (((y == 99 && y <= x + 199) && z + 1 == 0) && x + y <= 2147483646) || (((y == 100 && 0 <= x + z + 2147483647) && z == 1) && x + z <= 2147483648) - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 6 error locations. SAFE Result, 1.3s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 96 SDtfs, 19 SDslu, 83 SDs, 0 SdLazy, 109 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.2 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 6 NumberOfFragments, 42 HoareAnnotationTreeSize, 5 FomulaSimplifications, 234 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 171 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 2510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...