./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:52:27,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:52:27,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:52:27,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:52:27,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:52:27,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:52:27,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:52:28,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:52:28,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:52:28,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:52:28,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:52:28,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:52:28,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:52:28,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:52:28,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:52:28,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:52:28,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:52:28,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:52:28,024 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:52:28,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:52:28,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:52:28,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:52:28,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:52:28,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:52:28,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:52:28,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:52:28,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:52:28,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:52:28,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:52:28,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:52:28,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:52:28,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:52:28,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:52:28,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:52:28,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:52:28,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:52:28,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:52:28,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:52:28,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:52:28,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:52:28,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:52:28,047 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-25 08:52:28,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:52:28,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:52:28,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:52:28,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:52:28,060 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:52:28,060 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:52:28,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:52:28,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:52:28,061 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:52:28,061 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:52:28,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:52:28,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:52:28,061 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-25 08:52:28,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:52:28,062 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:52:28,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:52:28,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:52:28,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:52:28,063 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:52:28,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:52:28,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:28,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:52:28,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:52:28,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:52:28,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:52:28,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:52:28,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:52:28,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e9d7ee8b64b2fe79b2fb3806ae1ecb1089e2e41 [2019-11-25 08:52:28,233 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:52:28,244 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:52:28,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:52:28,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:52:28,249 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:52:28,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2019-11-25 08:52:28,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/data/0ded86c3b/17fa458a89c2478fbd7f55e88aa7fc2a/FLAG9b773b91f [2019-11-25 08:52:28,689 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:52:28,689 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig1.c [2019-11-25 08:52:28,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/data/0ded86c3b/17fa458a89c2478fbd7f55e88aa7fc2a/FLAG9b773b91f [2019-11-25 08:52:28,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/data/0ded86c3b/17fa458a89c2478fbd7f55e88aa7fc2a [2019-11-25 08:52:28,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:52:28,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:52:28,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:28,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:52:28,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:52:28,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:28" (1/1) ... [2019-11-25 08:52:28,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450a94ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:28, skipping insertion in model container [2019-11-25 08:52:28,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:52:28" (1/1) ... [2019-11-25 08:52:28,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:52:28,740 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:52:28,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:28,884 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:52:28,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:52:29,016 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:52:29,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29 WrapperNode [2019-11-25 08:52:29,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:52:29,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:29,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:52:29,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:52:29,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,032 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:52:29,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:52:29,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:52:29,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:52:29,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... [2019-11-25 08:52:29,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:52:29,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:52:29,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:52:29,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:52:29,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:52:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:52:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:52:29,310 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:52:29,310 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:52:29,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:29 BoogieIcfgContainer [2019-11-25 08:52:29,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:52:29,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:52:29,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:52:29,315 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:52:29,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:52:28" (1/3) ... [2019-11-25 08:52:29,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dab60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:29, skipping insertion in model container [2019-11-25 08:52:29,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:52:29" (2/3) ... [2019-11-25 08:52:29,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14dab60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:52:29, skipping insertion in model container [2019-11-25 08:52:29,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:29" (3/3) ... [2019-11-25 08:52:29,318 INFO L109 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig1.c [2019-11-25 08:52:29,342 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:52:29,347 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-25 08:52:29,356 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-25 08:52:29,391 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:52:29,391 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:52:29,391 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:52:29,391 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:52:29,392 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:52:29,392 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:52:29,392 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:52:29,392 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:52:29,409 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-25 08:52:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-25 08:52:29,414 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:29,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-25 08:52:29,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-25 08:52:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:29,421 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-11-25 08:52:29,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:29,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370555262] [2019-11-25 08:52:29,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:29,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:29,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370555262] [2019-11-25 08:52:29,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:29,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-25 08:52:29,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238648476] [2019-11-25 08:52:29,580 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:29,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:29,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:29,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:29,599 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-11-25 08:52:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:29,625 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-11-25 08:52:29,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:29,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-25 08:52:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:29,633 INFO L225 Difference]: With dead ends: 19 [2019-11-25 08:52:29,633 INFO L226 Difference]: Without dead ends: 10 [2019-11-25 08:52:29,636 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 [2019-11-25 08:52:29,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-25 08:52:29,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-25 08:52:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-25 08:52:29,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-25 08:52:29,668 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-11-25 08:52:29,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:29,668 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-25 08:52:29,668 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-25 08:52:29,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-25 08:52:29,669 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:29,669 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-25 08:52:29,669 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-25 08:52:29,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:29,669 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-11-25 08:52:29,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:29,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996045114] [2019-11-25 08:52:29,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:29,691 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996045114] [2019-11-25 08:52:29,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:29,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-25 08:52:29,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431564933] [2019-11-25 08:52:29,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:29,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:29,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:29,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:29,694 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-11-25 08:52:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:29,709 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-25 08:52:29,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:29,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-25 08:52:29,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:29,710 INFO L225 Difference]: With dead ends: 10 [2019-11-25 08:52:29,710 INFO L226 Difference]: Without dead ends: 9 [2019-11-25 08:52:29,711 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 [2019-11-25 08:52:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-25 08:52:29,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-25 08:52:29,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-25 08:52:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-25 08:52:29,713 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2019-11-25 08:52:29,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:29,713 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-25 08:52:29,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:29,714 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-25 08:52:29,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-25 08:52:29,714 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:29,714 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-25 08:52:29,714 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-25 08:52:29,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:29,715 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-11-25 08:52:29,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:29,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421705192] [2019-11-25 08:52:29,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:29,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421705192] [2019-11-25 08:52:29,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:29,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:29,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547066694] [2019-11-25 08:52:29,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:29,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:29,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:29,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:29,740 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2019-11-25 08:52:29,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:29,764 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-25 08:52:29,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:29,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-25 08:52:29,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:29,766 INFO L225 Difference]: With dead ends: 10 [2019-11-25 08:52:29,766 INFO L226 Difference]: Without dead ends: 9 [2019-11-25 08:52:29,766 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 [2019-11-25 08:52:29,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-25 08:52:29,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-25 08:52:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-25 08:52:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-11-25 08:52:29,773 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2019-11-25 08:52:29,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:29,773 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-11-25 08:52:29,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-25 08:52:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-25 08:52:29,775 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:52:29,775 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-25 08:52:29,775 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-25 08:52:29,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:52:29,775 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-11-25 08:52:29,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:52:29,776 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146661318] [2019-11-25 08:52:29,776 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:52:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:52:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:52:29,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146661318] [2019-11-25 08:52:29,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:52:29,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:52:29,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164342794] [2019-11-25 08:52:29,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-25 08:52:29,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:52:29,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-25 08:52:29,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-25 08:52:29,795 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-11-25 08:52:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:52:29,815 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-11-25 08:52:29,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-25 08:52:29,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-25 08:52:29,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:52:29,817 INFO L225 Difference]: With dead ends: 8 [2019-11-25 08:52:29,817 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:52:29,817 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 [2019-11-25 08:52:29,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:52:29,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:52:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:52:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:52:29,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-25 08:52:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:52:29,819 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:52:29,819 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-25 08:52:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:52:29,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:52:29,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:52:29,845 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-25 08:52:29,845 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:52:29,845 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-25 08:52:29,845 INFO L444 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2019-11-25 08:52:29,845 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-25 08:52:29,845 INFO L444 ceAbstractionStarter]: For program point L19(lines 19 24) no Hoare annotation was computed. [2019-11-25 08:52:29,846 INFO L440 ceAbstractionStarter]: At program point L19-2(lines 18 25) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-11-25 08:52:29,846 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2019-11-25 08:52:29,846 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2019-11-25 08:52:29,847 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:52:29,847 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:52:29,847 INFO L440 ceAbstractionStarter]: At program point L26(lines 14 27) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2019-11-25 08:52:29,847 INFO L444 ceAbstractionStarter]: For program point L20(line 20) no Hoare annotation was computed. [2019-11-25 08:52:29,847 INFO L444 ceAbstractionStarter]: For program point L20-1(line 20) no Hoare annotation was computed. [2019-11-25 08:52:29,847 INFO L444 ceAbstractionStarter]: For program point L18-2(lines 18 25) no Hoare annotation was computed. [2019-11-25 08:52:29,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:52:29 BoogieIcfgContainer [2019-11-25 08:52:29,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:52:29,861 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:52:29,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:52:29,861 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:52:29,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:52:29" (3/4) ... [2019-11-25 08:52:29,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:52:29,875 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-25 08:52:29,876 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:52:29,917 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f41ef974-df2b-441a-84a0-866667e1d056/bin/uautomizer/witness.graphml [2019-11-25 08:52:29,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:52:29,919 INFO L168 Benchmark]: Toolchain (without parser) took 1207.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -165.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:29,919 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:29,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:29,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:29,921 INFO L168 Benchmark]: Boogie Preprocessor took 22.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:29,921 INFO L168 Benchmark]: RCFGBuilder took 239.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:29,922 INFO L168 Benchmark]: TraceAbstraction took 548.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:52:29,922 INFO L168 Benchmark]: Witness Printer took 56.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:52:29,924 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 183.0 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 239.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 548.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: y <= 2147483647 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Result: SAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 29 SDtfs, 20 SDslu, 2 SDs, 0 SdLazy, 19 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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...