./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Parallel.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Parallel.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/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 fa16f28cdab01c0d49bf2bd46e148912a30ce280 ............................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:35:08,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:35:08,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:35:08,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:35:08,215 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:35:08,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:35:08,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:35:08,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:35:08,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:35:08,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:35:08,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:35:08,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:35:08,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:35:08,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:35:08,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:35:08,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:35:08,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:35:08,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:35:08,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:35:08,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:35:08,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:35:08,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:35:08,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:35:08,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:35:08,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:35:08,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:35:08,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:35:08,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:35:08,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:35:08,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:35:08,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:35:08,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:35:08,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:35:08,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:35:08,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:35:08,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:35:08,271 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:35:08,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:35:08,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:35:08,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:35:08,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:35:08,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-16 00:35:08,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:35:08,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:35:08,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:35:08,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:35:08,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:35:08,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:35:08,311 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-16 00:35:08,311 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:35:08,311 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:35:08,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:35:08,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:35:08,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:35:08,312 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-16 00:35:08,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:35:08,313 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:35:08,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:35:08,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:35:08,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:35:08,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:35:08,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:35:08,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:35:08,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:35:08,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:35:08,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:35:08,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:35:08,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:35:08,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:35:08,317 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_f1360ebd-17ce-4581-a892-92a412d0b9f4/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 -> fa16f28cdab01c0d49bf2bd46e148912a30ce280 [2019-11-16 00:35:08,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:35:08,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:35:08,370 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:35:08,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:35:08,372 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:35:08,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Parallel.c [2019-11-16 00:35:08,437 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/data/65c1add05/88c7eacb59d84d94aa326a2e223d265a/FLAG263900c72 [2019-11-16 00:35:08,826 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:35:08,827 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/sv-benchmarks/c/termination-crafted/Parallel.c [2019-11-16 00:35:08,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/data/65c1add05/88c7eacb59d84d94aa326a2e223d265a/FLAG263900c72 [2019-11-16 00:35:09,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/data/65c1add05/88c7eacb59d84d94aa326a2e223d265a [2019-11-16 00:35:09,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:35:09,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:35:09,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:35:09,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:35:09,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:35:09,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458dbaf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09, skipping insertion in model container [2019-11-16 00:35:09,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,279 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:35:09,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:35:09,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:35:09,576 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:35:09,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:35:09,607 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:35:09,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09 WrapperNode [2019-11-16 00:35:09,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:35:09,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:35:09,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:35:09,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:35:09,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:35:09,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:35:09,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:35:09,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:35:09,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... [2019-11-16 00:35:09,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:35:09,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:35:09,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:35:09,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:35:09,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/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 [2019-11-16 00:35:09,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:35:09,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:35:09,941 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:35:09,941 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-16 00:35:09,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:09 BoogieIcfgContainer [2019-11-16 00:35:09,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:35:09,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:35:09,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:35:09,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:35:09,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:35:09" (1/3) ... [2019-11-16 00:35:09,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e379908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:35:09, skipping insertion in model container [2019-11-16 00:35:09,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:35:09" (2/3) ... [2019-11-16 00:35:09,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e379908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:35:09, skipping insertion in model container [2019-11-16 00:35:09,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:09" (3/3) ... [2019-11-16 00:35:09,951 INFO L109 eAbstractionObserver]: Analyzing ICFG Parallel.c [2019-11-16 00:35:09,961 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:35:09,967 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-11-16 00:35:09,979 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-11-16 00:35:10,000 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:35:10,000 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:35:10,000 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:35:10,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:35:10,000 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:35:10,001 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:35:10,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:35:10,001 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:35:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2019-11-16 00:35:10,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-16 00:35:10,018 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:10,019 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-16 00:35:10,020 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:35:10,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,026 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2019-11-16 00:35:10,034 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,035 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190090855] [2019-11-16 00:35:10,035 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,035 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:10,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:10,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:10,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190090855] [2019-11-16 00:35:10,159 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:10,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-16 00:35:10,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076391140] [2019-11-16 00:35:10,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:35:10,164 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:35:10,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:35:10,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:35:10,187 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2019-11-16 00:35:10,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:10,230 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-11-16 00:35:10,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:35:10,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-16 00:35:10,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:10,240 INFO L225 Difference]: With dead ends: 19 [2019-11-16 00:35:10,241 INFO L226 Difference]: Without dead ends: 10 [2019-11-16 00:35:10,243 INFO L600 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 [2019-11-16 00:35:10,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2019-11-16 00:35:10,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2019-11-16 00:35:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-16 00:35:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2019-11-16 00:35:10,278 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2019-11-16 00:35:10,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:10,280 INFO L462 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2019-11-16 00:35:10,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:35:10,280 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-11-16 00:35:10,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-16 00:35:10,282 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:10,282 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-16 00:35:10,282 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:35:10,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,283 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-11-16 00:35:10,283 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294597269] [2019-11-16 00:35:10,284 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,284 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:10,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294597269] [2019-11-16 00:35:10,317 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:10,317 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-11-16 00:35:10,317 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454385446] [2019-11-16 00:35:10,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:35:10,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:35:10,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:35:10,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:35:10,319 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2019-11-16 00:35:10,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:10,340 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2019-11-16 00:35:10,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:35:10,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-11-16 00:35:10,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:10,341 INFO L225 Difference]: With dead ends: 10 [2019-11-16 00:35:10,342 INFO L226 Difference]: Without dead ends: 9 [2019-11-16 00:35:10,342 INFO L600 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 [2019-11-16 00:35:10,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-16 00:35:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-16 00:35:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-16 00:35:10,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-16 00:35:10,344 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2019-11-16 00:35:10,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:10,344 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-16 00:35:10,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:35:10,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-16 00:35:10,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-16 00:35:10,345 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:10,345 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-16 00:35:10,345 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:35:10,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,346 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2019-11-16 00:35:10,346 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666669014] [2019-11-16 00:35:10,346 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,346 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,346 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:10,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:10,403 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666669014] [2019-11-16 00:35:10,403 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:10,403 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:35:10,403 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453836783] [2019-11-16 00:35:10,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:35:10,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:35:10,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:35:10,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:35:10,404 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 4 states. [2019-11-16 00:35:10,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:10,432 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2019-11-16 00:35:10,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:35:10,433 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-16 00:35:10,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:10,433 INFO L225 Difference]: With dead ends: 9 [2019-11-16 00:35:10,433 INFO L226 Difference]: Without dead ends: 8 [2019-11-16 00:35:10,434 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:35:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2019-11-16 00:35:10,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2019-11-16 00:35:10,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-16 00:35:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2019-11-16 00:35:10,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2019-11-16 00:35:10,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:10,437 INFO L462 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2019-11-16 00:35:10,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:35:10,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2019-11-16 00:35:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-16 00:35:10,438 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:35:10,438 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-16 00:35:10,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-16 00:35:10,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:35:10,439 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-11-16 00:35:10,439 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:35:10,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334456907] [2019-11-16 00:35:10,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,439 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:35:10,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:35:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:35:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:35:10,459 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334456907] [2019-11-16 00:35:10,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:35:10,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-16 00:35:10,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568386234] [2019-11-16 00:35:10,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:35:10,461 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:35:10,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:35:10,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-16 00:35:10,461 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2019-11-16 00:35:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:35:10,474 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2019-11-16 00:35:10,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:35:10,474 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-11-16 00:35:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:35:10,475 INFO L225 Difference]: With dead ends: 8 [2019-11-16 00:35:10,475 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:35:10,475 INFO L600 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 [2019-11-16 00:35:10,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:35:10,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:35:10,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:35:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:35:10,476 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-16 00:35:10,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:35:10,476 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:35:10,477 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:35:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:35:10,477 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:35:10,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:35:10,519 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L439 ceAbstractionStarter]: At program point L29(lines 17 30) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point L23(lines 23 27) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L439 ceAbstractionStarter]: At program point L23-2(lines 22 28) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point L26(line 26) no Hoare annotation was computed. [2019-11-16 00:35:10,520 INFO L443 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2019-11-16 00:35:10,521 INFO L443 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2019-11-16 00:35:10,521 INFO L443 ceAbstractionStarter]: For program point L24-1(line 24) no Hoare annotation was computed. [2019-11-16 00:35:10,521 INFO L443 ceAbstractionStarter]: For program point L22-2(lines 22 28) no Hoare annotation was computed. [2019-11-16 00:35:10,521 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2019-11-16 00:35:10,521 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2019-11-16 00:35:10,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:35:10 BoogieIcfgContainer [2019-11-16 00:35:10,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:35:10,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:35:10,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:35:10,533 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:35:10,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:35:09" (3/4) ... [2019-11-16 00:35:10,537 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:35:10,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-16 00:35:10,546 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:35:10,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f1360ebd-17ce-4581-a892-92a412d0b9f4/bin/uautomizer/witness.graphml [2019-11-16 00:35:10,587 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:35:10,589 INFO L168 Benchmark]: Toolchain (without parser) took 1325.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -117.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:10,589 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:35:10,590 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:10,591 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.61 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. [2019-11-16 00:35:10,591 INFO L168 Benchmark]: Boogie Preprocessor took 18.81 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. [2019-11-16 00:35:10,592 INFO L168 Benchmark]: RCFGBuilder took 283.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:10,593 INFO L168 Benchmark]: TraceAbstraction took 588.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:10,593 INFO L168 Benchmark]: Witness Printer took 54.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-16 00:35:10,596 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 342.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.61 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. * Boogie Preprocessor took 18.81 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. * RCFGBuilder took 283.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 588.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 54.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 22 SDtfs, 22 SDslu, 2 SDs, 0 SdLazy, 30 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 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...