./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 ebb74e337af9534aacfcb2a7a413bdbed21e04b2 ...................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:52:03,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:52:03,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:52:03,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:52:03,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:52:03,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:52:03,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:52:03,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:52:03,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:52:03,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:52:03,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:52:03,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:52:03,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:52:03,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:52:03,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:52:03,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:52:03,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:52:03,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:52:03,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:52:03,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:52:03,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:52:03,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:52:03,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:52:03,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:52:03,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:52:03,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:52:03,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:52:03,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:52:03,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:52:03,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:52:03,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:52:03,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:52:03,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:52:03,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:52:03,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:52:03,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:52:03,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:52:03,548 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:52:03,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:52:03,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:52:03,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:52:03,552 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-28 02:52:03,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:52:03,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:52:03,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:52:03,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:52:03,590 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:52:03,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:52:03,591 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:52:03,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:52:03,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:52:03,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 02:52:03,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:52:03,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 02:52:03,592 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 02:52:03,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:52:03,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:52:03,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 02:52:03,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:52:03,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:52:03,594 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:52:03,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:52:03,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:52:03,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:52:03,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:52:03,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 02:52:03,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:52:03,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:52:03,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 02:52:03,597 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> ebb74e337af9534aacfcb2a7a413bdbed21e04b2 [2019-11-28 02:52:03,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:52:03,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:52:03,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:52:03,924 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:52:03,924 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:52:03,925 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2019-11-28 02:52:04,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc5d1fcc/76552f0ca5b94b9194602ccf82104717/FLAGf74529db9 [2019-11-28 02:52:04,433 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:52:04,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2019-11-28 02:52:04,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc5d1fcc/76552f0ca5b94b9194602ccf82104717/FLAGf74529db9 [2019-11-28 02:52:04,860 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc5d1fcc/76552f0ca5b94b9194602ccf82104717 [2019-11-28 02:52:04,864 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:52:04,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:52:04,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:52:04,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:52:04,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:52:04,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:04" (1/1) ... [2019-11-28 02:52:04,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2418dfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:04, skipping insertion in model container [2019-11-28 02:52:04,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:52:04" (1/1) ... [2019-11-28 02:52:04,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:52:04,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:52:05,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:52:05,070 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:52:05,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:52:05,093 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:52:05,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05 WrapperNode [2019-11-28 02:52:05,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:52:05,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:52:05,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:52:05,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:52:05,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:52:05,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:52:05,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:52:05,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:52:05,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... [2019-11-28 02:52:05,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:52:05,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:52:05,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:52:05,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:52:05,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 02:52:05,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:52:05,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:52:05,426 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:52:05,427 INFO L297 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 02:52:05,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:05 BoogieIcfgContainer [2019-11-28 02:52:05,428 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:52:05,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:52:05,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:52:05,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:52:05,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:52:04" (1/3) ... [2019-11-28 02:52:05,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b031e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:05, skipping insertion in model container [2019-11-28 02:52:05,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:52:05" (2/3) ... [2019-11-28 02:52:05,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b031e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:52:05, skipping insertion in model container [2019-11-28 02:52:05,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:05" (3/3) ... [2019-11-28 02:52:05,460 INFO L109 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1.c [2019-11-28 02:52:05,487 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:52:05,497 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2019-11-28 02:52:05,522 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-11-28 02:52:05,552 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:52:05,552 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 02:52:05,552 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:52:05,552 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:52:05,552 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:52:05,553 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:52:05,553 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:52:05,553 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:52:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-11-28 02:52:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 02:52:05,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:52:05,573 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 02:52:05,573 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:05,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:05,578 INFO L82 PathProgramCache]: Analyzing trace with hash 963659, now seen corresponding path program 1 times [2019-11-28 02:52:05,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:05,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654834750] [2019-11-28 02:52:05,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:52:05,724 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654834750] [2019-11-28 02:52:05,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:52:05,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:52:05,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663017259] [2019-11-28 02:52:05,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:52:05,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:52:05,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:52:05,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:52:05,743 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 4 states. [2019-11-28 02:52:05,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:52:05,907 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2019-11-28 02:52:05,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:52:05,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-28 02:52:05,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:52:05,917 INFO L225 Difference]: With dead ends: 45 [2019-11-28 02:52:05,917 INFO L226 Difference]: Without dead ends: 31 [2019-11-28 02:52:05,921 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:52:05,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-28 02:52:05,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 17. [2019-11-28 02:52:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-11-28 02:52:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2019-11-28 02:52:05,952 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 4 [2019-11-28 02:52:05,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:52:05,952 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2019-11-28 02:52:05,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:52:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2019-11-28 02:52:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-28 02:52:05,953 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:52:05,953 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-28 02:52:05,954 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:05,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:05,954 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2019-11-28 02:52:05,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:05,955 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703553495] [2019-11-28 02:52:05,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:05,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:52:05,990 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703553495] [2019-11-28 02:52:05,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:52:05,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:52:05,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416995960] [2019-11-28 02:52:05,995 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:52:05,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:52:05,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:52:05,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:52:05,996 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2019-11-28 02:52:06,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:52:06,101 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2019-11-28 02:52:06,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 02:52:06,102 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-28 02:52:06,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:52:06,103 INFO L225 Difference]: With dead ends: 31 [2019-11-28 02:52:06,103 INFO L226 Difference]: Without dead ends: 29 [2019-11-28 02:52:06,105 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:52:06,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2019-11-28 02:52:06,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 15. [2019-11-28 02:52:06,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 02:52:06,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-11-28 02:52:06,112 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 4 [2019-11-28 02:52:06,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:52:06,113 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-11-28 02:52:06,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:52:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-11-28 02:52:06,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 02:52:06,114 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:52:06,114 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 02:52:06,117 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:06,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:06,117 INFO L82 PathProgramCache]: Analyzing trace with hash 29873486, now seen corresponding path program 1 times [2019-11-28 02:52:06,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:06,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933634392] [2019-11-28 02:52:06,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:52:06,162 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933634392] [2019-11-28 02:52:06,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:52:06,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:52:06,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601256718] [2019-11-28 02:52:06,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:52:06,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:52:06,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:52:06,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:52:06,164 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 4 states. [2019-11-28 02:52:06,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:52:06,213 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2019-11-28 02:52:06,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:52:06,214 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-28 02:52:06,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:52:06,216 INFO L225 Difference]: With dead ends: 15 [2019-11-28 02:52:06,216 INFO L226 Difference]: Without dead ends: 13 [2019-11-28 02:52:06,217 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:52:06,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-28 02:52:06,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-28 02:52:06,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 02:52:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2019-11-28 02:52:06,223 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 5 [2019-11-28 02:52:06,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:52:06,223 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2019-11-28 02:52:06,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:52:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2019-11-28 02:52:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-28 02:52:06,224 INFO L402 BasicCegarLoop]: Found error trace [2019-11-28 02:52:06,225 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-11-28 02:52:06,225 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-11-28 02:52:06,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:52:06,226 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2019-11-28 02:52:06,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:52:06,226 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453035128] [2019-11-28 02:52:06,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:52:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:52:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 02:52:06,277 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453035128] [2019-11-28 02:52:06,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 02:52:06,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 02:52:06,278 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142353022] [2019-11-28 02:52:06,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-28 02:52:06,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 02:52:06,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 02:52:06,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-28 02:52:06,280 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 4 states. [2019-11-28 02:52:06,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 02:52:06,308 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2019-11-28 02:52:06,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 02:52:06,308 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-11-28 02:52:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-28 02:52:06,309 INFO L225 Difference]: With dead ends: 13 [2019-11-28 02:52:06,309 INFO L226 Difference]: Without dead ends: 0 [2019-11-28 02:52:06,310 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-28 02:52:06,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-28 02:52:06,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-28 02:52:06,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-28 02:52:06,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 02:52:06,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2019-11-28 02:52:06,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-28 02:52:06,311 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:52:06,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-28 02:52:06,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:52:06,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:52:06,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-28 02:52:06,360 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,360 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 02:52:06,360 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,360 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L21(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L21-1(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L19(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L21-2(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L19-1(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L21-3(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,361 INFO L246 CegarLoopResult]: For program point L19-2(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,362 INFO L246 CegarLoopResult]: For program point L19-3(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,362 INFO L246 CegarLoopResult]: For program point L17-2(lines 17 23) no Hoare annotation was computed. [2019-11-28 02:52:06,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2019-11-28 02:52:06,362 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 02:52:06,363 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,363 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 02:52:06,363 INFO L242 CegarLoopResult]: At program point L24(lines 13 25) the Hoare annotation is: (<= ULTIMATE.start_main_~q~0 2147483647) [2019-11-28 02:52:06,363 INFO L246 CegarLoopResult]: For program point L18(lines 18 22) no Hoare annotation was computed. [2019-11-28 02:52:06,364 INFO L242 CegarLoopResult]: At program point L18-2(lines 17 23) the Hoare annotation is: (and (<= 0 (+ ULTIMATE.start_main_~y~0 2147483648)) (<= ULTIMATE.start_main_~y~0 2147483647) (<= ULTIMATE.start_main_~q~0 2147483647)) [2019-11-28 02:52:06,364 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2019-11-28 02:52:06,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:52:06 BoogieIcfgContainer [2019-11-28 02:52:06,386 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:52:06,387 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:52:06,387 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:52:06,387 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:52:06,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:52:05" (3/4) ... [2019-11-28 02:52:06,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:52:06,406 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 02:52:06,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 02:52:06,465 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:52:06,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:52:06,467 INFO L168 Benchmark]: Toolchain (without parser) took 1601.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 42.6 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:06,468 INFO L168 Benchmark]: CDTParser took 1.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:52:06,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.10 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:06,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:06,470 INFO L168 Benchmark]: Boogie Preprocessor took 18.39 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:06,471 INFO L168 Benchmark]: RCFGBuilder took 234.31 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: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:06,472 INFO L168 Benchmark]: TraceAbstraction took 946.49 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:52:06,472 INFO L168 Benchmark]: Witness Printer took 78.18 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. [2019-11-28 02:52:06,476 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.10 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.39 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 234.31 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: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 946.49 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: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * Witness Printer took 78.18 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: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (0 <= y + 2147483648 && y <= 2147483647) && q <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: q <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 8 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 104 SDslu, 3 SDs, 0 SdLazy, 115 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 15 HoareAnnotationTreeSize, 2 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 16 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, 230 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...