./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1_false-no-overflow.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 955b266f1a44cd585b006f48fe033847136df099 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:06:56,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:06:56,360 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:06:56,373 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:06:56,375 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:06:56,376 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:06:56,378 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:06:56,382 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:06:56,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:06:56,387 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:06:56,388 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:06:56,388 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:06:56,389 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:06:56,391 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:06:56,392 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:06:56,393 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:06:56,394 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:06:56,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:06:56,398 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:06:56,400 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:06:56,401 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:06:56,403 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:06:56,406 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:06:56,410 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:06:56,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:06:56,411 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:06:56,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:06:56,420 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:06:56,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:06:56,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:06:56,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:06:56,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:06:56,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:06:56,426 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:06:56,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:06:56,429 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:06:56,429 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 23:06:56,459 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:06:56,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:06:56,460 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:06:56,461 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:06:56,461 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:06:56,461 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:06:56,463 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:06:56,463 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:06:56,464 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:06:56,464 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:06:56,464 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:06:56,464 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:06:56,464 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:06:56,464 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:06:56,466 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:06:56,466 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:06:56,466 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:06:56,466 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:06:56,467 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:06:56,467 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:06:56,467 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:06:56,467 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:06:56,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:06:56,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:06:56,470 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:06:56,470 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:06:56,470 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:06:56,470 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:06:56,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:06:56,471 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 955b266f1a44cd585b006f48fe033847136df099 [2018-11-28 23:06:56,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:06:56,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:06:56,534 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:06:56,536 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:06:56,536 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:06:56,537 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1_false-no-overflow.c [2018-11-28 23:06:56,605 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b13465009/5e7b2acdd26c4a6198aabc301a41e6bc/FLAGb41d975e5 [2018-11-28 23:06:57,071 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:06:57,072 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1_false-no-overflow.c [2018-11-28 23:06:57,080 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b13465009/5e7b2acdd26c4a6198aabc301a41e6bc/FLAGb41d975e5 [2018-11-28 23:06:57,411 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b13465009/5e7b2acdd26c4a6198aabc301a41e6bc [2018-11-28 23:06:57,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:06:57,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:06:57,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:06:57,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:06:57,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:06:57,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a828241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57, skipping insertion in model container [2018-11-28 23:06:57,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:06:57,455 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:06:57,686 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:06:57,692 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:06:57,723 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:06:57,741 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:06:57,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57 WrapperNode [2018-11-28 23:06:57,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:06:57,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:06:57,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:06:57,744 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:06:57,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:06:57,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:06:57,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:06:57,771 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:06:57,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (1/1) ... [2018-11-28 23:06:57,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:06:57,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:06:57,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:06:57,819 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:06:57,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (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 [2018-11-28 23:06:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:06:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:06:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:06:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:06:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:06:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:06:58,357 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:06:58,357 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 23:06:58,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:06:58 BoogieIcfgContainer [2018-11-28 23:06:58,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:06:58,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:06:58,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:06:58,362 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:06:58,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:06:57" (1/3) ... [2018-11-28 23:06:58,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2184277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:06:58, skipping insertion in model container [2018-11-28 23:06:58,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:06:57" (2/3) ... [2018-11-28 23:06:58,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2184277f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:06:58, skipping insertion in model container [2018-11-28 23:06:58,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:06:58" (3/3) ... [2018-11-28 23:06:58,365 INFO L112 eAbstractionObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-aaron1_false-no-overflow.c [2018-11-28 23:06:58,373 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:06:58,380 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-28 23:06:58,397 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-28 23:06:58,429 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:06:58,430 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:06:58,430 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:06:58,430 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:06:58,430 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:06:58,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:06:58,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:06:58,431 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:06:58,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:06:58,450 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-28 23:06:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 23:06:58,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:06:58,457 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:06:58,460 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:06:58,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:06:58,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1486620415, now seen corresponding path program 1 times [2018-11-28 23:06:58,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:06:58,469 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:06:58,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:06:58,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:06:58,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:06:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:06:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:06:58,592 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 23:06:58,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:06:58 BoogieIcfgContainer [2018-11-28 23:06:58,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:06:58,620 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:06:58,620 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:06:58,620 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:06:58,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:06:58" (3/4) ... [2018-11-28 23:06:58,624 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 23:06:58,676 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:06:58,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:06:58,677 INFO L168 Benchmark]: Toolchain (without parser) took 1261.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:06:58,679 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:06:58,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.52 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:06:58,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.05 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:06:58,681 INFO L168 Benchmark]: Boogie Preprocessor took 48.08 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:06:58,681 INFO L168 Benchmark]: RCFGBuilder took 539.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:06:58,682 INFO L168 Benchmark]: TraceAbstraction took 260.71 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:06:58,683 INFO L168 Benchmark]: Witness Printer took 56.27 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. [2018-11-28 23:06:58,688 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.52 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 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 27.05 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.08 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 539.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 260.71 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: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Witness Printer took 56.27 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: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, j, an, bn; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] an = __VERIFIER_nondet_int() [L18] bn = __VERIFIER_nondet_int() [L19] COND TRUE (an >= i && bn >= j) || (an >= i && bn <= j) || (an <= i && bn >= j) VAL [an=0, bn=2147483647, i=0, j=2147483647] [L20] COND TRUE an >= i && bn >= j [L21] COND TRUE __VERIFIER_nondet_int() != 0 [L22] j + 1 VAL [an=0, bn=2147483647, i=0, j=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 8 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...