./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/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 263033368f66896d5c79f69cd87eb218f4523caf ............................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-11-10 11:27:11,366 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:27:11,367 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:27:11,374 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:27:11,374 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:27:11,375 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:27:11,376 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:27:11,377 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:27:11,378 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:27:11,378 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:27:11,379 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:27:11,379 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:27:11,380 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:27:11,380 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:27:11,381 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:27:11,382 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:27:11,382 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:27:11,383 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:27:11,385 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:27:11,386 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:27:11,386 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:27:11,387 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:27:11,389 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:27:11,389 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:27:11,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:27:11,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:27:11,390 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:27:11,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:27:11,391 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:27:11,392 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:27:11,392 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:27:11,393 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:27:11,393 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:27:11,393 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:27:11,394 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:27:11,394 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:27:11,395 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 11:27:11,404 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:27:11,405 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:27:11,405 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:27:11,405 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:27:11,406 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:27:11,406 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:27:11,406 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:27:11,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:27:11,406 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:27:11,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:27:11,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:27:11,408 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:27:11,408 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:27:11,408 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:27:11,408 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:27:11,408 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:27:11,408 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:27:11,408 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:27:11,409 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:27:11,409 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:27:11,409 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:27:11,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:27:11,409 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/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 -> 263033368f66896d5c79f69cd87eb218f4523caf [2018-11-10 11:27:11,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:27:11,438 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:27:11,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:27:11,441 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:27:11,441 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:27:11,442 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2018-11-10 11:27:11,478 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/data/08813c9d2/04d44149d40b4ae780c2ee4c227bff46/FLAG81d5ad2e1 [2018-11-10 11:27:11,870 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:27:11,870 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2018-11-10 11:27:11,874 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/data/08813c9d2/04d44149d40b4ae780c2ee4c227bff46/FLAG81d5ad2e1 [2018-11-10 11:27:11,882 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/data/08813c9d2/04d44149d40b4ae780c2ee4c227bff46 [2018-11-10 11:27:11,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:27:11,886 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 11:27:11,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:27:11,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:27:11,889 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:27:11,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:27:11" (1/1) ... [2018-11-10 11:27:11,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:11, skipping insertion in model container [2018-11-10 11:27:11,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:27:11" (1/1) ... [2018-11-10 11:27:11,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:27:11,907 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:27:11,996 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:27:11,998 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:27:12,006 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:27:12,014 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:27:12,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12 WrapperNode [2018-11-10 11:27:12,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:27:12,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:27:12,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:27:12,015 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:27:12,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,026 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... [2018-11-10 11:27:12,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:27:12,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:27:12,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:27:12,033 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:27:12,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/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 [2018-11-10 11:27:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:27:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:27:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:27:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 11:27:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:27:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:27:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:27:12,235 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:27:12,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:27:12 BoogieIcfgContainer [2018-11-10 11:27:12,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:27:12,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:27:12,236 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:27:12,238 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:27:12,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:27:11" (1/3) ... [2018-11-10 11:27:12,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af63766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:27:12, skipping insertion in model container [2018-11-10 11:27:12,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:27:12" (2/3) ... [2018-11-10 11:27:12,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af63766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:27:12, skipping insertion in model container [2018-11-10 11:27:12,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:27:12" (3/3) ... [2018-11-10 11:27:12,241 INFO L112 eAbstractionObserver]: Analyzing ICFG ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2018-11-10 11:27:12,249 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:27:12,255 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 11:27:12,267 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 11:27:12,287 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:27:12,287 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:27:12,287 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:27:12,287 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:27:12,287 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:27:12,287 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:27:12,288 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:27:12,288 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:27:12,288 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:27:12,300 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-10 11:27:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:27:12,303 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:27:12,304 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:27:12,305 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:27:12,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:27:12,309 INFO L82 PathProgramCache]: Analyzing trace with hash 604672971, now seen corresponding path program 1 times [2018-11-10 11:27:12,311 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:27:12,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:27:12,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:27:12,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:27:12,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:27:12,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:27:12,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:27:12,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:27:12,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:27:12,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:27:12,435 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-11-10 11:27:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:27:12,463 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2018-11-10 11:27:12,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:27:12,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 11:27:12,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:27:12,470 INFO L225 Difference]: With dead ends: 30 [2018-11-10 11:27:12,470 INFO L226 Difference]: Without dead ends: 16 [2018-11-10 11:27:12,472 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:27:12,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-10 11:27:12,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2018-11-10 11:27:12,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 11:27:12,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-10 11:27:12,495 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2018-11-10 11:27:12,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:27:12,495 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-10 11:27:12,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:27:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-10 11:27:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 11:27:12,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:27:12,496 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:27:12,496 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:27:12,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:27:12,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1564992965, now seen corresponding path program 1 times [2018-11-10 11:27:12,497 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:27:12,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:27:12,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:27:12,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:27:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:27:12,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:27:12,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:27:12,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 11:27:12,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 11:27:12,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:27:12,530 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2018-11-10 11:27:12,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:27:12,555 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-11-10 11:27:12,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 11:27:12,556 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-10 11:27:12,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:27:12,557 INFO L225 Difference]: With dead ends: 25 [2018-11-10 11:27:12,557 INFO L226 Difference]: Without dead ends: 24 [2018-11-10 11:27:12,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 11:27:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-10 11:27:12,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2018-11-10 11:27:12,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 11:27:12,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-11-10 11:27:12,562 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2018-11-10 11:27:12,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:27:12,562 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-11-10 11:27:12,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 11:27:12,562 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-10 11:27:12,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 11:27:12,563 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:27:12,563 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:27:12,563 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:27:12,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:27:12,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1270141709, now seen corresponding path program 1 times [2018-11-10 11:27:12,564 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:27:12,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:27:12,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:27:12,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:27:12,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:27:12,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:27:12,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:27:12,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:27:12,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:27:12,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:27:12,592 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2018-11-10 11:27:12,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:27:12,602 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-11-10 11:27:12,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:27:12,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 11:27:12,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:27:12,603 INFO L225 Difference]: With dead ends: 18 [2018-11-10 11:27:12,603 INFO L226 Difference]: Without dead ends: 17 [2018-11-10 11:27:12,603 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:27:12,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-10 11:27:12,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-10 11:27:12,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-10 11:27:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-10 11:27:12,605 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2018-11-10 11:27:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:27:12,606 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-10 11:27:12,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:27:12,606 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-10 11:27:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:27:12,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:27:12,606 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:27:12,606 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 11:27:12,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:27:12,606 INFO L82 PathProgramCache]: Analyzing trace with hash 719687367, now seen corresponding path program 1 times [2018-11-10 11:27:12,607 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:27:12,607 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:27:12,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:27:12,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:27:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:27:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:27:12,633 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 11:27:12,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:27:12 BoogieIcfgContainer [2018-11-10 11:27:12,647 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:27:12,648 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:27:12,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:27:12,648 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:27:12,648 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:27:12" (3/4) ... [2018-11-10 11:27:12,650 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 11:27:12,673 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c73b25dd-b642-4c77-ad62-5ea32b0fb222/bin-2019/uautomizer/witness.graphml [2018-11-10 11:27:12,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:27:12,674 INFO L168 Benchmark]: Toolchain (without parser) took 788.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:27:12,675 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:27:12,675 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.41 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:27:12,675 INFO L168 Benchmark]: Boogie Preprocessor took 17.87 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:27:12,676 INFO L168 Benchmark]: RCFGBuilder took 202.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:27:12,676 INFO L168 Benchmark]: TraceAbstraction took 411.83 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:27:12,677 INFO L168 Benchmark]: Witness Printer took 25.65 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. [2018-11-10 11:27:12,678 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.41 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.87 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -200.4 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 411.83 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Witness Printer took 25.65 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 4 error locations. UNSAFE Result, 0.3s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 20 SDslu, 34 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 426 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...