./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate_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_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/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 2227825b094336cea9cd81768b48348a309a725b ............................................................................................................................................................................................................................................................................................................................................... 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 12:27:44,644 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:27:44,645 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:27:44,652 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:27:44,652 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:27:44,652 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:27:44,653 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:27:44,654 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:27:44,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:27:44,656 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:27:44,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:27:44,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:27:44,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:27:44,658 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:27:44,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:27:44,659 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:27:44,659 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:27:44,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:27:44,662 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:27:44,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:27:44,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:27:44,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:27:44,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:27:44,666 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:27:44,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:27:44,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:27:44,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:27:44,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:27:44,669 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:27:44,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:27:44,670 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:27:44,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:27:44,670 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:27:44,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:27:44,672 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:27:44,672 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:27:44,672 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-10 12:27:44,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:27:44,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:27:44,680 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:27:44,680 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:27:44,680 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:27:44,681 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:27:44,681 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:27:44,681 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:27:44,681 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:27:44,681 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:27:44,681 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:27:44,681 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:27:44,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:27:44,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:27:44,682 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 12:27:44,682 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:27:44,682 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:27:44,682 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:27:44,682 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:27:44,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:27:44,683 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:27:44,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:27:44,684 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_d240fdef-7f5a-4f29-9727-54fe2cf70845/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 -> 2227825b094336cea9cd81768b48348a309a725b [2018-11-10 12:27:44,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:27:44,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:27:44,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:27:44,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:27:44,721 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:27:44,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c [2018-11-10 12:27:44,771 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/data/f8d59bdf7/e36a658eaf23425cb4468f16f5189c68/FLAG0b8436035 [2018-11-10 12:27:45,162 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:27:45,163 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c [2018-11-10 12:27:45,166 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/data/f8d59bdf7/e36a658eaf23425cb4468f16f5189c68/FLAG0b8436035 [2018-11-10 12:27:45,176 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/data/f8d59bdf7/e36a658eaf23425cb4468f16f5189c68 [2018-11-10 12:27:45,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:27:45,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:27:45,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:27:45,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:27:45,183 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:27:45,184 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32089edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45, skipping insertion in model container [2018-11-10 12:27:45,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:27:45,202 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:27:45,299 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:27:45,301 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:27:45,310 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:27:45,319 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:27:45,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45 WrapperNode [2018-11-10 12:27:45,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:27:45,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:27:45,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:27:45,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:27:45,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... [2018-11-10 12:27:45,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:27:45,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:27:45,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:27:45,338 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:27:45,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/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 12:27:45,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:27:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:27:45,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:27:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-10 12:27:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:27:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:27:45,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:27:45,513 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:27:45,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:27:45 BoogieIcfgContainer [2018-11-10 12:27:45,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:27:45,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:27:45,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:27:45,517 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:27:45,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:27:45" (1/3) ... [2018-11-10 12:27:45,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f5b2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:27:45, skipping insertion in model container [2018-11-10 12:27:45,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:27:45" (2/3) ... [2018-11-10 12:27:45,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f5b2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:27:45, skipping insertion in model container [2018-11-10 12:27:45,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:27:45" (3/3) ... [2018-11-10 12:27:45,520 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c [2018-11-10 12:27:45,525 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:27:45,529 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 12:27:45,538 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 12:27:45,556 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:27:45,557 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:27:45,557 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:27:45,557 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:27:45,557 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:27:45,557 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:27:45,557 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:27:45,557 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:27:45,558 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:27:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-10 12:27:45,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 12:27:45,577 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:27:45,577 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:27:45,579 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:27:45,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:27:45,584 INFO L82 PathProgramCache]: Analyzing trace with hash 604672971, now seen corresponding path program 1 times [2018-11-10 12:27:45,586 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:27:45,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:27:45,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:27:45,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:27:45,692 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 12:27:45,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:27:45,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:27:45,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:27:45,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:27:45,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:27:45,706 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-11-10 12:27:45,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:27:45,731 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2018-11-10 12:27:45,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:27:45,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 12:27:45,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:27:45,738 INFO L225 Difference]: With dead ends: 30 [2018-11-10 12:27:45,738 INFO L226 Difference]: Without dead ends: 16 [2018-11-10 12:27:45,741 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 12:27:45,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-10 12:27:45,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2018-11-10 12:27:45,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-10 12:27:45,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-10 12:27:45,769 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2018-11-10 12:27:45,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:27:45,770 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-10 12:27:45,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:27:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-10 12:27:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 12:27:45,771 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:27:45,771 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:27:45,771 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:27:45,771 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:27:45,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1564992965, now seen corresponding path program 1 times [2018-11-10 12:27:45,772 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:27:45,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:27:45,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:27:45,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:27:45,806 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 12:27:45,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:27:45,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:27:45,807 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 12:27:45,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 12:27:45,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 12:27:45,808 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2018-11-10 12:27:45,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:27:45,842 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-11-10 12:27:45,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 12:27:45,842 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-10 12:27:45,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:27:45,843 INFO L225 Difference]: With dead ends: 25 [2018-11-10 12:27:45,843 INFO L226 Difference]: Without dead ends: 24 [2018-11-10 12:27:45,843 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 12:27:45,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-10 12:27:45,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2018-11-10 12:27:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-10 12:27:45,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-11-10 12:27:45,847 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2018-11-10 12:27:45,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:27:45,847 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-11-10 12:27:45,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 12:27:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-10 12:27:45,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 12:27:45,847 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:27:45,847 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:27:45,848 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:27:45,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:27:45,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1270141709, now seen corresponding path program 1 times [2018-11-10 12:27:45,848 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:27:45,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:27:45,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:27:45,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:27:45,878 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 12:27:45,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:27:45,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:27:45,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:27:45,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:27:45,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:27:45,880 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2018-11-10 12:27:45,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:27:45,892 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-11-10 12:27:45,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:27:45,892 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-10 12:27:45,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:27:45,893 INFO L225 Difference]: With dead ends: 18 [2018-11-10 12:27:45,893 INFO L226 Difference]: Without dead ends: 17 [2018-11-10 12:27:45,893 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 12:27:45,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-10 12:27:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-10 12:27:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-10 12:27:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-10 12:27:45,895 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2018-11-10 12:27:45,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:27:45,896 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-10 12:27:45,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:27:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-10 12:27:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:27:45,896 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:27:45,896 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:27:45,896 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 12:27:45,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:27:45,897 INFO L82 PathProgramCache]: Analyzing trace with hash 719687367, now seen corresponding path program 1 times [2018-11-10 12:27:45,897 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:27:45,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:27:45,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:27:45,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:27:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:27:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:27:45,927 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 12:27:45,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:27:45 BoogieIcfgContainer [2018-11-10 12:27:45,943 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:27:45,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:27:45,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:27:45,943 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:27:45,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:27:45" (3/4) ... [2018-11-10 12:27:45,945 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 12:27:45,973 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d240fdef-7f5a-4f29-9727-54fe2cf70845/bin-2019/uautomizer/witness.graphml [2018-11-10 12:27:45,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:27:45,973 INFO L168 Benchmark]: Toolchain (without parser) took 794.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:45,974 INFO L168 Benchmark]: CDTParser took 0.18 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 12:27:45,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:45,975 INFO L168 Benchmark]: Boogie Preprocessor took 17.65 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:27:45,975 INFO L168 Benchmark]: RCFGBuilder took 176.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:45,976 INFO L168 Benchmark]: TraceAbstraction took 428.31 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:27:45,976 INFO L168 Benchmark]: Witness Printer took 29.94 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 12:27:45,978 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 139.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.65 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 176.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -185.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 428.31 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: 39.7 MB). Peak memory consumption was 39.7 MB. Max. memory is 11.5 GB. * Witness Printer took 29.94 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, k, ell; [L15] i = __VERIFIER_nondet_int() [L16] j = __VERIFIER_nondet_int() [L17] k = __VERIFIER_nondet_int() [L18] COND TRUE i <= 100 && j <= k [L19] ell = i [L20] i = j VAL [ell=0, i=-2147483648, j=-2147483648, k=-2147483648] [L21] EXPR ell + 1 [L21] j = ell + 1 VAL [ell=0, i=-2147483648, j=1, k=-2147483648] [L22] k - 1 VAL [ell=0, i=-2147483648, j=1, k=-2147483648] - 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...