./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/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_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/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 0.1.23-5842f4b [2018-11-18 09:49:26,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:49:26,155 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:49:26,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:49:26,197 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:49:26,198 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:49:26,199 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:49:26,200 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:49:26,201 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:49:26,202 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:49:26,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:49:26,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:49:26,204 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:49:26,204 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:49:26,205 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:49:26,206 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:49:26,206 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:49:26,207 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:49:26,209 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:49:26,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:49:26,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:49:26,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:49:26,233 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:49:26,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:49:26,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:49:26,234 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:49:26,235 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:49:26,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:49:26,236 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:49:26,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:49:26,237 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:49:26,238 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:49:26,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:49:26,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:49:26,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:49:26,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:49:26,240 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 09:49:26,270 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:49:26,271 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:49:26,272 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:49:26,272 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:49:26,273 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:49:26,273 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:49:26,273 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:49:26,273 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:49:26,273 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:49:26,274 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:49:26,275 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:49:26,275 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:49:26,275 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:49:26,275 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:49:26,275 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:49:26,275 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:49:26,275 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:49:26,276 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:49:26,276 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:49:26,276 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:49:26,276 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:49:26,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:49:26,276 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_a508d220-c073-4ed0-8597-9658265f00fe/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 [2018-11-18 09:49:26,345 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:49:26,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:49:26,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:49:26,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:49:26,371 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:49:26,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c [2018-11-18 09:49:26,433 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/data/fddc9b9c4/3d5f1be14cc84ecfa6b1566bb79030c2/FLAG9185b7371 [2018-11-18 09:49:26,812 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:49:26,817 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c [2018-11-18 09:49:26,824 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/data/fddc9b9c4/3d5f1be14cc84ecfa6b1566bb79030c2/FLAG9185b7371 [2018-11-18 09:49:26,841 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/data/fddc9b9c4/3d5f1be14cc84ecfa6b1566bb79030c2 [2018-11-18 09:49:26,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:49:26,851 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:49:26,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:49:26,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:49:26,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:49:26,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:49:26" (1/1) ... [2018-11-18 09:49:26,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@381c80f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:26, skipping insertion in model container [2018-11-18 09:49:26,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:49:26" (1/1) ... [2018-11-18 09:49:26,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:49:26,911 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:49:27,079 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:49:27,082 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:49:27,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:49:27,105 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:49:27,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27 WrapperNode [2018-11-18 09:49:27,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:49:27,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:49:27,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:49:27,107 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:49:27,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... [2018-11-18 09:49:27,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:49:27,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:49:27,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:49:27,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:49:27,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/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 [2018-11-18 09:49:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:49:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:49:27,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:49:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:49:27,199 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:49:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:49:27,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:49:27,305 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:49:27,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:49:27 BoogieIcfgContainer [2018-11-18 09:49:27,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:49:27,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:49:27,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:49:27,308 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:49:27,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:49:26" (1/3) ... [2018-11-18 09:49:27,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cad7d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:49:27, skipping insertion in model container [2018-11-18 09:49:27,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:49:27" (2/3) ... [2018-11-18 09:49:27,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cad7d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:49:27, skipping insertion in model container [2018-11-18 09:49:27,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:49:27" (3/3) ... [2018-11-18 09:49:27,311 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-terminate_false-no-overflow.c [2018-11-18 09:49:27,317 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:49:27,321 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-18 09:49:27,330 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-18 09:49:27,347 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:49:27,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:49:27,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:49:27,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:49:27,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:49:27,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:49:27,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:49:27,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:49:27,348 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:49:27,360 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-11-18 09:49:27,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:49:27,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:49:27,364 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:49:27,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:49:27,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:49:27,369 INFO L82 PathProgramCache]: Analyzing trace with hash 604672971, now seen corresponding path program 1 times [2018-11-18 09:49:27,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:49:27,371 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:49:27,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:49:27,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:49:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:49:27,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:49:27,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:49:27,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:49:27,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:49:27,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:49:27,482 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-11-18 09:49:27,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:49:27,514 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2018-11-18 09:49:27,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:49:27,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 09:49:27,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:49:27,521 INFO L225 Difference]: With dead ends: 30 [2018-11-18 09:49:27,521 INFO L226 Difference]: Without dead ends: 16 [2018-11-18 09:49:27,523 INFO L604 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 [2018-11-18 09:49:27,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-11-18 09:49:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2018-11-18 09:49:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-18 09:49:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-18 09:49:27,556 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2018-11-18 09:49:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:49:27,556 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-18 09:49:27,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:49:27,556 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-18 09:49:27,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 09:49:27,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:49:27,557 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:49:27,557 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:49:27,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:49:27,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1564992965, now seen corresponding path program 1 times [2018-11-18 09:49:27,558 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:49:27,558 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:49:27,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:49:27,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:49:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:49:27,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:49:27,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:49:27,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:49:27,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:49:27,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:49:27,611 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2018-11-18 09:49:27,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:49:27,639 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-11-18 09:49:27,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:49:27,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-18 09:49:27,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:49:27,641 INFO L225 Difference]: With dead ends: 25 [2018-11-18 09:49:27,641 INFO L226 Difference]: Without dead ends: 24 [2018-11-18 09:49:27,641 INFO L604 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 [2018-11-18 09:49:27,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-18 09:49:27,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2018-11-18 09:49:27,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-11-18 09:49:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-11-18 09:49:27,646 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2018-11-18 09:49:27,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:49:27,646 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-11-18 09:49:27,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:49:27,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-11-18 09:49:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 09:49:27,647 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:49:27,647 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:49:27,647 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:49:27,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:49:27,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1270141709, now seen corresponding path program 1 times [2018-11-18 09:49:27,647 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:49:27,647 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:49:27,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:49:27,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:49:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:49:27,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:49:27,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:49:27,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:49:27,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:49:27,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:49:27,676 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2018-11-18 09:49:27,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:49:27,698 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-11-18 09:49:27,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:49:27,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 09:49:27,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:49:27,699 INFO L225 Difference]: With dead ends: 18 [2018-11-18 09:49:27,699 INFO L226 Difference]: Without dead ends: 17 [2018-11-18 09:49:27,699 INFO L604 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 [2018-11-18 09:49:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-18 09:49:27,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-18 09:49:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-18 09:49:27,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-11-18 09:49:27,702 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2018-11-18 09:49:27,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:49:27,702 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-11-18 09:49:27,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:49:27,702 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-11-18 09:49:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 09:49:27,703 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:49:27,703 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:49:27,703 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:49:27,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:49:27,703 INFO L82 PathProgramCache]: Analyzing trace with hash 719687367, now seen corresponding path program 1 times [2018-11-18 09:49:27,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:49:27,703 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:49:27,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:49:27,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:49:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:49:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:49:27,726 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:49:27,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:49:27 BoogieIcfgContainer [2018-11-18 09:49:27,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:49:27,740 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:49:27,740 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:49:27,740 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:49:27,741 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:49:27" (3/4) ... [2018-11-18 09:49:27,742 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 09:49:27,765 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a508d220-c073-4ed0-8597-9658265f00fe/bin-2019/uautomizer/witness.graphml [2018-11-18 09:49:27,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:49:27,766 INFO L168 Benchmark]: Toolchain (without parser) took 915.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 961.8 MB in the beginning and 1.1 GB in the end (delta: -132.3 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:49:27,767 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:49:27,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 950.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:49:27,767 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 944.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:49:27,768 INFO L168 Benchmark]: RCFGBuilder took 177.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:49:27,768 INFO L168 Benchmark]: TraceAbstraction took 433.77 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:49:27,768 INFO L168 Benchmark]: Witness Printer took 25.15 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. [2018-11-18 09:49:27,770 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 251.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 950.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 944.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 177.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 433.77 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: 41.7 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. * Witness Printer took 25.15 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, 0.1s 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, 0.1s 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...