./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_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_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/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 8920989884f6f43fe034219867b1db3db8f5287c ...................................................................................................................................................................................................................................................................................................... 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 09:02:54,185 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:02:54,186 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:02:54,194 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:02:54,194 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:02:54,195 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:02:54,195 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:02:54,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:02:54,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:02:54,198 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:02:54,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:02:54,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:02:54,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:02:54,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:02:54,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:02:54,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:02:54,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:02:54,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:02:54,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:02:54,206 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:02:54,207 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:02:54,208 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:02:54,209 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:02:54,210 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:02:54,210 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:02:54,210 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:02:54,211 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:02:54,212 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:02:54,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:02:54,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:02:54,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:02:54,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:02:54,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:02:54,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:02:54,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:02:54,215 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:02:54,215 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-18 09:02:54,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:02:54,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:02:54,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:02:54,227 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:02:54,227 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:02:54,228 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:02:54,228 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:02:54,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:02:54,228 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:02:54,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:02:54,228 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:02:54,228 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:02:54,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:02:54,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:02:54,230 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:02:54,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:02:54,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:02:54,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:02:54,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:02:54,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:02:54,230 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:02:54,231 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:02:54,231 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:02:54,231 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_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/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 -> 8920989884f6f43fe034219867b1db3db8f5287c [2018-11-18 09:02:54,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:02:54,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:02:54,263 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:02:54,264 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:02:54,265 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:02:54,265 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c [2018-11-18 09:02:54,302 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/data/709ff0230/526e9f40b303423f9b4e65b15baefd9f/FLAG9cbbceda8 [2018-11-18 09:02:54,628 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:02:54,628 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c [2018-11-18 09:02:54,633 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/data/709ff0230/526e9f40b303423f9b4e65b15baefd9f/FLAG9cbbceda8 [2018-11-18 09:02:55,061 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/data/709ff0230/526e9f40b303423f9b4e65b15baefd9f [2018-11-18 09:02:55,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:02:55,064 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:02:55,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:55,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:02:55,067 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:02:55,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8c3382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55, skipping insertion in model container [2018-11-18 09:02:55,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:02:55,086 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:02:55,197 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:55,199 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:02:55,211 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:02:55,220 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:02:55,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55 WrapperNode [2018-11-18 09:02:55,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:02:55,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:02:55,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:02:55,221 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:02:55,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,232 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... [2018-11-18 09:02:55,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:02:55,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:02:55,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:02:55,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:02:55,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/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 09:02:55,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:02:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:02:55,310 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:02:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:02:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:02:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:02:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:02:55,476 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:02:55,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:55 BoogieIcfgContainer [2018-11-18 09:02:55,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:02:55,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:02:55,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:02:55,480 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:02:55,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:02:55" (1/3) ... [2018-11-18 09:02:55,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4954760c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:02:55, skipping insertion in model container [2018-11-18 09:02:55,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:02:55" (2/3) ... [2018-11-18 09:02:55,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4954760c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:02:55, skipping insertion in model container [2018-11-18 09:02:55,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:55" (3/3) ... [2018-11-18 09:02:55,483 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c [2018-11-18 09:02:55,492 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:02:55,498 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2018-11-18 09:02:55,512 INFO L257 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2018-11-18 09:02:55,538 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:02:55,539 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:02:55,539 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:02:55,539 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:02:55,539 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:02:55,539 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:02:55,540 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:02:55,540 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:02:55,540 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:02:55,556 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-18 09:02:55,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 09:02:55,560 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:55,561 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:55,563 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:02:55,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:55,568 INFO L82 PathProgramCache]: Analyzing trace with hash 116031877, now seen corresponding path program 1 times [2018-11-18 09:02:55,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:55,570 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:55,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:55,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:55,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:55,686 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 09:02:55,688 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:55,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:02:55,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:02:55,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:02:55,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:02:55,700 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 3 states. [2018-11-18 09:02:55,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:55,770 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2018-11-18 09:02:55,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:02:55,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-18 09:02:55,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:55,777 INFO L225 Difference]: With dead ends: 112 [2018-11-18 09:02:55,777 INFO L226 Difference]: Without dead ends: 54 [2018-11-18 09:02:55,779 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 09:02:55,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-18 09:02:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-11-18 09:02:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-18 09:02:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-11-18 09:02:55,803 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 8 [2018-11-18 09:02:55,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:55,803 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-11-18 09:02:55,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:02:55,803 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-11-18 09:02:55,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 09:02:55,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:55,803 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:55,804 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:02:55,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:55,804 INFO L82 PathProgramCache]: Analyzing trace with hash -697979061, now seen corresponding path program 1 times [2018-11-18 09:02:55,804 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:55,804 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:55,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:55,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:55,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:02:55,821 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 09:02:55,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:02:55,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:02:55,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:02:55,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:02:55,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:02:55,824 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 3 states. [2018-11-18 09:02:55,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:02:55,876 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-18 09:02:55,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:02:55,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 09:02:55,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:02:55,877 INFO L225 Difference]: With dead ends: 51 [2018-11-18 09:02:55,877 INFO L226 Difference]: Without dead ends: 50 [2018-11-18 09:02:55,878 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 09:02:55,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-18 09:02:55,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-18 09:02:55,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-18 09:02:55,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-11-18 09:02:55,882 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 9 [2018-11-18 09:02:55,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:02:55,883 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-11-18 09:02:55,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:02:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-11-18 09:02:55,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 09:02:55,883 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:02:55,883 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:02:55,884 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 09:02:55,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:02:55,884 INFO L82 PathProgramCache]: Analyzing trace with hash -162514361, now seen corresponding path program 1 times [2018-11-18 09:02:55,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:02:55,885 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:02:55,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:55,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:02:55,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:02:55,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:02:55,906 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:02:55,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:02:55 BoogieIcfgContainer [2018-11-18 09:02:55,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:02:55,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:02:55,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:02:55,920 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:02:55,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:02:55" (3/4) ... [2018-11-18 09:02:55,922 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 09:02:55,945 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da18a2a2-8502-4c72-9bb6-05ed3a4addc1/bin-2019/uautomizer/witness.graphml [2018-11-18 09:02:55,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:02:55,946 INFO L168 Benchmark]: Toolchain (without parser) took 881.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 962.5 MB in the beginning and 1.1 GB in the end (delta: -110.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:55,947 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-11-18 09:02:55,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:55,948 INFO L168 Benchmark]: Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 949.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:55,948 INFO L168 Benchmark]: RCFGBuilder took 237.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.0 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:55,949 INFO L168 Benchmark]: TraceAbstraction took 442.01 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:02:55,949 INFO L168 Benchmark]: Witness Printer took 25.87 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 09:02:55,951 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 155.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.5 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 949.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 237.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 949.0 MB in the beginning and 1.1 GB in the end (delta: -165.0 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 442.01 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: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 25.87 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: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 VAL [x=3, y=2147483646] [L18] EXPR x - 1 [L18] x = x - 1 VAL [x=2, y=2147483646] [L19] y + x VAL [x=2, y=2147483646] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 20 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 44 SDslu, 38 SDs, 0 SdLazy, 54 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...