./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/trex04_true-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/trex04_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebd700d2a774ad3ca11fe220b69fa701cbe412e1 ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:03:19,156 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:03:19,157 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:03:19,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:03:19,166 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:03:19,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:03:19,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:03:19,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:03:19,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:03:19,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:03:19,172 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:03:19,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:03:19,173 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:03:19,174 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:03:19,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:03:19,176 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:03:19,177 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:03:19,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:03:19,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:03:19,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:03:19,183 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:03:19,184 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:03:19,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:03:19,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:03:19,187 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:03:19,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:03:19,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:03:19,189 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:03:19,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:03:19,191 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:03:19,191 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:03:19,192 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:03:19,192 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:03:19,192 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:03:19,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:03:19,194 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:03:19,195 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-26 22:03:19,206 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:03:19,206 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:03:19,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:03:19,207 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:03:19,208 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:03:19,208 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:03:19,208 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 22:03:19,209 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:03:19,209 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:03:19,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:03:19,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:03:19,209 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:03:19,209 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:03:19,210 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:03:19,210 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:03:19,210 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:03:19,210 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:03:19,212 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:03:19,212 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:03:19,212 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:03:19,212 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:03:19,212 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:03:19,212 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:03:19,213 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:03:19,213 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:03:19,213 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:03:19,213 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 22:03:19,213 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:03:19,213 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:03:19,213 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_82a277c6-5252-4c1b-a402-249a1f4f6907/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ebd700d2a774ad3ca11fe220b69fa701cbe412e1 [2018-10-26 22:03:19,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:03:19,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:03:19,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:03:19,254 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:03:19,254 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:03:19,255 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/../../sv-benchmarks/c/loops/trex04_true-unreach-call_false-termination.i [2018-10-26 22:03:19,305 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/data/1d0ec2a3b/a2f491908f6d48fc9e0badda2f3f67a6/FLAG96fa98f23 [2018-10-26 22:03:19,696 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:03:19,697 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/sv-benchmarks/c/loops/trex04_true-unreach-call_false-termination.i [2018-10-26 22:03:19,704 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/data/1d0ec2a3b/a2f491908f6d48fc9e0badda2f3f67a6/FLAG96fa98f23 [2018-10-26 22:03:19,718 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/data/1d0ec2a3b/a2f491908f6d48fc9e0badda2f3f67a6 [2018-10-26 22:03:19,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:03:19,723 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 22:03:19,724 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:03:19,724 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:03:19,727 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:03:19,728 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4698943a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19, skipping insertion in model container [2018-10-26 22:03:19,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:03:19,757 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:03:19,917 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:03:19,920 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:03:19,937 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:03:19,951 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:03:19,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19 WrapperNode [2018-10-26 22:03:19,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:03:19,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:03:19,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:03:19,953 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:03:19,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... [2018-10-26 22:03:19,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:03:19,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:03:19,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:03:19,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:03:19,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/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 [2018-10-26 22:03:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:03:20,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:03:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 22:03:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-10-26 22:03:20,089 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:03:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-10-26 22:03:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-10-26 22:03:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 22:03:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2018-10-26 22:03:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-10-26 22:03:20,089 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-10-26 22:03:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:03:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:03:20,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:03:20,483 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:03:20,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:03:20 BoogieIcfgContainer [2018-10-26 22:03:20,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:03:20,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:03:20,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:03:20,488 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:03:20,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:03:19" (1/3) ... [2018-10-26 22:03:20,489 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a82c4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:03:20, skipping insertion in model container [2018-10-26 22:03:20,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:03:19" (2/3) ... [2018-10-26 22:03:20,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a82c4b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:03:20, skipping insertion in model container [2018-10-26 22:03:20,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:03:20" (3/3) ... [2018-10-26 22:03:20,492 INFO L112 eAbstractionObserver]: Analyzing ICFG trex04_true-unreach-call_false-termination.i [2018-10-26 22:03:20,501 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:03:20,508 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:03:20,522 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:03:20,544 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:03:20,545 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:03:20,545 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:03:20,545 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:03:20,546 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:03:20,546 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:03:20,546 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:03:20,546 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:03:20,546 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:03:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-10-26 22:03:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:03:20,567 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:20,568 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:03:20,571 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:20,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:20,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1294249659, now seen corresponding path program 1 times [2018-10-26 22:03:20,577 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:03:20,578 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:03:20,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:03:20,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:20,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:03:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:20,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:20,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:20,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:03:20,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:03:20,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:03:20,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:03:20,702 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2018-10-26 22:03:20,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:20,720 INFO L93 Difference]: Finished difference Result 42 states and 53 transitions. [2018-10-26 22:03:20,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:03:20,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-26 22:03:20,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:20,729 INFO L225 Difference]: With dead ends: 42 [2018-10-26 22:03:20,730 INFO L226 Difference]: Without dead ends: 25 [2018-10-26 22:03:20,732 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:03:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-10-26 22:03:20,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-10-26 22:03:20,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-10-26 22:03:20,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2018-10-26 22:03:20,763 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 16 [2018-10-26 22:03:20,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:20,764 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2018-10-26 22:03:20,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:03:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2018-10-26 22:03:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:03:20,765 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:03:20,765 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:03:20,766 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:03:20,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:03:20,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1720438887, now seen corresponding path program 1 times [2018-10-26 22:03:20,766 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 22:03:20,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 22:03:20,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:03:20,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:03:20,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:03:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:03:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:03:20,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:03:20,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:03:20,848 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:03:20,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:03:20,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:03:20,849 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand 5 states. [2018-10-26 22:03:20,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:03:20,933 INFO L93 Difference]: Finished difference Result 25 states and 32 transitions. [2018-10-26 22:03:20,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:03:20,933 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-10-26 22:03:20,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:03:20,934 INFO L225 Difference]: With dead ends: 25 [2018-10-26 22:03:20,934 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:03:20,935 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:03:20,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:03:20,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:03:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:03:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:03:20,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-10-26 22:03:20,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:03:20,936 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:03:20,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:03:20,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:03:20,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:03:20,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:03:20,966 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 22:03:20,966 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point fooEXIT(lines 11 18) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L428 ceAbstractionStarter]: At program point fooENTRY(lines 11 18) the Hoare annotation is: true [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point L16-1(lines 11 18) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point L15-2(lines 12 18) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 22:03:20,967 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-10-26 22:03:20,967 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 19 35) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L425 ceAbstractionStarter]: For program point L23(line 23) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L425 ceAbstractionStarter]: For program point L25-2(lines 20 35) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 19 35) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 33) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 19 35) the Hoare annotation is: true [2018-10-26 22:03:20,968 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L425 ceAbstractionStarter]: For program point L30-2(lines 20 35) no Hoare annotation was computed. [2018-10-26 22:03:20,968 INFO L428 ceAbstractionStarter]: At program point L28-1(line 28) the Hoare annotation is: true [2018-10-26 22:03:20,968 INFO L421 ceAbstractionStarter]: At program point L30-3(lines 30 33) the Hoare annotation is: (<= main_~x~0 0) [2018-10-26 22:03:20,968 INFO L428 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: true [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point L28-3(lines 20 35) no Hoare annotation was computed. [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point L26-2(line 26) no Hoare annotation was computed. [2018-10-26 22:03:20,969 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-10-26 22:03:20,969 INFO L425 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-10-26 22:03:20,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:03:20 BoogieIcfgContainer [2018-10-26 22:03:20,975 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:03:20,976 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:03:20,976 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:03:20,976 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:03:20,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:03:20" (3/4) ... [2018-10-26 22:03:20,980 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:03:20,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:03:20,985 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2018-10-26 22:03:20,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:03:20,986 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 22:03:20,989 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-26 22:03:20,990 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-26 22:03:20,990 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:03:21,034 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82a277c6-5252-4c1b-a402-249a1f4f6907/bin-2019/uautomizer/witness.graphml [2018-10-26 22:03:21,034 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:03:21,035 INFO L168 Benchmark]: Toolchain (without parser) took 1313.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -164.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:21,038 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:03:21,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:21,039 INFO L168 Benchmark]: Boogie Preprocessor took 27.41 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:03:21,039 INFO L168 Benchmark]: RCFGBuilder took 502.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 943.7 MB in the beginning and 1.2 GB in the end (delta: -210.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:21,040 INFO L168 Benchmark]: TraceAbstraction took 491.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:21,040 INFO L168 Benchmark]: Witness Printer took 58.11 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:03:21,048 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 228.74 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.41 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 502.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 943.7 MB in the beginning and 1.2 GB in the end (delta: -210.8 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 491.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.11 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 31 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 68 SDtfs, 1 SDslu, 82 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 11 PreInvPairs, 12 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 577 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 correct! Received shutdown request...