./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/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 161919999e14c9bb99eab96b7019d04a5349d1bb ........................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:33:39,722 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:33:39,724 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:33:39,731 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:33:39,731 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:33:39,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:33:39,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:33:39,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:33:39,735 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:33:39,736 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:33:39,736 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:33:39,737 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:33:39,737 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:33:39,738 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:33:39,739 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:33:39,740 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:33:39,740 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:33:39,742 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:33:39,743 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:33:39,744 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:33:39,745 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:33:39,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:33:39,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:33:39,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:33:39,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:33:39,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:33:39,749 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:33:39,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:33:39,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:33:39,751 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:33:39,751 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:33:39,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:33:39,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:33:39,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:33:39,753 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:33:39,753 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:33:39,753 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 16:33:39,760 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:33:39,760 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:33:39,767 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:33:39,767 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:33:39,767 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:33:39,767 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:33:39,767 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:33:39,768 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:33:39,768 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:33:39,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:33:39,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:33:39,770 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:33:39,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:33:39,770 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:33:39,770 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:33:39,770 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:33:39,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:33:39,770 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_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/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 -> 161919999e14c9bb99eab96b7019d04a5349d1bb [2018-11-18 16:33:39,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:33:39,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:33:39,807 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:33:39,808 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:33:39,808 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:33:39,809 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/../../sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-11-18 16:33:39,845 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/data/46027159f/830dbdf43dfb40aa85ad3c5939720024/FLAG89dcd56ac [2018-11-18 16:33:40,141 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:33:40,142 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/sv-benchmarks/c/bitvector/jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-11-18 16:33:40,146 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/data/46027159f/830dbdf43dfb40aa85ad3c5939720024/FLAG89dcd56ac [2018-11-18 16:33:40,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/data/46027159f/830dbdf43dfb40aa85ad3c5939720024 [2018-11-18 16:33:40,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:33:40,157 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:33:40,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:33:40,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:33:40,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:33:40,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300c35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40, skipping insertion in model container [2018-11-18 16:33:40,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:33:40,181 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:33:40,278 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:33:40,280 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:33:40,289 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:33:40,297 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:33:40,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40 WrapperNode [2018-11-18 16:33:40,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:33:40,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:33:40,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:33:40,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:33:40,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... [2018-11-18 16:33:40,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:33:40,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:33:40,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:33:40,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:33:40,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/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 16:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-18 16:33:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:33:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:33:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 16:33:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 16:33:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:33:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:33:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:33:40,502 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:33:40,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:33:40 BoogieIcfgContainer [2018-11-18 16:33:40,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:33:40,503 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:33:40,503 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:33:40,505 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:33:40,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:33:40" (1/3) ... [2018-11-18 16:33:40,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2257b1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:33:40, skipping insertion in model container [2018-11-18 16:33:40,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:33:40" (2/3) ... [2018-11-18 16:33:40,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2257b1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:33:40, skipping insertion in model container [2018-11-18 16:33:40,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:33:40" (3/3) ... [2018-11-18 16:33:40,508 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_6_true-unreach-call_true-no-overflow_false-termination.i [2018-11-18 16:33:40,513 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:33:40,519 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:33:40,528 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:33:40,547 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:33:40,547 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:33:40,547 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:33:40,547 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:33:40,547 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:33:40,547 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:33:40,548 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:33:40,548 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:33:40,548 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:33:40,560 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2018-11-18 16:33:40,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:33:40,564 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:33:40,564 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:33:40,566 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:33:40,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:33:40,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1863838843, now seen corresponding path program 1 times [2018-11-18 16:33:40,571 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:33:40,572 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:33:40,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:33:40,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:33:40,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:33:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:33:40,731 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 16:33:40,732 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:33:40,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:33:40,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:33:40,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:33:40,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:33:40,749 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 6 states. [2018-11-18 16:33:42,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:33:42,912 INFO L93 Difference]: Finished difference Result 37 states and 49 transitions. [2018-11-18 16:33:42,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:33:42,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2018-11-18 16:33:42,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:33:42,920 INFO L225 Difference]: With dead ends: 37 [2018-11-18 16:33:42,920 INFO L226 Difference]: Without dead ends: 23 [2018-11-18 16:33:42,923 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:33:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-18 16:33:42,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2018-11-18 16:33:42,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-18 16:33:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-11-18 16:33:42,946 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 11 [2018-11-18 16:33:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:33:42,946 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-11-18 16:33:42,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:33:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-11-18 16:33:42,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:33:42,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:33:42,947 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:33:42,947 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:33:42,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:33:42,948 INFO L82 PathProgramCache]: Analyzing trace with hash -669615069, now seen corresponding path program 1 times [2018-11-18 16:33:42,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:33:42,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:33:42,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:33:42,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:33:42,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:33:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:33:43,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:33:43,077 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:33:43,077 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:33:43,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:33:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:33:43,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:33:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:33:43,593 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:33:43,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2018-11-18 16:33:43,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 16:33:43,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 16:33:43,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2018-11-18 16:33:43,594 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 13 states. [2018-11-18 16:33:50,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:33:50,960 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-11-18 16:33:50,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:33:50,961 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 18 [2018-11-18 16:33:50,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:33:50,961 INFO L225 Difference]: With dead ends: 30 [2018-11-18 16:33:50,961 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:33:50,962 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=158, Unknown=1, NotChecked=0, Total=210 [2018-11-18 16:33:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:33:50,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:33:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:33:50,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:33:50,963 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2018-11-18 16:33:50,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:33:50,963 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:33:50,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 16:33:50,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:33:50,964 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:33:50,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:33:55,116 WARN L180 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 51 DAG size of output: 14 [2018-11-18 16:33:56,496 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 51 DAG size of output: 14 [2018-11-18 16:33:56,499 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 16:33:56,499 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:33:56,499 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:33:56,499 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:33:56,499 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:33:56,500 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:33:56,500 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2018-11-18 16:33:56,500 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 10 27) no Hoare annotation was computed. [2018-11-18 16:33:56,500 INFO L421 ceAbstractionStarter]: At program point L24(line 24) the Hoare annotation is: (let ((.cse0 (* 4 main_~x~0)) (.cse1 (* 2 main_~y~0))) (<= (+ .cse0 .cse1 main_~z~0) (* 8 (div (+ .cse0 (+ .cse1 main_~z~0)) 8)))) [2018-11-18 16:33:56,500 INFO L421 ceAbstractionStarter]: At program point L24-1(lines 18 25) the Hoare annotation is: (let ((.cse0 (* 4 main_~x~0)) (.cse1 (* 2 main_~y~0))) (<= (+ .cse0 .cse1 main_~z~0) (* 8 (div (+ .cse0 (+ .cse1 main_~z~0)) 8)))) [2018-11-18 16:33:56,500 INFO L425 ceAbstractionStarter]: For program point L18-1(lines 18 25) no Hoare annotation was computed. [2018-11-18 16:33:56,500 INFO L425 ceAbstractionStarter]: For program point L18-3(lines 18 25) no Hoare annotation was computed. [2018-11-18 16:33:56,501 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed. [2018-11-18 16:33:56,501 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2018-11-18 16:33:56,501 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2018-11-18 16:33:56,501 INFO L425 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2018-11-18 16:33:56,501 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2018-11-18 16:33:56,501 INFO L425 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2018-11-18 16:33:56,501 INFO L425 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2018-11-18 16:33:56,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:33:56 BoogieIcfgContainer [2018-11-18 16:33:56,511 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:33:56,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:33:56,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:33:56,512 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:33:56,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:33:40" (3/4) ... [2018-11-18 16:33:56,515 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:33:56,521 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:33:56,521 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:33:56,521 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-18 16:33:56,524 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 16:33:56,524 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:33:56,525 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:33:56,558 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f733ac2c-7db6-4279-a4ee-5bec9c6cfec8/bin-2019/uautomizer/witness.graphml [2018-11-18 16:33:56,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:33:56,559 INFO L168 Benchmark]: Toolchain (without parser) took 16402.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 958.1 MB in the beginning and 1.0 GB in the end (delta: -81.1 MB). Peak memory consumption was 59.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:33:56,559 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:33:56,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:33:56,560 INFO L168 Benchmark]: Boogie Preprocessor took 24.09 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 941.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:33:56,560 INFO L168 Benchmark]: RCFGBuilder took 181.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:33:56,561 INFO L168 Benchmark]: TraceAbstraction took 16007.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:33:56,561 INFO L168 Benchmark]: Witness Printer took 46.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:33:56,564 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.88 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.09 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 941.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 181.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16007.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 11.5 GB. * Witness Printer took 46.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 4 * x + 2 * y + z <= 8 * ((4 * x + (2 * y + z)) / 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. SAFE Result, 15.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 9.5s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 19 SDtfs, 26 SDslu, 82 SDs, 0 SdLazy, 54 SolverSat, 9 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 9.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=1, 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 17 NumberOfFragments, 49 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 175 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 4 QuantifiedInterpolants, 6125 SizeOfPredicates, 3 NumberOfNonLiveVariables, 48 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 2/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...