./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/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 3894847563f94cbdd0635f6155c1daf0bb2475fc ................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:15:20,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:15:20,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:15:20,977 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:15:20,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:15:20,979 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:15:20,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:15:20,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:15:20,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:15:20,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:15:20,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:15:20,996 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:15:20,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:15:20,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:15:20,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:15:20,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:15:21,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:15:21,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:15:21,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:15:21,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:15:21,006 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:15:21,007 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:15:21,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:15:21,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:15:21,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:15:21,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:15:21,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:15:21,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:15:21,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:15:21,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:15:21,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:15:21,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:15:21,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:15:21,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:15:21,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:15:21,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:15:21,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:15:21,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:15:21,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:15:21,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:15:21,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:15:21,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:15:21,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:15:21,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:15:21,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:15:21,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:15:21,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:15:21,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:15:21,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:15:21,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:15:21,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:15:21,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:15:21,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:15:21,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:15:21,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:15:21,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:15:21,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:15:21,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:15:21,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:15:21,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:15:21,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:15:21,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:15:21,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:15:21,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:15:21,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:15:21,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:15:21,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:15:21,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:15:21,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:15:21,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:15:21,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/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 -> 3894847563f94cbdd0635f6155c1daf0bb2475fc [2019-11-15 23:15:21,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:15:21,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:15:21,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:15:21,100 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:15:21,101 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:15:21,102 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/../../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-15 23:15:21,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/data/efa1b0d21/35b1eaa13073483aac71efed68e33089/FLAGdacf4dcbd [2019-11-15 23:15:21,561 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:15:21,562 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+cfa-reducer.c [2019-11-15 23:15:21,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/data/efa1b0d21/35b1eaa13073483aac71efed68e33089/FLAGdacf4dcbd [2019-11-15 23:15:21,584 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/data/efa1b0d21/35b1eaa13073483aac71efed68e33089 [2019-11-15 23:15:21,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:15:21,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:15:21,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:15:21,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:15:21,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:15:21,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da7206b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21, skipping insertion in model container [2019-11-15 23:15:21,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,606 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:15:21,623 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:15:21,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:15:21,872 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:15:21,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:15:21,900 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:15:21,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21 WrapperNode [2019-11-15 23:15:21,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:15:21,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:15:21,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:15:21,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:15:21,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:15:21,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:15:21,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:15:21,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:15:21,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... [2019-11-15 23:15:21,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:15:21,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:15:21,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:15:21,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:15:21,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/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 [2019-11-15 23:15:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:15:22,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:15:22,228 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:15:22,228 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-15 23:15:22,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:15:22 BoogieIcfgContainer [2019-11-15 23:15:22,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:15:22,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:15:22,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:15:22,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:15:22,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:15:21" (1/3) ... [2019-11-15 23:15:22,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520166b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:15:22, skipping insertion in model container [2019-11-15 23:15:22,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:15:21" (2/3) ... [2019-11-15 23:15:22,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@520166b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:15:22, skipping insertion in model container [2019-11-15 23:15:22,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:15:22" (3/3) ... [2019-11-15 23:15:22,246 INFO L109 eAbstractionObserver]: Analyzing ICFG gsv2008.c.i.v+cfa-reducer.c [2019-11-15 23:15:22,257 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:15:22,264 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:15:22,276 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:15:22,295 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:15:22,295 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:15:22,295 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:15:22,295 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:15:22,295 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:15:22,295 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:15:22,295 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:15:22,296 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:15:22,310 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-15 23:15:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-15 23:15:22,318 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:15:22,318 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:15:22,320 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:15:22,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:15:22,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1806908747, now seen corresponding path program 1 times [2019-11-15 23:15:22,335 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:15:22,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471327141] [2019-11-15 23:15:22,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:15:22,336 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:15:22,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:15:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:15:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:15:22,499 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471327141] [2019-11-15 23:15:22,500 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:15:22,500 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:15:22,501 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951751713] [2019-11-15 23:15:22,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:15:22,521 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:15:22,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:15:22,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:15:22,547 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 3 states. [2019-11-15 23:15:22,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:15:22,573 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2019-11-15 23:15:22,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:15:22,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-15 23:15:22,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:15:22,584 INFO L225 Difference]: With dead ends: 21 [2019-11-15 23:15:22,584 INFO L226 Difference]: Without dead ends: 9 [2019-11-15 23:15:22,587 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:15:22,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-15 23:15:22,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-15 23:15:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-15 23:15:22,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-11-15 23:15:22,621 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2019-11-15 23:15:22,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:15:22,622 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2019-11-15 23:15:22,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:15:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-11-15 23:15:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-15 23:15:22,623 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:15:22,623 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:15:22,623 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:15:22,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:15:22,624 INFO L82 PathProgramCache]: Analyzing trace with hash 179533835, now seen corresponding path program 1 times [2019-11-15 23:15:22,624 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:15:22,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472499330] [2019-11-15 23:15:22,625 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:15:22,625 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:15:22,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:15:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:15:22,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:15:22,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472499330] [2019-11-15 23:15:22,706 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153265203] [2019-11-15 23:15:22,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:15:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:15:22,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 23:15:22,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:15:22,799 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-15 23:15:22,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:15:22,821 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 23:15:22,821 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2019-11-15 23:15:22,821 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178003228] [2019-11-15 23:15:22,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:15:22,823 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:15:22,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:15:22,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:15:22,824 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 4 states. [2019-11-15 23:15:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:15:22,858 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2019-11-15 23:15:22,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:15:22,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-11-15 23:15:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:15:22,859 INFO L225 Difference]: With dead ends: 9 [2019-11-15 23:15:22,859 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:15:22,860 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-15 23:15:22,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:15:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:15:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:15:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:15:22,861 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-11-15 23:15:22,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:15:22,862 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:15:22,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:15:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:15:22,862 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:15:23,066 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 23:15:23,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:15:23,097 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:15:23,098 INFO L439 ceAbstractionStarter]: At program point L32(lines 25 53) the Hoare annotation is: (or (<= (+ ULTIMATE.start_main_~main__x~0 2) ULTIMATE.start_main_~main__y~0) (<= (+ ULTIMATE.start_main_~main__x~0 50) 0)) [2019-11-15 23:15:23,098 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:15:23,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:15:23,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:15:23,098 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 53) no Hoare annotation was computed. [2019-11-15 23:15:23,099 INFO L446 ceAbstractionStarter]: At program point L49(lines 8 55) the Hoare annotation is: true [2019-11-15 23:15:23,099 INFO L443 ceAbstractionStarter]: For program point L14(lines 14 54) no Hoare annotation was computed. [2019-11-15 23:15:23,099 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 23:15:23,099 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 43) no Hoare annotation was computed. [2019-11-15 23:15:23,099 INFO L443 ceAbstractionStarter]: For program point L41(lines 41 50) no Hoare annotation was computed. [2019-11-15 23:15:23,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:15:23 BoogieIcfgContainer [2019-11-15 23:15:23,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:15:23,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:15:23,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:15:23,110 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:15:23,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:15:22" (3/4) ... [2019-11-15 23:15:23,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:15:23,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-15 23:15:23,123 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:15:23,168 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e62809e2-c296-49b1-9059-f4ace240c6b3/bin/uautomizer/witness.graphml [2019-11-15 23:15:23,168 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:15:23,170 INFO L168 Benchmark]: Toolchain (without parser) took 1580.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -122.6 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-11-15 23:15:23,171 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:15:23,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-15 23:15:23,172 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.93 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. [2019-11-15 23:15:23,172 INFO L168 Benchmark]: Boogie Preprocessor took 18.35 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. [2019-11-15 23:15:23,173 INFO L168 Benchmark]: RCFGBuilder took 277.89 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:15:23,174 INFO L168 Benchmark]: TraceAbstraction took 878.26 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-11-15 23:15:23,174 INFO L168 Benchmark]: Witness Printer took 58.37 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. [2019-11-15 23:15:23,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 962.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.93 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. * Boogie Preprocessor took 18.35 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. * RCFGBuilder took 277.89 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 878.26 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: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Witness Printer took 58.37 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: - PositiveResult [Line: 43]: 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: 25]: Loop Invariant Derived loop invariant: main__x + 2 <= main__y || main__x + 50 <= 0 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 5 SDslu, 11 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 12 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 381 SizeOfPredicates, 4 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...