./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f9de9875f09e594325a645528f016ce12ac5c646 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:25:02,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:25:02,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:25:02,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:25:02,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:25:02,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:25:02,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:25:02,839 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:25:02,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:25:02,842 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:25:02,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:25:02,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:25:02,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:25:02,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:25:02,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:25:02,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:25:02,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:25:02,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:25:02,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:25:02,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:25:02,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:25:02,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:25:02,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:25:02,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:25:02,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:25:02,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:25:02,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:25:02,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:25:02,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:25:02,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:25:02,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:25:02,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:25:02,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:25:02,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:25:02,881 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:25:02,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:25:02,882 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:25:02,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:25:02,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:25:02,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:25:02,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:25:02,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-20 06:25:02,918 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:25:02,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:25:02,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:25:02,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:25:02,922 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:25:02,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:25:02,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:25:02,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:25:02,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:25:02,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:25:02,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:25:02,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:25:02,925 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:25:02,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:25:02,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:25:02,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:25:02,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:25:02,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:25:02,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:25:02,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:25:02,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:25:02,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:25:02,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:25:02,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:25:02,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:25:02,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:25:02,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:25:02,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:25:02,930 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9de9875f09e594325a645528f016ce12ac5c646 [2020-10-20 06:25:03,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:25:03,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:25:03,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:25:03,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:25:03,223 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:25:03,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2020-10-20 06:25:03,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd9ea3e7/dcfbb4589ac843b29f72bf2dcbe6f8f5/FLAGea8b30300 [2020-10-20 06:25:03,909 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:25:03,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7a.c [2020-10-20 06:25:03,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd9ea3e7/dcfbb4589ac843b29f72bf2dcbe6f8f5/FLAGea8b30300 [2020-10-20 06:25:04,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd9ea3e7/dcfbb4589ac843b29f72bf2dcbe6f8f5 [2020-10-20 06:25:04,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:25:04,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:25:04,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:25:04,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:25:04,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:25:04,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1dfcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04, skipping insertion in model container [2020-10-20 06:25:04,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:25:04,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:25:04,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:25:04,651 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:25:04,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:25:04,677 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:25:04,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04 WrapperNode [2020-10-20 06:25:04,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:25:04,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:25:04,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:25:04,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:25:04,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:25:04,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:25:04,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:25:04,710 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:25:04,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:25:04,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:25:04,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:25:04,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:25:04,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:25:04,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:25:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:25:04,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:25:04,978 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:25:04,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:04 BoogieIcfgContainer [2020-10-20 06:25:04,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:25:04,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:25:04,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:25:04,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:25:04,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:25:04" (1/3) ... [2020-10-20 06:25:04,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778cd080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:25:04, skipping insertion in model container [2020-10-20 06:25:04,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04" (2/3) ... [2020-10-20 06:25:04,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778cd080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:25:04, skipping insertion in model container [2020-10-20 06:25:04,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:04" (3/3) ... [2020-10-20 06:25:04,987 INFO L111 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7a.c [2020-10-20 06:25:04,999 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:25:05,006 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-20 06:25:05,020 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-20 06:25:05,043 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:25:05,043 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:25:05,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:25:05,043 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:25:05,043 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:25:05,043 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:25:05,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:25:05,044 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:25:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-20 06:25:05,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:25:05,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:25:05,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:25:05,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,070 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2020-10-20 06:25:05,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4840967] [2020-10-20 06:25:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:25:05,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4840967] [2020-10-20 06:25:05,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:25:05,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570178982] [2020-10-20 06:25:05,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,258 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-10-20 06:25:05,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,309 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2020-10-20 06:25:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-20 06:25:05,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,323 INFO L225 Difference]: With dead ends: 23 [2020-10-20 06:25:05,324 INFO L226 Difference]: Without dead ends: 14 [2020-10-20 06:25:05,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-20 06:25:05,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 06:25:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:25:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2020-10-20 06:25:05,384 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 4 [2020-10-20 06:25:05,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,385 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2020-10-20 06:25:05,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2020-10-20 06:25:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:25:05,386 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:25:05,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:25:05,388 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:25:05,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,388 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2020-10-20 06:25:05,389 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49111643] [2020-10-20 06:25:05,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:25:05,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49111643] [2020-10-20 06:25:05,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:25:05,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716490324] [2020-10-20 06:25:05,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,429 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 3 states. [2020-10-20 06:25:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,451 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-10-20 06:25:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-20 06:25:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,453 INFO L225 Difference]: With dead ends: 14 [2020-10-20 06:25:05,453 INFO L226 Difference]: Without dead ends: 13 [2020-10-20 06:25:05,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-20 06:25:05,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-20 06:25:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-20 06:25:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2020-10-20 06:25:05,459 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 4 [2020-10-20 06:25:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,460 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2020-10-20 06:25:05,460 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,460 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2020-10-20 06:25:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 06:25:05,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,461 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 06:25:05,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:25:05,462 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:25:05,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,462 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2020-10-20 06:25:05,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041101084] [2020-10-20 06:25:05,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:25:05,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041101084] [2020-10-20 06:25:05,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:25:05,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835684897] [2020-10-20 06:25:05,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,495 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand 3 states. [2020-10-20 06:25:05,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,511 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2020-10-20 06:25:05,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 06:25:05,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,513 INFO L225 Difference]: With dead ends: 14 [2020-10-20 06:25:05,513 INFO L226 Difference]: Without dead ends: 13 [2020-10-20 06:25:05,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-20 06:25:05,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-10-20 06:25:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-20 06:25:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2020-10-20 06:25:05,518 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 5 [2020-10-20 06:25:05,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,526 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2020-10-20 06:25:05,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-10-20 06:25:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 06:25:05,527 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,527 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 06:25:05,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-20 06:25:05,528 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:25:05,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,528 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2020-10-20 06:25:05,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,529 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864650984] [2020-10-20 06:25:05,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:25:05,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864650984] [2020-10-20 06:25:05,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:25:05,579 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288916709] [2020-10-20 06:25:05,579 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,582 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 3 states. [2020-10-20 06:25:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,605 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-10-20 06:25:05,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 06:25:05,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,607 INFO L225 Difference]: With dead ends: 12 [2020-10-20 06:25:05,607 INFO L226 Difference]: Without dead ends: 11 [2020-10-20 06:25:05,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-10-20 06:25:05,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-10-20 06:25:05,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-20 06:25:05,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2020-10-20 06:25:05,612 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 5 [2020-10-20 06:25:05,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,612 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2020-10-20 06:25:05,613 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,613 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-10-20 06:25:05,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 06:25:05,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:25:05,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 06:25:05,615 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:25:05,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,615 INFO L82 PathProgramCache]: Analyzing trace with hash 925954989, now seen corresponding path program 1 times [2020-10-20 06:25:05,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011891529] [2020-10-20 06:25:05,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:25:05,645 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011891529] [2020-10-20 06:25:05,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:25:05,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168969905] [2020-10-20 06:25:05,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,646 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,647 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 3 states. [2020-10-20 06:25:05,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,661 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2020-10-20 06:25:05,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-20 06:25:05,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,662 INFO L225 Difference]: With dead ends: 11 [2020-10-20 06:25:05,662 INFO L226 Difference]: Without dead ends: 10 [2020-10-20 06:25:05,663 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-20 06:25:05,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-20 06:25:05,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-20 06:25:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-10-20 06:25:05,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 6 [2020-10-20 06:25:05,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,667 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-10-20 06:25:05,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-10-20 06:25:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-20 06:25:05,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:25:05,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 06:25:05,669 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:25:05,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1360166356, now seen corresponding path program 1 times [2020-10-20 06:25:05,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395434389] [2020-10-20 06:25:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:25:05,700 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395434389] [2020-10-20 06:25:05,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:25:05,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852012544] [2020-10-20 06:25:05,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,702 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 3 states. [2020-10-20 06:25:05,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,729 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2020-10-20 06:25:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-20 06:25:05,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,730 INFO L225 Difference]: With dead ends: 10 [2020-10-20 06:25:05,730 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:25:05,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:25:05,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:25:05,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:25:05,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:25:05,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2020-10-20 06:25:05,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,732 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:25:05,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:25:05,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:25:05,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 06:25:05,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 06:25:05,770 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:25:05,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2020-10-20 06:25:05,771 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,771 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,771 INFO L274 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,771 INFO L274 CegarLoopResult]: For program point L21(lines 21 28) no Hoare annotation was computed. [2020-10-20 06:25:05,772 INFO L270 CegarLoopResult]: At program point L21-2(lines 20 29) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~d~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2020-10-20 06:25:05,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,772 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 26) no Hoare annotation was computed. [2020-10-20 06:25:05,773 INFO L270 CegarLoopResult]: At program point L30(lines 15 31) the Hoare annotation is: (<= ULTIMATE.start_main_~y~0 2147483647) [2020-10-20 06:25:05,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:25:05,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,773 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:25:05,773 INFO L274 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-10-20 06:25:05,773 INFO L274 CegarLoopResult]: For program point L26-1(line 26) no Hoare annotation was computed. [2020-10-20 06:25:05,773 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,774 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,774 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 29) no Hoare annotation was computed. [2020-10-20 06:25:05,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:25:05 BoogieIcfgContainer [2020-10-20 06:25:05,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:25:05,794 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:25:05,795 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:25:05,795 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:25:05,795 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:04" (3/4) ... [2020-10-20 06:25:05,799 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:25:05,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:25:05,813 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:25:05,867 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:25:05,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:25:05,870 INFO L168 Benchmark]: Toolchain (without parser) took 1512.88 ms. Allocated memory was 41.4 MB in the beginning and 46.7 MB in the end (delta: 5.2 MB). Free memory was 21.6 MB in the beginning and 25.7 MB in the end (delta: -4.2 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,870 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 7.9 MB in the beginning and 7.9 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.02 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 20.6 MB in the beginning and 23.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.54 ms. Allocated memory is still 42.5 MB. Free memory was 23.4 MB in the beginning and 21.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,873 INFO L168 Benchmark]: Boogie Preprocessor took 21.75 ms. Allocated memory is still 42.5 MB. Free memory was 21.8 MB in the beginning and 20.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,873 INFO L168 Benchmark]: RCFGBuilder took 247.97 ms. Allocated memory was 42.5 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Free memory was 20.6 MB in the beginning and 25.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,874 INFO L168 Benchmark]: TraceAbstraction took 813.34 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 25.3 MB in the beginning and 28.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,875 INFO L168 Benchmark]: Witness Printer took 72.53 ms. Allocated memory is still 46.7 MB. Free memory was 28.9 MB in the beginning and 25.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,879 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 30.9 MB. Free memory was 7.9 MB in the beginning and 7.9 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 316.02 ms. Allocated memory was 41.4 MB in the beginning and 42.5 MB in the end (delta: 1.0 MB). Free memory was 20.6 MB in the beginning and 23.4 MB in the end (delta: -2.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 30.54 ms. Allocated memory is still 42.5 MB. Free memory was 23.4 MB in the beginning and 21.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 21.75 ms. Allocated memory is still 42.5 MB. Free memory was 21.8 MB in the beginning and 20.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 247.97 ms. Allocated memory was 42.5 MB in the beginning and 44.6 MB in the end (delta: 2.1 MB). Free memory was 20.6 MB in the beginning and 25.8 MB in the end (delta: -5.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * TraceAbstraction took 813.34 ms. Allocated memory was 44.6 MB in the beginning and 46.7 MB in the end (delta: 2.1 MB). Free memory was 25.3 MB in the beginning and 28.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.5 MB. Max. memory is 14.3 GB. * Witness Printer took 72.53 ms. Allocated memory is still 46.7 MB. Free memory was 28.9 MB in the beginning and 25.7 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && d <= 2147483647) && y <= 2147483647 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 SDtfs, 34 SDslu, 10 SDs, 0 SdLazy, 28 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred 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, 6 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 12 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...