./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.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-Fig7b.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 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 06:25:03,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:25:03,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:25:03,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:25:03,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:25:03,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:25:03,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:25:03,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:25:03,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:25:03,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:25:03,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:25:03,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:25:03,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:25:03,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:25:03,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:25:03,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:25:03,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:25:03,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:25:03,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:25:03,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:25:03,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:25:03,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:25:03,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:25:03,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:25:03,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:25:03,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:25:03,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:25:03,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:25:03,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:25:03,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:25:03,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:25:03,076 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:25:03,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:25:03,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:25:03,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:25:03,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:25:03,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:25:03,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:25:03,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:25:03,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:25:03,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:25:03,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-20 06:25:03,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:25:03,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:25:03,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:25:03,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:25:03,106 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:25:03,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:25:03,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:25:03,107 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:25:03,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:25:03,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:25:03,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:25:03,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:25:03,108 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:25:03,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:25:03,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:25:03,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:25:03,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:25:03,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:25:03,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:25:03,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:25:03,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:25:03,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:25:03,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:25:03,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:25:03,111 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:25:03,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:25:03,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:25:03,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:25:03,112 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 -> 41d35d9d9785c70c81ceac96efa22b5a4097e6f4 [2020-10-20 06:25:03,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:25:03,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:25:03,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:25:03,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:25:03,328 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:25:03,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2020-10-20 06:25:03,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92b083dda/16f5d823fc9c4369b40d0895cc4b7407/FLAG355485055 [2020-10-20 06:25:03,924 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:25:03,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig7b.c [2020-10-20 06:25:03,930 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92b083dda/16f5d823fc9c4369b40d0895cc4b7407/FLAG355485055 [2020-10-20 06:25:04,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92b083dda/16f5d823fc9c4369b40d0895cc4b7407 [2020-10-20 06:25:04,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:25:04,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:25:04,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:25:04,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:25:04,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:25:04,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13dc63d9 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 06:25:04,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:25:04" (1/1) ... [2020-10-20 06:25:04,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:25:04,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:25:04,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:25:04,564 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:25:04,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:25:04,591 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:25:04,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:25:04 WrapperNode [2020-10-20 06:25:04,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:25:04,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:25:04,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:25:04,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:25:04,602 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 06:25:04,607 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 06:25:04,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:25:04,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:25:04,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:25:04,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:25:04,638 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 06:25:04,638 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 06:25:04,639 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 06:25:04,639 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 06:25:04,642 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 06:25:04,647 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 06:25:04,648 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 06:25:04,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:25:04,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:25:04,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:25:04,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:25:04,651 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 06:25:04,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:25:04,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:25:04,892 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:25:04,893 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:25:04,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:25:04 BoogieIcfgContainer [2020-10-20 06:25:04,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:25:04,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:25:04,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:25:04,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:25:04,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:25:04" (1/3) ... [2020-10-20 06:25:04,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd7cc1b 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 06:25:04,901 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 06:25:04,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cd7cc1b 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 06:25:04,901 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 06:25:04,903 INFO L111 eAbstractionObserver]: Analyzing ICFG CookSeeZuleger-TACAS2013-Fig7b.c [2020-10-20 06:25:04,917 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:25:04,926 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-10-20 06:25:04,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-20 06:25:04,964 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:25:04,964 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:25:04,964 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:25:04,964 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:25:04,965 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:25:04,965 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:25:04,965 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:25:04,965 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:25:04,982 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-20 06:25:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-20 06:25:04,988 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:04,989 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-20 06:25:04,989 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 06:25:04,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:04,994 INFO L82 PathProgramCache]: Analyzing trace with hash 963339, now seen corresponding path program 1 times [2020-10-20 06:25:05,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141842705] [2020-10-20 06:25:05,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,166 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 06:25:05,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141842705] [2020-10-20 06:25:05,168 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:25:05,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594938389] [2020-10-20 06:25:05,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,195 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2020-10-20 06:25:05,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,346 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2020-10-20 06:25:05,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-20 06:25:05,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,358 INFO L225 Difference]: With dead ends: 24 [2020-10-20 06:25:05,359 INFO L226 Difference]: Without dead ends: 15 [2020-10-20 06:25:05,361 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 06:25:05,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2020-10-20 06:25:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2020-10-20 06:25:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-10-20 06:25:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-10-20 06:25:05,393 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 4 [2020-10-20 06:25:05,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,393 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-10-20 06:25:05,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-10-20 06:25:05,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 06:25:05,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 06:25:05,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:25:05,395 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 06:25:05,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,396 INFO L82 PathProgramCache]: Analyzing trace with hash 29869546, now seen corresponding path program 1 times [2020-10-20 06:25:05,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848843014] [2020-10-20 06:25:05,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,428 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 06:25:05,428 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848843014] [2020-10-20 06:25:05,428 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:25:05,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127224901] [2020-10-20 06:25:05,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,432 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2020-10-20 06:25:05,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,444 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-10-20 06:25:05,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 06:25:05,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,446 INFO L225 Difference]: With dead ends: 15 [2020-10-20 06:25:05,446 INFO L226 Difference]: Without dead ends: 14 [2020-10-20 06:25:05,448 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 06:25:05,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-10-20 06:25:05,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-10-20 06:25:05,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-10-20 06:25:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-10-20 06:25:05,452 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 5 [2020-10-20 06:25:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,452 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-10-20 06:25:05,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-10-20 06:25:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 06:25:05,453 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,453 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 06:25:05,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:25:05,454 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 06:25:05,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,454 INFO L82 PathProgramCache]: Analyzing trace with hash 29869738, now seen corresponding path program 1 times [2020-10-20 06:25:05,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166619415] [2020-10-20 06:25:05,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,502 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 06:25:05,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166619415] [2020-10-20 06:25:05,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-20 06:25:05,503 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358796182] [2020-10-20 06:25:05,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,505 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 3 states. [2020-10-20 06:25:05,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,519 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-10-20 06:25:05,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 06:25:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,521 INFO L225 Difference]: With dead ends: 14 [2020-10-20 06:25:05,521 INFO L226 Difference]: Without dead ends: 13 [2020-10-20 06:25:05,522 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 06:25:05,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-20 06:25:05,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-20 06:25:05,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-20 06:25:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-10-20 06:25:05,526 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 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 13 states and 15 transitions. [2020-10-20 06:25:05,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 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 06:25:05,528 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 06:25:05,529 INFO L82 PathProgramCache]: Analyzing trace with hash 29863556, now seen corresponding path program 1 times [2020-10-20 06:25:05,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889478138] [2020-10-20 06:25:05,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,552 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 06:25:05,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889478138] [2020-10-20 06:25:05,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:25:05,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041367916] [2020-10-20 06:25:05,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,555 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-10-20 06:25:05,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,572 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-10-20 06:25:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,573 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-20 06:25:05,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,573 INFO L225 Difference]: With dead ends: 14 [2020-10-20 06:25:05,573 INFO L226 Difference]: Without dead ends: 13 [2020-10-20 06:25:05,574 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 06:25:05,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-10-20 06:25:05,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-10-20 06:25:05,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-10-20 06:25:05,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2020-10-20 06:25:05,578 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 5 [2020-10-20 06:25:05,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,579 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-10-20 06:25:05,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,579 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-10-20 06:25:05,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 06:25:05,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,580 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:25:05,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-20 06:25:05,581 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 06:25:05,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,581 INFO L82 PathProgramCache]: Analyzing trace with hash 925955982, now seen corresponding path program 1 times [2020-10-20 06:25:05,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808891927] [2020-10-20 06:25:05,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,610 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 06:25:05,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808891927] [2020-10-20 06:25:05,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:25:05,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616231926] [2020-10-20 06:25:05,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,613 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 3 states. [2020-10-20 06:25:05,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,626 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2020-10-20 06:25:05,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-20 06:25:05,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,628 INFO L225 Difference]: With dead ends: 13 [2020-10-20 06:25:05,628 INFO L226 Difference]: Without dead ends: 12 [2020-10-20 06:25:05,628 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 06:25:05,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-10-20 06:25:05,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2020-10-20 06:25:05,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-10-20 06:25:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2020-10-20 06:25:05,632 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 6 [2020-10-20 06:25:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,632 INFO L481 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2020-10-20 06:25:05,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,632 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2020-10-20 06:25:05,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 06:25:05,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:25:05,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:25:05,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-20 06:25:05,634 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 06:25:05,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:25:05,634 INFO L82 PathProgramCache]: Analyzing trace with hash 925961940, now seen corresponding path program 1 times [2020-10-20 06:25:05,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:25:05,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622139759] [2020-10-20 06:25:05,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:25:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:25:05,658 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 06:25:05,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622139759] [2020-10-20 06:25:05,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:25:05,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 06:25:05,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167021991] [2020-10-20 06:25:05,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-20 06:25:05,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:25:05,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:25:05,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:25:05,661 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand 3 states. [2020-10-20 06:25:05,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:25:05,684 INFO L93 Difference]: Finished difference Result 12 states and 14 transitions. [2020-10-20 06:25:05,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:25:05,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-20 06:25:05,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:25:05,685 INFO L225 Difference]: With dead ends: 12 [2020-10-20 06:25:05,685 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:25:05,685 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 06:25:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:25:05,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:25:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:25:05,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:25:05,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-20 06:25:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:25:05,687 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:25:05,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-20 06:25:05,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:25:05,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:25:05,687 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-20 06:25:05,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 06:25:05,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:25:05,747 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2020-10-20 06:25:05,748 INFO L270 CegarLoopResult]: At program point L31(lines 15 32) the Hoare annotation is: (<= ULTIMATE.start_main_~x~0 2147483647) [2020-10-20 06:25:05,748 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,748 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,748 INFO L274 CegarLoopResult]: For program point L27-1(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,748 INFO L274 CegarLoopResult]: For program point L23(lines 23 29) no Hoare annotation was computed. [2020-10-20 06:25:05,748 INFO L274 CegarLoopResult]: For program point L21(lines 21 29) no Hoare annotation was computed. [2020-10-20 06:25:05,749 INFO L270 CegarLoopResult]: At program point L23-2(lines 20 30) the Hoare annotation is: (and (<= ULTIMATE.start_main_~x~0 2147483647) (<= ULTIMATE.start_main_~z~0 2147483647) (<= ULTIMATE.start_main_~y~0 2147483647)) [2020-10-20 06:25:05,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2020-10-20 06:25:05,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:25:05,749 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2020-10-20 06:25:05,750 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:25:05,750 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-20 06:25:05,750 INFO L274 CegarLoopResult]: For program point L24-1(line 24) no Hoare annotation was computed. [2020-10-20 06:25:05,750 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,750 INFO L274 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-10-20 06:25:05,750 INFO L274 CegarLoopResult]: For program point L20-2(lines 20 30) no Hoare annotation was computed. [2020-10-20 06:25:05,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:25:05 BoogieIcfgContainer [2020-10-20 06:25:05,768 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:25:05,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:25:05,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:25:05,768 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:25:05,769 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 06:25:05,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:25:05,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:25:05,784 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:25:05,836 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:25:05,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:25:05,839 INFO L168 Benchmark]: Toolchain (without parser) took 1519.06 ms. Allocated memory was 39.3 MB in the beginning and 45.1 MB in the end (delta: 5.8 MB). Free memory was 17.6 MB in the beginning and 18.7 MB in the end (delta: -1.1 MB). Peak memory consumption was 4.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,839 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 30.9 MB. Free memory was 7.5 MB in the beginning and 7.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.01 ms. Allocated memory was 39.3 MB in the beginning and 40.4 MB in the end (delta: 1.0 MB). Free memory was 16.8 MB in the beginning and 18.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,841 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.65 ms. Allocated memory is still 40.4 MB. Free memory was 18.5 MB in the beginning and 16.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,841 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 40.4 MB. Free memory was 16.9 MB in the beginning and 15.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,842 INFO L168 Benchmark]: RCFGBuilder took 244.41 ms. Allocated memory was 40.4 MB in the beginning and 41.9 MB in the end (delta: 1.6 MB). Free memory was 15.7 MB in the beginning and 19.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,843 INFO L168 Benchmark]: TraceAbstraction took 872.12 ms. Allocated memory was 41.9 MB in the beginning and 45.1 MB in the end (delta: 3.1 MB). Free memory was 19.5 MB in the beginning and 22.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 621.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,844 INFO L168 Benchmark]: Witness Printer took 68.10 ms. Allocated memory is still 45.1 MB. Free memory was 22.0 MB in the beginning and 18.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:25:05,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 30.9 MB. Free memory was 7.5 MB in the beginning and 7.5 MB in the end (delta: 41.9 kB). Peak memory consumption was 41.9 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 267.01 ms. Allocated memory was 39.3 MB in the beginning and 40.4 MB in the end (delta: 1.0 MB). Free memory was 16.8 MB in the beginning and 18.5 MB in the end (delta: -1.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 34.65 ms. Allocated memory is still 40.4 MB. Free memory was 18.5 MB in the beginning and 16.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 40.4 MB. Free memory was 16.9 MB in the beginning and 15.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 244.41 ms. Allocated memory was 40.4 MB in the beginning and 41.9 MB in the end (delta: 1.6 MB). Free memory was 15.7 MB in the beginning and 19.9 MB in the end (delta: -4.2 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 872.12 ms. Allocated memory was 41.9 MB in the beginning and 45.1 MB in the end (delta: 3.1 MB). Free memory was 19.5 MB in the beginning and 22.0 MB in the end (delta: -2.5 MB). Peak memory consumption was 621.3 kB. Max. memory is 14.3 GB. * Witness Printer took 68.10 ms. Allocated memory is still 45.1 MB. Free memory was 22.0 MB in the beginning and 18.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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: 24]: 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: 15]: Loop Invariant Derived loop invariant: x <= 2147483647 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (x <= 2147483647 && z <= 2147483647) && y <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.7s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 56 SDslu, 0 SDs, 0 SdLazy, 30 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=20occurred 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 13 HoareAnnotationTreeSize, 2 FomulaSimplifications, 84 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 14 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, 293 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...