./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.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/SyntaxSupportPointer01-2.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 0a93871a8dae316852c5fe296af5e1db1eea1d37 ............................................................................................................................................................................................................................................................................................................................. 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 06:22:36,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:22:36,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:22:36,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:22:36,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:22:36,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:22:36,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:22:36,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:22:36,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:22:36,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:22:36,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:22:36,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:22:36,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:22:36,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:22:36,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:22:36,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:22:36,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:22:36,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:22:36,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:22:36,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:22:36,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:22:36,111 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:22:36,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:22:36,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:22:36,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:22:36,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:22:36,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:22:36,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:22:36,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:22:36,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:22:36,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:22:36,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:22:36,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:22:36,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:22:36,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:22:36,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:22:36,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:22:36,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:22:36,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:22:36,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:22:36,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:22:36,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-20 06:22:36,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:22:36,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:22:36,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:22:36,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:22:36,179 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:22:36,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:22:36,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:22:36,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:22:36,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:22:36,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:22:36,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:22:36,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:22:36,180 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:22:36,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:22:36,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:22:36,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:22:36,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:22:36,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:22:36,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:22:36,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:22:36,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:22:36,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:22:36,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:22:36,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:22:36,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:22:36,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:22:36,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:22:36,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:22:36,183 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 -> 0a93871a8dae316852c5fe296af5e1db1eea1d37 [2020-10-20 06:22:36,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:22:36,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:22:36,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:22:36,417 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:22:36,417 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:22:36,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2020-10-20 06:22:36,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247b2cdc2/42c2a415d1f545118b8f86982ce0e9f5/FLAG042eb649d [2020-10-20 06:22:37,010 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:22:37,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-2.c [2020-10-20 06:22:37,015 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247b2cdc2/42c2a415d1f545118b8f86982ce0e9f5/FLAG042eb649d [2020-10-20 06:22:37,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/247b2cdc2/42c2a415d1f545118b8f86982ce0e9f5 [2020-10-20 06:22:37,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:22:37,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:22:37,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:22:37,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:22:37,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:22:37,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c208fea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37, skipping insertion in model container [2020-10-20 06:22:37,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:22:37,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:22:37,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:22:37,743 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:22:37,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:22:37,778 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:22:37,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37 WrapperNode [2020-10-20 06:22:37,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:22:37,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:22:37,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:22:37,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:22:37,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:22:37,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:22:37,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:22:37,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:22:37,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,833 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (1/1) ... [2020-10-20 06:22:37,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:22:37,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:22:37,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:22:37,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:22:37,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (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 06:22:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 06:22:37,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-20 06:22:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:22:37,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:22:37,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:22:38,076 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:22:38,077 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:22:38,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:38 BoogieIcfgContainer [2020-10-20 06:22:38,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:22:38,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:22:38,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:22:38,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:22:38,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:22:37" (1/3) ... [2020-10-20 06:22:38,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e81a521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:22:38, skipping insertion in model container [2020-10-20 06:22:38,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:37" (2/3) ... [2020-10-20 06:22:38,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e81a521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:22:38, skipping insertion in model container [2020-10-20 06:22:38,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:38" (3/3) ... [2020-10-20 06:22:38,086 INFO L111 eAbstractionObserver]: Analyzing ICFG SyntaxSupportPointer01-2.c [2020-10-20 06:22:38,097 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:22:38,104 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-20 06:22:38,117 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-20 06:22:38,139 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:22:38,139 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:22:38,139 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:22:38,140 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:22:38,140 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:22:38,140 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:22:38,140 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:22:38,140 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:22:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-10-20 06:22:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-20 06:22:38,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:38,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-20 06:22:38,163 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:38,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:38,168 INFO L82 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times [2020-10-20 06:22:38,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:38,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16557225] [2020-10-20 06:22:38,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:38,391 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 06:22:38,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16557225] [2020-10-20 06:22:38,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:38,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:22:38,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657875171] [2020-10-20 06:22:38,401 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:22:38,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:38,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:22:38,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:38,432 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2020-10-20 06:22:38,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:38,522 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2020-10-20 06:22:38,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:22:38,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-10-20 06:22:38,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:38,534 INFO L225 Difference]: With dead ends: 16 [2020-10-20 06:22:38,535 INFO L226 Difference]: Without dead ends: 7 [2020-10-20 06:22:38,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-20 06:22:38,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-10-20 06:22:38,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-10-20 06:22:38,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-10-20 06:22:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2020-10-20 06:22:38,572 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2020-10-20 06:22:38,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:38,573 INFO L481 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2020-10-20 06:22:38,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:22:38,573 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2020-10-20 06:22:38,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 06:22:38,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 06:22:38,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 06:22:38,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 06:22:38,574 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-20 06:22:38,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:22:38,575 INFO L82 PathProgramCache]: Analyzing trace with hash 889571241, now seen corresponding path program 1 times [2020-10-20 06:22:38,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:22:38,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864650984] [2020-10-20 06:22:38,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:22:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:22:38,614 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 06:22:38,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864650984] [2020-10-20 06:22:38,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:22:38,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:22:38,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067083797] [2020-10-20 06:22:38,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 06:22:38,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:22:38,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 06:22:38,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:38,618 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2020-10-20 06:22:38,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:22:38,634 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2020-10-20 06:22:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-20 06:22:38,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-20 06:22:38,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 06:22:38,635 INFO L225 Difference]: With dead ends: 7 [2020-10-20 06:22:38,635 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 06:22:38,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-20 06:22:38,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 06:22:38,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 06:22:38,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 06:22:38,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 06:22:38,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-20 06:22:38,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 06:22:38,638 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:22:38,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 06:22:38,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:22:38,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:22:38,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 06:22:38,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 06:22:38,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2020-10-20 06:22:38,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:22:38,660 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 06:22:38,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 16) no Hoare annotation was computed. [2020-10-20 06:22:38,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:22:38,660 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:22:38,661 INFO L270 CegarLoopResult]: At program point L18(lines 12 19) the Hoare annotation is: (<= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 2147483647) [2020-10-20 06:22:38,661 INFO L274 CegarLoopResult]: For program point L16(line 16) no Hoare annotation was computed. [2020-10-20 06:22:38,661 INFO L274 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2020-10-20 06:22:38,661 INFO L274 CegarLoopResult]: For program point L15-1(lines 15 17) no Hoare annotation was computed. [2020-10-20 06:22:38,662 INFO L270 CegarLoopResult]: At program point L15-3(lines 15 17) the Hoare annotation is: (<= (select (select |#memory_int| ULTIMATE.start_main_~p~0.base) ULTIMATE.start_main_~p~0.offset) 2147483647) [2020-10-20 06:22:38,662 INFO L274 CegarLoopResult]: For program point L15-4(lines 15 17) no Hoare annotation was computed. [2020-10-20 06:22:38,675 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:22:38,682 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:22:38,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:22:38,691 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:22:38,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:22:38 BoogieIcfgContainer [2020-10-20 06:22:38,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:22:38,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:22:38,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:22:38,694 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:22:38,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:38" (3/4) ... [2020-10-20 06:22:38,699 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:22:38,710 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 06:22:38,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-20 06:22:38,711 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:22:38,758 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:22:38,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:22:38,761 INFO L168 Benchmark]: Toolchain (without parser) took 1334.64 ms. Allocated memory was 35.7 MB in the beginning and 46.7 MB in the end (delta: 11.0 MB). Free memory was 12.9 MB in the beginning and 27.5 MB in the end (delta: -14.6 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:22:38,762 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 19.3 MB in the beginning and 19.2 MB in the end (delta: 28.6 kB). Peak memory consumption was 28.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,763 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.15 ms. Allocated memory was 35.7 MB in the beginning and 43.0 MB in the end (delta: 7.3 MB). Free memory was 12.0 MB in the beginning and 26.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.39 ms. Allocated memory is still 43.0 MB. Free memory was 26.8 MB in the beginning and 25.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,765 INFO L168 Benchmark]: Boogie Preprocessor took 21.40 ms. Allocated memory is still 43.0 MB. Free memory was 25.2 MB in the beginning and 24.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,766 INFO L168 Benchmark]: RCFGBuilder took 237.59 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 23.8 MB in the beginning and 23.5 MB in the end (delta: 383.6 kB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,767 INFO L168 Benchmark]: TraceAbstraction took 614.37 ms. Allocated memory was 42.5 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Free memory was 23.0 MB in the beginning and 30.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,767 INFO L168 Benchmark]: Witness Printer took 64.80 ms. Allocated memory is still 46.7 MB. Free memory was 30.1 MB in the beginning and 27.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:38,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 34.1 MB. Free memory was 19.3 MB in the beginning and 19.2 MB in the end (delta: 28.6 kB). Peak memory consumption was 28.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 349.15 ms. Allocated memory was 35.7 MB in the beginning and 43.0 MB in the end (delta: 7.3 MB). Free memory was 12.0 MB in the beginning and 26.8 MB in the end (delta: -14.8 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 38.39 ms. Allocated memory is still 43.0 MB. Free memory was 26.8 MB in the beginning and 25.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 21.40 ms. Allocated memory is still 43.0 MB. Free memory was 25.2 MB in the beginning and 24.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 237.59 ms. Allocated memory was 43.0 MB in the beginning and 42.5 MB in the end (delta: -524.3 kB). Free memory was 23.8 MB in the beginning and 23.5 MB in the end (delta: 383.6 kB). Peak memory consumption was 13.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 614.37 ms. Allocated memory was 42.5 MB in the beginning and 46.7 MB in the end (delta: 4.2 MB). Free memory was 23.0 MB in the beginning and 30.1 MB in the end (delta: -7.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 14.3 GB. * Witness Printer took 64.80 ms. Allocated memory is still 46.7 MB. Free memory was 30.1 MB in the beginning and 27.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2020-10-20 06:22:38,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:22:38,784 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 - InvariantResult [Line: 12]: Loop Invariant [2020-10-20 06:22:38,785 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-20 06:22:38,786 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: unknown-#memory_int-unknown[p][p] <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 9 SDslu, 9 SDs, 0 SdLazy, 17 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 14 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...