./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/AliasDarteFeautrierGonnord-SAS2010-while2.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 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:04:12,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:04:12,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:04:12,291 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:04:12,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:04:12,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:04:12,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:04:12,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:04:12,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:04:12,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:04:12,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:04:12,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:04:12,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:04:12,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:04:12,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:04:12,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:04:12,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:04:12,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:04:12,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:04:12,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:04:12,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:04:12,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:04:12,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:04:12,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:04:12,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:04:12,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:04:12,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:04:12,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:04:12,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:04:12,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:04:12,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:04:12,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:04:12,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:04:12,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:04:12,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:04:12,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:04:12,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:04:12,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:04:12,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:04:12,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:04:12,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:04:12,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-26 04:04:12,383 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:04:12,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:04:12,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:04:12,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:04:12,388 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:04:12,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:04:12,388 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:04:12,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:04:12,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:04:12,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 04:04:12,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 04:04:12,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 04:04:12,391 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-26 04:04:12,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:04:12,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:04:12,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 04:04:12,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:04:12,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:04:12,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 04:04:12,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 04:04:12,393 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 04:04:12,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:04:12,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 04:04:12,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 04:04:12,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:04:12,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 04:04:12,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 04:04:12,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:04:12,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 775ea6e0a1296fd7b29dfc5da5a4c77d3361f4a8 [2020-10-26 04:04:12,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:04:12,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:04:12,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:04:12,895 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:04:12,896 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:04:12,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2020-10-26 04:04:12,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee136c1a0/c0df6330f3d44814b6080b1ac28fd061/FLAG4a56ea893 [2020-10-26 04:04:13,584 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:04:13,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-while2.c [2020-10-26 04:04:13,592 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee136c1a0/c0df6330f3d44814b6080b1ac28fd061/FLAG4a56ea893 [2020-10-26 04:04:13,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee136c1a0/c0df6330f3d44814b6080b1ac28fd061 [2020-10-26 04:04:13,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:04:13,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:04:13,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:04:13,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:04:13,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:04:13,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:04:13" (1/1) ... [2020-10-26 04:04:13,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f10815e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:13, skipping insertion in model container [2020-10-26 04:04:13,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:04:13" (1/1) ... [2020-10-26 04:04:14,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:04:14,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:04:14,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:04:14,211 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:04:14,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:04:14,241 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:04:14,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14 WrapperNode [2020-10-26 04:04:14,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:04:14,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:04:14,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:04:14,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:04:14,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:04:14,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:04:14,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:04:14,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:04:14,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (1/1) ... [2020-10-26 04:04:14,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:04:14,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:04:14,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:04:14,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:04:14,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (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 [2020-10-26 04:04:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:04:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:04:14,561 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:04:14,561 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-26 04:04:14,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:04:14 BoogieIcfgContainer [2020-10-26 04:04:14,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:04:14,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 04:04:14,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 04:04:14,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 04:04:14,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 04:04:13" (1/3) ... [2020-10-26 04:04:14,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ddd92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:04:14, skipping insertion in model container [2020-10-26 04:04:14,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:04:14" (2/3) ... [2020-10-26 04:04:14,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ddd92e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 04:04:14, skipping insertion in model container [2020-10-26 04:04:14,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:04:14" (3/3) ... [2020-10-26 04:04:14,572 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-while2.c [2020-10-26 04:04:14,585 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 04:04:14,590 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-26 04:04:14,605 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-26 04:04:14,632 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 04:04:14,632 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 04:04:14,633 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 04:04:14,633 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:04:14,633 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:04:14,633 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 04:04:14,633 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:04:14,633 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 04:04:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2020-10-26 04:04:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-26 04:04:14,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:14,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-26 04:04:14,656 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:14,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:14,662 INFO L82 PathProgramCache]: Analyzing trace with hash 963476, now seen corresponding path program 1 times [2020-10-26 04:04:14,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:14,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981224665] [2020-10-26 04:04:14,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:14,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:14,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981224665] [2020-10-26 04:04:14,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:14,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-26 04:04:14,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699255691] [2020-10-26 04:04:14,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:04:14,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:14,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:04:14,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:04:14,886 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 3 states. [2020-10-26 04:04:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:14,923 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2020-10-26 04:04:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:04:14,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-26 04:04:14,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:14,935 INFO L225 Difference]: With dead ends: 28 [2020-10-26 04:04:14,936 INFO L226 Difference]: Without dead ends: 10 [2020-10-26 04:04:14,939 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 [2020-10-26 04:04:14,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-26 04:04:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2020-10-26 04:04:14,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-26 04:04:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2020-10-26 04:04:14,999 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 4 [2020-10-26 04:04:15,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:15,002 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2020-10-26 04:04:15,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:04:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-10-26 04:04:15,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-26 04:04:15,005 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:15,005 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-26 04:04:15,005 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 04:04:15,007 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:15,010 INFO L82 PathProgramCache]: Analyzing trace with hash 963531, now seen corresponding path program 1 times [2020-10-26 04:04:15,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:15,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038034621] [2020-10-26 04:04:15,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:15,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038034621] [2020-10-26 04:04:15,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:15,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:15,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662512409] [2020-10-26 04:04:15,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-26 04:04:15,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:15,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:04:15,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:04:15,112 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand 4 states. [2020-10-26 04:04:15,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:15,175 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2020-10-26 04:04:15,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:04:15,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-10-26 04:04:15,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:15,183 INFO L225 Difference]: With dead ends: 11 [2020-10-26 04:04:15,183 INFO L226 Difference]: Without dead ends: 10 [2020-10-26 04:04:15,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-26 04:04:15,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2020-10-26 04:04:15,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2020-10-26 04:04:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-26 04:04:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2020-10-26 04:04:15,191 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 4 [2020-10-26 04:04:15,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:15,192 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2020-10-26 04:04:15,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-26 04:04:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2020-10-26 04:04:15,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-26 04:04:15,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:15,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-26 04:04:15,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 04:04:15,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:15,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:15,197 INFO L82 PathProgramCache]: Analyzing trace with hash 29867816, now seen corresponding path program 1 times [2020-10-26 04:04:15,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:15,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543618495] [2020-10-26 04:04:15,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:15,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:15,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543618495] [2020-10-26 04:04:15,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:15,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:15,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627995325] [2020-10-26 04:04:15,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:04:15,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:15,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:04:15,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:04:15,254 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 3 states. [2020-10-26 04:04:15,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:15,264 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2020-10-26 04:04:15,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:04:15,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-26 04:04:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:15,265 INFO L225 Difference]: With dead ends: 9 [2020-10-26 04:04:15,266 INFO L226 Difference]: Without dead ends: 8 [2020-10-26 04:04:15,266 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 [2020-10-26 04:04:15,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-26 04:04:15,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-26 04:04:15,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-26 04:04:15,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2020-10-26 04:04:15,271 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 5 [2020-10-26 04:04:15,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:15,271 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2020-10-26 04:04:15,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:04:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-10-26 04:04:15,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-26 04:04:15,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 04:04:15,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-26 04:04:15,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 04:04:15,273 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-10-26 04:04:15,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:04:15,274 INFO L82 PathProgramCache]: Analyzing trace with hash 29869514, now seen corresponding path program 1 times [2020-10-26 04:04:15,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:04:15,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342968972] [2020-10-26 04:04:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:04:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:04:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:04:15,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342968972] [2020-10-26 04:04:15,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:04:15,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:04:15,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431967494] [2020-10-26 04:04:15,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 04:04:15,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:04:15,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:04:15,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:04:15,300 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2020-10-26 04:04:15,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:04:15,314 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2020-10-26 04:04:15,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:04:15,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-26 04:04:15,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 04:04:15,315 INFO L225 Difference]: With dead ends: 8 [2020-10-26 04:04:15,315 INFO L226 Difference]: Without dead ends: 0 [2020-10-26 04:04:15,316 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 [2020-10-26 04:04:15,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-26 04:04:15,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-26 04:04:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-26 04:04:15,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-26 04:04:15,317 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2020-10-26 04:04:15,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 04:04:15,317 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:04:15,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 04:04:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:04:15,318 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-26 04:04:15,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-26 04:04:15,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-26 04:04:15,361 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-10-26 04:04:15,361 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-26 04:04:15,361 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-26 04:04:15,362 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 21) the Hoare annotation is: (and (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647) (<= 1 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~j~0 2147483647)) [2020-10-26 04:04:15,362 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 21) no Hoare annotation was computed. [2020-10-26 04:04:15,363 INFO L270 CegarLoopResult]: At program point L17-2(lines 17 23) the Hoare annotation is: (and (<= ULTIMATE.start_main_~i~0 2147483647) (<= ULTIMATE.start_main_~N~0 2147483647)) [2020-10-26 04:04:15,363 INFO L274 CegarLoopResult]: For program point L17-3(lines 17 23) no Hoare annotation was computed. [2020-10-26 04:04:15,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2020-10-26 04:04:15,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-10-26 04:04:15,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-26 04:04:15,363 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-26 04:04:15,364 INFO L270 CegarLoopResult]: At program point L24(lines 13 25) the Hoare annotation is: (<= ULTIMATE.start_main_~i~0 2147483647) [2020-10-26 04:04:15,364 INFO L274 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-10-26 04:04:15,364 INFO L274 CegarLoopResult]: For program point L20(line 20) no Hoare annotation was computed. [2020-10-26 04:04:15,364 INFO L274 CegarLoopResult]: For program point L20-1(line 20) no Hoare annotation was computed. [2020-10-26 04:04:15,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 04:04:15 BoogieIcfgContainer [2020-10-26 04:04:15,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 04:04:15,384 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:04:15,384 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:04:15,384 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:04:15,385 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:04:14" (3/4) ... [2020-10-26 04:04:15,388 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-26 04:04:15,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-10-26 04:04:15,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-26 04:04:15,441 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 04:04:15,442 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:04:15,444 INFO L168 Benchmark]: Toolchain (without parser) took 1471.31 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.4 MB in the beginning and 19.5 MB in the end (delta: -126.1 kB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:15,445 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:04:15,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.55 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.7 MB in the beginning and 27.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:15,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.13 ms. Allocated memory is still 50.3 MB. Free memory was 27.9 MB in the beginning and 26.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:15,448 INFO L168 Benchmark]: Boogie Preprocessor took 21.35 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 25.7 MB in the end (delta: 905.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:04:15,449 INFO L168 Benchmark]: RCFGBuilder took 262.67 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 28.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:15,454 INFO L168 Benchmark]: TraceAbstraction took 818.39 ms. Allocated memory is still 50.3 MB. Free memory was 28.2 MB in the beginning and 21.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:15,455 INFO L168 Benchmark]: Witness Printer took 58.30 ms. Allocated memory is still 50.3 MB. Free memory was 21.8 MB in the beginning and 19.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:04:15,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory is still 19.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 263.55 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.7 MB in the beginning and 27.9 MB in the end (delta: -9.1 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.13 ms. Allocated memory is still 50.3 MB. Free memory was 27.9 MB in the beginning and 26.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.35 ms. Allocated memory is still 50.3 MB. Free memory was 26.6 MB in the beginning and 25.7 MB in the end (delta: 905.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 262.67 ms. Allocated memory is still 50.3 MB. Free memory was 25.6 MB in the beginning and 28.7 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 818.39 ms. Allocated memory is still 50.3 MB. Free memory was 28.2 MB in the beginning and 21.8 MB in the end (delta: 6.4 MB). Peak memory consumption was 4.9 MB. Max. memory is 16.1 GB. * Witness Printer took 58.30 ms. Allocated memory is still 50.3 MB. Free memory was 21.8 MB in the beginning and 19.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: i <= 2147483647 && N <= 2147483647 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: ((i <= 2147483647 && N <= 2147483647) && 1 <= i) && j <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: i <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 27 SDtfs, 29 SDslu, 2 SDs, 0 SdLazy, 23 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...