./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 791161d1 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-counterex1a.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 42fd1e2a21bb4aa2f573a30580825a1464ab84c04e62c9bfecea355146dac68c --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 13:18:25,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 13:18:25,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 13:18:25,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 13:18:25,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 13:18:25,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 13:18:25,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 13:18:25,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 13:18:25,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 13:18:25,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 13:18:25,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 13:18:25,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 13:18:25,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 13:18:25,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 13:18:25,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 13:18:25,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 13:18:25,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 13:18:25,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 13:18:25,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 13:18:25,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 13:18:25,273 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 13:18:25,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 13:18:25,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 13:18:25,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 13:18:25,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 13:18:25,279 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 13:18:25,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 13:18:25,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 13:18:25,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 13:18:25,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 13:18:25,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 13:18:25,282 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 13:18:25,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 13:18:25,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 13:18:25,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 13:18:25,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 13:18:25,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 13:18:25,285 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 13:18:25,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 13:18:25,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 13:18:25,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 13:18:25,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 13:18:25,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-07-23 13:18:25,309 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 13:18:25,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 13:18:25,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 13:18:25,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 13:18:25,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 13:18:25,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 13:18:25,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 13:18:25,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 13:18:25,311 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 13:18:25,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 13:18:25,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 13:18:25,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 13:18:25,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 13:18:25,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 13:18:25,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 13:18:25,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 13:18:25,313 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-07-23 13:18:25,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 13:18:25,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 13:18:25,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 13:18:25,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 13:18:25,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 13:18:25,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 13:18:25,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:18:25,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 13:18:25,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 13:18:25,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 13:18:25,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 13:18:25,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 13:18:25,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 13:18:25,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 42fd1e2a21bb4aa2f573a30580825a1464ab84c04e62c9bfecea355146dac68c [2022-07-23 13:18:25,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 13:18:25,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 13:18:25,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 13:18:25,565 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 13:18:25,566 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 13:18:25,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.c [2022-07-23 13:18:25,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9770e0df9/c43345a97a894299ad7b913e0280bc9b/FLAG6a28a7315 [2022-07-23 13:18:26,069 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 13:18:26,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1a.c [2022-07-23 13:18:26,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9770e0df9/c43345a97a894299ad7b913e0280bc9b/FLAG6a28a7315 [2022-07-23 13:18:26,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9770e0df9/c43345a97a894299ad7b913e0280bc9b [2022-07-23 13:18:26,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 13:18:26,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 13:18:26,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 13:18:26,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 13:18:26,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 13:18:26,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b932e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26, skipping insertion in model container [2022-07-23 13:18:26,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 13:18:26,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 13:18:26,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:18:26,303 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 13:18:26,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 13:18:26,325 INFO L208 MainTranslator]: Completed translation [2022-07-23 13:18:26,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26 WrapperNode [2022-07-23 13:18:26,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 13:18:26,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 13:18:26,327 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 13:18:26,327 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 13:18:26,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,351 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2022-07-23 13:18:26,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 13:18:26,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 13:18:26,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 13:18:26,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 13:18:26,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 13:18:26,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 13:18:26,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 13:18:26,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 13:18:26,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (1/1) ... [2022-07-23 13:18:26,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 13:18:26,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 13:18:26,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 13:18:26,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 13:18:26,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 13:18:26,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 13:18:26,470 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 13:18:26,471 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 13:18:26,561 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 13:18:26,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 13:18:26,568 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 13:18:26,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:18:26 BoogieIcfgContainer [2022-07-23 13:18:26,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 13:18:26,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 13:18:26,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 13:18:26,574 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 13:18:26,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:18:26" (1/3) ... [2022-07-23 13:18:26,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1befcae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:18:26, skipping insertion in model container [2022-07-23 13:18:26,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:18:26" (2/3) ... [2022-07-23 13:18:26,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1befcae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:18:26, skipping insertion in model container [2022-07-23 13:18:26,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:18:26" (3/3) ... [2022-07-23 13:18:26,577 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-counterex1a.c [2022-07-23 13:18:26,590 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 13:18:26,591 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-07-23 13:18:26,634 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 13:18:26,640 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@26d0b42a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1836521e [2022-07-23 13:18:26,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-07-23 13:18:26,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:18:26,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-23 13:18:26,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:18:26,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-23 13:18:26,651 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-07-23 13:18:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:18:26,656 INFO L85 PathProgramCache]: Analyzing trace with hash 28700137, now seen corresponding path program 1 times [2022-07-23 13:18:26,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:18:26,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238601734] [2022-07-23 13:18:26,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:18:26,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:18:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 13:18:26,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 13:18:26,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 13:18:26,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238601734] [2022-07-23 13:18:26,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238601734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 13:18:26,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 13:18:26,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-23 13:18:26,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721493131] [2022-07-23 13:18:26,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 13:18:26,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 13:18:26,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 13:18:26,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 13:18:26,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 13:18:26,807 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 21 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:18:26,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 13:18:26,850 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-07-23 13:18:26,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 13:18:26,853 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-07-23 13:18:26,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 13:18:26,860 INFO L225 Difference]: With dead ends: 42 [2022-07-23 13:18:26,861 INFO L226 Difference]: Without dead ends: 29 [2022-07-23 13:18:26,863 INFO L412 NwaCegarLoop]: 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 [2022-07-23 13:18:26,866 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 16 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 13:18:26,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 30 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 13:18:26,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-07-23 13:18:26,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2022-07-23 13:18:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.736842105263158) internal successors, (33), 24 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:18:26,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 33 transitions. [2022-07-23 13:18:26,900 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 33 transitions. Word has length 5 [2022-07-23 13:18:26,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 13:18:26,901 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 33 transitions. [2022-07-23 13:18:26,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 13:18:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-07-23 13:18:26,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-07-23 13:18:26,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 13:18:26,902 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-07-23 13:18:26,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 13:18:26,902 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-07-23 13:18:26,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 13:18:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2022-07-23 13:18:26,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 13:18:26,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786161301] [2022-07-23 13:18:26,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 13:18:26,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 13:18:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 13:18:26,925 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 13:18:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 13:18:26,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 13:18:26,944 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-23 13:18:26,946 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-07-23 13:18:26,948 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-07-23 13:18:26,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-07-23 13:18:26,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-07-23 13:18:26,949 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-07-23 13:18:26,950 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-07-23 13:18:26,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 13:18:26,953 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-23 13:18:26,959 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-23 13:18:26,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:18:26 BoogieIcfgContainer [2022-07-23 13:18:26,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-23 13:18:26,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 13:18:26,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 13:18:26,978 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 13:18:26,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:18:26" (3/4) ... [2022-07-23 13:18:26,980 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-23 13:18:27,006 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 13:18:27,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 13:18:27,007 INFO L158 Benchmark]: Toolchain (without parser) took 903.45ms. Allocated memory is still 130.0MB. Free memory was 94.0MB in the beginning and 67.8MB in the end (delta: 26.2MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-07-23 13:18:27,008 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 48.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:18:27,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.21ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 105.6MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:18:27,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.98ms. Allocated memory is still 130.0MB. Free memory was 105.6MB in the beginning and 104.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 13:18:27,009 INFO L158 Benchmark]: Boogie Preprocessor took 13.39ms. Allocated memory is still 130.0MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:18:27,010 INFO L158 Benchmark]: RCFGBuilder took 203.49ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 93.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-23 13:18:27,010 INFO L158 Benchmark]: TraceAbstraction took 405.81ms. Allocated memory is still 130.0MB. Free memory was 93.0MB in the beginning and 69.2MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-23 13:18:27,011 INFO L158 Benchmark]: Witness Printer took 28.73ms. Allocated memory is still 130.0MB. Free memory was 69.2MB in the beginning and 67.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 13:18:27,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 48.2MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.21ms. Allocated memory is still 130.0MB. Free memory was 93.8MB in the beginning and 105.6MB in the end (delta: -11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.98ms. Allocated memory is still 130.0MB. Free memory was 105.6MB in the beginning and 104.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.39ms. Allocated memory is still 130.0MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 203.49ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 93.6MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 405.81ms. Allocated memory is still 130.0MB. Free memory was 93.0MB in the beginning and 69.2MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 28.73ms. Allocated memory is still 130.0MB. Free memory was 69.2MB in the beginning and 67.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y, n, b; [L15] n = __VERIFIER_nondet_int() [L16] b = __VERIFIER_nondet_int() [L17] x = __VERIFIER_nondet_int() [L18] y = __VERIFIER_nondet_int() [L19] COND TRUE x >= 0 && 0 <= y && y <= n VAL [b=0, n=2147483647, x=0, y=2147483647] [L20] COND TRUE b == 0 VAL [b=0, n=2147483647, x=0, y=2147483647] [L21] y + 1 VAL [b=0, n=2147483647, x=0, y=2147483647] - UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 26]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=1, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 incorrect! [2022-07-23 13:18:27,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)