./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 26d01a9c 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/Toulouse-BranchesToLoop-1.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 1a04581cc7f83a3c0d94bef2e158c8551d743afad821957a4d68b93b29e575de --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 07:59:29,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:59:29,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:59:29,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:59:29,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:59:29,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:59:29,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:59:29,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:59:29,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:59:29,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:59:29,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:59:29,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:59:29,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:59:29,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:59:29,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:59:29,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:59:29,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:59:29,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:59:29,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:59:29,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:59:29,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:59:29,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:59:29,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:59:29,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:59:29,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:59:29,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:59:29,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:59:29,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:59:29,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:59:29,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:59:29,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:59:29,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:59:29,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:59:29,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:59:29,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:59:29,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:59:29,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:59:29,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:59:29,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:59:29,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:59:29,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:59:29,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-18 07:59:29,285 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:59:29,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:59:29,286 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:59:29,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:59:29,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:59:29,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:59:29,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:59:29,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:59:29,288 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:59:29,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:59:29,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:59:29,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:59:29,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:59:29,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 07:59:29,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:59:29,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 07:59:29,290 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-18 07:59:29,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 07:59:29,290 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:59:29,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 07:59:29,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:59:29,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:59:29,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:59:29,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:59:29,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:59:29,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:59:29,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 07:59:29,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 07:59:29,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 07:59:29,293 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:59:29,293 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 07:59:29,293 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:59:29,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:59:29,293 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:59:29,294 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a04581cc7f83a3c0d94bef2e158c8551d743afad821957a4d68b93b29e575de [2023-02-18 07:59:29,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:59:29,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:59:29,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:59:29,565 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:59:29,566 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:59:29,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-1.c [2023-02-18 07:59:30,822 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:59:30,993 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:59:30,994 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-1.c [2023-02-18 07:59:30,999 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a89c5eb2/6296bce931f7480e82cff8e69f0fa53d/FLAGebb7f7705 [2023-02-18 07:59:31,011 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a89c5eb2/6296bce931f7480e82cff8e69f0fa53d [2023-02-18 07:59:31,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:59:31,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:59:31,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:59:31,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:59:31,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:59:31,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d15135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31, skipping insertion in model container [2023-02-18 07:59:31,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:59:31,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:59:31,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:59:31,154 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 07:59:31,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 07:59:31,174 INFO L208 MainTranslator]: Completed translation [2023-02-18 07:59:31,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31 WrapperNode [2023-02-18 07:59:31,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:59:31,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 07:59:31,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 07:59:31,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 07:59:31,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,198 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-02-18 07:59:31,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 07:59:31,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 07:59:31,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 07:59:31,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 07:59:31,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,213 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 07:59:31,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 07:59:31,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 07:59:31,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 07:59:31,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (1/1) ... [2023-02-18 07:59:31,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:59:31,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 07:59:31,254 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) [2023-02-18 07:59:31,264 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 [2023-02-18 07:59:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 07:59:31,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 07:59:31,355 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 07:59:31,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 07:59:31,461 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 07:59:31,468 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 07:59:31,468 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 07:59:31,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:59:31 BoogieIcfgContainer [2023-02-18 07:59:31,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 07:59:31,473 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 07:59:31,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 07:59:31,476 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 07:59:31,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:59:31" (1/3) ... [2023-02-18 07:59:31,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc65a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:59:31, skipping insertion in model container [2023-02-18 07:59:31,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:59:31" (2/3) ... [2023-02-18 07:59:31,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fc65a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:59:31, skipping insertion in model container [2023-02-18 07:59:31,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:59:31" (3/3) ... [2023-02-18 07:59:31,486 INFO L112 eAbstractionObserver]: Analyzing ICFG Toulouse-BranchesToLoop-1.c [2023-02-18 07:59:31,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 07:59:31,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-02-18 07:59:31,563 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 07:59:31,568 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=PETRI_NET, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6453da8c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 07:59:31,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-02-18 07:59:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 15 states have internal predecessors, (18), 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) [2023-02-18 07:59:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 07:59:31,576 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:59:31,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 07:59:31,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:59:31,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:59:31,584 INFO L85 PathProgramCache]: Analyzing trace with hash 28694051, now seen corresponding path program 1 times [2023-02-18 07:59:31,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:59:31,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936642348] [2023-02-18 07:59:31,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:59:31,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:59:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 07:59:31,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-18 07:59:31,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 07:59:31,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936642348] [2023-02-18 07:59:31,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936642348] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 07:59:31,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 07:59:31,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-18 07:59:31,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072919915] [2023-02-18 07:59:31,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 07:59:31,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-18 07:59:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 07:59:31,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-18 07:59:31,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-18 07:59:31,777 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 15 states have internal predecessors, (18), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-18 07:59:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 07:59:31,900 INFO L93 Difference]: Finished difference Result 41 states and 45 transitions. [2023-02-18 07:59:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-18 07:59:31,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2023-02-18 07:59:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 07:59:31,908 INFO L225 Difference]: With dead ends: 41 [2023-02-18 07:59:31,908 INFO L226 Difference]: Without dead ends: 24 [2023-02-18 07:59:31,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-18 07:59:31,915 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 27 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 07:59:31,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 23 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 07:59:31,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-18 07:59:31,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 14. [2023-02-18 07:59:31,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.5) internal successors, (15), 13 states have internal predecessors, (15), 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) [2023-02-18 07:59:31,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2023-02-18 07:59:31,950 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 5 [2023-02-18 07:59:31,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 07:59:31,951 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2023-02-18 07:59:31,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2023-02-18 07:59:31,951 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-02-18 07:59:31,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-02-18 07:59:31,951 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 07:59:31,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-02-18 07:59:31,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-18 07:59:31,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-02-18 07:59:31,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 07:59:31,953 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2023-02-18 07:59:31,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 07:59:31,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148268383] [2023-02-18 07:59:31,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 07:59:31,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 07:59:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 07:59:31,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-18 07:59:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-18 07:59:31,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-18 07:59:31,998 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-18 07:59:32,000 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-02-18 07:59:32,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-02-18 07:59:32,002 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-02-18 07:59:32,003 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-02-18 07:59:32,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-18 07:59:32,006 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-02-18 07:59:32,010 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 07:59:32,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 07:59:32 BoogieIcfgContainer [2023-02-18 07:59:32,033 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 07:59:32,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 07:59:32,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 07:59:32,034 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 07:59:32,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:59:31" (3/4) ... [2023-02-18 07:59:32,037 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-18 07:59:32,071 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 07:59:32,071 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 07:59:32,071 INFO L158 Benchmark]: Toolchain (without parser) took 1056.78ms. Allocated memory is still 130.0MB. Free memory was 86.9MB in the beginning and 92.5MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:59:32,072 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory was 101.4MB in the beginning and 101.4MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:59:32,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.20ms. Allocated memory is still 130.0MB. Free memory was 86.4MB in the beginning and 77.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 07:59:32,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.29ms. Allocated memory is still 130.0MB. Free memory was 77.3MB in the beginning and 75.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:59:32,073 INFO L158 Benchmark]: Boogie Preprocessor took 14.97ms. Allocated memory is still 130.0MB. Free memory was 75.9MB in the beginning and 75.2MB in the end (delta: 719.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 07:59:32,073 INFO L158 Benchmark]: RCFGBuilder took 254.90ms. Allocated memory is still 130.0MB. Free memory was 75.2MB in the beginning and 66.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-18 07:59:32,073 INFO L158 Benchmark]: TraceAbstraction took 560.31ms. Allocated memory is still 130.0MB. Free memory was 65.5MB in the beginning and 93.9MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:59:32,074 INFO L158 Benchmark]: Witness Printer took 36.98ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 92.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 07:59:32,075 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory was 101.4MB in the beginning and 101.4MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.20ms. Allocated memory is still 130.0MB. Free memory was 86.4MB in the beginning and 77.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.29ms. Allocated memory is still 130.0MB. Free memory was 77.3MB in the beginning and 75.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.97ms. Allocated memory is still 130.0MB. Free memory was 75.9MB in the beginning and 75.2MB in the end (delta: 719.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 254.90ms. Allocated memory is still 130.0MB. Free memory was 75.2MB in the beginning and 66.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 560.31ms. Allocated memory is still 130.0MB. Free memory was 65.5MB in the beginning and 93.9MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.98ms. Allocated memory is still 130.0MB. Free memory was 93.9MB in the beginning and 92.5MB 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 VAL [x=-1, y=-2147483648, z=0] [L24] COND TRUE y<100 && z<100 VAL [x=-1, y=-2147483648, z=0] [L25] y+x VAL [x=-1, y=-2147483648, z=0] - UnprovableResult [Line: 25]: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 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! [2023-02-18 07:59:32,091 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)