./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 20ed64ec 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/bitvector/byte_add_2-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 0ce8ca4e0deac77c67f93865fe9306c44a834585 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 11:25:31,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 11:25:31,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 11:25:31,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 11:25:31,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 11:25:31,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 11:25:31,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 11:25:31,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 11:25:31,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 11:25:31,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 11:25:31,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 11:25:31,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 11:25:31,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 11:25:31,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 11:25:31,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 11:25:31,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 11:25:31,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 11:25:31,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 11:25:31,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 11:25:31,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 11:25:31,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 11:25:31,219 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 11:25:31,220 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 11:25:31,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 11:25:31,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 11:25:31,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 11:25:31,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 11:25:31,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 11:25:31,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 11:25:31,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 11:25:31,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 11:25:31,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 11:25:31,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 11:25:31,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 11:25:31,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 11:25:31,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 11:25:31,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 11:25:31,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 11:25:31,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 11:25:31,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 11:25:31,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 11:25:31,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-08-27 11:25:31,254 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 11:25:31,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 11:25:31,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 11:25:31,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 11:25:31,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 11:25:31,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 11:25:31,256 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 11:25:31,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 11:25:31,257 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-27 11:25:31,257 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 11:25:31,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-27 11:25:31,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-27 11:25:31,259 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 11:25:31,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-27 11:25:31,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 11:25:31,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 11:25:31,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 11:25:31,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:25:31,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 11:25:31,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 11:25:31,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-27 11:25:31,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 11:25:31,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 11:25:31,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-27 11:25:31,270 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 11:25:31,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ce8ca4e0deac77c67f93865fe9306c44a834585 [2021-08-27 11:25:31,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 11:25:31,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 11:25:31,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 11:25:31,609 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 11:25:31,610 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 11:25:31,611 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-08-27 11:25:31,663 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8287973/a3516e2a3ff9477e8cd116efdaed6186/FLAGa67e541d1 [2021-08-27 11:25:32,086 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 11:25:32,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-08-27 11:25:32,093 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8287973/a3516e2a3ff9477e8cd116efdaed6186/FLAGa67e541d1 [2021-08-27 11:25:32,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f8287973/a3516e2a3ff9477e8cd116efdaed6186 [2021-08-27 11:25:32,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 11:25:32,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-27 11:25:32,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 11:25:32,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 11:25:32,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 11:25:32,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3790f0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32, skipping insertion in model container [2021-08-27 11:25:32,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,148 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 11:25:32,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 11:25:32,262 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-08-27 11:25:32,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:25:32,297 INFO L203 MainTranslator]: Completed pre-run [2021-08-27 11:25:32,307 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-08-27 11:25:32,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-27 11:25:32,341 INFO L208 MainTranslator]: Completed translation [2021-08-27 11:25:32,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32 WrapperNode [2021-08-27 11:25:32,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 11:25:32,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-27 11:25:32,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-27 11:25:32,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-27 11:25:32,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-27 11:25:32,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-27 11:25:32,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-27 11:25:32,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-27 11:25:32,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,387 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-27 11:25:32,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-27 11:25:32,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-27 11:25:32,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-27 11:25:32,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (1/1) ... [2021-08-27 11:25:32,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 11:25:32,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-27 11:25:32,450 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) [2021-08-27 11:25:32,454 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 [2021-08-27 11:25:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-27 11:25:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-27 11:25:32,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-27 11:25:32,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-27 11:25:32,958 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-27 11:25:32,958 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-27 11:25:32,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:32 BoogieIcfgContainer [2021-08-27 11:25:32,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-27 11:25:32,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-27 11:25:32,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-27 11:25:32,964 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-27 11:25:32,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 11:25:32" (1/3) ... [2021-08-27 11:25:32,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c6b72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:25:32, skipping insertion in model container [2021-08-27 11:25:32,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 11:25:32" (2/3) ... [2021-08-27 11:25:32,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33c6b72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 11:25:32, skipping insertion in model container [2021-08-27 11:25:32,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:32" (3/3) ... [2021-08-27 11:25:32,967 INFO L111 eAbstractionObserver]: Analyzing ICFG byte_add_2-2.i [2021-08-27 11:25:32,972 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-27 11:25:32,972 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-08-27 11:25:33,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-27 11:25:33,015 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-08-27 11:25:33,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-08-27 11:25:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 73 states have (on average 1.904109589041096) internal successors, (139), 109 states have internal predecessors, (139), 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) [2021-08-27 11:25:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-08-27 11:25:33,034 INFO L504 BasicCegarLoop]: Found error trace [2021-08-27 11:25:33,035 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-08-27 11:25:33,035 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-08-27 11:25:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-27 11:25:33,040 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2021-08-27 11:25:33,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-27 11:25:33,048 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586975090] [2021-08-27 11:25:33,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-27 11:25:33,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-27 11:25:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-27 11:25:33,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-27 11:25:33,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-27 11:25:33,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586975090] [2021-08-27 11:25:33,228 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586975090] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-27 11:25:33,228 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-27 11:25:33,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-08-27 11:25:33,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834940767] [2021-08-27 11:25:33,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-27 11:25:33,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-27 11:25:33,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-27 11:25:33,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 11:25:33,257 INFO L87 Difference]: Start difference. First operand has 110 states, 73 states have (on average 1.904109589041096) internal successors, (139), 109 states have internal predecessors, (139), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-08-27 11:25:33,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-27 11:25:33,282 INFO L93 Difference]: Finished difference Result 128 states and 169 transitions. [2021-08-27 11:25:33,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-27 11:25:33,283 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2021-08-27 11:25:33,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-27 11:25:33,289 INFO L225 Difference]: With dead ends: 128 [2021-08-27 11:25:33,290 INFO L226 Difference]: Without dead ends: 0 [2021-08-27 11:25:33,293 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-27 11:25:33,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-27 11:25:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-27 11:25:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-08-27 11:25:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-27 11:25:33,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-08-27 11:25:33,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-27 11:25:33,311 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-27 11:25:33,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-08-27 11:25:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-27 11:25:33,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-27 11:25:33,316 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,317 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,318 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,319 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,319 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,319 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,319 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,320 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,321 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,322 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,323 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,323 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,323 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,324 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,324 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,324 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,325 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,325 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,325 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,326 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,326 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,326 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,326 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,327 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,327 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-08-27 11:25:33,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-27 11:25:33,330 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-27 11:25:33,333 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:33,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:33,336 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:33,337 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-27 11:25:33,355 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2021-08-27 11:25:33,355 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2021-08-27 11:25:33,355 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-08-27 11:25:33,355 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-08-27 11:25:33,355 INFO L857 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-08-27 11:25:33,356 INFO L857 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2021-08-27 11:25:33,356 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2021-08-27 11:25:33,357 INFO L857 garLoopResultBuilder]: For program point L102-1(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:33,357 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-27 11:25:33,357 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 58) no Hoare annotation was computed. [2021-08-27 11:25:33,358 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-08-27 11:25:33,358 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-08-27 11:25:33,359 INFO L857 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2021-08-27 11:25:33,361 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-08-27 11:25:33,361 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:33,361 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-08-27 11:25:33,361 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-08-27 11:25:33,362 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,362 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-08-27 11:25:33,362 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 57) no Hoare annotation was computed. [2021-08-27 11:25:33,363 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2021-08-27 11:25:33,363 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-08-27 11:25:33,369 INFO L860 garLoopResultBuilder]: At program point L72-2(lines 72 97) the Hoare annotation is: true [2021-08-27 11:25:33,369 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2021-08-27 11:25:33,369 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-27 11:25:33,369 INFO L857 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2021-08-27 11:25:33,369 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2021-08-27 11:25:33,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2021-08-27 11:25:33,370 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-27 11:25:33,370 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:33,371 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2021-08-27 11:25:33,371 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2021-08-27 11:25:33,371 INFO L857 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,371 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:33,371 INFO L857 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,372 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:33,372 INFO L857 garLoopResultBuilder]: For program point L108-2(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,372 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2021-08-27 11:25:33,373 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2021-08-27 11:25:33,374 INFO L860 garLoopResultBuilder]: At program point L125(lines 114 126) the Hoare annotation is: true [2021-08-27 11:25:33,376 INFO L857 garLoopResultBuilder]: For program point L92-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:33,376 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,376 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-08-27 11:25:33,376 INFO L857 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2021-08-27 11:25:33,377 INFO L857 garLoopResultBuilder]: For program point L76-2(line 76) no Hoare annotation was computed. [2021-08-27 11:25:33,377 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-08-27 11:25:33,377 INFO L857 garLoopResultBuilder]: For program point L76-4(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:33,377 INFO L857 garLoopResultBuilder]: For program point L93-1(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:33,377 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2021-08-27 11:25:33,377 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,378 INFO L860 garLoopResultBuilder]: At program point L110(lines 32 111) the Hoare annotation is: true [2021-08-27 11:25:33,378 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-27 11:25:33,378 INFO L857 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2021-08-27 11:25:33,378 INFO L857 garLoopResultBuilder]: For program point L77-3(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:33,378 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-08-27 11:25:33,378 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2021-08-27 11:25:33,379 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 69) no Hoare annotation was computed. [2021-08-27 11:25:33,379 INFO L857 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2021-08-27 11:25:33,379 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-27 11:25:33,379 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 61 69) no Hoare annotation was computed. [2021-08-27 11:25:33,379 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-08-27 11:25:33,379 INFO L857 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-08-27 11:25:33,380 INFO L857 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-08-27 11:25:33,380 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 75 80) no Hoare annotation was computed. [2021-08-27 11:25:33,380 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2021-08-27 11:25:33,380 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-27 11:25:33,380 INFO L857 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2021-08-27 11:25:33,381 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-08-27 11:25:33,381 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-08-27 11:25:33,381 INFO L857 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2021-08-27 11:25:33,381 INFO L857 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2021-08-27 11:25:33,381 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 68) no Hoare annotation was computed. [2021-08-27 11:25:33,382 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-08-27 11:25:33,382 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2021-08-27 11:25:33,382 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-08-27 11:25:33,383 INFO L857 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2021-08-27 11:25:33,383 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-08-27 11:25:33,383 INFO L857 garLoopResultBuilder]: For program point L81(lines 72 97) no Hoare annotation was computed. [2021-08-27 11:25:33,383 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2021-08-27 11:25:33,384 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 67) no Hoare annotation was computed. [2021-08-27 11:25:33,384 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-27 11:25:33,385 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2021-08-27 11:25:33,385 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2021-08-27 11:25:33,385 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-08-27 11:25:33,385 INFO L857 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-08-27 11:25:33,386 INFO L857 garLoopResultBuilder]: For program point L82-2(line 82) no Hoare annotation was computed. [2021-08-27 11:25:33,386 INFO L857 garLoopResultBuilder]: For program point L16(lines 16 18) no Hoare annotation was computed. [2021-08-27 11:25:33,386 INFO L857 garLoopResultBuilder]: For program point L82-4(lines 81 86) no Hoare annotation was computed. [2021-08-27 11:25:33,386 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-08-27 11:25:33,386 INFO L860 garLoopResultBuilder]: At program point L16-2(lines 15 20) the Hoare annotation is: true [2021-08-27 11:25:33,386 INFO L857 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2021-08-27 11:25:33,387 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 33 111) no Hoare annotation was computed. [2021-08-27 11:25:33,387 INFO L857 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2021-08-27 11:25:33,387 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:33,387 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2021-08-27 11:25:33,387 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2021-08-27 11:25:33,387 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-27 11:25:33,388 INFO L857 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2021-08-27 11:25:33,388 INFO L857 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2021-08-27 11:25:33,388 INFO L857 garLoopResultBuilder]: For program point L83-3(lines 81 86) no Hoare annotation was computed. [2021-08-27 11:25:33,388 INFO L857 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-08-27 11:25:33,388 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:33,388 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2021-08-27 11:25:33,389 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-08-27 11:25:33,389 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2021-08-27 11:25:33,389 INFO L857 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-08-27 11:25:33,389 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2021-08-27 11:25:33,389 INFO L857 garLoopResultBuilder]: For program point L84-3(lines 81 86) no Hoare annotation was computed. [2021-08-27 11:25:33,389 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2021-08-27 11:25:33,390 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 99 106) no Hoare annotation was computed. [2021-08-27 11:25:33,394 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-27 11:25:33,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 11:25:33 BoogieIcfgContainer [2021-08-27 11:25:33,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-27 11:25:33,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-27 11:25:33,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-27 11:25:33,407 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-27 11:25:33,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 11:25:32" (3/4) ... [2021-08-27 11:25:33,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-27 11:25:33,423 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-27 11:25:33,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-08-27 11:25:33,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:25:33,424 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-27 11:25:33,480 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-27 11:25:33,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-27 11:25:33,482 INFO L168 Benchmark]: Toolchain (without parser) took 1344.99 ms. Allocated memory is still 73.4 MB. Free memory was 58.2 MB in the beginning and 33.2 MB in the end (delta: 25.0 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:33,483 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:25:33,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.75 ms. Allocated memory is still 73.4 MB. Free memory was 58.2 MB in the beginning and 46.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:33,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.75 ms. Allocated memory is still 73.4 MB. Free memory was 46.9 MB in the beginning and 44.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:33,485 INFO L168 Benchmark]: Boogie Preprocessor took 21.94 ms. Allocated memory is still 73.4 MB. Free memory was 44.7 MB in the beginning and 43.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 11:25:33,486 INFO L168 Benchmark]: RCFGBuilder took 559.94 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 39.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:33,486 INFO L168 Benchmark]: TraceAbstraction took 442.73 ms. Allocated memory is still 73.4 MB. Free memory was 39.2 MB in the beginning and 38.3 MB in the end (delta: 908.4 kB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:33,486 INFO L168 Benchmark]: Witness Printer took 73.77 ms. Allocated memory is still 73.4 MB. Free memory was 38.3 MB in the beginning and 33.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-27 11:25:33,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory is still 55.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 203.75 ms. Allocated memory is still 73.4 MB. Free memory was 58.2 MB in the beginning and 46.9 MB in the end (delta: 11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.75 ms. Allocated memory is still 73.4 MB. Free memory was 46.9 MB in the beginning and 44.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.94 ms. Allocated memory is still 73.4 MB. Free memory was 44.7 MB in the beginning and 43.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 559.94 ms. Allocated memory is still 73.4 MB. Free memory was 43.2 MB in the beginning and 39.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 442.73 ms. Allocated memory is still 73.4 MB. Free memory was 39.2 MB in the beginning and 38.3 MB in the end (delta: 908.4 kB). Peak memory consumption was 1.1 MB. Max. memory is 16.1 GB. * Witness Printer took 73.77 ms. Allocated memory is still 73.4 MB. Free memory was 38.3 MB in the beginning and 33.2 MB in the end (delta: 5.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 110 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 384.9ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.3ms, AutomataDifference: 53.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 25.1ms, InitialAbstractionConstructionTime: 10.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 7 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 6.5ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 13.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 17.3ms SsaConstructionTime, 48.4ms SatisfiabilityAnalysisTime, 53.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 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 - AllSpecificationsHoldResult: All specifications hold 36 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-27 11:25:33,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...