./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 04feb5c83918fd751a112898fdf968c7fd7558ae ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:05:36,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:05:36,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:05:36,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:05:36,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:05:36,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:05:36,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:05:36,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:05:36,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:05:36,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:05:36,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:05:36,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:05:36,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:05:36,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:05:36,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:05:36,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:05:36,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:05:36,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:05:36,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:05:36,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:05:36,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:05:36,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:05:36,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:05:36,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:05:36,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:05:36,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:05:36,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:05:36,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:05:36,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:05:36,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:05:36,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:05:36,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:05:36,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:05:36,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:05:36,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:05:36,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:05:36,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:05:36,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:05:36,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:05:36,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:05:36,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:05:36,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-22 13:05:36,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:05:36,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:05:36,370 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:05:36,370 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:05:36,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:05:36,370 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:05:36,371 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:05:36,371 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:05:36,371 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:05:36,371 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:05:36,371 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:05:36,372 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:05:36,372 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:05:36,372 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:05:36,372 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:05:36,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:05:36,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:05:36,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:05:36,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:05:36,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:05:36,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:05:36,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:05:36,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:05:36,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:05:36,375 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 13:05:36,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:05:36,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:05:36,376 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:05:36,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:05:36,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:05:36,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:05:36,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:05:36,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:36,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:05:36,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:05:36,378 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:05:36,378 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:05:36,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:05:36,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:05:36,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:05:36,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:05:36,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04feb5c83918fd751a112898fdf968c7fd7558ae [2020-11-22 13:05:36,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:05:36,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:05:36,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:05:36,627 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:05:36,628 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:05:36,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-11-22 13:05:36,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/data/e041688ac/e790e9e542284218b85a52563cab2420/FLAGa1c4af814 [2020-11-22 13:05:37,218 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:05:37,218 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2020-11-22 13:05:37,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/data/e041688ac/e790e9e542284218b85a52563cab2420/FLAGa1c4af814 [2020-11-22 13:05:37,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/data/e041688ac/e790e9e542284218b85a52563cab2420 [2020-11-22 13:05:37,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:05:37,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:05:37,596 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:37,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:05:37,600 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:05:37,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:37" (1/1) ... [2020-11-22 13:05:37,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e12f657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:37, skipping insertion in model container [2020-11-22 13:05:37,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:05:37" (1/1) ... [2020-11-22 13:05:37,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:05:37,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:05:37,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:37,945 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:05:38,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:05:38,045 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:05:38,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38 WrapperNode [2020-11-22 13:05:38,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:05:38,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:38,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:05:38,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:05:38,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:05:38,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:05:38,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:05:38,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:05:38,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... [2020-11-22 13:05:38,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:05:38,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:05:38,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:05:38,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:05:38,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:05:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:05:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:05:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:05:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:05:38,474 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-22 13:05:39,221 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2020-11-22 13:05:39,221 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2020-11-22 13:05:39,631 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:05:39,632 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 13:05:39,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:39 BoogieIcfgContainer [2020-11-22 13:05:39,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:05:39,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:05:39,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:05:39,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:05:39,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:05:37" (1/3) ... [2020-11-22 13:05:39,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee1b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:39, skipping insertion in model container [2020-11-22 13:05:39,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:05:38" (2/3) ... [2020-11-22 13:05:39,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ee1b0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:05:39, skipping insertion in model container [2020-11-22 13:05:39,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:39" (3/3) ... [2020-11-22 13:05:39,642 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2020-11-22 13:05:39,653 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:05:39,657 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-22 13:05:39,669 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-22 13:05:39,692 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:05:39,692 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:05:39,692 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:05:39,692 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:05:39,692 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:05:39,693 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:05:39,693 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:05:39,693 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:05:39,709 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2020-11-22 13:05:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 13:05:39,714 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:05:39,715 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:05:39,715 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-22 13:05:39,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:05:39,721 INFO L82 PathProgramCache]: Analyzing trace with hash 910327060, now seen corresponding path program 1 times [2020-11-22 13:05:39,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:05:39,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046927240] [2020-11-22 13:05:39,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:05:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:05:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:05:39,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046927240] [2020-11-22 13:05:39,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:05:39,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:05:39,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183181703] [2020-11-22 13:05:39,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:05:39,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:05:39,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:05:39,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:39,917 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 2 states. [2020-11-22 13:05:39,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:05:39,961 INFO L93 Difference]: Finished difference Result 206 states and 355 transitions. [2020-11-22 13:05:39,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:05:39,962 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-22 13:05:39,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:05:39,968 INFO L225 Difference]: With dead ends: 206 [2020-11-22 13:05:39,968 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:05:39,972 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:05:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:05:39,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:05:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:05:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:05:40,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-11-22 13:05:40,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:05:40,006 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:05:40,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:05:40,006 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:05:40,006 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:05:40,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:05:40,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:05:40,095 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 269) no Hoare annotation was computed. [2020-11-22 13:05:40,095 INFO L274 CegarLoopResult]: For program point L630(lines 630 654) no Hoare annotation was computed. [2020-11-22 13:05:40,095 INFO L274 CegarLoopResult]: For program point L498(lines 498 502) no Hoare annotation was computed. [2020-11-22 13:05:40,096 INFO L274 CegarLoopResult]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2020-11-22 13:05:40,096 INFO L274 CegarLoopResult]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2020-11-22 13:05:40,096 INFO L274 CegarLoopResult]: For program point L267(line 267) no Hoare annotation was computed. [2020-11-22 13:05:40,096 INFO L274 CegarLoopResult]: For program point L267-1(line 267) no Hoare annotation was computed. [2020-11-22 13:05:40,096 INFO L274 CegarLoopResult]: For program point L631(lines 631 640) no Hoare annotation was computed. [2020-11-22 13:05:40,096 INFO L274 CegarLoopResult]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L274 CegarLoopResult]: For program point L466(lines 466 470) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L274 CegarLoopResult]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L274 CegarLoopResult]: For program point L235(lines 235 240) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L274 CegarLoopResult]: For program point L202(lines 202 596) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L274 CegarLoopResult]: For program point L169(lines 169 607) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L274 CegarLoopResult]: For program point L136(lines 136 618) no Hoare annotation was computed. [2020-11-22 13:05:40,097 INFO L277 CegarLoopResult]: At program point L103-2(lines 103 659) the Hoare annotation is: true [2020-11-22 13:05:40,098 INFO L274 CegarLoopResult]: For program point L269(line 269) no Hoare annotation was computed. [2020-11-22 13:05:40,098 INFO L274 CegarLoopResult]: For program point L269-1(line 269) no Hoare annotation was computed. [2020-11-22 13:05:40,102 INFO L277 CegarLoopResult]: At program point L170(lines 169 607) the Hoare annotation is: true [2020-11-22 13:05:40,102 INFO L277 CegarLoopResult]: At program point L137(lines 130 620) the Hoare annotation is: true [2020-11-22 13:05:40,102 INFO L274 CegarLoopResult]: For program point L633(lines 633 637) no Hoare annotation was computed. [2020-11-22 13:05:40,102 INFO L277 CegarLoopResult]: At program point L205(lines 205 595) the Hoare annotation is: true [2020-11-22 13:05:40,103 INFO L274 CegarLoopResult]: For program point L172(lines 172 606) no Hoare annotation was computed. [2020-11-22 13:05:40,103 INFO L274 CegarLoopResult]: For program point L139(lines 139 617) no Hoare annotation was computed. [2020-11-22 13:05:40,103 INFO L277 CegarLoopResult]: At program point L106(lines 106 628) the Hoare annotation is: true [2020-11-22 13:05:40,103 INFO L274 CegarLoopResult]: For program point L338(lines 338 342) no Hoare annotation was computed. [2020-11-22 13:05:40,103 INFO L277 CegarLoopResult]: At program point L206(lines 202 596) the Hoare annotation is: true [2020-11-22 13:05:40,104 INFO L274 CegarLoopResult]: For program point L471(lines 471 482) no Hoare annotation was computed. [2020-11-22 13:05:40,104 INFO L274 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2020-11-22 13:05:40,104 INFO L277 CegarLoopResult]: At program point L372(lines 355 390) the Hoare annotation is: true [2020-11-22 13:05:40,104 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2020-11-22 13:05:40,104 INFO L277 CegarLoopResult]: At program point L406(lines 397 428) the Hoare annotation is: true [2020-11-22 13:05:40,105 INFO L274 CegarLoopResult]: For program point L241(lines 241 246) no Hoare annotation was computed. [2020-11-22 13:05:40,105 INFO L274 CegarLoopResult]: For program point L175(lines 175 605) no Hoare annotation was computed. [2020-11-22 13:05:40,105 INFO L274 CegarLoopResult]: For program point L142(lines 142 616) no Hoare annotation was computed. [2020-11-22 13:05:40,105 INFO L274 CegarLoopResult]: For program point L109(lines 109 627) no Hoare annotation was computed. [2020-11-22 13:05:40,105 INFO L274 CegarLoopResult]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-11-22 13:05:40,105 INFO L277 CegarLoopResult]: At program point L176(lines 172 606) the Hoare annotation is: true [2020-11-22 13:05:40,105 INFO L277 CegarLoopResult]: At program point L143(lines 139 617) the Hoare annotation is: true [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L408(lines 408 414) no Hoare annotation was computed. [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L475(lines 475 479) no Hoare annotation was computed. [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L277(lines 277 281) no Hoare annotation was computed. [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L178(lines 178 604) no Hoare annotation was computed. [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L145(lines 145 615) no Hoare annotation was computed. [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L112(lines 112 626) no Hoare annotation was computed. [2020-11-22 13:05:40,106 INFO L274 CegarLoopResult]: For program point L509(lines 509 513) no Hoare annotation was computed. [2020-11-22 13:05:40,107 INFO L277 CegarLoopResult]: At program point L675(lines 68 677) the Hoare annotation is: true [2020-11-22 13:05:40,107 INFO L274 CegarLoopResult]: For program point L543(lines 543 548) no Hoare annotation was computed. [2020-11-22 13:05:40,107 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 269) no Hoare annotation was computed. [2020-11-22 13:05:40,107 INFO L274 CegarLoopResult]: For program point L181(lines 181 603) no Hoare annotation was computed. [2020-11-22 13:05:40,107 INFO L274 CegarLoopResult]: For program point L148(lines 148 614) no Hoare annotation was computed. [2020-11-22 13:05:40,107 INFO L274 CegarLoopResult]: For program point L115(lines 115 625) no Hoare annotation was computed. [2020-11-22 13:05:40,107 INFO L274 CegarLoopResult]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2020-11-22 13:05:40,108 INFO L277 CegarLoopResult]: At program point L182(lines 178 604) the Hoare annotation is: true [2020-11-22 13:05:40,109 INFO L277 CegarLoopResult]: At program point L149(lines 145 615) the Hoare annotation is: true [2020-11-22 13:05:40,109 INFO L277 CegarLoopResult]: At program point L216(lines 109 627) the Hoare annotation is: true [2020-11-22 13:05:40,110 INFO L274 CegarLoopResult]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2020-11-22 13:05:40,110 INFO L274 CegarLoopResult]: For program point L184(lines 184 602) no Hoare annotation was computed. [2020-11-22 13:05:40,110 INFO L274 CegarLoopResult]: For program point L151(lines 151 613) no Hoare annotation was computed. [2020-11-22 13:05:40,110 INFO L274 CegarLoopResult]: For program point L118(lines 118 624) no Hoare annotation was computed. [2020-11-22 13:05:40,110 INFO L277 CegarLoopResult]: At program point L416(lines 407 427) the Hoare annotation is: true [2020-11-22 13:05:40,111 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:05:40,111 INFO L274 CegarLoopResult]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2020-11-22 13:05:40,111 INFO L274 CegarLoopResult]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2020-11-22 13:05:40,111 INFO L274 CegarLoopResult]: For program point L451(lines 451 456) no Hoare annotation was computed. [2020-11-22 13:05:40,112 INFO L274 CegarLoopResult]: For program point L187(lines 187 601) no Hoare annotation was computed. [2020-11-22 13:05:40,112 INFO L274 CegarLoopResult]: For program point L154(lines 154 612) no Hoare annotation was computed. [2020-11-22 13:05:40,112 INFO L274 CegarLoopResult]: For program point L121(lines 121 623) no Hoare annotation was computed. [2020-11-22 13:05:40,112 INFO L274 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2020-11-22 13:05:40,112 INFO L277 CegarLoopResult]: At program point L188(lines 184 602) the Hoare annotation is: true [2020-11-22 13:05:40,112 INFO L277 CegarLoopResult]: At program point L155(lines 151 613) the Hoare annotation is: true [2020-11-22 13:05:40,112 INFO L274 CegarLoopResult]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2020-11-22 13:05:40,113 INFO L277 CegarLoopResult]: At program point L553(lines 553 557) the Hoare annotation is: true [2020-11-22 13:05:40,113 INFO L274 CegarLoopResult]: For program point L487(lines 487 491) no Hoare annotation was computed. [2020-11-22 13:05:40,113 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:05:40,113 INFO L274 CegarLoopResult]: For program point L190(lines 190 600) no Hoare annotation was computed. [2020-11-22 13:05:40,113 INFO L274 CegarLoopResult]: For program point L157(lines 157 611) no Hoare annotation was computed. [2020-11-22 13:05:40,113 INFO L274 CegarLoopResult]: For program point L124(lines 124 622) no Hoare annotation was computed. [2020-11-22 13:05:40,113 INFO L277 CegarLoopResult]: At program point L125(lines 121 623) the Hoare annotation is: true [2020-11-22 13:05:40,113 INFO L274 CegarLoopResult]: For program point L258(lines 258 271) no Hoare annotation was computed. [2020-11-22 13:05:40,114 INFO L274 CegarLoopResult]: For program point L358(lines 358 389) no Hoare annotation was computed. [2020-11-22 13:05:40,114 INFO L274 CegarLoopResult]: For program point L259(lines 259 264) no Hoare annotation was computed. [2020-11-22 13:05:40,114 INFO L274 CegarLoopResult]: For program point L193(lines 193 599) no Hoare annotation was computed. [2020-11-22 13:05:40,114 INFO L274 CegarLoopResult]: For program point L160(lines 160 610) no Hoare annotation was computed. [2020-11-22 13:05:40,114 INFO L277 CegarLoopResult]: At program point L127(lines 127 621) the Hoare annotation is: true [2020-11-22 13:05:40,114 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2020-11-22 13:05:40,114 INFO L274 CegarLoopResult]: For program point L524(lines 524 529) no Hoare annotation was computed. [2020-11-22 13:05:40,115 INFO L277 CegarLoopResult]: At program point L194(lines 190 600) the Hoare annotation is: true [2020-11-22 13:05:40,115 INFO L277 CegarLoopResult]: At program point L161(lines 157 611) the Hoare annotation is: true [2020-11-22 13:05:40,115 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2020-11-22 13:05:40,115 INFO L277 CegarLoopResult]: At program point L591(lines 103 659) the Hoare annotation is: true [2020-11-22 13:05:40,115 INFO L274 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-11-22 13:05:40,115 INFO L274 CegarLoopResult]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L361(lines 361 388) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L196(lines 196 598) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L163(lines 163 609) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L130(lines 130 620) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L362(lines 362 385) no Hoare annotation was computed. [2020-11-22 13:05:40,116 INFO L277 CegarLoopResult]: At program point L660(lines 102 661) the Hoare annotation is: true [2020-11-22 13:05:40,116 INFO L274 CegarLoopResult]: For program point L397(lines 397 428) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L199(lines 199 597) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L166(lines 166 608) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L133(lines 133 619) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L629(lines 629 657) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L365(lines 365 384) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L266(line 266) no Hoare annotation was computed. [2020-11-22 13:05:40,117 INFO L274 CegarLoopResult]: For program point L233(lines 233 250) no Hoare annotation was computed. [2020-11-22 13:05:40,118 INFO L277 CegarLoopResult]: At program point L200(lines 196 598) the Hoare annotation is: true [2020-11-22 13:05:40,118 INFO L277 CegarLoopResult]: At program point L167(lines 163 609) the Hoare annotation is: true [2020-11-22 13:05:40,118 INFO L274 CegarLoopResult]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2020-11-22 13:05:40,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:05:40 BoogieIcfgContainer [2020-11-22 13:05:40,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:05:40,129 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:05:40,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:05:40,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:05:40,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:05:39" (3/4) ... [2020-11-22 13:05:40,133 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:05:40,157 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2020-11-22 13:05:40,158 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-22 13:05:40,159 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:05:40,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:05:40,326 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_864f4b1c-2b82-4d15-85fe-595c2290081a/bin/utaipan/witness.graphml [2020-11-22 13:05:40,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:05:40,333 INFO L168 Benchmark]: Toolchain (without parser) took 2737.17 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 98.4 MB in the beginning and 129.2 MB in the end (delta: -30.8 MB). Peak memory consumption was 46.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,333 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:05:40,334 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.85 ms. Allocated memory is still 127.9 MB. Free memory was 98.4 MB in the beginning and 101.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.43 ms. Allocated memory is still 127.9 MB. Free memory was 101.0 MB in the beginning and 98.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,335 INFO L168 Benchmark]: Boogie Preprocessor took 48.51 ms. Allocated memory is still 127.9 MB. Free memory was 98.3 MB in the beginning and 96.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,336 INFO L168 Benchmark]: RCFGBuilder took 1452.77 ms. Allocated memory is still 127.9 MB. Free memory was 96.2 MB in the beginning and 91.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,336 INFO L168 Benchmark]: TraceAbstraction took 492.81 ms. Allocated memory is still 127.9 MB. Free memory was 90.8 MB in the beginning and 62.8 MB in the end (delta: 28.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,337 INFO L168 Benchmark]: Witness Printer took 202.09 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 62.8 MB in the beginning and 129.2 MB in the end (delta: -66.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:05:40,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 51.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 455.85 ms. Allocated memory is still 127.9 MB. Free memory was 98.4 MB in the beginning and 101.0 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.43 ms. Allocated memory is still 127.9 MB. Free memory was 101.0 MB in the beginning and 98.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.51 ms. Allocated memory is still 127.9 MB. Free memory was 98.3 MB in the beginning and 96.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1452.77 ms. Allocated memory is still 127.9 MB. Free memory was 96.2 MB in the beginning and 91.6 MB in the end (delta: 4.6 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 492.81 ms. Allocated memory is still 127.9 MB. Free memory was 90.8 MB in the beginning and 62.8 MB in the end (delta: 28.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 202.09 ms. Allocated memory was 127.9 MB in the beginning and 155.2 MB in the end (delta: 27.3 MB). Free memory was 62.8 MB in the beginning and 129.2 MB in the end (delta: -66.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 52 NumberOfFragments, 26 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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 correct! Received shutdown request...