./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_4-1.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_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer --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 711faf7685b3c3e4c3b713f323878d6dc1fd9b31 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:46:26,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:46:26,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:46:26,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:46:26,396 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:46:26,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:46:26,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:46:26,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:46:26,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:46:26,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:46:26,429 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:46:26,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:46:26,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:46:26,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:46:26,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:46:26,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:46:26,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:46:26,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:46:26,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:46:26,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:46:26,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:46:26,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:46:26,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:46:26,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:46:26,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:46:26,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:46:26,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:46:26,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:46:26,461 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:46:26,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:46:26,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:46:26,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:46:26,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:46:26,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:46:26,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:46:26,470 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:46:26,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:46:26,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:46:26,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:46:26,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:46:26,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:46:26,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 19:46:26,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:46:26,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:46:26,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:46:26,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:46:26,505 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:46:26,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:46:26,506 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:46:26,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:46:26,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:46:26,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:46:26,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:46:26,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:46:26,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:46:26,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:46:26,509 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 19:46:26,510 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:46:26,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:46:26,511 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:46:26,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:46:26,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:46:26,512 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:46:26,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:46:26,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:46:26,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:46:26,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:46:26,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:46:26,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:46:26,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:46:26,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:46:26,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:46:26,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:46:26,516 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:/tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 711faf7685b3c3e4c3b713f323878d6dc1fd9b31 [2020-11-29 19:46:26,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:46:26,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:46:26,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:46:26,909 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:46:26,910 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:46:26,911 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_4-1.c [2020-11-29 19:46:27,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/data/c0eb73897/b853199206a24418a5252a50620165ad/FLAG9903c51fa [2020-11-29 19:46:27,544 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:46:27,544 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/sv-benchmarks/c/bitvector/jain_4-1.c [2020-11-29 19:46:27,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/data/c0eb73897/b853199206a24418a5252a50620165ad/FLAG9903c51fa [2020-11-29 19:46:27,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/data/c0eb73897/b853199206a24418a5252a50620165ad [2020-11-29 19:46:27,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:46:27,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:46:27,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:46:27,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:46:27,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:46:27,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:46:27" (1/1) ... [2020-11-29 19:46:27,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a811ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:27, skipping insertion in model container [2020-11-29 19:46:27,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:46:27" (1/1) ... [2020-11-29 19:46:27,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:46:27,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:46:28,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:46:28,175 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:46:28,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:46:28,210 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:46:28,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28 WrapperNode [2020-11-29 19:46:28,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:46:28,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:46:28,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:46:28,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:46:28,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:46:28,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:46:28,255 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:46:28,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:46:28,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... [2020-11-29 19:46:28,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:46:28,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:46:28,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:46:28,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:46:28,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/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 [2020-11-29 19:46:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:46:28,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:46:28,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:46:28,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:46:28,923 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:46:28,927 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 19:46:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:46:28 BoogieIcfgContainer [2020-11-29 19:46:28,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:46:28,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:46:28,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:46:28,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:46:28,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:46:27" (1/3) ... [2020-11-29 19:46:28,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f03611d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:46:28, skipping insertion in model container [2020-11-29 19:46:28,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:46:28" (2/3) ... [2020-11-29 19:46:28,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f03611d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:46:28, skipping insertion in model container [2020-11-29 19:46:28,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:46:28" (3/3) ... [2020-11-29 19:46:28,945 INFO L111 eAbstractionObserver]: Analyzing ICFG jain_4-1.c [2020-11-29 19:46:28,962 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:46:28,967 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2020-11-29 19:46:28,981 INFO L253 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2020-11-29 19:46:29,025 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:46:29,025 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:46:29,025 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:46:29,025 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:46:29,026 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:46:29,026 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:46:29,026 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:46:29,026 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:46:29,052 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-11-29 19:46:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 19:46:29,058 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:46:29,059 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-29 19:46:29,062 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-29 19:46:29,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:46:29,071 INFO L82 PathProgramCache]: Analyzing trace with hash 925796, now seen corresponding path program 1 times [2020-11-29 19:46:29,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:46:29,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404678609] [2020-11-29 19:46:29,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:46:29,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:46:29,237 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:46:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:46:29,282 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:46:29,309 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:46:29,310 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:46:29,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:46:29,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:46:29 BoogieIcfgContainer [2020-11-29 19:46:29,343 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:46:29,346 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:46:29,346 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:46:29,347 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:46:29,347 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:46:28" (3/4) ... [2020-11-29 19:46:29,350 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:46:29,417 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f3a5e165-a8e0-473c-9d71-5a369d97bcab/bin/uautomizer/witness.graphml [2020-11-29 19:46:29,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:46:29,426 INFO L168 Benchmark]: Toolchain (without parser) took 1518.30 ms. Allocated memory is still 113.2 MB. Free memory was 80.0 MB in the beginning and 58.8 MB in the end (delta: 21.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:29,428 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 32.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:46:29,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.53 ms. Allocated memory is still 113.2 MB. Free memory was 79.8 MB in the beginning and 89.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:29,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.22 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 88.7 MB in the end (delta: 973.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:46:29,438 INFO L168 Benchmark]: Boogie Preprocessor took 25.42 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 87.6 MB in the end (delta: 560.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:46:29,439 INFO L168 Benchmark]: RCFGBuilder took 651.73 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 72.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:29,440 INFO L168 Benchmark]: TraceAbstraction took 407.26 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 60.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:29,441 INFO L168 Benchmark]: Witness Printer took 71.54 ms. Allocated memory is still 113.2 MB. Free memory was 60.3 MB in the beginning and 58.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:46:29,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 75.5 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 32.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 309.53 ms. Allocated memory is still 113.2 MB. Free memory was 79.8 MB in the beginning and 89.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.22 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 88.7 MB in the end (delta: 973.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.42 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 87.6 MB in the end (delta: 560.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 651.73 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 72.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 407.26 ms. Allocated memory is still 113.2 MB. Free memory was 72.3 MB in the beginning and 60.3 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 71.54 ms. Allocated memory is still 113.2 MB. Free memory was 60.3 MB in the beginning and 58.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x,y,z; [L16] x=0 [L17] y=0 [L18] z=0 [L20] COND TRUE 1 [L22] 4*__VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 16 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...