./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition03-2.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_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Addition03-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/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 e0d1a1884709d780707fce221b346fe4b8122630 ............................................................................................................................................................................................................................................ 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 [2020-11-28 03:07:21,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:07:21,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:07:21,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:07:21,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:07:21,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:07:21,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:07:21,937 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:07:21,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:07:21,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:07:21,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:07:21,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:07:21,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:07:21,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:07:21,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:07:21,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:07:21,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:07:21,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:07:21,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:07:21,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:07:21,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:07:21,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:07:21,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:07:21,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:07:22,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:07:22,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:07:22,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:07:22,014 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:07:22,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:07:22,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:07:22,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:07:22,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:07:22,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:07:22,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:07:22,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:07:22,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:07:22,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:07:22,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:07:22,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:07:22,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:07:22,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:07:22,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-28 03:07:22,083 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:07:22,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:07:22,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:07:22,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:07:22,086 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:07:22,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:07:22,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:07:22,087 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:07:22,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:07:22,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:07:22,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:07:22,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:07:22,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:07:22,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:07:22,091 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:07:22,091 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:07:22,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:07:22,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:07:22,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:07:22,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:07:22,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:07:22,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:07:22,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:07:22,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:07:22,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:07:22,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:07:22,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:07:22,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:07:22,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:07:22,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:07:22,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:07:22,096 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_72224f33-7103-4622-9478-4055f18c1254/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0d1a1884709d780707fce221b346fe4b8122630 [2020-11-28 03:07:22,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:07:22,567 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:07:22,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:07:22,575 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:07:22,576 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:07:22,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/../../sv-benchmarks/c/recursive/Addition03-2.c [2020-11-28 03:07:22,688 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/data/ff29b77b4/1f83f8290dbc436a8fe8c09026810f6a/FLAGa3f86de7f [2020-11-28 03:07:23,364 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:07:23,366 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/sv-benchmarks/c/recursive/Addition03-2.c [2020-11-28 03:07:23,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/data/ff29b77b4/1f83f8290dbc436a8fe8c09026810f6a/FLAGa3f86de7f [2020-11-28 03:07:23,717 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/data/ff29b77b4/1f83f8290dbc436a8fe8c09026810f6a [2020-11-28 03:07:23,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:07:23,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:07:23,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:23,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:07:23,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:07:23,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2640104a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:23, skipping insertion in model container [2020-11-28 03:07:23,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:07:23" (1/1) ... [2020-11-28 03:07:23,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:07:23,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:07:24,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:24,100 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:07:24,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:07:24,159 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:07:24,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24 WrapperNode [2020-11-28 03:07:24,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:07:24,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:24,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:07:24,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:07:24,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,186 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:07:24,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:07:24,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:07:24,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:07:24,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... [2020-11-28 03:07:24,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:07:24,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:07:24,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:07:24,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:07:24,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/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 [2020-11-28 03:07:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:07:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:07:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:07:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:07:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-11-28 03:07:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-11-28 03:07:24,924 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:07:24,925 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:07:24,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:24 BoogieIcfgContainer [2020-11-28 03:07:24,928 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:07:24,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:07:24,931 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:07:24,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:07:24,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:07:23" (1/3) ... [2020-11-28 03:07:24,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f321fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:24, skipping insertion in model container [2020-11-28 03:07:24,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:07:24" (2/3) ... [2020-11-28 03:07:24,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f321fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:07:24, skipping insertion in model container [2020-11-28 03:07:24,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:24" (3/3) ... [2020-11-28 03:07:24,941 INFO L111 eAbstractionObserver]: Analyzing ICFG Addition03-2.c [2020-11-28 03:07:24,955 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:07:24,961 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-28 03:07:24,982 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-28 03:07:25,039 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:07:25,041 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:07:25,042 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:07:25,042 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:07:25,042 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:07:25,042 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:07:25,043 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:07:25,043 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:07:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-11-28 03:07:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:07:25,074 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:07:25,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:07:25,075 INFO L429 AbstractCegarLoop]: === Iteration 1 === [additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:07:25,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:07:25,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1847695605, now seen corresponding path program 1 times [2020-11-28 03:07:25,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:07:25,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847807540] [2020-11-28 03:07:25,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:07:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:25,230 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:25,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:25,283 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:07:25,284 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:07:25,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:07:25,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:07:25 BoogieIcfgContainer [2020-11-28 03:07:25,315 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:07:25,316 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:25,316 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:25,316 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:25,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:07:24" (3/4) ... [2020-11-28 03:07:25,319 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:07:25,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_72224f33-7103-4622-9478-4055f18c1254/bin/uautomizer/witness.graphml [2020-11-28 03:07:25,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:25,369 INFO L168 Benchmark]: Toolchain (without parser) took 1645.39 ms. Allocated memory is still 96.5 MB. Free memory was 64.1 MB in the beginning and 43.8 MB in the end (delta: 20.3 MB). Peak memory consumption was 18.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:25,370 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:25,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.71 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 74.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:25,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.63 ms. Allocated memory is still 96.5 MB. Free memory was 74.0 MB in the beginning and 72.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:25,373 INFO L168 Benchmark]: Boogie Preprocessor took 48.53 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 72.0 MB in the end (delta: 843.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:25,374 INFO L168 Benchmark]: RCFGBuilder took 667.38 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 58.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:25,375 INFO L168 Benchmark]: TraceAbstraction took 384.23 ms. Allocated memory is still 96.5 MB. Free memory was 57.7 MB in the beginning and 45.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:25,377 INFO L168 Benchmark]: Witness Printer took 51.20 ms. Allocated memory is still 96.5 MB. Free memory was 45.2 MB in the beginning and 43.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:25,382 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 71.3 MB. Free memory is still 31.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.71 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 74.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.63 ms. Allocated memory is still 96.5 MB. Free memory was 74.0 MB in the beginning and 72.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.53 ms. Allocated memory is still 96.5 MB. Free memory was 72.8 MB in the beginning and 72.0 MB in the end (delta: 843.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 667.38 ms. Allocated memory is still 96.5 MB. Free memory was 71.6 MB in the beginning and 58.2 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 384.23 ms. Allocated memory is still 96.5 MB. Free memory was 57.7 MB in the beginning and 45.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 51.20 ms. Allocated memory is still 96.5 MB. Free memory was 45.2 MB in the beginning and 43.8 MB in the end (delta: 1.4 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: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] int n = __VERIFIER_nondet_int(); [L31] CALL addition(m,n) VAL [\old(m)=2147483647, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L20] m+1 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 36 locations, 8 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=36occurred 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, 7 NumberOfCodeBlocks, 7 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...