./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_4-1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/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 b8245b05e778c32c3284bedc2fbd03cbc2d26ad1 ................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-10-22 11:27:20,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:20,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:20,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:20,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:20,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:20,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:20,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:20,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:20,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:20,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:20,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:20,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:20,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:20,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:20,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:20,237 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:20,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:20,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:20,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:20,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:20,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:20,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:20,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:20,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:20,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:20,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:20,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:20,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:20,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:20,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:20,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:20,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:20,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:20,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:20,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:20,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:20,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:20,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:20,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:20,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:20,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-10-22 11:27:20,268 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:20,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:20,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:20,269 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:20,269 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:20,270 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:20,270 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:20,270 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:20,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:20,270 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:20,271 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:20,271 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:20,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:20,272 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:20,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:20,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:20,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:20,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:20,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:27:20,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:20,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:27:20,273 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 11:27:20,274 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:20,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:27:20,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:27:20,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:20,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:20,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:20,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:20,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:20,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:20,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:20,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:27:20,276 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:20,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:20,276 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:27:20,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:20,277 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/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 -> b8245b05e778c32c3284bedc2fbd03cbc2d26ad1 [2019-10-22 11:27:20,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:20,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:20,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:20,323 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:20,323 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:20,324 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/../../sv-benchmarks/c/bitvector/jain_4-1.c [2019-10-22 11:27:20,390 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/data/10f87915e/0a203f7da42c4eed9f8173ff9859114a/FLAG6928e09dc [2019-10-22 11:27:20,753 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:20,753 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/sv-benchmarks/c/bitvector/jain_4-1.c [2019-10-22 11:27:20,759 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/data/10f87915e/0a203f7da42c4eed9f8173ff9859114a/FLAG6928e09dc [2019-10-22 11:27:21,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/data/10f87915e/0a203f7da42c4eed9f8173ff9859114a [2019-10-22 11:27:21,152 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:21,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:21,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:21,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:21,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:21,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21830578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21, skipping insertion in model container [2019-10-22 11:27:21,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:21,195 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:21,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,413 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:21,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,524 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:21,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21 WrapperNode [2019-10-22 11:27:21,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:21,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:21,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:21,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:21,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:21,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:21,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:21,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:21,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/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 [2019-10-22 11:27:21,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:21,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:21,921 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:21,921 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 11:27:21,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:21 BoogieIcfgContainer [2019-10-22 11:27:21,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:21,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:21,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:21,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:21,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:21" (1/3) ... [2019-10-22 11:27:21,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:21, skipping insertion in model container [2019-10-22 11:27:21,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (2/3) ... [2019-10-22 11:27:21,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a8f3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:21, skipping insertion in model container [2019-10-22 11:27:21,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:21" (3/3) ... [2019-10-22 11:27:21,931 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_4-1.c [2019-10-22 11:27:21,942 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:21,949 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2019-10-22 11:27:21,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2019-10-22 11:27:21,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:21,985 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:27:21,985 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:21,986 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:21,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:21,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:21,986 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:21,986 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:22,004 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-10-22 11:27:22,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:22,010 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:22,011 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:22,014 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-10-22 11:27:22,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:22,020 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-10-22 11:27:22,031 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:22,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212944078] [2019-10-22 11:27:22,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:22,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:27:22,128 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:27:22,128 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:27:22,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:27:22 BoogieIcfgContainer [2019-10-22 11:27:22,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:27:22,145 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:27:22,145 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:27:22,146 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:27:22,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:21" (3/4) ... [2019-10-22 11:27:22,148 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:27:22,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f5146d3b-c25c-425c-826a-df354b6ff3b0/bin/utaipan/witness.graphml [2019-10-22 11:27:22,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:27:22,184 INFO L168 Benchmark]: Toolchain (without parser) took 1029.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -171.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,184 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,186 INFO L168 Benchmark]: Boogie Preprocessor took 37.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,187 INFO L168 Benchmark]: RCFGBuilder took 314.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,187 INFO L168 Benchmark]: TraceAbstraction took 221.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,188 INFO L168 Benchmark]: Witness Printer took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,191 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 369.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -209.5 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 221.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x,y,z; [L14] x=0 [L15] y=0 [L16] z=0 [L18] COND TRUE 1 [L20] 4*__VERIFIER_nondet_int() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 40 locations, 16 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred 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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...