./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/bitvector/jain_4_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/bitvector/jain_4_false-no-overflow.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a03a0fdb0fbc1ac25b5e240178e87ef21df12f3 ....................................................................................................................................................................................................................... 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 0.1.24-0ed9222-m [2019-01-14 01:57:50,802 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:57:50,804 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:57:50,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:57:50,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:57:50,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:57:50,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:57:50,821 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:57:50,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:57:50,824 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:57:50,825 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:57:50,825 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:57:50,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:57:50,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:57:50,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:57:50,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:57:50,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:57:50,833 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:57:50,835 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:57:50,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:57:50,838 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:57:50,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:57:50,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:57:50,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:57:50,844 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:57:50,845 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:57:50,846 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:57:50,847 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:57:50,848 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:57:50,849 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:57:50,849 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:57:50,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:57:50,851 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:57:50,851 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:57:50,852 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:57:50,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:57:50,854 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-01-14 01:57:50,869 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:57:50,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:57:50,871 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:57:50,872 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:57:50,872 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:57:50,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:57:50,872 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 01:57:50,872 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:57:50,872 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:57:50,873 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 01:57:50,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:57:50,873 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:57:50,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:57:50,873 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:57:50,874 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:57:50,875 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 01:57:50,875 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:57:50,875 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:57:50,876 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:57:50,876 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:57:50,876 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:57:50,876 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:57:50,876 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:57:50,876 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:57:50,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:57:50,878 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:57:50,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:57:50,878 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:57:50,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:57:50,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:57:50,879 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a03a0fdb0fbc1ac25b5e240178e87ef21df12f3 [2019-01-14 01:57:50,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:57:50,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:57:50,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:57:50,948 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:57:50,948 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:57:50,949 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_4_false-no-overflow.i [2019-01-14 01:57:51,016 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a321f2b2f/890a4d2e0e6b49efbe250afbfa01ef92/FLAG6e365c1d5 [2019-01-14 01:57:51,446 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:57:51,447 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_4_false-no-overflow.i [2019-01-14 01:57:51,452 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a321f2b2f/890a4d2e0e6b49efbe250afbfa01ef92/FLAG6e365c1d5 [2019-01-14 01:57:51,827 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a321f2b2f/890a4d2e0e6b49efbe250afbfa01ef92 [2019-01-14 01:57:51,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:57:51,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:57:51,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:57:51,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:57:51,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:57:51,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:57:51" (1/1) ... [2019-01-14 01:57:51,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eab8d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:51, skipping insertion in model container [2019-01-14 01:57:51,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:57:51" (1/1) ... [2019-01-14 01:57:51,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:57:51,872 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:57:52,087 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:57:52,092 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:57:52,114 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:57:52,130 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:57:52,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52 WrapperNode [2019-01-14 01:57:52,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:57:52,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:57:52,134 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:57:52,134 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:57:52,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,150 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:57:52,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:57:52,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:57:52,178 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:57:52,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... [2019-01-14 01:57:52,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:57:52,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:57:52,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:57:52,219 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:57:52,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 01:57:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:57:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:57:52,787 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:57:52,788 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 01:57:52,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:57:52 BoogieIcfgContainer [2019-01-14 01:57:52,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:57:52,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:57:52,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:57:52,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:57:52,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:57:51" (1/3) ... [2019-01-14 01:57:52,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ed8124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:57:52, skipping insertion in model container [2019-01-14 01:57:52,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:57:52" (2/3) ... [2019-01-14 01:57:52,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ed8124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:57:52, skipping insertion in model container [2019-01-14 01:57:52,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:57:52" (3/3) ... [2019-01-14 01:57:52,797 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_4_false-no-overflow.i [2019-01-14 01:57:52,807 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:57:52,815 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 16 error locations. [2019-01-14 01:57:52,832 INFO L257 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2019-01-14 01:57:52,866 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:57:52,867 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:57:52,867 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:57:52,867 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:57:52,867 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:57:52,867 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:57:52,868 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:57:52,868 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:57:52,868 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:57:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2019-01-14 01:57:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-14 01:57:52,891 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:57:52,892 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-14 01:57:52,895 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:57:52,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:57:52,901 INFO L82 PathProgramCache]: Analyzing trace with hash 31073, now seen corresponding path program 1 times [2019-01-14 01:57:52,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:57:52,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:57:52,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:57:52,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:57:52,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:57:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:57:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:57:52,997 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 01:57:53,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:57:53 BoogieIcfgContainer [2019-01-14 01:57:53,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:57:53,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:57:53,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:57:53,017 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:57:53,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:57:52" (3/4) ... [2019-01-14 01:57:53,021 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 01:57:53,063 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:57:53,063 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:57:53,064 INFO L168 Benchmark]: Toolchain (without parser) took 1233.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:57:53,066 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:57:53,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:57:53,067 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.53 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:57:53,068 INFO L168 Benchmark]: Boogie Preprocessor took 39.99 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:57:53,070 INFO L168 Benchmark]: RCFGBuilder took 571.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 01:57:53,072 INFO L168 Benchmark]: TraceAbstraction took 226.32 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-01-14 01:57:53,073 INFO L168 Benchmark]: Witness Printer took 46.18 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. [2019-01-14 01:57:53,078 INFO L336 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.32 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 936.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.53 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.99 ms. Allocated memory is still 1.0 GB. Free memory is still 936.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 571.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 936.6 MB in the beginning and 1.1 GB in the end (delta: -193.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 226.32 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.18 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. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...