./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-numeric/Et2_true_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-numeric/Et2_true_false-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 9a16c2ef65c9470765f02a1675d8617e78fbed55 ....................................................................................................................................................................................................................... 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 01:33:19,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:33:19,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:33:19,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:33:19,042 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:33:19,043 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:33:19,045 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:33:19,047 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:33:19,050 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:33:19,058 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:33:19,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:33:19,059 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:33:19,062 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:33:19,062 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:33:19,066 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:33:19,067 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:33:19,068 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:33:19,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:33:19,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:33:19,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:33:19,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:33:19,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:33:19,089 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:33:19,090 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:33:19,090 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:33:19,091 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:33:19,094 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:33:19,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:33:19,097 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:33:19,102 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:33:19,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:33:19,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:33:19,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:33:19,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:33:19,105 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:33:19,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:33:19,110 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-01-14 01:33:19,128 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:33:19,128 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:33:19,130 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:33:19,130 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:33:19,130 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:33:19,130 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:33:19,130 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:33:19,130 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:33:19,131 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:33:19,131 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:33:19,131 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:33:19,131 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:33:19,131 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:33:19,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:33:19,132 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:33:19,132 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:33:19,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:33:19,132 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:33:19,132 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:33:19,132 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:33:19,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:33:19,133 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:33:19,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:33:19,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:33:19,133 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:33:19,133 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:33:19,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:33:19,134 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a16c2ef65c9470765f02a1675d8617e78fbed55 [2019-01-14 01:33:19,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:33:19,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:33:19,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:33:19,193 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:33:19,194 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:33:19,194 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-numeric/Et2_true_false-no-overflow.c [2019-01-14 01:33:19,256 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7f025cd/bd048e1331624f118c900b8c8ed56f3a/FLAGa2a929338 [2019-01-14 01:33:19,665 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:33:19,666 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-numeric/Et2_true_false-no-overflow.c [2019-01-14 01:33:19,672 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7f025cd/bd048e1331624f118c900b8c8ed56f3a/FLAGa2a929338 [2019-01-14 01:33:20,052 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d7f025cd/bd048e1331624f118c900b8c8ed56f3a [2019-01-14 01:33:20,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:33:20,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:33:20,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:33:20,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:33:20,061 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:33:20,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74bc7883 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20, skipping insertion in model container [2019-01-14 01:33:20,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,073 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:33:20,094 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:33:20,333 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:33:20,339 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:33:20,362 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:33:20,380 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:33:20,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20 WrapperNode [2019-01-14 01:33:20,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:33:20,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:33:20,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:33:20,382 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:33:20,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:33:20,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:33:20,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:33:20,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:33:20,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,443 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (1/1) ... [2019-01-14 01:33:20,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:33:20,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:33:20,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:33:20,466 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:33:20,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (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 01:33:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure loop [2019-01-14 01:33:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure loop [2019-01-14 01:33:20,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:33:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:33:21,138 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:33:21,138 INFO L286 CfgBuilder]: Removed 10 assue(true) statements. [2019-01-14 01:33:21,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:33:21 BoogieIcfgContainer [2019-01-14 01:33:21,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:33:21,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:33:21,141 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:33:21,145 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:33:21,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:33:20" (1/3) ... [2019-01-14 01:33:21,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158c3e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:33:21, skipping insertion in model container [2019-01-14 01:33:21,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:33:20" (2/3) ... [2019-01-14 01:33:21,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158c3e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:33:21, skipping insertion in model container [2019-01-14 01:33:21,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:33:21" (3/3) ... [2019-01-14 01:33:21,149 INFO L112 eAbstractionObserver]: Analyzing ICFG Et2_true_false-no-overflow.c [2019-01-14 01:33:21,159 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:33:21,167 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 14 error locations. [2019-01-14 01:33:21,185 INFO L257 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2019-01-14 01:33:21,216 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:33:21,217 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:33:21,217 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:33:21,217 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:33:21,218 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:33:21,218 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:33:21,218 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:33:21,219 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:33:21,219 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:33:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-01-14 01:33:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-01-14 01:33:21,242 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 01:33:21,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-01-14 01:33:21,246 INFO L423 AbstractCegarLoop]: === Iteration 1 === [loopErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, loopErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2019-01-14 01:33:21,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 01:33:21,253 INFO L82 PathProgramCache]: Analyzing trace with hash 66629, now seen corresponding path program 1 times [2019-01-14 01:33:21,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 01:33:21,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 01:33:21,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:33:21,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 01:33:21,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 01:33:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:33:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 01:33:21,369 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 01:33:21,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:33:21 BoogieIcfgContainer [2019-01-14 01:33:21,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:33:21,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:33:21,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:33:21,390 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:33:21,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:33:21" (3/4) ... [2019-01-14 01:33:21,394 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 01:33:21,436 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:33:21,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:33:21,437 INFO L168 Benchmark]: Toolchain (without parser) took 1381.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -144.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:33:21,440 INFO L168 Benchmark]: CDTParser took 0.16 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 01:33:21,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.52 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:33:21,442 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.82 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:33:21,442 INFO L168 Benchmark]: Boogie Preprocessor took 36.25 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-01-14 01:33:21,443 INFO L168 Benchmark]: RCFGBuilder took 673.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-01-14 01:33:21,444 INFO L168 Benchmark]: TraceAbstraction took 248.83 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. [2019-01-14 01:33:21,445 INFO L168 Benchmark]: Witness Printer took 46.09 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 01:33:21,450 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 323.52 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 47.82 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.25 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 673.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 935.3 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 248.83 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 46.09 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: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x = __VERIFIER_nondet_int(); [L24] int y = __VERIFIER_nondet_int(); [L25] int z = __VERIFIER_nondet_int(); [L31] int x = __VERIFIER_nondet_int(); [L32] COND TRUE x < 0 [L33] -x - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 14 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=45occurred 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...