./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/bitvector/jain_1_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 91b1670e 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_1_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 29eb7bd5560a831151ba0ab880d5190d7243dd4d ................................................................................................................................................................................................................................ 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 0.1.24-91b1670 [2018-11-28 23:11:21,294 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:11:21,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:11:21,308 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:11:21,308 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:11:21,309 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:11:21,311 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:11:21,313 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:11:21,314 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:11:21,315 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:11:21,316 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:11:21,317 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:11:21,318 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:11:21,319 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:11:21,320 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:11:21,321 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:11:21,322 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:11:21,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:11:21,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:11:21,329 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:11:21,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:11:21,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:11:21,334 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:11:21,335 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:11:21,335 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:11:21,336 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:11:21,337 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:11:21,338 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:11:21,339 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:11:21,341 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:11:21,341 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:11:21,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:11:21,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:11:21,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:11:21,344 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:11:21,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:11:21,345 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-11-28 23:11:21,360 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:11:21,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:11:21,361 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:11:21,362 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:11:21,362 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:11:21,362 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:11:21,363 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:11:21,363 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:11:21,363 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:11:21,363 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:11:21,363 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:11:21,365 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:11:21,365 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:11:21,365 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:11:21,365 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:11:21,366 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:11:21,366 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:11:21,366 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:11:21,366 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:11:21,366 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:11:21,366 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:11:21,368 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:11:21,368 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:11:21,368 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:11:21,368 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:11:21,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:11:21,369 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:11:21,369 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:11:21,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:11:21,370 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:11:21,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:11:21,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:11:21,370 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 -> 29eb7bd5560a831151ba0ab880d5190d7243dd4d [2018-11-28 23:11:21,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:11:21,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:11:21,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:11:21,426 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:11:21,426 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:11:21,427 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/bitvector/jain_1_false-no-overflow.i [2018-11-28 23:11:21,486 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8ab2c7a6/eea8017f9da748589ed8eafabc1f0fa5/FLAG2d8e73fc8 [2018-11-28 23:11:21,964 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:11:21,964 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/bitvector/jain_1_false-no-overflow.i [2018-11-28 23:11:21,971 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8ab2c7a6/eea8017f9da748589ed8eafabc1f0fa5/FLAG2d8e73fc8 [2018-11-28 23:11:22,339 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8ab2c7a6/eea8017f9da748589ed8eafabc1f0fa5 [2018-11-28 23:11:22,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:11:22,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:11:22,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:11:22,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:11:22,350 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:11:22,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b20b647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22, skipping insertion in model container [2018-11-28 23:11:22,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:11:22,382 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:11:22,565 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:11:22,570 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:11:22,592 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:11:22,609 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:11:22,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22 WrapperNode [2018-11-28 23:11:22,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:11:22,611 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:11:22,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:11:22,611 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:11:22,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:11:22,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:11:22,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:11:22,637 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:11:22,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,669 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (1/1) ... [2018-11-28 23:11:22,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:11:22,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:11:22,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:11:22,671 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:11:22,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (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 [2018-11-28 23:11:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:11:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:11:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:11:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 23:11:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 23:11:23,039 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:11:23,040 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 23:11:23,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:11:23 BoogieIcfgContainer [2018-11-28 23:11:23,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:11:23,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:11:23,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:11:23,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:11:23,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:11:22" (1/3) ... [2018-11-28 23:11:23,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5ab5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:11:23, skipping insertion in model container [2018-11-28 23:11:23,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:11:22" (2/3) ... [2018-11-28 23:11:23,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a5ab5ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:11:23, skipping insertion in model container [2018-11-28 23:11:23,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:11:23" (3/3) ... [2018-11-28 23:11:23,066 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_1_false-no-overflow.i [2018-11-28 23:11:23,080 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:11:23,089 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 23:11:23,109 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 23:11:23,151 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:11:23,152 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:11:23,152 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:11:23,152 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:11:23,152 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:11:23,152 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:11:23,152 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:11:23,153 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:11:23,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:11:23,174 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-28 23:11:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-28 23:11:23,181 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:11:23,182 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:11:23,185 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:11:23,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:11:23,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1145425065, now seen corresponding path program 1 times [2018-11-28 23:11:23,194 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:11:23,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:11:23,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:11:23,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:11:23,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:11:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:11:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:11:23,313 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 23:11:23,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:11:23 BoogieIcfgContainer [2018-11-28 23:11:23,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:11:23,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:11:23,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:11:23,340 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:11:23,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:11:23" (3/4) ... [2018-11-28 23:11:23,347 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 23:11:23,396 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:11:23,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:11:23,397 INFO L168 Benchmark]: Toolchain (without parser) took 1054.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:23,399 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-11-28 23:11:23,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.39 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:23,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.48 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:23,401 INFO L168 Benchmark]: Boogie Preprocessor took 34.55 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:11:23,402 INFO L168 Benchmark]: RCFGBuilder took 370.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:23,403 INFO L168 Benchmark]: TraceAbstraction took 296.10 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:23,404 INFO L168 Benchmark]: Witness Printer took 56.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:11:23,412 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 264.39 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 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 24.48 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.55 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 370.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 296.10 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int y; [L14] y = 1 VAL [y=1] [L16] COND TRUE 1 [L18] 2*__VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1073741824, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 4 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=25occurred 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, 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...