./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig3_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig3_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 c49ca63b076bdfdfd4da2b39429bac3c0da8332d ................................................................................................................................................................................................................................................................................................................................................................................ 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 23:07:37,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:07:37,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:07:37,110 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:07:37,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:07:37,111 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:07:37,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:07:37,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:07:37,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:07:37,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:07:37,117 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:07:37,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:07:37,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:07:37,120 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:07:37,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:07:37,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:07:37,122 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:07:37,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:07:37,126 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:07:37,128 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:07:37,129 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:07:37,130 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:07:37,132 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:07:37,133 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:07:37,133 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:07:37,134 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:07:37,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:07:37,135 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:07:37,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:07:37,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:07:37,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:07:37,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:07:37,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:07:37,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:07:37,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:07:37,140 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:07:37,141 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 23:07:37,164 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:07:37,165 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:07:37,166 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:07:37,166 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:07:37,168 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:07:37,168 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:07:37,169 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:07:37,169 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:07:37,169 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:07:37,169 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:07:37,169 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:07:37,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:07:37,171 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:07:37,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:07:37,171 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:07:37,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:07:37,172 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:07:37,172 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:07:37,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:07:37,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:07:37,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:07:37,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:07:37,173 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:07:37,175 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:07:37,175 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:07:37,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:07:37,175 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:07:37,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:07:37,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:07:37,176 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 -> c49ca63b076bdfdfd4da2b39429bac3c0da8332d [2018-11-28 23:07:37,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:07:37,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:07:37,244 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:07:37,245 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:07:37,246 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:07:37,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig3_false-no-overflow.c [2018-11-28 23:07:37,305 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/643f371d8/b439751df7e84b3198ad125eac3a9087/FLAG74095156a [2018-11-28 23:07:37,770 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:07:37,771 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/PodelskiRybalchenko-TACAS2011-Fig3_false-no-overflow.c [2018-11-28 23:07:37,776 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/643f371d8/b439751df7e84b3198ad125eac3a9087/FLAG74095156a [2018-11-28 23:07:38,150 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/643f371d8/b439751df7e84b3198ad125eac3a9087 [2018-11-28 23:07:38,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:07:38,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:07:38,159 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:07:38,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:07:38,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:07:38,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151a95c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38, skipping insertion in model container [2018-11-28 23:07:38,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:07:38,198 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:07:38,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:07:38,421 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:07:38,436 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:07:38,449 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:07:38,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38 WrapperNode [2018-11-28 23:07:38,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:07:38,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:07:38,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:07:38,451 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:07:38,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:07:38,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:07:38,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:07:38,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:07:38,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (1/1) ... [2018-11-28 23:07:38,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:07:38,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:07:38,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:07:38,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:07:38,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (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 23:07:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:07:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:07:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:07:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:07:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:07:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:07:38,947 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:07:38,947 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 23:07:38,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:07:38 BoogieIcfgContainer [2018-11-28 23:07:38,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:07:38,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:07:38,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:07:38,952 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:07:38,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:07:38" (1/3) ... [2018-11-28 23:07:38,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c42a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:07:38, skipping insertion in model container [2018-11-28 23:07:38,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:07:38" (2/3) ... [2018-11-28 23:07:38,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c42a40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:07:38, skipping insertion in model container [2018-11-28 23:07:38,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:07:38" (3/3) ... [2018-11-28 23:07:38,956 INFO L112 eAbstractionObserver]: Analyzing ICFG PodelskiRybalchenko-TACAS2011-Fig3_false-no-overflow.c [2018-11-28 23:07:38,970 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:07:38,980 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-28 23:07:39,001 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-28 23:07:39,037 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:07:39,038 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:07:39,038 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:07:39,039 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:07:39,039 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:07:39,039 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:07:39,039 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:07:39,039 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:07:39,039 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:07:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-11-28 23:07:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 23:07:39,067 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:07:39,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:07:39,071 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:07:39,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:07:39,078 INFO L82 PathProgramCache]: Analyzing trace with hash -623924281, now seen corresponding path program 1 times [2018-11-28 23:07:39,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:07:39,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:07:39,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:39,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:07:39,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:07:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:07:39,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:07:39,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:07:39,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 23:07:39,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 23:07:39,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 23:07:39,290 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2018-11-28 23:07:39,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:07:39,482 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-11-28 23:07:39,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 23:07:39,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-28 23:07:39,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:07:39,499 INFO L225 Difference]: With dead ends: 52 [2018-11-28 23:07:39,499 INFO L226 Difference]: Without dead ends: 32 [2018-11-28 23:07:39,504 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:07:39,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-11-28 23:07:39,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2018-11-28 23:07:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 23:07:39,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-11-28 23:07:39,559 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 8 [2018-11-28 23:07:39,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:07:39,562 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-11-28 23:07:39,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 23:07:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-11-28 23:07:39,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-28 23:07:39,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:07:39,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:07:39,564 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:07:39,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:07:39,568 INFO L82 PathProgramCache]: Analyzing trace with hash -623924089, now seen corresponding path program 1 times [2018-11-28 23:07:39,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:07:39,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:07:39,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:39,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:07:39,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:07:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:07:39,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:07:39,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:07:39,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 23:07:39,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 23:07:39,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 23:07:39,737 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 4 states. [2018-11-28 23:07:39,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:07:39,956 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions. [2018-11-28 23:07:39,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 23:07:39,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-11-28 23:07:39,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:07:39,959 INFO L225 Difference]: With dead ends: 38 [2018-11-28 23:07:39,959 INFO L226 Difference]: Without dead ends: 37 [2018-11-28 23:07:39,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:07:39,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-28 23:07:39,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2018-11-28 23:07:39,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-28 23:07:39,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2018-11-28 23:07:39,968 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 8 [2018-11-28 23:07:39,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:07:39,968 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2018-11-28 23:07:39,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 23:07:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-11-28 23:07:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 23:07:39,969 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:07:39,969 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:07:39,970 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:07:39,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:07:39,970 INFO L82 PathProgramCache]: Analyzing trace with hash 2133183819, now seen corresponding path program 1 times [2018-11-28 23:07:39,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:07:39,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:07:39,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:39,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:07:39,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:07:40,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:07:40,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:07:40,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:07:40,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:07:40,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:07:40,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:07:40,030 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand 3 states. [2018-11-28 23:07:40,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:07:40,086 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2018-11-28 23:07:40,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:07:40,087 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 23:07:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:07:40,088 INFO L225 Difference]: With dead ends: 26 [2018-11-28 23:07:40,088 INFO L226 Difference]: Without dead ends: 24 [2018-11-28 23:07:40,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:07:40,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-11-28 23:07:40,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-11-28 23:07:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-11-28 23:07:40,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2018-11-28 23:07:40,095 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 9 [2018-11-28 23:07:40,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:07:40,096 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2018-11-28 23:07:40,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:07:40,097 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2018-11-28 23:07:40,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 23:07:40,097 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:07:40,097 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:07:40,098 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:07:40,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:07:40,098 INFO L82 PathProgramCache]: Analyzing trace with hash 2133189777, now seen corresponding path program 1 times [2018-11-28 23:07:40,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:07:40,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:07:40,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:40,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:07:40,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:40,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:07:40,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:07:40,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:07:40,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:07:40,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:07:40,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:07:40,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:07:40,132 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 3 states. [2018-11-28 23:07:40,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:07:40,146 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2018-11-28 23:07:40,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:07:40,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 23:07:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:07:40,148 INFO L225 Difference]: With dead ends: 24 [2018-11-28 23:07:40,148 INFO L226 Difference]: Without dead ends: 23 [2018-11-28 23:07:40,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:07:40,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-11-28 23:07:40,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-11-28 23:07:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-28 23:07:40,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2018-11-28 23:07:40,154 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 9 [2018-11-28 23:07:40,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:07:40,155 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2018-11-28 23:07:40,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:07:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-11-28 23:07:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 23:07:40,155 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:07:40,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:07:40,156 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:07:40,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:07:40,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1704373705, now seen corresponding path program 1 times [2018-11-28 23:07:40,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:07:40,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:07:40,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:40,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:07:40,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:07:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:07:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:07:40,197 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 23:07:40,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:07:40 BoogieIcfgContainer [2018-11-28 23:07:40,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:07:40,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:07:40,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:07:40,221 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:07:40,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:07:38" (3/4) ... [2018-11-28 23:07:40,224 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 23:07:40,266 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:07:40,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:07:40,267 INFO L168 Benchmark]: Toolchain (without parser) took 2110.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -103.3 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:07:40,269 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. [2018-11-28 23:07:40,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.63 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:07:40,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.96 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:07:40,271 INFO L168 Benchmark]: Boogie Preprocessor took 39.20 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:07:40,271 INFO L168 Benchmark]: RCFGBuilder took 433.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:07:40,272 INFO L168 Benchmark]: TraceAbstraction took 1270.99 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: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:07:40,273 INFO L168 Benchmark]: Witness Printer took 45.52 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 23:07:40,277 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 291.63 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 23.96 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.20 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 433.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1270.99 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: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 11.5 GB. * Witness Printer took 45.52 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x = __VERIFIER_nondet_int(); [L13] int y = __VERIFIER_nondet_int(); [L14] COND TRUE x > 0 && y > 0 [L15] int old_x = x; [L16] int old_y = y; [L17] COND FALSE !(__VERIFIER_nondet_int()) [L21] EXPR old_y - 2 [L21] x = old_y - 2 VAL [old_x=2147483647, old_y=1, x=-1, y=1] [L22] old_x + 1 VAL [old_x=2147483647, old_y=1, x=-1, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 24 locations, 6 error locations. UNSAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 64 SDtfs, 69 SDslu, 74 SDs, 0 SdLazy, 45 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=2, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 20 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...