./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.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/strchr_true-no-overflow_true-termination.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 9856f7645e91c0d9454d45981854535d3bc496b2 ............................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:08:56,323 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:08:56,325 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:08:56,337 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:08:56,338 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:08:56,339 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:08:56,340 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:08:56,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:08:56,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:08:56,347 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:08:56,348 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:08:56,348 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:08:56,349 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:08:56,352 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:08:56,353 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:08:56,354 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:08:56,355 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:08:56,357 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:08:56,359 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:08:56,361 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:08:56,362 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:08:56,364 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:08:56,366 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:08:56,366 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:08:56,367 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:08:56,368 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:08:56,369 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:08:56,370 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:08:56,371 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:08:56,373 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:08:56,373 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:08:56,374 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:08:56,374 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:08:56,374 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:08:56,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:08:56,377 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:08:56,377 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2018-11-28 23:08:56,394 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:08:56,395 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:08:56,396 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:08:56,396 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:08:56,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:08:56,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:08:56,398 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:08:56,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:08:56,398 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:08:56,398 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:08:56,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:08:56,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:08:56,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:08:56,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:08:56,399 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:08:56,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:08:56,399 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:08:56,401 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:08:56,401 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:08:56,401 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:08:56,401 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:08:56,402 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:08:56,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:08:56,402 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:08:56,403 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:08:56,403 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:08:56,403 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:08:56,403 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:08:56,403 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:08:56,404 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 -> 9856f7645e91c0d9454d45981854535d3bc496b2 [2018-11-28 23:08:56,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:08:56,459 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:08:56,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:08:56,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:08:56,468 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:08:56,469 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.c [2018-11-28 23:08:56,539 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9faa4a58/cfdb14613f33477b92f5e37cd39b6bb7/FLAGa578b3d99 [2018-11-28 23:08:57,019 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:08:57,020 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/strchr_true-no-overflow_true-termination.c [2018-11-28 23:08:57,029 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9faa4a58/cfdb14613f33477b92f5e37cd39b6bb7/FLAGa578b3d99 [2018-11-28 23:08:57,409 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c9faa4a58/cfdb14613f33477b92f5e37cd39b6bb7 [2018-11-28 23:08:57,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:08:57,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:08:57,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:08:57,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:08:57,421 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:08:57,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@256fbe3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57, skipping insertion in model container [2018-11-28 23:08:57,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:08:57,454 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:08:57,707 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:08:57,728 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:08:57,758 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:08:57,778 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:08:57,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57 WrapperNode [2018-11-28 23:08:57,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:08:57,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:08:57,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:08:57,780 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:08:57,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:08:57,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:08:57,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:08:57,815 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:08:57,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,824 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (1/1) ... [2018-11-28 23:08:57,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:08:57,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:08:57,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:08:57,845 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:08:57,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (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 23:08:57,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:08:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2018-11-28 23:08:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2018-11-28 23:08:57,968 INFO L130 BoogieDeclarations]: Found specification of procedure cstrchr [2018-11-28 23:08:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure cstrchr [2018-11-28 23:08:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:08:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:08:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:08:57,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:08:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:08:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:08:57,970 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:08:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:08:58,394 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:08:58,395 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 23:08:58,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:08:58 BoogieIcfgContainer [2018-11-28 23:08:58,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:08:58,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:08:58,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:08:58,400 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:08:58,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:08:57" (1/3) ... [2018-11-28 23:08:58,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e890694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:08:58, skipping insertion in model container [2018-11-28 23:08:58,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:08:57" (2/3) ... [2018-11-28 23:08:58,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e890694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:08:58, skipping insertion in model container [2018-11-28 23:08:58,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:08:58" (3/3) ... [2018-11-28 23:08:58,404 INFO L112 eAbstractionObserver]: Analyzing ICFG strchr_true-no-overflow_true-termination.c [2018-11-28 23:08:58,413 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:08:58,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 23:08:58,437 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 23:08:58,470 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:08:58,471 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:08:58,471 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:08:58,471 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:08:58,471 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:08:58,471 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:08:58,472 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:08:58,472 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:08:58,472 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:08:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2018-11-28 23:08:58,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 23:08:58,499 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:08:58,500 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:08:58,502 INFO L423 AbstractCegarLoop]: === Iteration 1 === [build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:08:58,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:08:58,509 INFO L82 PathProgramCache]: Analyzing trace with hash -172080127, now seen corresponding path program 1 times [2018-11-28 23:08:58,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:08:58,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:08:58,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:08:58,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:08:58,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:08:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:08:58,697 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 23:08:58,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:08:58,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:08:58,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:08:58,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:08:58,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:08:58,719 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 3 states. [2018-11-28 23:08:58,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:08:58,809 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2018-11-28 23:08:58,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:08:58,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 23:08:58,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:08:58,820 INFO L225 Difference]: With dead ends: 52 [2018-11-28 23:08:58,820 INFO L226 Difference]: Without dead ends: 20 [2018-11-28 23:08:58,823 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 23:08:58,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-28 23:08:58,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2018-11-28 23:08:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-28 23:08:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2018-11-28 23:08:58,872 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 9 [2018-11-28 23:08:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:08:58,873 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2018-11-28 23:08:58,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:08:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-11-28 23:08:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-28 23:08:58,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:08:58,874 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:08:58,874 INFO L423 AbstractCegarLoop]: === Iteration 2 === [build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:08:58,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:08:58,875 INFO L82 PathProgramCache]: Analyzing trace with hash -172080065, now seen corresponding path program 1 times [2018-11-28 23:08:58,875 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:08:58,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:08:58,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:08:58,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:08:58,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:08:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:08:58,955 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 23:08:58,955 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:08:58,955 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:08:58,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:08:58,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:08:58,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:08:58,958 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 3 states. [2018-11-28 23:08:59,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:08:59,092 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-11-28 23:08:59,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:08:59,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-28 23:08:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:08:59,094 INFO L225 Difference]: With dead ends: 19 [2018-11-28 23:08:59,094 INFO L226 Difference]: Without dead ends: 17 [2018-11-28 23:08:59,095 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 23:08:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-28 23:08:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 14. [2018-11-28 23:08:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-11-28 23:08:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-11-28 23:08:59,099 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 9 [2018-11-28 23:08:59,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:08:59,099 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-11-28 23:08:59,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:08:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-11-28 23:08:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 23:08:59,100 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:08:59,100 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:08:59,101 INFO L423 AbstractCegarLoop]: === Iteration 3 === [build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:08:59,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:08:59,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1039516601, now seen corresponding path program 1 times [2018-11-28 23:08:59,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:08:59,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:08:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:08:59,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:08:59,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:08:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:08:59,190 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 23:08:59,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:08:59,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:08:59,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 23:08:59,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:08:59,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:08:59,193 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 3 states. [2018-11-28 23:08:59,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:08:59,283 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-11-28 23:08:59,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:08:59,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-28 23:08:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 23:08:59,285 INFO L225 Difference]: With dead ends: 14 [2018-11-28 23:08:59,285 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 23:08:59,286 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 23:08:59,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 23:08:59,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 23:08:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 23:08:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:08:59,289 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-11-28 23:08:59,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 23:08:59,289 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:08:59,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 23:08:59,290 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:08:59,290 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 23:08:59,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 23:08:59,420 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-28 23:08:59,421 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 18) no Hoare annotation was computed. [2018-11-28 23:08:59,421 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringFINAL(lines 12 20) no Hoare annotation was computed. [2018-11-28 23:08:59,421 INFO L448 ceAbstractionStarter]: For program point L18(line 18) no Hoare annotation was computed. [2018-11-28 23:08:59,421 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2018-11-28 23:08:59,421 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2018-11-28 23:08:59,422 INFO L448 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2018-11-28 23:08:59,422 INFO L448 ceAbstractionStarter]: For program point L14(lines 14 16) no Hoare annotation was computed. [2018-11-28 23:08:59,422 INFO L448 ceAbstractionStarter]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2018-11-28 23:08:59,422 INFO L451 ceAbstractionStarter]: At program point build_nondet_StringENTRY(lines 12 20) the Hoare annotation is: true [2018-11-28 23:08:59,422 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2018-11-28 23:08:59,422 INFO L448 ceAbstractionStarter]: For program point build_nondet_StringEXIT(lines 12 20) no Hoare annotation was computed. [2018-11-28 23:08:59,423 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-28 23:08:59,424 INFO L448 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2018-11-28 23:08:59,424 INFO L448 ceAbstractionStarter]: For program point L31-1(line 31) no Hoare annotation was computed. [2018-11-28 23:08:59,425 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 32) no Hoare annotation was computed. [2018-11-28 23:08:59,425 INFO L451 ceAbstractionStarter]: At program point L31-5(lines 31 32) the Hoare annotation is: true [2018-11-28 23:08:59,425 INFO L448 ceAbstractionStarter]: For program point L31-6(lines 31 32) no Hoare annotation was computed. [2018-11-28 23:08:59,425 INFO L448 ceAbstractionStarter]: For program point cstrchrEXIT(lines 26 34) no Hoare annotation was computed. [2018-11-28 23:08:59,425 INFO L448 ceAbstractionStarter]: For program point cstrchrFINAL(lines 26 34) no Hoare annotation was computed. [2018-11-28 23:08:59,425 INFO L451 ceAbstractionStarter]: At program point cstrchrENTRY(lines 26 34) the Hoare annotation is: true [2018-11-28 23:08:59,425 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 23:08:59,427 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 23:08:59,427 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 23:08:59,427 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 23:08:59,427 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-28 23:08:59,427 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 23:08:59,427 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 23:08:59,428 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 36 39) the Hoare annotation is: true [2018-11-28 23:08:59,428 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 36 39) no Hoare annotation was computed. [2018-11-28 23:08:59,428 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 36 39) no Hoare annotation was computed. [2018-11-28 23:08:59,428 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-28 23:08:59,428 INFO L451 ceAbstractionStarter]: At program point L37-1(line 37) the Hoare annotation is: true [2018-11-28 23:08:59,428 INFO L448 ceAbstractionStarter]: For program point L37-2(line 37) no Hoare annotation was computed. [2018-11-28 23:08:59,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:08:59 BoogieIcfgContainer [2018-11-28 23:08:59,437 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:08:59,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:08:59,438 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:08:59,438 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:08:59,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:08:58" (3/4) ... [2018-11-28 23:08:59,443 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 23:08:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure build_nondet_String [2018-11-28 23:08:59,451 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cstrchr [2018-11-28 23:08:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 23:08:59,452 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 23:08:59,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-28 23:08:59,458 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 23:08:59,459 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 23:08:59,520 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:08:59,521 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:08:59,522 INFO L168 Benchmark]: Toolchain (without parser) took 2107.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -112.2 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:08:59,524 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:08:59,525 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.34 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 23:08:59,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.61 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 23:08:59,526 INFO L168 Benchmark]: Boogie Preprocessor took 29.89 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:08:59,528 INFO L168 Benchmark]: RCFGBuilder took 551.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:08:59,528 INFO L168 Benchmark]: TraceAbstraction took 1040.65 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:08:59,530 INFO L168 Benchmark]: Witness Printer took 83.25 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. [2018-11-28 23:08:59,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.34 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 34.61 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 29.89 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 933.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 551.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1040.65 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Witness Printer took 83.25 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: - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 4 error locations. SAFE Result, 0.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 14 SDslu, 38 SDs, 0 SdLazy, 25 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 293 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...