java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:09:57,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:09:57,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:09:57,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:09:57,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:09:57,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:09:57,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:09:57,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:09:57,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:09:57,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:09:57,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:09:57,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:09:57,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:09:57,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:09:57,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:09:57,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:09:57,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:09:57,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:09:57,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:09:57,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:09:57,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:09:57,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:09:57,420 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:09:57,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:09:57,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:09:57,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:09:57,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:09:57,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:09:57,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:09:57,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:09:57,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:09:57,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:09:57,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:09:57,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:09:57,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:09:57,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:09:57,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:09:57,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:09:57,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:09:57,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:09:57,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:09:57,432 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 01:09:57,447 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:09:57,447 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:09:57,448 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:09:57,449 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:09:57,449 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:09:57,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:09:57,449 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:09:57,449 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:09:57,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:09:57,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:09:57,450 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:09:57,450 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:09:57,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:09:57,451 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:09:57,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:09:57,451 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:09:57,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:09:57,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:09:57,452 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:09:57,452 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:09:57,452 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:09:57,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:57,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:09:57,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:09:57,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:09:57,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:09:57,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:09:57,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:09:57,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:09:57,485 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:09:57,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:09:57,504 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:09:57,506 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:09:57,506 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:09:57,507 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float3.c [2019-09-08 01:09:57,578 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc62e85e/5cb538d73fc8407983ac28383e6625de/FLAG57ca2e1bb [2019-09-08 01:09:58,076 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:09:58,077 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float3.c [2019-09-08 01:09:58,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc62e85e/5cb538d73fc8407983ac28383e6625de/FLAG57ca2e1bb [2019-09-08 01:09:58,497 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bc62e85e/5cb538d73fc8407983ac28383e6625de [2019-09-08 01:09:58,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:09:58,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:09:58,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:58,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:09:58,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:09:58,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2a5cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58, skipping insertion in model container [2019-09-08 01:09:58,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:09:58,542 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:09:58,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:58,728 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:09:58,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:58,759 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:09:58,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58 WrapperNode [2019-09-08 01:09:58,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:58,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:09:58,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:09:58,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:09:58,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,865 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... [2019-09-08 01:09:58,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:09:58,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:09:58,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:09:58,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:09:58,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:09:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:09:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2019-09-08 01:09:58,924 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:09:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:09:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 01:09:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2019-09-08 01:09:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:09:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:09:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:09:59,082 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:09:59,083 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:09:59,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:59 BoogieIcfgContainer [2019-09-08 01:09:59,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:09:59,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:09:59,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:09:59,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:09:59,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:09:58" (1/3) ... [2019-09-08 01:09:59,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcf0d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:59, skipping insertion in model container [2019-09-08 01:09:59,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:58" (2/3) ... [2019-09-08 01:09:59,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcf0d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:59, skipping insertion in model container [2019-09-08 01:09:59,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:59" (3/3) ... [2019-09-08 01:09:59,093 INFO L109 eAbstractionObserver]: Analyzing ICFG float3.c [2019-09-08 01:09:59,102 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:09:59,109 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:09:59,127 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:09:59,160 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:09:59,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:09:59,161 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:09:59,161 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:09:59,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:09:59,161 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:09:59,162 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:09:59,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:09:59,162 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:09:59,181 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-09-08 01:09:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-08 01:09:59,186 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:09:59,187 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:09:59,189 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:09:59,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:09:59,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1639801167, now seen corresponding path program 1 times [2019-09-08 01:09:59,195 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:09:59,195 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:09:59,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:59,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:09:59,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:59,305 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:09:59,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:09:59 BoogieIcfgContainer [2019-09-08 01:09:59,328 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:09:59,331 INFO L168 Benchmark]: Toolchain (without parser) took 819.49 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 91.0 MB in the beginning and 153.4 MB in the end (delta: -62.4 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:59,332 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:09:59,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.41 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:59,334 INFO L168 Benchmark]: Boogie Preprocessor took 114.43 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 81.6 MB in the beginning and 176.9 MB in the end (delta: -95.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:59,335 INFO L168 Benchmark]: RCFGBuilder took 209.12 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 165.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:59,336 INFO L168 Benchmark]: TraceAbstraction took 242.53 ms. Allocated memory is still 200.3 MB. Free memory was 165.9 MB in the beginning and 153.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:59,340 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 134.7 MB. Free memory was 109.1 MB in the beginning and 108.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.41 ms. Allocated memory is still 134.7 MB. Free memory was 90.8 MB in the beginning and 81.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.43 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 81.6 MB in the beginning and 176.9 MB in the end (delta: -95.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.12 ms. Allocated memory is still 200.3 MB. Free memory was 176.9 MB in the beginning and 165.9 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242.53 ms. Allocated memory is still 200.3 MB. Free memory was 165.9 MB in the beginning and 153.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 24]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 24, overapproximation of someBinaryArithmeticDOUBLEoperation at line 20. Possible FailurePath: [L4] double d = 0.0; VAL [\old(d)=1, d=0] [L13] int x = 2; [L15] COND TRUE __VERIFIER_nondet_int() [L16] x = 4 VAL [\old(d)=0, d=0, x=4] [L18] CALL f1() VAL [\old(d)=0, d=0] [L8] d = 1.0 VAL [\old(d)=0, d=1] [L18] RET f1() VAL [\old(d)=0, d=1, x=4] [L20] d += (x == 2) [L22] d += (x > 3) VAL [\old(d)=0, x=4] [L24] COND TRUE !(d == 2.0) VAL [\old(d)=0, x=4] [L24] __VERIFIER_error() VAL [\old(d)=0, x=4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...