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/float-no-simp3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:09:35,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:09:35,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:09:35,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:09:35,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:09:35,218 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:09:35,219 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:09:35,221 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:09:35,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:09:35,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:09:35,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:09:35,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:09:35,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:09:35,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:09:35,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:09:35,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:09:35,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:09:35,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:09:35,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:09:35,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:09:35,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:09:35,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:09:35,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:09:35,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:09:35,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:09:35,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:09:35,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:09:35,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:09:35,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:09:35,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:09:35,262 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:09:35,263 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:09:35,263 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:09:35,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:09:35,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:09:35,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:09:35,269 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 01:09:35,293 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:09:35,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:09:35,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:09:35,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:09:35,296 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:09:35,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:09:35,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:09:35,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:09:35,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:09:35,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:09:35,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:09:35,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:09:35,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:09:35,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:09:35,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:09:35,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:09:35,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:09:35,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:09:35,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:09:35,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:09:35,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:09:35,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:35,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:09:35,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:09:35,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:09:35,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:09:35,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:09:35,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:09:35,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:09:35,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:09:35,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:09:35,376 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:09:35,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:09:35,377 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:09:35,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2019-09-08 01:09:35,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c126e09d/d7dfeae83a83480087d44746f0641e24/FLAGf88ef50f4 [2019-09-08 01:09:35,852 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:09:35,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp3.c [2019-09-08 01:09:35,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c126e09d/d7dfeae83a83480087d44746f0641e24/FLAGf88ef50f4 [2019-09-08 01:09:36,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c126e09d/d7dfeae83a83480087d44746f0641e24 [2019-09-08 01:09:36,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:09:36,304 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:09:36,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:36,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:09:36,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:09:36,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc9efcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36, skipping insertion in model container [2019-09-08 01:09:36,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,319 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:09:36,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:09:36,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:36,544 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:09:36,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:36,577 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:09:36,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36 WrapperNode [2019-09-08 01:09:36,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:36,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:09:36,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:09:36,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:09:36,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (1/1) ... [2019-09-08 01:09:36,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:09:36,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:09:36,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:09:36,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:09:36,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (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 01:09:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:09:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:09:36,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:09:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:09:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:09:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:09:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:09:36,890 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:09:36,890 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:09:36,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:36 BoogieIcfgContainer [2019-09-08 01:09:36,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:09:36,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:09:36,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:09:36,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:09:36,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:09:36" (1/3) ... [2019-09-08 01:09:36,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23239cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:36, skipping insertion in model container [2019-09-08 01:09:36,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:36" (2/3) ... [2019-09-08 01:09:36,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23239cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:36, skipping insertion in model container [2019-09-08 01:09:36,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:36" (3/3) ... [2019-09-08 01:09:36,902 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2019-09-08 01:09:36,910 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:09:36,916 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:09:36,930 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:09:36,959 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:09:36,960 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:09:36,960 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:09:36,960 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:09:36,961 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:09:36,961 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:09:36,961 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:09:36,961 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:09:36,961 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:09:36,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-09-08 01:09:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-09-08 01:09:36,983 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:09:36,984 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:09:36,986 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:09:36,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:09:36,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2019-09-08 01:09:36,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:09:36,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:09:37,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:37,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:09:37,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:37,075 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:09:37,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:09:37 BoogieIcfgContainer [2019-09-08 01:09:37,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:09:37,090 INFO L168 Benchmark]: Toolchain (without parser) took 783.94 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 88.5 MB in the beginning and 153.9 MB in the end (delta: -65.4 MB). Peak memory consumption was 684.2 kB. Max. memory is 7.1 GB. [2019-09-08 01:09:37,091 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:09:37,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.75 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 79.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:37,093 INFO L168 Benchmark]: Boogie Preprocessor took 135.34 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 79.4 MB in the beginning and 174.8 MB in the end (delta: -95.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:37,094 INFO L168 Benchmark]: RCFGBuilder took 176.50 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 166.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:37,095 INFO L168 Benchmark]: TraceAbstraction took 193.76 ms. Allocated memory is still 198.7 MB. Free memory was 165.6 MB in the beginning and 153.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:37,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 132.6 MB. Free memory was 107.1 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 273.75 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 79.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.34 ms. Allocated memory was 132.6 MB in the beginning and 198.7 MB in the end (delta: 66.1 MB). Free memory was 79.4 MB in the beginning and 174.8 MB in the end (delta: -95.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 176.50 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 166.2 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 193.76 ms. Allocated memory is still 198.7 MB. Free memory was 165.6 MB in the beginning and 153.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 8]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 6. Possible FailurePath: [L6] float fs1=2.0f/6.0f; [L7] float fs2=fs1*6.0f; [L8] COND TRUE !((int)fs2==2) [L8] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 12 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=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...