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/float1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:09:43,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:09:43,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:09:43,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:09:43,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:09:43,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:09:43,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:09:43,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:09:43,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:09:43,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:09:43,926 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:09:43,927 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:09:43,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:09:43,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:09:43,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:09:43,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:09:43,932 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:09:43,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:09:43,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:09:43,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:09:43,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:09:43,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:09:43,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:09:43,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:09:43,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:09:43,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:09:43,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:09:43,949 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:09:43,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:09:43,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:09:43,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:09:43,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:09:43,951 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:09:43,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:09:43,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:09:43,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:09:43,954 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 01:09:43,969 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:09:43,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:09:43,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:09:43,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:09:43,971 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:09:43,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:09:43,972 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:09:43,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:09:43,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:09:43,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:09:43,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:09:43,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:09:43,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:09:43,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:09:43,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:09:43,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:09:43,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:09:43,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:09:43,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:09:43,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:09:43,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:09:43,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:43,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:09:43,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:09:43,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:09:43,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:09:43,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:09:43,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:09:43,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:09:44,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:09:44,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:09:44,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:09:44,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:09:44,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:09:44,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float1.c [2019-09-08 01:09:44,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7d21f5b/e1644e300cbd4d88882c5f42d90ba068/FLAG9bfc1d9ef [2019-09-08 01:09:44,607 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:09:44,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float1.c [2019-09-08 01:09:44,617 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7d21f5b/e1644e300cbd4d88882c5f42d90ba068/FLAG9bfc1d9ef [2019-09-08 01:09:45,100 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d7d21f5b/e1644e300cbd4d88882c5f42d90ba068 [2019-09-08 01:09:45,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:09:45,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:09:45,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:45,113 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:09:45,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:09:45,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,121 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5961933f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45, skipping insertion in model container [2019-09-08 01:09:45,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,130 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:09:45,146 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:09:45,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:45,411 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:09:45,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:09:45,457 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:09:45,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45 WrapperNode [2019-09-08 01:09:45,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:09:45,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:09:45,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:09:45,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:09:45,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,661 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (1/1) ... [2019-09-08 01:09:45,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:09:45,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:09:45,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:09:45,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:09:45,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (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 01:09:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:09:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:09:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:09:45,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:09:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:09:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:09:45,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:09:45,874 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:09:45,874 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:09:45,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:45 BoogieIcfgContainer [2019-09-08 01:09:45,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:09:45,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:09:45,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:09:45,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:09:45,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:09:45" (1/3) ... [2019-09-08 01:09:45,881 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4e7680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:45, skipping insertion in model container [2019-09-08 01:09:45,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:09:45" (2/3) ... [2019-09-08 01:09:45,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4e7680 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:09:45, skipping insertion in model container [2019-09-08 01:09:45,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:09:45" (3/3) ... [2019-09-08 01:09:45,884 INFO L109 eAbstractionObserver]: Analyzing ICFG float1.c [2019-09-08 01:09:45,895 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:09:45,902 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-09-08 01:09:45,919 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-09-08 01:09:45,950 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:09:45,951 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:09:45,951 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:09:45,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:09:45,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:09:45,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:09:45,952 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:09:45,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:09:45,953 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:09:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2019-09-08 01:09:45,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-09-08 01:09:45,977 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:09:45,978 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:09:45,980 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:09:45,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:09:45,986 INFO L82 PathProgramCache]: Analyzing trace with hash 703471866, now seen corresponding path program 1 times [2019-09-08 01:09:45,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:09:45,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:09:46,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:46,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:09:46,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:09:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:09:46,078 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:09:46,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:09:46 BoogieIcfgContainer [2019-09-08 01:09:46,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:09:46,103 INFO L168 Benchmark]: Toolchain (without parser) took 989.92 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 88.1 MB in the beginning and 157.2 MB in the end (delta: -69.1 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:46,104 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:09:46,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.97 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 79.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:46,106 INFO L168 Benchmark]: Boogie Preprocessor took 207.49 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 79.1 MB in the beginning and 179.1 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:46,107 INFO L168 Benchmark]: RCFGBuilder took 209.04 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 169.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:46,108 INFO L168 Benchmark]: TraceAbstraction took 223.09 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 157.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:09:46,111 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory is still 106.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 344.97 ms. Allocated memory is still 132.1 MB. Free memory was 88.1 MB in the beginning and 79.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 207.49 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 79.1 MB in the beginning and 179.1 MB in the end (delta: -100.0 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 209.04 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 169.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223.09 ms. Allocated memory is still 202.4 MB. Free memory was 169.2 MB in the beginning and 157.2 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: 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 someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L3] double x; [L4] int y; [L6] x=2 [L7] x-=0.6 [L8] y=x [L10] COND TRUE !(y==1) VAL [y=0] [L10] __VERIFIER_error() VAL [y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 16 locations, 2 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=16occurred 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...