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/float5.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:09:59,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:09:59,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:09:59,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:09:59,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:09:59,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:09:59,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:09:59,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:09:59,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:09:59,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:09:59,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:09:59,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:09:59,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:09:59,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:09:59,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:09:59,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:09:59,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:09:59,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:09:59,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:09:59,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:09:59,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:09:59,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:09:59,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:09:59,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:09:59,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:09:59,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:09:59,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:09:59,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:09:59,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:09:59,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:09:59,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:09:59,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:09:59,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:09:59,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:09:59,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:09:59,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:09:59,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:09:59,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:09:59,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:09:59,613 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:09:59,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:09:59,615 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 01:09:59,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:09:59,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:09:59,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:09:59,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:09:59,631 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:09:59,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:09:59,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:09:59,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:09:59,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:09:59,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:09:59,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:09:59,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:09:59,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:09:59,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:09:59,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:09:59,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:09:59,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:09:59,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:09:59,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:09:59,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:09:59,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:09:59,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:09:59,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:09:59,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:09:59,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:09:59,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:09:59,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:09:59,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:09:59,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:09:59,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:09:59,681 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:09:59,684 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:09:59,685 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:09:59,686 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:09:59,687 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float5.c [2019-09-08 01:09:59,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3950f41/9a2799a712db45b2bac465c77d7a69b3/FLAGa20cbf090 [2019-09-08 01:10:00,157 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:10:00,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float5.c [2019-09-08 01:10:00,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3950f41/9a2799a712db45b2bac465c77d7a69b3/FLAGa20cbf090 [2019-09-08 01:10:00,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b3950f41/9a2799a712db45b2bac465c77d7a69b3 [2019-09-08 01:10:00,591 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:10:00,592 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:10:00,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:10:00,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:10:00,597 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:10:00,598 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ec5ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00, skipping insertion in model container [2019-09-08 01:10:00,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:10:00,624 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:10:00,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:10:00,818 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:10:00,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:10:00,848 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:10:00,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00 WrapperNode [2019-09-08 01:10:00,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:10:00,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:10:00,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:10:00,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:10:00,948 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (1/1) ... [2019-09-08 01:10:00,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:10:00,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:10:00,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:10:00,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:10:00,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (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 01:10:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:10:01,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:10:01,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:10:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:10:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:10:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:10:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:10:01,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:10:01,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:10:01,155 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:10:01,155 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:10:01,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:10:01 BoogieIcfgContainer [2019-09-08 01:10:01,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:10:01,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:10:01,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:10:01,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:10:01,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:10:00" (1/3) ... [2019-09-08 01:10:01,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60867b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:10:01, skipping insertion in model container [2019-09-08 01:10:01,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:10:00" (2/3) ... [2019-09-08 01:10:01,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60867b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:10:01, skipping insertion in model container [2019-09-08 01:10:01,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:10:01" (3/3) ... [2019-09-08 01:10:01,164 INFO L109 eAbstractionObserver]: Analyzing ICFG float5.c [2019-09-08 01:10:01,173 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:10:01,180 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:10:01,194 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:10:01,219 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:10:01,219 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:10:01,219 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:10:01,220 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:10:01,220 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:10:01,220 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:10:01,220 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:10:01,220 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:10:01,220 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:10:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-09-08 01:10:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-09-08 01:10:01,245 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:10:01,246 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:10:01,248 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:10:01,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:10:01,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1297293521, now seen corresponding path program 1 times [2019-09-08 01:10:01,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:10:01,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:10:01,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:10:01,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:10:01,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:10:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:10:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:10:01,358 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:10:01,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:10:01 BoogieIcfgContainer [2019-09-08 01:10:01,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:10:01,381 INFO L168 Benchmark]: Toolchain (without parser) took 787.76 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 90.2 MB in the beginning and 153.9 MB in the end (delta: -63.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:01,382 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:10:01,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.22 ms. Allocated memory is still 133.7 MB. Free memory was 90.2 MB in the beginning and 80.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:01,384 INFO L168 Benchmark]: Boogie Preprocessor took 111.42 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.2 MB in the beginning and 176.7 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:01,385 INFO L168 Benchmark]: RCFGBuilder took 195.62 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 166.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:01,386 INFO L168 Benchmark]: TraceAbstraction took 220.85 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 153.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:10:01,389 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.22 ms. Allocated memory is still 133.7 MB. Free memory was 90.2 MB in the beginning and 80.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.42 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 80.2 MB in the beginning and 176.7 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 195.62 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 166.7 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 220.85 ms. Allocated memory is still 200.3 MB. Free memory was 166.7 MB in the beginning and 153.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 12]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryDOUBLEComparisonOperation at line 8, overapproximation of someBinaryArithmeticFLOAToperation at line 10. Possible FailurePath: [L6] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L6] float a=__VERIFIER_nondet_float(), b=__VERIFIER_nondet_float(); [L9] b=a [L10] a/=2 [L11] a*=2 VAL [b=0] [L12] COND TRUE !(a==b) VAL [b=0] [L12] __VERIFIER_error() VAL [b=0] - 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...