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/float-benchs/float_double.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:11:38,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:11:38,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:11:39,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 01:11:39,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 01:11:39,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 01:11:39,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 01:11:39,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 01:11:39,016 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 01:11:39,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 01:11:39,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 01:11:39,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 01:11:39,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:11:39,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:11:39,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:11:39,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:11:39,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:11:39,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:11:39,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:11:39,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:11:39,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:11:39,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:11:39,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:11:39,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:11:39,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 01:11:39,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 01:11:39,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 01:11:39,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 01:11:39,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 01:11:39,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 01:11:39,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 01:11:39,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 01:11:39,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 01:11:39,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 01:11:39,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 01:11:39,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 01:11:39,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 01:11:39,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 01:11:39,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:11:39,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:11:39,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:11:39,052 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 01:11:39,068 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:11:39,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:11:39,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:11:39,070 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:11:39,070 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:11:39,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:11:39,070 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:11:39,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:11:39,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:11:39,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:11:39,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:11:39,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:11:39,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:11:39,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:11:39,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:11:39,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:11:39,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:11:39,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:11:39,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:11:39,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:11:39,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:11:39,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:11:39,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:11:39,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:11:39,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:11:39,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:11:39,074 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:11:39,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:11:39,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:11:39,106 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:11:39,123 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:11:39,127 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:11:39,128 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:11:39,129 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:11:39,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/float_double.c [2019-09-08 01:11:39,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aae87680/2e3e9c8a2587488684cfdf1773e5d39b/FLAG4fcb98a94 [2019-09-08 01:11:39,695 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:11:39,699 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/float_double.c [2019-09-08 01:11:39,709 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aae87680/2e3e9c8a2587488684cfdf1773e5d39b/FLAG4fcb98a94 [2019-09-08 01:11:40,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aae87680/2e3e9c8a2587488684cfdf1773e5d39b [2019-09-08 01:11:40,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:11:40,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:11:40,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:11:40,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:11:40,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:11:40,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192d0572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40, skipping insertion in model container [2019-09-08 01:11:40,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:11:40,066 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:11:40,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:11:40,301 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:11:40,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:11:40,335 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:11:40,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40 WrapperNode [2019-09-08 01:11:40,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:11:40,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:11:40,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:11:40,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:11:40,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (1/1) ... [2019-09-08 01:11:40,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:11:40,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:11:40,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:11:40,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:11:40,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (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 01:11:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:11:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:11:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 01:11:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:11:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:11:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:11:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:11:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:11:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:11:40,642 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:11:40,643 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:11:40,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:11:40 BoogieIcfgContainer [2019-09-08 01:11:40,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:11:40,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:11:40,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:11:40,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:11:40,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:11:40" (1/3) ... [2019-09-08 01:11:40,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b04f1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:11:40, skipping insertion in model container [2019-09-08 01:11:40,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:11:40" (2/3) ... [2019-09-08 01:11:40,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b04f1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:11:40, skipping insertion in model container [2019-09-08 01:11:40,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:11:40" (3/3) ... [2019-09-08 01:11:40,652 INFO L109 eAbstractionObserver]: Analyzing ICFG float_double.c [2019-09-08 01:11:40,659 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:11:40,665 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:11:40,680 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:11:40,710 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:11:40,711 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:11:40,711 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:11:40,711 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:11:40,712 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:11:40,712 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:11:40,712 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:11:40,712 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:11:40,712 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:11:40,730 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-08 01:11:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-08 01:11:40,737 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:11:40,738 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:11:40,739 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:11:40,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:11:40,745 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2019-09-08 01:11:40,746 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:11:40,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:11:40,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:11:40,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:11:40,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:11:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:11:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:11:40,857 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:11:40,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:11:40 BoogieIcfgContainer [2019-09-08 01:11:40,876 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:11:40,879 INFO L168 Benchmark]: Toolchain (without parser) took 848.03 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 88.4 MB in the beginning and 151.1 MB in the end (delta: -62.7 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:40,881 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:11:40,882 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.51 ms. Allocated memory is still 132.1 MB. Free memory was 88.2 MB in the beginning and 79.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:40,883 INFO L168 Benchmark]: Boogie Preprocessor took 125.27 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 79.1 MB in the beginning and 173.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:40,884 INFO L168 Benchmark]: RCFGBuilder took 182.62 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 163.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:40,885 INFO L168 Benchmark]: TraceAbstraction took 230.54 ms. Allocated memory is still 197.7 MB. Free memory was 163.0 MB in the beginning and 151.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:11:40,889 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 132.1 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 302.51 ms. Allocated memory is still 132.1 MB. Free memory was 88.2 MB in the beginning and 79.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.27 ms. Allocated memory was 132.1 MB in the beginning and 197.7 MB in the end (delta: 65.5 MB). Free memory was 79.1 MB in the beginning and 173.9 MB in the end (delta: -94.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 182.62 ms. Allocated memory is still 197.7 MB. Free memory was 173.9 MB in the beginning and 163.7 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 230.54 ms. Allocated memory is still 197.7 MB. Free memory was 163.0 MB in the beginning and 151.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 10, overapproximation of someBinaryArithmeticDOUBLEoperation at line 8. Possible FailurePath: [L8] double x = 1e20 + 1.; [L9] float y = x; VAL [x=1, y=1] [L10] CALL __VERIFIER_assert(x != y) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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...