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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/float-newlib/float_req_bl_1011b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 01:44:47,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 01:44:47,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 01:44:47,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 01:44:47,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 01:44:47,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 01:44:47,914 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 01:44:47,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 01:44:47,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 01:44:47,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 01:44:47,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 01:44:47,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 01:44:47,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 01:44:47,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 01:44:47,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 01:44:47,923 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 01:44:47,924 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 01:44:47,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 01:44:47,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 01:44:47,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 01:44:47,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 01:44:47,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 01:44:47,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 01:44:47,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 01:44:47,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 01:44:47,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 01:44:47,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 01:44:47,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 01:44:47,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 01:44:47,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 01:44:47,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 01:44:47,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 01:44:47,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 01:44:47,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 01:44:47,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 01:44:47,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 01:44:47,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 01:44:47,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 01:44:47,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 01:44:47,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 01:44:47,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 01:44:47,947 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 01:44:47,962 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 01:44:47,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 01:44:47,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 01:44:47,963 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 01:44:47,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 01:44:47,963 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 01:44:47,964 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 01:44:47,964 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 01:44:47,964 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 01:44:47,964 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 01:44:47,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 01:44:47,965 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 01:44:47,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 01:44:47,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 01:44:47,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 01:44:47,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 01:44:47,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 01:44:47,966 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 01:44:47,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 01:44:47,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 01:44:47,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 01:44:47,967 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 01:44:47,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 01:44:47,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 01:44:47,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 01:44:47,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 01:44:47,968 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 01:44:47,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 01:44:47,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 01:44:47,969 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 01:44:47,995 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 01:44:48,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 01:44:48,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 01:44:48,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 01:44:48,012 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 01:44:48,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/float_req_bl_1011b.c [2019-09-10 01:44:48,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0dbfd597/c4bbec98a6ad40f184f84b65cbe309f3/FLAG3bf9d925c [2019-09-10 01:44:48,536 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 01:44:48,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/float_req_bl_1011b.c [2019-09-10 01:44:48,543 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0dbfd597/c4bbec98a6ad40f184f84b65cbe309f3/FLAG3bf9d925c [2019-09-10 01:44:48,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0dbfd597/c4bbec98a6ad40f184f84b65cbe309f3 [2019-09-10 01:44:48,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 01:44:48,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 01:44:48,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:48,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 01:44:48,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 01:44:48,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:48" (1/1) ... [2019-09-10 01:44:48,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f8335c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:48, skipping insertion in model container [2019-09-10 01:44:48,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 01:44:48" (1/1) ... [2019-09-10 01:44:48,922 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 01:44:48,939 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 01:44:49,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:49,138 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 01:44:49,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 01:44:49,178 INFO L192 MainTranslator]: Completed translation [2019-09-10 01:44:49,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49 WrapperNode [2019-09-10 01:44:49,179 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 01:44:49,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 01:44:49,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 01:44:49,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 01:44:49,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (1/1) ... [2019-09-10 01:44:49,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 01:44:49,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 01:44:49,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 01:44:49,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 01:44:49,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (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 [2019-09-10 01:44:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 01:44:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 01:44:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2019-09-10 01:44:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2019-09-10 01:44:49,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 01:44:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 01:44:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-10 01:44:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2019-09-10 01:44:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 01:44:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-10 01:44:49,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 01:44:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 01:44:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 01:44:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-10 01:44:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2019-09-10 01:44:49,365 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 01:44:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 01:44:49,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 01:44:49,692 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 01:44:49,693 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-09-10 01:44:49,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:49 BoogieIcfgContainer [2019-09-10 01:44:49,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 01:44:49,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 01:44:49,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 01:44:49,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 01:44:49,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 01:44:48" (1/3) ... [2019-09-10 01:44:49,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172139d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:49, skipping insertion in model container [2019-09-10 01:44:49,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 01:44:49" (2/3) ... [2019-09-10 01:44:49,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172139d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 01:44:49, skipping insertion in model container [2019-09-10 01:44:49,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 01:44:49" (3/3) ... [2019-09-10 01:44:49,701 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011b.c [2019-09-10 01:44:49,710 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 01:44:49,716 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 01:44:49,732 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 01:44:49,759 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 01:44:49,760 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 01:44:49,760 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 01:44:49,760 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 01:44:49,760 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 01:44:49,760 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 01:44:49,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 01:44:49,761 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 01:44:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2019-09-10 01:44:49,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-09-10 01:44:49,787 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 01:44:49,788 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 01:44:49,790 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 01:44:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 01:44:49,794 INFO L82 PathProgramCache]: Analyzing trace with hash 607847462, now seen corresponding path program 1 times [2019-09-10 01:44:49,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 01:44:49,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:49,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 01:44:49,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 01:44:49,835 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 01:44:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 01:44:49,966 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 01:44:49,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 01:44:49 BoogieIcfgContainer [2019-09-10 01:44:49,993 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 01:44:49,996 INFO L168 Benchmark]: Toolchain (without parser) took 1089.13 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.6 MB in the beginning and 143.3 MB in the end (delta: -54.7 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:49,997 INFO L168 Benchmark]: CDTParser took 0.24 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. [2019-09-10 01:44:49,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.37 ms. Allocated memory is still 132.6 MB. Free memory was 88.4 MB in the beginning and 78.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:49,999 INFO L168 Benchmark]: Boogie Preprocessor took 124.82 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.0 MB in the beginning and 175.4 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:50,000 INFO L168 Benchmark]: RCFGBuilder took 389.99 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 157.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:50,002 INFO L168 Benchmark]: TraceAbstraction took 297.87 ms. Allocated memory is still 199.8 MB. Free memory was 157.7 MB in the beginning and 143.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-10 01:44:50,007 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 132.6 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 272.37 ms. Allocated memory is still 132.6 MB. Free memory was 88.4 MB in the beginning and 78.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.82 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.0 MB in the beginning and 175.4 MB in the end (delta: -97.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 389.99 ms. Allocated memory is still 199.8 MB. Free memory was 175.4 MB in the beginning and 157.7 MB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 297.87 ms. Allocated memory is still 199.8 MB. Free memory was 157.7 MB in the beginning and 143.3 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseAnd at line 21. Possible FailurePath: [L45] float x = -0.0f; VAL [x=0] [L46] CALL, EXPR fabs_float(x) VAL [\old(x)=0] [L13] __uint32_t ix; VAL [\old(x)=0, x=0] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (ix) = gf_u.word [L20] ieee_float_shape_type sf_u; [L21] sf_u.word = (ix & 0x7fffffff) [L22] EXPR sf_u.value [L22] (x) = sf_u.value [L24] return x; VAL [\old(x)=0, \result=9, ix=10, x=9] [L46] RET, EXPR fabs_float(x) VAL [fabs_float(x)=9, x=0] [L46] float res = fabs_float(x); [L49] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=9, res == 0.0f && __signbit_float(res) == 0=0, x=0] [L49] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L50] __VERIFIER_error() VAL [res=9, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. UNSAFE Result, 0.2s 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=32occurred 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, 17 NumberOfCodeBlocks, 17 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...