java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/float-benchs/nan_float_false-unreach-call_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2c62905 [2018-09-19 15:40:05,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-19 15:40:05,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-19 15:40:05,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-19 15:40:05,267 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-19 15:40:05,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-19 15:40:05,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-19 15:40:05,272 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-19 15:40:05,274 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-19 15:40:05,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-19 15:40:05,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-19 15:40:05,276 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-19 15:40:05,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-19 15:40:05,278 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-19 15:40:05,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-19 15:40:05,280 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-19 15:40:05,281 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-19 15:40:05,283 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-19 15:40:05,285 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-19 15:40:05,287 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-19 15:40:05,288 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-19 15:40:05,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-19 15:40:05,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-19 15:40:05,293 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-19 15:40:05,293 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-19 15:40:05,294 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-19 15:40:05,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-19 15:40:05,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-19 15:40:05,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-19 15:40:05,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-19 15:40:05,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-19 15:40:05,299 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-19 15:40:05,300 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-19 15:40:05,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-19 15:40:05,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-19 15:40:05,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-19 15:40:05,302 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-19 15:40:05,318 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-19 15:40:05,318 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-19 15:40:05,319 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-19 15:40:05,319 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-19 15:40:05,320 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-19 15:40:05,320 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-19 15:40:05,320 INFO L133 SettingsManager]: * Use SBE=true [2018-09-19 15:40:05,321 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-19 15:40:05,321 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-19 15:40:05,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-19 15:40:05,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-19 15:40:05,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-19 15:40:05,322 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-19 15:40:05,322 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-19 15:40:05,322 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-19 15:40:05,322 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-19 15:40:05,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-19 15:40:05,323 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-19 15:40:05,323 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-19 15:40:05,323 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-19 15:40:05,323 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-19 15:40:05,323 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-19 15:40:05,324 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-19 15:40:05,324 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-19 15:40:05,324 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-19 15:40:05,324 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-19 15:40:05,324 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-19 15:40:05,324 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-19 15:40:05,325 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-19 15:40:05,325 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-19 15:40:05,325 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-19 15:40:05,325 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-19 15:40:05,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-19 15:40:05,399 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-19 15:40:05,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-19 15:40:05,406 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-19 15:40:05,406 INFO L276 PluginConnector]: CDTParser initialized [2018-09-19 15:40:05,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-09-19 15:40:05,752 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83bc9fe4/81538c5ca3a64df78838ea9275c67969/FLAG1c269a87e [2018-09-19 15:40:05,912 INFO L277 CDTParser]: Found 1 translation units. [2018-09-19 15:40:05,913 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_float_false-unreach-call_true-termination.c [2018-09-19 15:40:05,919 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83bc9fe4/81538c5ca3a64df78838ea9275c67969/FLAG1c269a87e [2018-09-19 15:40:05,934 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b83bc9fe4/81538c5ca3a64df78838ea9275c67969 [2018-09-19 15:40:05,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-19 15:40:05,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-19 15:40:05,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-19 15:40:05,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-19 15:40:05,956 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-19 15:40:05,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:40:05" (1/1) ... [2018-09-19 15:40:05,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4797269e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:05, skipping insertion in model container [2018-09-19 15:40:05,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 03:40:05" (1/1) ... [2018-09-19 15:40:05,974 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-19 15:40:06,176 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:40:06,200 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-19 15:40:06,204 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-19 15:40:06,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06 WrapperNode [2018-09-19 15:40:06,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-19 15:40:06,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-19 15:40:06,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-19 15:40:06,223 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-19 15:40:06,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (1/1) ... [2018-09-19 15:40:06,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-19 15:40:06,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-19 15:40:06,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-19 15:40:06,257 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-19 15:40:06,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (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 [2018-09-19 15:40:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-19 15:40:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-19 15:40:06,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-19 15:40:06,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-19 15:40:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-19 15:40:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-09-19 15:40:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-19 15:40:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-19 15:40:06,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-19 15:40:06,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-19 15:40:06,567 INFO L356 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-19 15:40:06,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:40:06 BoogieIcfgContainer [2018-09-19 15:40:06,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-19 15:40:06,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-19 15:40:06,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-19 15:40:06,573 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-19 15:40:06,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.09 03:40:05" (1/3) ... [2018-09-19 15:40:06,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a867d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:40:06, skipping insertion in model container [2018-09-19 15:40:06,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 03:40:06" (2/3) ... [2018-09-19 15:40:06,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a867d3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.09 03:40:06, skipping insertion in model container [2018-09-19 15:40:06,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 03:40:06" (3/3) ... [2018-09-19 15:40:06,577 INFO L112 eAbstractionObserver]: Analyzing ICFG nan_float_false-unreach-call_true-termination.c [2018-09-19 15:40:06,587 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-19 15:40:06,596 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-19 15:40:06,652 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-19 15:40:06,653 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-19 15:40:06,653 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-19 15:40:06,653 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-19 15:40:06,653 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-19 15:40:06,653 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-19 15:40:06,654 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-19 15:40:06,654 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-19 15:40:06,654 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-19 15:40:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2018-09-19 15:40:06,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-19 15:40:06,683 INFO L368 BasicCegarLoop]: Found error trace [2018-09-19 15:40:06,684 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-19 15:40:06,686 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-19 15:40:06,692 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2018-09-19 15:40:06,697 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-19 15:40:06,697 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-09-19 15:40:06,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-09-19 15:40:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:40:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-19 15:40:06,800 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-19 15:40:06,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.09 03:40:06 BoogieIcfgContainer [2018-09-19 15:40:06,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-19 15:40:06,835 INFO L168 Benchmark]: Toolchain (without parser) took 890.20 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -745.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:40:06,838 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:40:06,839 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-19 15:40:06,841 INFO L168 Benchmark]: Boogie Preprocessor took 32.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-19 15:40:06,842 INFO L168 Benchmark]: RCFGBuilder took 311.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2018-09-19 15:40:06,843 INFO L168 Benchmark]: TraceAbstraction took 265.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-09-19 15:40:06,850 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 273.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 311.86 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 732.4 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -782.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 265.05 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.2 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] float x; [L11] x = __VERIFIER_nondet_float() [L13] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __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 proved your program to be incorrect! Received shutdown request...