/usr/bin/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 18:28:57,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 18:28:57,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 18:28:57,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 18:28:57,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 18:28:57,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 18:28:57,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 18:28:57,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 18:28:57,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 18:28:57,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 18:28:57,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 18:28:57,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 18:28:57,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 18:28:57,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 18:28:57,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 18:28:57,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 18:28:57,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 18:28:57,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 18:28:57,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 18:28:57,941 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 18:28:57,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 18:28:57,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 18:28:57,944 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 18:28:57,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 18:28:57,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 18:28:57,947 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 18:28:57,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 18:28:57,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 18:28:57,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 18:28:57,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 18:28:57,950 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 18:28:57,951 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 18:28:57,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 18:28:57,952 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 18:28:57,953 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 18:28:57,953 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 18:28:57,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 18:28:57,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 18:28:57,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 18:28:57,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 18:28:57,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 18:28:57,957 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 18:28:57,972 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 18:28:57,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 18:28:57,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 18:28:57,976 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 18:28:57,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 18:28:57,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 18:28:57,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 18:28:57,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 18:28:57,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 18:28:57,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 18:28:57,977 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 18:28:57,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 18:28:57,977 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 18:28:57,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 18:28:57,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 18:28:57,978 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 18:28:57,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 18:28:57,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 18:28:57,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 18:28:57,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 18:28:57,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 18:28:57,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 18:28:57,981 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 18:28:58,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 18:28:58,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 18:28:58,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 18:28:58,295 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 18:28:58,295 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 18:28:58,296 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-08-22 18:28:58,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25db8265e/c1ec1cea38214081b75e88d7fee25797/FLAGee70409c1 [2020-08-22 18:28:58,810 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 18:28:58,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2020-08-22 18:28:58,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25db8265e/c1ec1cea38214081b75e88d7fee25797/FLAGee70409c1 [2020-08-22 18:28:59,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25db8265e/c1ec1cea38214081b75e88d7fee25797 [2020-08-22 18:28:59,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 18:28:59,198 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 18:28:59,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 18:28:59,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 18:28:59,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 18:28:59,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d04bb86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59, skipping insertion in model container [2020-08-22 18:28:59,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 18:28:59,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 18:28:59,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:28:59,400 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 18:28:59,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 18:28:59,432 INFO L208 MainTranslator]: Completed translation [2020-08-22 18:28:59,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59 WrapperNode [2020-08-22 18:28:59,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 18:28:59,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 18:28:59,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 18:28:59,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 18:28:59,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (1/1) ... [2020-08-22 18:28:59,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 18:28:59,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 18:28:59,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 18:28:59,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 18:28:59,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (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 [2020-08-22 18:28:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 18:28:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 18:28:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 18:28:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 18:28:59,612 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 18:28:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 18:28:59,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 18:28:59,760 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 18:28:59,760 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 18:28:59,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:28:59 BoogieIcfgContainer [2020-08-22 18:28:59,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 18:28:59,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 18:28:59,765 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 18:28:59,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 18:28:59,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:28:59" (1/3) ... [2020-08-22 18:28:59,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e557638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:28:59, skipping insertion in model container [2020-08-22 18:28:59,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:28:59" (2/3) ... [2020-08-22 18:28:59,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e557638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:28:59, skipping insertion in model container [2020-08-22 18:28:59,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:28:59" (3/3) ... [2020-08-22 18:28:59,771 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp7.c [2020-08-22 18:28:59,781 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 18:28:59,787 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 18:28:59,801 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 18:28:59,822 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 18:28:59,822 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 18:28:59,822 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 18:28:59,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 18:28:59,823 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 18:28:59,823 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 18:28:59,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 18:28:59,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 18:28:59,836 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-08-22 18:28:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-08-22 18:28:59,846 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 18:28:59,847 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 18:28:59,847 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 18:28:59,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 18:28:59,854 INFO L82 PathProgramCache]: Analyzing trace with hash 49487314, now seen corresponding path program 1 times [2020-08-22 18:28:59,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 18:28:59,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [286556021] [2020-08-22 18:28:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 18:28:59,913 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 18:28:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:28:59,940 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:28:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 18:28:59,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 18:28:59,967 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 18:28:59,968 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 18:28:59,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 18:28:59,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 06:28:59 BoogieIcfgContainer [2020-08-22 18:28:59,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 18:28:59,985 INFO L168 Benchmark]: Toolchain (without parser) took 785.46 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.7 MB in the beginning and 157.9 MB in the end (delta: -54.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:59,986 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 18:28:59,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.73 ms. Allocated memory is still 140.0 MB. Free memory was 103.5 MB in the beginning and 93.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:59,987 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 140.0 MB. Free memory was 93.4 MB in the beginning and 92.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:59,989 INFO L168 Benchmark]: RCFGBuilder took 301.07 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 91.8 MB in the beginning and 171.4 MB in the end (delta: -79.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:59,990 INFO L168 Benchmark]: TraceAbstraction took 216.48 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 157.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2020-08-22 18:28:59,994 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 234.73 ms. Allocated memory is still 140.0 MB. Free memory was 103.5 MB in the beginning and 93.4 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 140.0 MB. Free memory was 93.4 MB in the beginning and 92.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 301.07 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 91.8 MB in the beginning and 171.4 MB in the end (delta: -79.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 216.48 ms. Allocated memory is still 202.4 MB. Free memory was 170.7 MB in the beginning and 157.9 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someUnaryFLOAToperation at line 6, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L4] float f = 0x1.9e0c22p-101f; [L5] float g = -0x1.3c9014p-50f; [L6] float target = -0x1p-149f; [L8] float result = f * g; [L10] COND TRUE !(result == target) [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...