/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/Rump_float.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 17:36:00,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 17:36:00,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 17:36:00,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 17:36:00,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 17:36:00,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 17:36:00,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 17:36:00,294 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 17:36:00,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 17:36:00,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 17:36:00,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 17:36:00,314 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 17:36:00,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 17:36:00,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 17:36:00,321 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 17:36:00,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 17:36:00,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 17:36:00,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 17:36:00,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 17:36:00,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 17:36:00,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 17:36:00,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 17:36:00,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 17:36:00,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 17:36:00,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 17:36:00,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 17:36:00,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 17:36:00,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 17:36:00,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 17:36:00,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 17:36:00,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 17:36:00,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 17:36:00,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 17:36:00,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 17:36:00,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 17:36:00,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 17:36:00,386 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 17:36:00,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 17:36:00,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 17:36:00,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 17:36:00,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 17:36:00,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 17:36:00,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 17:36:00,388 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 17:36:00,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 17:36:00,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 17:36:00,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 17:36:00,898 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 17:36:00,898 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 17:36:00,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_float.c [2021-02-23 17:36:00,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea08efe6f/8bfc8c79cd5e4022bfc8170ac1b9d9b7/FLAG915ecf5ff [2021-02-23 17:36:01,653 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 17:36:01,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_float.c [2021-02-23 17:36:01,661 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea08efe6f/8bfc8c79cd5e4022bfc8170ac1b9d9b7/FLAG915ecf5ff [2021-02-23 17:36:02,042 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea08efe6f/8bfc8c79cd5e4022bfc8170ac1b9d9b7 [2021-02-23 17:36:02,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 17:36:02,060 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 17:36:02,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 17:36:02,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 17:36:02,070 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 17:36:02,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7357a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02, skipping insertion in model container [2021-02-23 17:36:02,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 17:36:02,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 17:36:02,232 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_float.c[338,351] [2021-02-23 17:36:02,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:36:02,262 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 17:36:02,276 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/Rump_float.c[338,351] [2021-02-23 17:36:02,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 17:36:02,300 INFO L208 MainTranslator]: Completed translation [2021-02-23 17:36:02,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02 WrapperNode [2021-02-23 17:36:02,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 17:36:02,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 17:36:02,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 17:36:02,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 17:36:02,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (1/1) ... [2021-02-23 17:36:02,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 17:36:02,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 17:36:02,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 17:36:02,340 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 17:36:02,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (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 [2021-02-23 17:36:02,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 17:36:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 17:36:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 17:36:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 17:36:02,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 17:36:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 17:36:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 17:36:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 17:36:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 17:36:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 17:36:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 17:36:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 17:36:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 17:36:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 17:36:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 17:36:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 17:36:02,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 17:36:02,747 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 17:36:02,748 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 17:36:02,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:36:02 BoogieIcfgContainer [2021-02-23 17:36:02,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 17:36:02,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 17:36:02,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 17:36:02,755 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 17:36:02,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 05:36:02" (1/3) ... [2021-02-23 17:36:02,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458430b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:36:02, skipping insertion in model container [2021-02-23 17:36:02,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 05:36:02" (2/3) ... [2021-02-23 17:36:02,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@458430b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 05:36:02, skipping insertion in model container [2021-02-23 17:36:02,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 05:36:02" (3/3) ... [2021-02-23 17:36:02,759 INFO L111 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2021-02-23 17:36:02,766 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 17:36:02,775 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 17:36:02,804 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 17:36:02,843 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 17:36:02,843 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 17:36:02,844 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 17:36:02,844 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 17:36:02,844 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 17:36:02,844 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 17:36:02,844 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 17:36:02,844 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 17:36:02,870 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2021-02-23 17:36:02,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-02-23 17:36:02,885 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 17:36:02,886 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 17:36:02,887 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 17:36:02,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 17:36:02,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1930690202, now seen corresponding path program 1 times [2021-02-23 17:36:02,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 17:36:02,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465887907] [2021-02-23 17:36:02,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 17:36:03,020 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 17:36:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:36:03,153 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:36:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 17:36:03,218 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 17:36:03,249 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 17:36:03,249 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 17:36:03,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 17:36:03,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 05:36:03 BoogieIcfgContainer [2021-02-23 17:36:03,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 17:36:03,270 INFO L168 Benchmark]: Toolchain (without parser) took 1221.14 ms. Allocated memory is still 167.8 MB. Free memory was 144.7 MB in the beginning and 142.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.7 MB. Max. memory is 8.0 GB. [2021-02-23 17:36:03,271 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 167.8 MB. Free memory is still 140.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:36:03,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.34 ms. Allocated memory is still 167.8 MB. Free memory was 143.6 MB in the beginning and 133.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-23 17:36:03,274 INFO L168 Benchmark]: Boogie Preprocessor took 36.32 ms. Allocated memory is still 167.8 MB. Free memory was 133.4 MB in the beginning and 131.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-23 17:36:03,275 INFO L168 Benchmark]: RCFGBuilder took 410.46 ms. Allocated memory is still 167.8 MB. Free memory was 131.9 MB in the beginning and 119.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-23 17:36:03,276 INFO L168 Benchmark]: TraceAbstraction took 515.79 ms. Allocated memory is still 167.8 MB. Free memory was 118.5 MB in the beginning and 142.6 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 17:36:03,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 167.8 MB. Free memory is still 140.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 235.34 ms. Allocated memory is still 167.8 MB. Free memory was 143.6 MB in the beginning and 133.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.32 ms. Allocated memory is still 167.8 MB. Free memory was 133.4 MB in the beginning and 131.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 410.46 ms. Allocated memory is still 167.8 MB. Free memory was 131.9 MB in the beginning and 119.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 515.79 ms. Allocated memory is still 167.8 MB. Free memory was 118.5 MB in the beginning and 142.6 MB in the end (delta: -24.1 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x,y,r; [L11] x = 77617.f [L12] y = 33096.f [L13] r = 333.75f * y*y*y*y*y*y + x*x * (11.0f * x*x*y*y - y*y*y*y*y*y - 121.0f * y*y*y*y - 2.0f) + 5.5f * y*y*y*y*y*y*y*y + x / (2.f * y) [L15] CALL __VERIFIER_assert((r >= 0)) [L6] COND TRUE !(cond) [L6] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, 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=31occurred 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...