/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/float-benchs/Rump_float.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:09:48,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:09:48,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:09:48,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:09:48,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:09:48,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:09:48,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:09:48,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:09:48,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:09:48,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:09:48,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:09:48,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:09:48,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:09:48,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:09:48,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:09:48,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:09:48,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:09:48,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:09:48,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:09:48,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:09:48,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:09:48,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:09:48,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:09:48,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:09:48,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 16:09:48,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 16:09:48,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 16:09:48,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 16:09:48,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 16:09:48,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 16:09:48,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 16:09:48,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 16:09:48,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 16:09:48,686 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 16:09:48,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 16:09:48,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 16:09:48,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 16:09:48,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 16:09:48,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:09:48,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:09:48,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:09:48,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 16:09:48,704 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:09:48,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:09:48,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:09:48,706 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:09:48,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:09:48,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:09:48,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:09:48,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:09:48,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:09:48,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:09:48,708 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:09:48,708 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:09:48,708 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:09:48,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:09:48,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:09:48,709 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:09:48,709 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:09:48,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:09:48,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:09:48,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:09:48,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:09:48,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:09:48,710 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:09:49,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:09:49,213 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:09:49,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:09:49,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:09:49,220 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:09:49,221 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/Rump_float.c [2020-09-04 16:09:49,310 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c7baa4f/5e9f387937c04c3897fee8e4002aa012/FLAG8ecee3134 [2020-09-04 16:09:49,835 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:09:49,835 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/Rump_float.c [2020-09-04 16:09:49,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c7baa4f/5e9f387937c04c3897fee8e4002aa012/FLAG8ecee3134 [2020-09-04 16:09:50,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/38c7baa4f/5e9f387937c04c3897fee8e4002aa012 [2020-09-04 16:09:50,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:09:50,285 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:09:50,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:09:50,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:09:50,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:09:50,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fcb5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50, skipping insertion in model container [2020-09-04 16:09:50,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:09:50,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:09:50,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:09:50,557 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:09:50,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:09:50,604 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:09:50,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50 WrapperNode [2020-09-04 16:09:50,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:09:50,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:09:50,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:09:50,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:09:50,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... [2020-09-04 16:09:50,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:09:50,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:09:50,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:09:50,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:09:50,752 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 16:09:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:09:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:09:50,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 16:09:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:09:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:09:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 16:09:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:09:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:09:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:09:51,055 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:09:51,055 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:09:51,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:51 BoogieIcfgContainer [2020-09-04 16:09:51,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:09:51,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:09:51,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:09:51,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:09:51,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:09:50" (1/3) ... [2020-09-04 16:09:51,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4affd243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:51, skipping insertion in model container [2020-09-04 16:09:51,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:50" (2/3) ... [2020-09-04 16:09:51,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4affd243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:51, skipping insertion in model container [2020-09-04 16:09:51,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:51" (3/3) ... [2020-09-04 16:09:51,073 INFO L109 eAbstractionObserver]: Analyzing ICFG Rump_float.c [2020-09-04 16:09:51,084 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:09:51,092 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:09:51,114 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:09:51,141 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:09:51,141 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:09:51,141 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:09:51,141 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:09:51,141 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:09:51,142 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:09:51,142 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:09:51,142 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:09:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-09-04 16:09:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-04 16:09:51,169 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:09:51,170 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:09:51,171 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:09:51,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:09:51,177 INFO L82 PathProgramCache]: Analyzing trace with hash 209371200, now seen corresponding path program 1 times [2020-09-04 16:09:51,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:09:51,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556703616] [2020-09-04 16:09:51,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:09:51,267 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:09:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:09:51,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:09:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:09:51,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:09:51,349 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:09:51,349 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:09:51,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:09:51,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:09:51 BoogieIcfgContainer [2020-09-04 16:09:51,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:09:51,374 INFO L168 Benchmark]: Toolchain (without parser) took 1086.76 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 101.3 MB in the beginning and 155.5 MB in the end (delta: -54.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:51,375 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-09-04 16:09:51,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.49 ms. Allocated memory is still 137.9 MB. Free memory was 101.1 MB in the beginning and 91.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:51,377 INFO L168 Benchmark]: Boogie Preprocessor took 136.34 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.2 MB in the beginning and 179.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:51,378 INFO L168 Benchmark]: RCFGBuilder took 318.10 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 168.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:51,379 INFO L168 Benchmark]: TraceAbstraction took 307.11 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 155.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:51,383 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 319.49 ms. Allocated memory is still 137.9 MB. Free memory was 101.1 MB in the beginning and 91.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.34 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 91.2 MB in the beginning and 179.8 MB in the end (delta: -88.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 318.10 ms. Allocated memory is still 201.9 MB. Free memory was 179.8 MB in the beginning and 168.9 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 307.11 ms. Allocated memory is still 201.9 MB. Free memory was 168.2 MB in the beginning and 155.5 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 4]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 11. Possible FailurePath: [L8] float x,y,r; [L9] x = 77617.f [L10] y = 33096.f [L11] 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) [L13] CALL __VERIFIER_assert((r >= 0)) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, 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=22occurred 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...