/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/addsub_float_inexact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 16:09:50,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 16:09:50,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 16:09:50,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 16:09:50,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 16:09:50,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 16:09:50,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 16:09:50,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 16:09:50,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 16:09:50,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 16:09:50,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 16:09:50,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 16:09:50,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 16:09:50,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 16:09:50,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 16:09:50,977 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 16:09:50,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 16:09:50,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 16:09:50,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 16:09:50,982 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 16:09:50,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 16:09:50,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 16:09:50,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 16:09:50,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 16:09:50,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 16:09:50,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 16:09:50,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 16:09:50,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 16:09:50,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 16:09:50,992 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 16:09:50,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 16:09:50,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 16:09:50,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 16:09:50,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 16:09:50,997 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 16:09:50,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 16:09:50,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 16:09:50,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 16:09:50,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 16:09:51,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 16:09:51,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 16:09:51,001 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 16:09:51,028 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 16:09:51,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 16:09:51,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 16:09:51,032 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 16:09:51,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 16:09:51,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 16:09:51,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 16:09:51,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 16:09:51,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 16:09:51,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 16:09:51,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 16:09:51,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 16:09:51,034 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 16:09:51,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 16:09:51,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 16:09:51,036 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 16:09:51,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 16:09:51,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 16:09:51,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 16:09:51,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 16:09:51,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 16:09:51,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 16:09:51,038 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 16:09:51,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 16:09:51,505 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 16:09:51,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 16:09:51,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 16:09:51,515 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 16:09:51,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-09-04 16:09:51,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d6f1d310/f0de8c9e81f543d78a1b5d727e21b598/FLAG0bcd72615 [2020-09-04 16:09:52,132 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 16:09:52,132 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/addsub_float_inexact.c [2020-09-04 16:09:52,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d6f1d310/f0de8c9e81f543d78a1b5d727e21b598/FLAG0bcd72615 [2020-09-04 16:09:52,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8d6f1d310/f0de8c9e81f543d78a1b5d727e21b598 [2020-09-04 16:09:52,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 16:09:52,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 16:09:52,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 16:09:52,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 16:09:52,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 16:09:52,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469d7643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52, skipping insertion in model container [2020-09-04 16:09:52,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 16:09:52,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 16:09:52,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:09:52,758 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 16:09:52,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 16:09:52,794 INFO L208 MainTranslator]: Completed translation [2020-09-04 16:09:52,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52 WrapperNode [2020-09-04 16:09:52,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 16:09:52,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 16:09:52,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 16:09:52,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 16:09:52,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (1/1) ... [2020-09-04 16:09:52,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 16:09:52,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 16:09:52,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 16:09:52,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 16:09:52,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (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 16:09:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 16:09:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 16:09:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-09-04 16:09:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 16:09:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 16:09:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-09-04 16:09:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 16:09:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 16:09:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 16:09:53,167 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 16:09:53,168 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-04 16:09:53,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:53 BoogieIcfgContainer [2020-09-04 16:09:53,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 16:09:53,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 16:09:53,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 16:09:53,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 16:09:53,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 04:09:52" (1/3) ... [2020-09-04 16:09:53,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be9f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:53, skipping insertion in model container [2020-09-04 16:09:53,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 04:09:52" (2/3) ... [2020-09-04 16:09:53,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be9f6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 04:09:53, skipping insertion in model container [2020-09-04 16:09:53,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 04:09:53" (3/3) ... [2020-09-04 16:09:53,181 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_inexact.c [2020-09-04 16:09:53,190 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 16:09:53,199 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 16:09:53,221 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 16:09:53,247 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 16:09:53,247 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 16:09:53,247 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 16:09:53,248 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 16:09:53,248 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 16:09:53,248 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 16:09:53,248 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 16:09:53,248 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 16:09:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-09-04 16:09:53,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-09-04 16:09:53,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 16:09:53,274 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 16:09:53,275 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 16:09:53,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 16:09:53,282 INFO L82 PathProgramCache]: Analyzing trace with hash 501478975, now seen corresponding path program 1 times [2020-09-04 16:09:53,292 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 16:09:53,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [189769745] [2020-09-04 16:09:53,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 16:09:53,363 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 16:09:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:09:53,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:09:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 16:09:53,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 16:09:53,442 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 16:09:53,442 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 16:09:53,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 16:09:53,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 04:09:53 BoogieIcfgContainer [2020-09-04 16:09:53,463 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 16:09:53,467 INFO L168 Benchmark]: Toolchain (without parser) took 977.42 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 104.0 MB in the beginning and 157.5 MB in the end (delta: -53.5 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:53,468 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 16:09:53,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.39 ms. Allocated memory is still 146.8 MB. Free memory was 103.8 MB in the beginning and 94.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:53,470 INFO L168 Benchmark]: Boogie Preprocessor took 33.24 ms. Allocated memory is still 146.8 MB. Free memory was 94.5 MB in the beginning and 93.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:53,471 INFO L168 Benchmark]: RCFGBuilder took 343.22 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 93.1 MB in the beginning and 170.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:53,472 INFO L168 Benchmark]: TraceAbstraction took 289.27 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 157.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2020-09-04 16:09:53,476 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 146.8 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 306.39 ms. Allocated memory is still 146.8 MB. Free memory was 103.8 MB in the beginning and 94.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.24 ms. Allocated memory is still 146.8 MB. Free memory was 94.5 MB in the beginning and 93.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 343.22 ms. Allocated memory was 146.8 MB in the beginning and 202.9 MB in the end (delta: 56.1 MB). Free memory was 93.1 MB in the beginning and 170.7 MB in the end (delta: -77.6 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 289.27 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 157.5 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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 14, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L8] float x, y, z, r; [L10] x = 1e8f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 0.f) [L4] COND TRUE !(cond) [L4] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 24 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=24occurred 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...