/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 21:46:49,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 21:46:49,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 21:46:49,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 21:46:49,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 21:46:49,289 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 21:46:49,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 21:46:49,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 21:46:49,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 21:46:49,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 21:46:49,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 21:46:49,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 21:46:49,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 21:46:49,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 21:46:49,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 21:46:49,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 21:46:49,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 21:46:49,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 21:46:49,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 21:46:49,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 21:46:49,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 21:46:49,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 21:46:49,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 21:46:49,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 21:46:49,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 21:46:49,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 21:46:49,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 21:46:49,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 21:46:49,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 21:46:49,343 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 21:46:49,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 21:46:49,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 21:46:49,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 21:46:49,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 21:46:49,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 21:46:49,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 21:46:49,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 21:46:49,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 21:46:49,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 21:46:49,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 21:46:49,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 21:46:49,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 21:46:49,381 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 21:46:49,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 21:46:49,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 21:46:49,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 21:46:49,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 21:46:49,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 21:46:49,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 21:46:49,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 21:46:49,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 21:46:49,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 21:46:49,387 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 21:46:49,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 21:46:49,387 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 21:46:49,388 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 21:46:49,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 21:46:49,388 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 21:46:49,391 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 21:46:49,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 21:46:49,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 21:46:49,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 21:46:49,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 21:46:49,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 21:46:49,392 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-07-08 21:46:49,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 21:46:49,670 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 21:46:49,674 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 21:46:49,675 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 21:46:49,675 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 21:46:49,676 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-08 21:46:49,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d9189e0/c9d22eae838a47e49b533ffe65e2a843/FLAG84a828877 [2020-07-08 21:46:50,225 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 21:46:50,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float13.c [2020-07-08 21:46:50,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d9189e0/c9d22eae838a47e49b533ffe65e2a843/FLAG84a828877 [2020-07-08 21:46:50,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49d9189e0/c9d22eae838a47e49b533ffe65e2a843 [2020-07-08 21:46:50,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 21:46:50,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 21:46:50,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 21:46:50,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 21:46:50,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 21:46:50,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:50,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51797662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50, skipping insertion in model container [2020-07-08 21:46:50,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:50,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 21:46:50,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 21:46:50,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:46:50,863 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 21:46:50,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:46:50,909 INFO L208 MainTranslator]: Completed translation [2020-07-08 21:46:50,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50 WrapperNode [2020-07-08 21:46:50,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 21:46:50,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 21:46:50,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 21:46:50,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 21:46:51,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (1/1) ... [2020-07-08 21:46:51,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 21:46:51,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 21:46:51,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 21:46:51,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 21:46:51,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (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 [2020-07-08 21:46:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 21:46:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 21:46:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 21:46:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 21:46:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 21:46:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 21:46:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 21:46:51,382 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 21:46:51,382 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 21:46:51,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:46:51 BoogieIcfgContainer [2020-07-08 21:46:51,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 21:46:51,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 21:46:51,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 21:46:51,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 21:46:51,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 09:46:50" (1/3) ... [2020-07-08 21:46:51,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ab011d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:46:51, skipping insertion in model container [2020-07-08 21:46:51,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:46:50" (2/3) ... [2020-07-08 21:46:51,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59ab011d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:46:51, skipping insertion in model container [2020-07-08 21:46:51,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:46:51" (3/3) ... [2020-07-08 21:46:51,397 INFO L109 eAbstractionObserver]: Analyzing ICFG float13.c [2020-07-08 21:46:51,410 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 21:46:51,419 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-07-08 21:46:51,436 INFO L251 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-07-08 21:46:51,459 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 21:46:51,459 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 21:46:51,460 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 21:46:51,460 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 21:46:51,460 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 21:46:51,460 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 21:46:51,460 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 21:46:51,461 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 21:46:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-07-08 21:46:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-08 21:46:51,489 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:46:51,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 21:46:51,490 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:46:51,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:46:51,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1307681174, now seen corresponding path program 1 times [2020-07-08 21:46:51,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:46:51,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701986903] [2020-07-08 21:46:51,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:46:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:46:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:46:51,633 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 21:46:51,634 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 21:46:51,634 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 21:46:51,674 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 21:46:51,674 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:46:51,674 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:46:51,674 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 21:46:51,675 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 21:46:51,676 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:46:51,676 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:46:51,676 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-08 21:46:51,676 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-08 21:46:51,677 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 21:46:51,677 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 21:46:51,677 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 21:46:51,677 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 21:46:51,677 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 21:46:51,678 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 21:46:51,678 WARN L170 areAnnotationChecker]: L13-3 has no Hoare annotation [2020-07-08 21:46:51,678 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 21:46:51,678 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 21:46:51,678 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 21:46:51,679 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 21:46:51,679 WARN L170 areAnnotationChecker]: L16-1 has no Hoare annotation [2020-07-08 21:46:51,680 WARN L170 areAnnotationChecker]: L16-3 has no Hoare annotation [2020-07-08 21:46:51,680 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 21:46:51,680 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 21:46:51,680 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-08 21:46:51,680 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-08 21:46:51,681 WARN L170 areAnnotationChecker]: L19-3 has no Hoare annotation [2020-07-08 21:46:51,681 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 21:46:51,681 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 21:46:51,681 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 21:46:51,682 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 21:46:51,682 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-08 21:46:51,682 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 21:46:51,682 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 21:46:51,682 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 21:46:51,683 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 21:46:51,683 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 21:46:51,683 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-08 21:46:51,683 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-08 21:46:51,684 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-08 21:46:51,684 WARN L170 areAnnotationChecker]: L28-1 has no Hoare annotation [2020-07-08 21:46:51,684 WARN L170 areAnnotationChecker]: L28-3 has no Hoare annotation [2020-07-08 21:46:51,684 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 21:46:51,685 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 21:46:51,685 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-08 21:46:51,685 WARN L170 areAnnotationChecker]: L31-1 has no Hoare annotation [2020-07-08 21:46:51,685 WARN L170 areAnnotationChecker]: L31-3 has no Hoare annotation [2020-07-08 21:46:51,685 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 21:46:51,686 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 21:46:51,686 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-08 21:46:51,686 WARN L170 areAnnotationChecker]: L34-1 has no Hoare annotation [2020-07-08 21:46:51,686 WARN L170 areAnnotationChecker]: L34-3 has no Hoare annotation [2020-07-08 21:46:51,686 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 21:46:51,687 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 21:46:51,687 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 21:46:51,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 09:46:51 BoogieIcfgContainer [2020-07-08 21:46:51,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 21:46:51,696 INFO L168 Benchmark]: Toolchain (without parser) took 1097.75 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 103.8 MB in the beginning and 145.5 MB in the end (delta: -41.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-08 21:46:51,697 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 21:46:51,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.74 ms. Allocated memory is still 138.9 MB. Free memory was 103.5 MB in the beginning and 93.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2020-07-08 21:46:51,699 INFO L168 Benchmark]: Boogie Preprocessor took 124.05 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 93.5 MB in the beginning and 182.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-08 21:46:51,700 INFO L168 Benchmark]: RCFGBuilder took 352.36 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 161.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2020-07-08 21:46:51,701 INFO L168 Benchmark]: TraceAbstraction took 303.10 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 145.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2020-07-08 21:46:51,705 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 138.9 MB. Free memory was 122.3 MB in the beginning and 122.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 311.74 ms. Allocated memory is still 138.9 MB. Free memory was 103.5 MB in the beginning and 93.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.05 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 93.5 MB in the beginning and 182.1 MB in the end (delta: -88.6 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 352.36 ms. Allocated memory is still 203.4 MB. Free memory was 182.1 MB in the beginning and 161.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 303.10 ms. Allocated memory is still 203.4 MB. Free memory was 161.4 MB in the beginning and 145.5 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 12, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L3] const float plus_infinity = 1.0f/0.0f; VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3, minus_infinity=4, NaN=2] [L4] const float minus_infinity = 0.0f/-0.0f; VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3, NaN=2] [L5] const float NaN = 0.0f * (1.0f/0.0f); VAL [\old(minus_infinity)=4, \old(NaN)=2, \old(plus_infinity)=3] [L9] _Bool temp; [L12] temp = NaN < plus_infinity VAL [temp=1] [L13] COND TRUE !(!temp) VAL [temp=1] [L13] __VERIFIER_error() VAL [temp=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 8 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=45occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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...