/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/float-benchs/nan_double.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 21:47:10,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 21:47:10,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 21:47:10,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 21:47:10,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 21:47:10,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 21:47:10,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 21:47:10,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 21:47:10,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 21:47:10,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 21:47:10,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 21:47:10,257 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 21:47:10,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 21:47:10,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 21:47:10,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 21:47:10,261 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 21:47:10,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 21:47:10,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 21:47:10,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 21:47:10,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 21:47:10,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 21:47:10,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 21:47:10,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 21:47:10,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 21:47:10,273 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 21:47:10,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 21:47:10,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 21:47:10,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 21:47:10,275 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 21:47:10,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 21:47:10,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 21:47:10,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 21:47:10,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 21:47:10,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 21:47:10,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 21:47:10,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 21:47:10,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 21:47:10,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 21:47:10,280 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 21:47:10,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 21:47:10,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 21:47:10,283 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 21:47:10,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 21:47:10,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 21:47:10,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 21:47:10,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 21:47:10,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 21:47:10,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 21:47:10,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 21:47:10,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 21:47:10,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 21:47:10,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 21:47:10,295 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 21:47:10,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 21:47:10,296 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 21:47:10,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 21:47:10,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 21:47:10,296 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 21:47:10,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 21:47:10,297 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 21:47:10,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 21:47:10,297 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 21:47:10,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 21:47:10,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 21:47:10,297 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 21:47:10,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 21:47:10,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 21:47:10,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 21:47:10,609 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 21:47:10,609 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 21:47:10,611 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/nan_double.c [2020-07-08 21:47:10,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47879b97b/2f3abf33c83b453ebf5f248b36621334/FLAG7c27d6d09 [2020-07-08 21:47:11,156 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 21:47:11,157 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/nan_double.c [2020-07-08 21:47:11,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47879b97b/2f3abf33c83b453ebf5f248b36621334/FLAG7c27d6d09 [2020-07-08 21:47:11,521 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47879b97b/2f3abf33c83b453ebf5f248b36621334 [2020-07-08 21:47:11,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 21:47:11,534 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 21:47:11,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 21:47:11,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 21:47:11,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 21:47:11,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6f76f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11, skipping insertion in model container [2020-07-08 21:47:11,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 21:47:11,571 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 21:47:11,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:47:11,750 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 21:47:11,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 21:47:11,786 INFO L208 MainTranslator]: Completed translation [2020-07-08 21:47:11,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11 WrapperNode [2020-07-08 21:47:11,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 21:47:11,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 21:47:11,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 21:47:11,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 21:47:11,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (1/1) ... [2020-07-08 21:47:11,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 21:47:11,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 21:47:11,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 21:47:11,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 21:47:11,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (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 21:47:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 21:47:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 21:47:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 21:47:11,984 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 21:47:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 21:47:11,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-08 21:47:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 21:47:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 21:47:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 21:47:11,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 21:47:12,163 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 21:47:12,163 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 21:47:12,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:47:12 BoogieIcfgContainer [2020-07-08 21:47:12,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 21:47:12,168 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 21:47:12,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 21:47:12,172 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 21:47:12,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 09:47:11" (1/3) ... [2020-07-08 21:47:12,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d66a192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:47:12, skipping insertion in model container [2020-07-08 21:47:12,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 09:47:11" (2/3) ... [2020-07-08 21:47:12,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d66a192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 09:47:12, skipping insertion in model container [2020-07-08 21:47:12,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 09:47:12" (3/3) ... [2020-07-08 21:47:12,176 INFO L109 eAbstractionObserver]: Analyzing ICFG nan_double.c [2020-07-08 21:47:12,187 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 21:47:12,194 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 21:47:12,216 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 21:47:12,281 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 21:47:12,281 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 21:47:12,281 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-08 21:47:12,281 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 21:47:12,281 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 21:47:12,282 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 21:47:12,282 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 21:47:12,285 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 21:47:12,307 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-07-08 21:47:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-08 21:47:12,317 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 21:47:12,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 21:47:12,319 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 21:47:12,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 21:47:12,326 INFO L82 PathProgramCache]: Analyzing trace with hash 772938475, now seen corresponding path program 1 times [2020-07-08 21:47:12,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 21:47:12,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1659533679] [2020-07-08 21:47:12,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 21:47:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:47:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 21:47:12,455 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 21:47:12,455 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 21:47:12,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 21:47:12,478 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 21:47:12,478 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:47:12,478 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 21:47:12,478 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 21:47:12,478 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-08 21:47:12,479 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 21:47:12,480 WARN L170 areAnnotationChecker]: L11-1 has no Hoare annotation [2020-07-08 21:47:12,480 WARN L170 areAnnotationChecker]: L6-1 has no Hoare annotation [2020-07-08 21:47:12,480 WARN L170 areAnnotationChecker]: L6-1 has no Hoare annotation [2020-07-08 21:47:12,480 WARN L170 areAnnotationChecker]: L6-3 has no Hoare annotation [2020-07-08 21:47:12,480 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 21:47:12,480 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 21:47:12,481 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 21:47:12,481 WARN L170 areAnnotationChecker]: L13-1 has no Hoare annotation [2020-07-08 21:47:12,481 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 21:47:12,481 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 21:47:12,481 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 21:47:12,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 09:47:12 BoogieIcfgContainer [2020-07-08 21:47:12,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 21:47:12,489 INFO L168 Benchmark]: Toolchain (without parser) took 954.57 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 155.5 MB in the end (delta: -52.8 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:12,491 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-08 21:47:12,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.23 ms. Allocated memory is still 138.4 MB. Free memory was 102.5 MB in the beginning and 93.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:12,492 INFO L168 Benchmark]: Boogie Preprocessor took 32.31 ms. Allocated memory is still 138.4 MB. Free memory was 93.4 MB in the beginning and 91.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:12,494 INFO L168 Benchmark]: RCFGBuilder took 347.19 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 91.8 MB in the beginning and 169.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:12,494 INFO L168 Benchmark]: TraceAbstraction took 317.29 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 155.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-07-08 21:47:12,498 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 0.80 ms. Allocated memory is still 138.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.23 ms. Allocated memory is still 138.4 MB. Free memory was 102.5 MB in the beginning and 93.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 32.31 ms. Allocated memory is still 138.4 MB. Free memory was 93.4 MB in the beginning and 91.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 347.19 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 91.8 MB in the beginning and 169.8 MB in the end (delta: -78.0 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 317.29 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 155.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 13. Possible FailurePath: [L10] double x; [L11] x = __VERIFIER_nondet_double() VAL [__VERIFIER_nondet_double()=2, x=2] [L13] CALL __VERIFIER_assert(x==x) VAL [\old(cond)=0] [L6] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L6] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 19 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=19occurred 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...