/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-benchs/addsub_float_exact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:52:40,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:52:40,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:52:40,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:52:40,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:52:40,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:52:40,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:52:40,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:52:40,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:52:40,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:52:40,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:52:40,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:52:40,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:52:40,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:52:40,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:52:40,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:52:40,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:52:40,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:52:40,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:52:40,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:52:40,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:52:40,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:52:40,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:52:40,646 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:52:40,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 15:52:40,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 15:52:40,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 15:52:40,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 15:52:40,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 15:52:40,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-08 15:52:40,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-08 15:52:40,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-08 15:52:40,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-08 15:52:40,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-08 15:52:40,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-08 15:52:40,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-08 15:52:40,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-08 15:52:40,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-08 15:52:40,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:52:40,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:52:40,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:52:40,667 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 15:52:40,675 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:52:40,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:52:40,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:52:40,677 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:52:40,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:52:40,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:52:40,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:52:40,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:52:40,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:52:40,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:52:40,678 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:52:40,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:52:40,678 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:52:40,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:52:40,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:52:40,679 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:52:40,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:52:40,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:52:40,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:52:40,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:52:40,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:52:40,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:52:40,681 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:52:40,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:52:40,947 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:52:40,950 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:52:40,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:52:40,952 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:52:40,953 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_float_exact.c [2020-07-08 15:52:41,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e1ade64/f3d3203ed1e341bfa3deb7a2b260b9ad/FLAGf978d6f61 [2020-07-08 15:52:41,455 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:52:41,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_float_exact.c [2020-07-08 15:52:41,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e1ade64/f3d3203ed1e341bfa3deb7a2b260b9ad/FLAGf978d6f61 [2020-07-08 15:52:41,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40e1ade64/f3d3203ed1e341bfa3deb7a2b260b9ad [2020-07-08 15:52:41,859 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:52:41,861 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:52:41,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:52:41,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:52:41,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:52:41,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:52:41" (1/1) ... [2020-07-08 15:52:41,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b1150d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:41, skipping insertion in model container [2020-07-08 15:52:41,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:52:41" (1/1) ... [2020-07-08 15:52:41,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:52:41,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:52:42,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:52:42,094 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:52:42,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:52:42,124 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:52:42,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42 WrapperNode [2020-07-08 15:52:42,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:52:42,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:52:42,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:52:42,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:52:42,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (1/1) ... [2020-07-08 15:52:42,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:52:42,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:52:42,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:52:42,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:52:42,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (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 15:52:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:52:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:52:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-08 15:52:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:52:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:52:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-08 15:52:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:52:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:52:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:52:42,526 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:52:42,527 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-08 15:52:42,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:52:42 BoogieIcfgContainer [2020-07-08 15:52:42,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:52:42,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:52:42,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:52:42,552 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:52:42,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:52:41" (1/3) ... [2020-07-08 15:52:42,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab5f8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:52:42, skipping insertion in model container [2020-07-08 15:52:42,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:52:42" (2/3) ... [2020-07-08 15:52:42,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab5f8e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:52:42, skipping insertion in model container [2020-07-08 15:52:42,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:52:42" (3/3) ... [2020-07-08 15:52:42,557 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_float_exact.c [2020-07-08 15:52:42,567 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:52:42,572 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:52:42,582 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:52:42,602 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:52:42,602 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:52:42,602 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:52:42,602 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:52:42,602 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:52:42,602 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:52:42,602 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:52:42,603 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:52:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-07-08 15:52:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-07-08 15:52:42,625 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:52:42,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:52:42,627 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:52:42,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:52:42,633 INFO L82 PathProgramCache]: Analyzing trace with hash 501478975, now seen corresponding path program 1 times [2020-07-08 15:52:42,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:52:42,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314970694] [2020-07-08 15:52:42,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:52:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:52:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:52:42,744 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:52:42,746 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 15:52:42,746 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 15:52:42,747 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:52:42,763 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 15:52:42,763 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:52:42,763 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-08 15:52:42,764 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 15:52:42,765 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-08 15:52:42,765 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 15:52:42,765 WARN L170 areAnnotationChecker]: L8-1 has no Hoare annotation [2020-07-08 15:52:42,765 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-08 15:52:42,765 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-08 15:52:42,765 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: L8-2 has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: L11 has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 15:52:42,766 WARN L170 areAnnotationChecker]: L12 has no Hoare annotation [2020-07-08 15:52:42,767 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 15:52:42,767 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-08 15:52:42,767 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-08 15:52:42,767 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-08 15:52:42,767 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 15:52:42,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 03:52:42 BoogieIcfgContainer [2020-07-08 15:52:42,771 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 15:52:42,775 INFO L168 Benchmark]: Toolchain (without parser) took 913.58 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 102.9 MB in the beginning and 152.7 MB in the end (delta: -49.8 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:42,776 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-08 15:52:42,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.27 ms. Allocated memory is still 137.9 MB. Free memory was 102.9 MB in the beginning and 93.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:42,778 INFO L168 Benchmark]: Boogie Preprocessor took 113.95 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 93.4 MB in the beginning and 181.4 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:42,779 INFO L168 Benchmark]: RCFGBuilder took 291.48 ms. Allocated memory is still 202.4 MB. Free memory was 181.4 MB in the beginning and 167.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:42,780 INFO L168 Benchmark]: TraceAbstraction took 232.28 ms. Allocated memory is still 202.4 MB. Free memory was 166.4 MB in the beginning and 152.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB. [2020-07-08 15:52:42,783 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 0.17 ms. Allocated memory is still 137.9 MB. Free memory is still 121.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.27 ms. Allocated memory is still 137.9 MB. Free memory was 102.9 MB in the beginning and 93.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.95 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 93.4 MB in the beginning and 181.4 MB in the end (delta: -87.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 291.48 ms. Allocated memory is still 202.4 MB. Free memory was 181.4 MB in the beginning and 167.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 232.28 ms. Allocated memory is still 202.4 MB. Free memory was 166.4 MB in the beginning and 152.7 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: 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 = 1e7f [L11] y = x + 1.f [L12] z = x - 1.f [L13] r = y - z [L14] CALL __VERIFIER_assert(r == 2.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...