/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/float-no-simp6.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 04:37:29,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 04:37:29,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 04:37:29,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 04:37:29,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 04:37:29,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 04:37:29,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 04:37:29,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 04:37:29,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 04:37:29,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 04:37:29,648 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 04:37:29,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 04:37:29,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 04:37:29,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 04:37:29,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 04:37:29,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 04:37:29,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 04:37:29,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 04:37:29,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 04:37:29,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 04:37:29,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 04:37:29,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 04:37:29,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 04:37:29,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 04:37:29,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-18 04:37:29,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-18 04:37:29,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-18 04:37:29,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-18 04:37:29,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-18 04:37:29,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-18 04:37:29,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-18 04:37:29,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-18 04:37:29,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-18 04:37:29,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 04:37:29,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 04:37:29,691 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 04:37:29,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 04:37:29,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 04:37:29,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 04:37:29,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 04:37:29,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 04:37:29,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 04:37:29,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 04:37:29,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 04:37:29,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 04:37:29,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 04:37:29,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 04:37:29,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 04:37:29,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 04:37:29,710 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 04:37:29,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 04:37:29,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 04:37:29,711 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 04:37:29,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 04:37:29,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 04:37:29,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 04:37:29,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 04:37:29,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 04:37:29,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 04:37:29,713 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 [2020-07-18 04:37:30,007 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 04:37:30,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 04:37:30,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 04:37:30,028 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 04:37:30,029 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 04:37:30,029 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2020-07-18 04:37:30,102 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b626024d9/4451489ad37b476abeb0e45bf7847995/FLAG667202833 [2020-07-18 04:37:30,535 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 04:37:30,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp6.c [2020-07-18 04:37:30,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b626024d9/4451489ad37b476abeb0e45bf7847995/FLAG667202833 [2020-07-18 04:37:30,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b626024d9/4451489ad37b476abeb0e45bf7847995 [2020-07-18 04:37:30,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 04:37:30,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 04:37:30,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 04:37:30,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 04:37:30,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 04:37:30,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:37:30" (1/1) ... [2020-07-18 04:37:30,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd602bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:30, skipping insertion in model container [2020-07-18 04:37:30,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 04:37:30" (1/1) ... [2020-07-18 04:37:30,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 04:37:30,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 04:37:31,181 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:37:31,186 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 04:37:31,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 04:37:31,221 INFO L208 MainTranslator]: Completed translation [2020-07-18 04:37:31,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31 WrapperNode [2020-07-18 04:37:31,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 04:37:31,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 04:37:31,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 04:37:31,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 04:37:31,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (1/1) ... [2020-07-18 04:37:31,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 04:37:31,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 04:37:31,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 04:37:31,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 04:37:31,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (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 [2020-07-18 04:37:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 04:37:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 04:37:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure multiply [2020-07-18 04:37:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure divide [2020-07-18 04:37:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-07-18 04:37:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 04:37:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 04:37:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure multiply [2020-07-18 04:37:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure divide [2020-07-18 04:37:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-07-18 04:37:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 04:37:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 04:37:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 04:37:31,606 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 04:37:31,607 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 04:37:31,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:37:31 BoogieIcfgContainer [2020-07-18 04:37:31,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 04:37:31,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 04:37:31,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 04:37:31,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 04:37:31,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 04:37:30" (1/3) ... [2020-07-18 04:37:31,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506bc63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:37:31, skipping insertion in model container [2020-07-18 04:37:31,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 04:37:31" (2/3) ... [2020-07-18 04:37:31,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@506bc63a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 04:37:31, skipping insertion in model container [2020-07-18 04:37:31,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 04:37:31" (3/3) ... [2020-07-18 04:37:31,619 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp6.c [2020-07-18 04:37:31,630 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 04:37:31,637 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-07-18 04:37:31,653 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-07-18 04:37:31,675 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 04:37:31,675 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 04:37:31,675 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-18 04:37:31,675 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 04:37:31,675 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 04:37:31,676 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 04:37:31,676 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 04:37:31,676 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 04:37:31,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2020-07-18 04:37:31,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-07-18 04:37:31,701 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 04:37:31,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 04:37:31,703 INFO L427 AbstractCegarLoop]: === Iteration 1 === [castErr0ASSERT_VIOLATIONERROR_FUNCTION, divideErr0ASSERT_VIOLATIONERROR_FUNCTION, multiplyErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 04:37:31,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 04:37:31,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1968128724, now seen corresponding path program 1 times [2020-07-18 04:37:31,718 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 04:37:31,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1045030609] [2020-07-18 04:37:31,719 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 04:37:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:37:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 04:37:31,815 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 04:37:31,816 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 04:37:31,816 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 04:37:31,834 WARN L170 areAnnotationChecker]: castENTRY has no Hoare annotation [2020-07-18 04:37:31,834 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 04:37:31,834 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:37:31,834 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 04:37:31,834 WARN L170 areAnnotationChecker]: divideENTRY has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: multiplyENTRY has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:37:31,835 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 04:37:31,836 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 04:37:31,836 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 04:37:31,836 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 04:37:31,836 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 04:37:31,836 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 04:37:31,836 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 04:37:31,837 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 04:37:31,837 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-18 04:37:31,837 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-18 04:37:31,837 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-18 04:37:31,837 WARN L170 areAnnotationChecker]: L21 has no Hoare annotation [2020-07-18 04:37:31,837 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: L42-3 has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 04:37:31,838 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-18 04:37:31,839 WARN L170 areAnnotationChecker]: castEXIT has no Hoare annotation [2020-07-18 04:37:31,839 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-18 04:37:31,839 WARN L170 areAnnotationChecker]: L33-1 has no Hoare annotation [2020-07-18 04:37:31,839 WARN L170 areAnnotationChecker]: L33-3 has no Hoare annotation [2020-07-18 04:37:31,839 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 04:37:31,839 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 04:37:31,840 WARN L170 areAnnotationChecker]: L23-1 has no Hoare annotation [2020-07-18 04:37:31,840 WARN L170 areAnnotationChecker]: L23-3 has no Hoare annotation [2020-07-18 04:37:31,840 WARN L170 areAnnotationChecker]: divideEXIT has no Hoare annotation [2020-07-18 04:37:31,840 WARN L170 areAnnotationChecker]: multiplyEXIT has no Hoare annotation [2020-07-18 04:37:31,840 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. [2020-07-18 04:37:31,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 04:37:31 BoogieIcfgContainer [2020-07-18 04:37:31,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 04:37:31,848 INFO L168 Benchmark]: Toolchain (without parser) took 912.18 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 103.2 MB in the beginning and 149.2 MB in the end (delta: -46.0 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2020-07-18 04:37:31,850 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 04:37:31,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.38 ms. Allocated memory is still 144.7 MB. Free memory was 102.8 MB in the beginning and 91.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:37:31,852 INFO L168 Benchmark]: Boogie Preprocessor took 114.01 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 91.1 MB in the beginning and 180.1 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:37:31,853 INFO L168 Benchmark]: RCFGBuilder took 275.20 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 164.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2020-07-18 04:37:31,855 INFO L168 Benchmark]: TraceAbstraction took 231.90 ms. Allocated memory is still 201.9 MB. Free memory was 163.7 MB in the beginning and 149.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-18 04:37:31,859 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 0.25 ms. Allocated memory is still 144.7 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 284.38 ms. Allocated memory is still 144.7 MB. Free memory was 102.8 MB in the beginning and 91.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.01 ms. Allocated memory was 144.7 MB in the beginning and 201.9 MB in the end (delta: 57.1 MB). Free memory was 91.1 MB in the beginning and 180.1 MB in the end (delta: -88.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 275.20 ms. Allocated memory is still 201.9 MB. Free memory was 180.1 MB in the beginning and 164.4 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231.90 ms. Allocated memory is still 201.9 MB. Free memory was 163.7 MB in the beginning and 149.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 23]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 23, overapproximation of someBinaryArithmeticFLOAToperation at line 21. Possible FailurePath: [L47] CALL multiply() [L18] float f1=0x1.000000p-1f; VAL [f1=1/2] [L19] float f2=0x1.fffffep-126f; VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L21] float res = f1 * f2; VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L23] COND TRUE !(res == 0x1.0p-126f) VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] [L23] __VERIFIER_error() VAL [f1=1/2, f2=16777215/713623846352979940529142984724747568191373312] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 34 locations, 3 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=34occurred 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, 10 NumberOfCodeBlocks, 10 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...