/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:59:34,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:59:34,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:59:34,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:59:34,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:59:34,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:59:34,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:59:34,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:59:34,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:59:34,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:59:34,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:59:34,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:59:34,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:59:34,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:59:34,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:59:34,469 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:59:34,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:59:34,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:59:34,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:59:34,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:59:34,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:59:34,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:59:34,478 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:59:34,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:59:34,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:59:34,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:59:34,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:59:34,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:59:34,486 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:59:34,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:59:34,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:59:34,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:59:34,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:59:34,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:59:34,494 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:59:34,494 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:59:34,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:59:34,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:59:34,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:59:34,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:59:34,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:59:34,500 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:59:34,514 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:59:34,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:59:34,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:59:34,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:59:34,516 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:59:34,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:59:34,516 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:59:34,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:59:34,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:59:34,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:59:34,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:59:34,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:59:34,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:59:34,518 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:59:34,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:59:34,518 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:59:34,518 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:59:34,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:59:34,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:59:34,519 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:59:34,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:59:34,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:59:34,520 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:59:34,520 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:59:34,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:59:34,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:59:34,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:59:34,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:59:34,521 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:59:34,521 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:59:34,809 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:59:34,820 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:59:34,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:59:34,825 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:59:34,825 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:59:34,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float1.c [2020-07-17 21:59:34,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca8c5bfc/9b97da60cbb44ea6bf1e13973420cdef/FLAG633a02fe5 [2020-07-17 21:59:35,320 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:59:35,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float1.c [2020-07-17 21:59:35,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca8c5bfc/9b97da60cbb44ea6bf1e13973420cdef/FLAG633a02fe5 [2020-07-17 21:59:35,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ca8c5bfc/9b97da60cbb44ea6bf1e13973420cdef [2020-07-17 21:59:35,739 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:59:35,741 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:59:35,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:59:35,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:59:35,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:59:35,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@317546e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35, skipping insertion in model container [2020-07-17 21:59:35,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:59:35,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:59:35,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:59:35,928 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:59:35,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:59:35,957 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:59:35,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35 WrapperNode [2020-07-17 21:59:35,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:59:35,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:59:35,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:59:35,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:59:35,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (1/1) ... [2020-07-17 21:59:35,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:59:35,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:59:35,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:59:35,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:59:35,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (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 [2020-07-17 21:59:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:59:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:59:36,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:59:36,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:59:36,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:59:36,283 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:59:36,283 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 21:59:36,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:59:36 BoogieIcfgContainer [2020-07-17 21:59:36,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:59:36,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:59:36,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:59:36,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:59:36,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:59:35" (1/3) ... [2020-07-17 21:59:36,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596d7f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:59:36, skipping insertion in model container [2020-07-17 21:59:36,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:59:35" (2/3) ... [2020-07-17 21:59:36,302 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@596d7f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:59:36, skipping insertion in model container [2020-07-17 21:59:36,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:59:36" (3/3) ... [2020-07-17 21:59:36,305 INFO L109 eAbstractionObserver]: Analyzing ICFG float1.c [2020-07-17 21:59:36,320 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:59:36,330 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-07-17 21:59:36,373 INFO L251 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-07-17 21:59:36,405 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:59:36,405 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:59:36,405 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:59:36,405 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:59:36,405 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:59:36,406 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:59:36,406 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:59:36,406 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:59:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-07-17 21:59:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-07-17 21:59:36,425 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:59:36,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:59:36,427 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:59:36,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:59:36,433 INFO L82 PathProgramCache]: Analyzing trace with hash 703471866, now seen corresponding path program 1 times [2020-07-17 21:59:36,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:59:36,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178840189] [2020-07-17 21:59:36,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:59:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:59:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:59:36,526 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:59:36,527 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:59:36,527 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:59:36,545 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:59:36,545 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:59:36,545 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:59:36,545 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:59:36,545 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:59:36,545 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:59:36,546 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:59:36,546 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 21:59:36,546 WARN L170 areAnnotationChecker]: L10 has no Hoare annotation [2020-07-17 21:59:36,546 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:59:36,546 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L10-1 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L10-3 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L17-1 has no Hoare annotation [2020-07-17 21:59:36,547 WARN L170 areAnnotationChecker]: L17-3 has no Hoare annotation [2020-07-17 21:59:36,548 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:59:36,548 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. [2020-07-17 21:59:36,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:59:36 BoogieIcfgContainer [2020-07-17 21:59:36,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:59:36,555 INFO L168 Benchmark]: Toolchain (without parser) took 813.33 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 101.8 MB in the beginning and 156.1 MB in the end (delta: -54.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:36,557 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:59:36,558 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.69 ms. Allocated memory is still 137.4 MB. Free memory was 101.4 MB in the beginning and 92.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:36,559 INFO L168 Benchmark]: Boogie Preprocessor took 30.41 ms. Allocated memory is still 137.4 MB. Free memory was 92.1 MB in the beginning and 90.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:36,560 INFO L168 Benchmark]: RCFGBuilder took 298.14 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.7 MB in the beginning and 169.1 MB in the end (delta: -78.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:36,561 INFO L168 Benchmark]: TraceAbstraction took 262.32 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 156.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:59:36,566 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 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 216.69 ms. Allocated memory is still 137.4 MB. Free memory was 101.4 MB in the beginning and 92.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.41 ms. Allocated memory is still 137.4 MB. Free memory was 92.1 MB in the beginning and 90.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 298.14 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 90.7 MB in the beginning and 169.1 MB in the end (delta: -78.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262.32 ms. Allocated memory is still 201.3 MB. Free memory was 168.4 MB in the beginning and 156.1 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 8, overapproximation of someBinaryArithmeticDOUBLEoperation at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L3] double x; [L4] int y; [L6] x=2 [L7] x-=0.6 [L8] y=x [L10] COND TRUE !(y==1) VAL [y=0] [L10] __VERIFIER_error() VAL [y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 16 locations, 2 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=16occurred 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, 7 NumberOfCodeBlocks, 7 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...