/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/float-benchs/addsub_double_exact.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 22:00:28,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:00:28,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:00:28,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:00:28,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:00:28,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:00:28,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:00:28,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:00:28,259 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:00:28,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:00:28,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:00:28,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:00:28,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:00:28,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:00:28,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:00:28,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:00:28,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:00:28,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:00:28,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:00:28,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:00:28,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:00:28,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:00:28,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:00:28,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:00:28,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 22:00:28,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:00:28,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:00:28,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:00:28,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:00:28,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:00:28,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:00:28,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:00:28,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:00:28,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:00:28,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:00:28,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:00:28,300 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 22:00:28,319 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:00:28,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:00:28,320 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:00:28,320 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:00:28,320 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:00:28,321 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:00:28,321 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:00:28,321 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:00:28,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:00:28,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:00:28,322 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:00:28,322 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:00:28,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:00:28,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:00:28,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:00:28,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:00:28,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:00:28,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:00:28,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:00:28,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:00:28,323 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:00:28,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:00:28,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:00:28,324 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:00:28,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:00:28,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:00:28,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:00:28,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:00:28,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:00:28,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:00:28,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:00:28,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:00:28,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:00:28,611 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:00:28,611 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:00:28,612 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/addsub_double_exact.c [2020-07-17 22:00:28,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d485cf3f7/c9a026a7150b4d5994bf607cb872a18c/FLAG9f839584b [2020-07-17 22:00:29,100 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:00:29,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/addsub_double_exact.c [2020-07-17 22:00:29,107 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d485cf3f7/c9a026a7150b4d5994bf607cb872a18c/FLAG9f839584b [2020-07-17 22:00:29,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d485cf3f7/c9a026a7150b4d5994bf607cb872a18c [2020-07-17 22:00:29,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:00:29,509 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:00:29,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:00:29,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:00:29,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:00:29,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11e615c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29, skipping insertion in model container [2020-07-17 22:00:29,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:00:29,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:00:29,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:00:29,722 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:00:29,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:00:29,764 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:00:29,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29 WrapperNode [2020-07-17 22:00:29,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:00:29,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:00:29,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:00:29,766 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:00:29,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (1/1) ... [2020-07-17 22:00:29,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:00:29,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:00:29,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:00:29,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:00:29,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (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 22:00:29,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:00:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:00:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-07-17 22:00:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:00:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:00:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-07-17 22:00:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:00:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:00:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:00:30,121 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:00:30,121 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:00:30,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:00:30 BoogieIcfgContainer [2020-07-17 22:00:30,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:00:30,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:00:30,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:00:30,129 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:00:30,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:00:29" (1/3) ... [2020-07-17 22:00:30,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad671ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:00:30, skipping insertion in model container [2020-07-17 22:00:30,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:00:29" (2/3) ... [2020-07-17 22:00:30,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad671ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:00:30, skipping insertion in model container [2020-07-17 22:00:30,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:00:30" (3/3) ... [2020-07-17 22:00:30,133 INFO L109 eAbstractionObserver]: Analyzing ICFG addsub_double_exact.c [2020-07-17 22:00:30,143 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:00:30,151 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:00:30,169 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:00:30,197 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:00:30,197 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:00:30,197 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:00:30,198 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:00:30,198 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:00:30,198 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:00:30,199 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:00:30,199 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:00:30,222 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2020-07-17 22:00:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-07-17 22:00:30,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:00:30,229 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:00:30,230 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:00:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:00:30,238 INFO L82 PathProgramCache]: Analyzing trace with hash 997393992, now seen corresponding path program 1 times [2020-07-17 22:00:30,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:00:30,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037391346] [2020-07-17 22:00:30,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:00:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:00:30,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:00:30,360 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:00:30,361 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:00:30,361 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:00:30,388 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:00:30,388 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:00:30,388 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:00:30,389 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:00:30,389 WARN L170 areAnnotationChecker]: __VERIFIER_assertENTRY has no Hoare annotation [2020-07-17 22:00:30,389 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:00:30,389 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:00:30,389 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:00:30,389 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-17 22:00:30,390 WARN L170 areAnnotationChecker]: L14 has no Hoare annotation [2020-07-17 22:00:30,390 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:00:30,390 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-17 22:00:30,390 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:00:30,390 WARN L170 areAnnotationChecker]: L14-1 has no Hoare annotation [2020-07-17 22:00:30,390 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-17 22:00:30,391 WARN L170 areAnnotationChecker]: L4-1 has no Hoare annotation [2020-07-17 22:00:30,391 WARN L170 areAnnotationChecker]: L4-3 has no Hoare annotation [2020-07-17 22:00:30,391 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:00:30,391 WARN L170 areAnnotationChecker]: __VERIFIER_assertEXIT has no Hoare annotation [2020-07-17 22:00:30,391 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:00:30,391 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 22:00:30,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:00:30 BoogieIcfgContainer [2020-07-17 22:00:30,395 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:00:30,398 INFO L168 Benchmark]: Toolchain (without parser) took 888.92 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 102.2 MB in the beginning and 154.6 MB in the end (delta: -52.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:30,399 INFO L168 Benchmark]: CDTParser took 1.30 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:00:30,400 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.47 ms. Allocated memory is still 145.8 MB. Free memory was 101.8 MB in the beginning and 92.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:30,401 INFO L168 Benchmark]: Boogie Preprocessor took 113.55 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 181.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:30,402 INFO L168 Benchmark]: RCFGBuilder took 245.96 ms. Allocated memory is still 202.4 MB. Free memory was 180.9 MB in the beginning and 168.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:30,403 INFO L168 Benchmark]: TraceAbstraction took 268.48 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 154.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2020-07-17 22:00:30,407 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 1.30 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.47 ms. Allocated memory is still 145.8 MB. Free memory was 101.8 MB in the beginning and 92.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.55 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 92.3 MB in the beginning and 181.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 245.96 ms. Allocated memory is still 202.4 MB. Free memory was 180.9 MB in the beginning and 168.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268.48 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 154.6 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 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 someBinaryDOUBLEComparisonOperation at line 14, overapproximation of someBinaryArithmeticDOUBLEoperation at line 11. Possible FailurePath: [L8] double x, y, z, r; [L10] x = 1e8 [L11] y = x + 1 [L12] z = x - 1 [L13] r = y - z VAL [x=100000000] [L14] CALL __VERIFIER_assert(r == 2.) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L4] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 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=17occurred 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, 9 NumberOfCodeBlocks, 9 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...