java -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/rlim_invariant.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:15:22,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:15:22,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:15:22,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 01:15:22,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:15:22,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:15:22,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:15:22,158 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:15:22,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:15:22,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:15:22,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:15:22,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:15:22,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:15:22,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:15:22,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:15:22,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:15:22,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:15:22,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:15:22,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:15:22,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:15:22,186 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 [2019-09-08 01:15:22,204 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:15:22,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:15:22,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:15:22,206 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:15:22,207 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:15:22,207 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:15:22,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:15:22,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:15:22,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:15:22,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:15:22,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:15:22,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:15:22,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:15:22,209 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:15:22,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:15:22,210 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:15:22,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:15:22,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:15:22,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:15:22,211 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:15:22,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:15:22,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:15:22,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:15:22,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:15:22,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:15:22,212 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:15:22,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:15:22,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:15:22,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:15:22,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:15:22,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:15:22,264 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:15:22,265 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:15:22,266 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:15:22,266 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2019-09-08 01:15:22,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63ea6d39/486d9870e546481ba96dbdc2884419b0/FLAG6e5ce1169 [2019-09-08 01:15:22,797 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:15:22,798 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/rlim_invariant.c.v+nlh-reducer.c [2019-09-08 01:15:22,806 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63ea6d39/486d9870e546481ba96dbdc2884419b0/FLAG6e5ce1169 [2019-09-08 01:15:23,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63ea6d39/486d9870e546481ba96dbdc2884419b0 [2019-09-08 01:15:23,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:15:23,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:15:23,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:15:23,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:15:23,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:15:23,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566837db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23, skipping insertion in model container [2019-09-08 01:15:23,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,197 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:15:23,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:15:23,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:15:23,436 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:15:23,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:15:23,600 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:15:23,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23 WrapperNode [2019-09-08 01:15:23,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:15:23,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:15:23,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:15:23,602 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:15:23,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (1/1) ... [2019-09-08 01:15:23,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:15:23,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:15:23,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:15:23,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:15:23,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (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 [2019-09-08 01:15:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:15:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:15:23,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:15:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:15:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-09-08 01:15:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 01:15:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:15:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:15:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:15:23,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:15:24,039 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:15:24,040 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:15:24,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:15:24 BoogieIcfgContainer [2019-09-08 01:15:24,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:15:24,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:15:24,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:15:24,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:15:24,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:15:23" (1/3) ... [2019-09-08 01:15:24,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cabcb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:15:24, skipping insertion in model container [2019-09-08 01:15:24,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:15:23" (2/3) ... [2019-09-08 01:15:24,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cabcb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:15:24, skipping insertion in model container [2019-09-08 01:15:24,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:15:24" (3/3) ... [2019-09-08 01:15:24,049 INFO L109 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c.v+nlh-reducer.c [2019-09-08 01:15:24,059 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:15:24,066 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-09-08 01:15:24,081 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-09-08 01:15:24,113 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:15:24,114 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:15:24,114 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:15:24,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:15:24,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:15:24,115 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:15:24,115 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:15:24,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:15:24,115 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:15:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2019-09-08 01:15:24,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-08 01:15:24,140 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:15:24,140 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:15:24,142 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:15:24,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:15:24,147 INFO L82 PathProgramCache]: Analyzing trace with hash 767705956, now seen corresponding path program 1 times [2019-09-08 01:15:24,148 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:15:24,149 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:15:24,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:15:24,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:15:24,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:15:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:15:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 01:15:24,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:15:24,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 01:15:24,325 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 01:15:24,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 01:15:24,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 01:15:24,342 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 4 states. [2019-09-08 01:15:24,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:15:24,433 INFO L93 Difference]: Finished difference Result 82 states and 117 transitions. [2019-09-08 01:15:24,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 01:15:24,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-09-08 01:15:24,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:15:24,450 INFO L225 Difference]: With dead ends: 82 [2019-09-08 01:15:24,451 INFO L226 Difference]: Without dead ends: 66 [2019-09-08 01:15:24,455 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 01:15:24,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-09-08 01:15:24,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2019-09-08 01:15:24,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2019-09-08 01:15:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 57 transitions. [2019-09-08 01:15:24,497 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 57 transitions. Word has length 20 [2019-09-08 01:15:24,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:15:24,498 INFO L475 AbstractCegarLoop]: Abstraction has 45 states and 57 transitions. [2019-09-08 01:15:24,498 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 01:15:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2019-09-08 01:15:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-09-08 01:15:24,499 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:15:24,499 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:15:24,500 INFO L418 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:15:24,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:15:24,500 INFO L82 PathProgramCache]: Analyzing trace with hash 856215017, now seen corresponding path program 1 times [2019-09-08 01:15:24,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:15:24,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:15:24,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:15:24,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:15:24,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:15:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:15:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 01:15:24,575 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 01:15:24,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:15:24 BoogieIcfgContainer [2019-09-08 01:15:24,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:15:24,621 INFO L168 Benchmark]: Toolchain (without parser) took 1441.90 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.6 MB in the beginning and 124.7 MB in the end (delta: -39.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:24,622 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 01:15:24,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.11 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.2 MB in the beginning and 176.3 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:24,624 INFO L168 Benchmark]: Boogie Preprocessor took 34.44 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 174.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:24,625 INFO L168 Benchmark]: RCFGBuilder took 405.14 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 154.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:24,626 INFO L168 Benchmark]: TraceAbstraction took 576.95 ms. Allocated memory is still 199.8 MB. Free memory was 154.6 MB in the beginning and 124.7 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-09-08 01:15:24,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 140.0 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.11 ms. Allocated memory was 140.0 MB in the beginning and 199.8 MB in the end (delta: 59.8 MB). Free memory was 85.2 MB in the beginning and 176.3 MB in the end (delta: -91.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.44 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 174.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 405.14 ms. Allocated memory is still 199.8 MB. Free memory was 174.4 MB in the beginning and 154.6 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 576.95 ms. Allocated memory is still 199.8 MB. Free memory was 154.6 MB in the beginning and 124.7 MB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 65]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of to_real at line 22, overapproximation of someBinaryArithmeticFLOAToperation at line 49. Possible FailurePath: [L1] int __return_main; [L7] int __tmp_160_0; [L8] int __tmp_160_1; [L9] int __tmp_160_2; [L10] int __tmp_142_0; [L11] int __tmp_142_1; [L12] int __tmp_136_0; [L13] int __return_165; VAL [\old(__return_165)=8, \old(__return_main)=5, \old(__tmp_136_0)=4, \old(__tmp_142_0)=1, \old(__tmp_142_1)=3, \old(__tmp_160_0)=11, \old(__tmp_160_1)=9, \old(__tmp_160_2)=10, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0] [L16] float main__X; [L17] float main__Y; [L18] float main__S; [L19] float main__R; [L20] float main__D; [L21] int main__i; [L22] main__Y = 0 [L23] main__i = 0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__i=0] [L24] COND TRUE main__i < 100000 [L26] main__X = __VERIFIER_nondet_float() [L27] main__D = __VERIFIER_nondet_float() [L28] int main____CPAchecker_TMP_0; VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__D=2, main__i=0, main__X=6] [L29] COND TRUE main__X >= -128.0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main__D=2, main__i=0, main__X=6] [L31] COND TRUE main__X <= 128.0 [L33] main____CPAchecker_TMP_0 = 1 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=2, main__i=0, main__X=6] [L34] COND TRUE main____CPAchecker_TMP_0 != 0 [L36] int main____CPAchecker_TMP_1; VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=2, main__i=0, main__X=6] [L37] COND TRUE main__D >= 0.0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main__D=2, main__i=0, main__X=6] [L39] COND TRUE main__D <= 16.0 [L41] main____CPAchecker_TMP_1 = 1 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=2, main__i=0, main__X=6] [L42] COND TRUE main____CPAchecker_TMP_1 != 0 [L44] main__S = main__Y [L45] main__Y = main__X [L46] main__R = main__X - main__S VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=2, main__i=0, main__S=7, main__X=6, main__Y=6] [L47] COND TRUE main__R <= (-main__D) [L49] main__Y = main__S - main__D VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=2, main__i=0, main__S=7, main__X=6] [L51] int main____CPAchecker_TMP_2; VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=2, main__i=0, main__S=7, main__X=6] [L52] COND FALSE !(main__Y >= -129.0) VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main__D=2, main__i=0, main__S=7, main__X=6] [L211] main____CPAchecker_TMP_2 = 0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=2, main__i=0, main__S=7, main__X=6] [L59] int __tmp_1; [L60] __tmp_1 = main____CPAchecker_TMP_2 [L61] int __VERIFIER_assert__cond; [L62] __VERIFIER_assert__cond = __tmp_1 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_1=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=2, main__i=0, main__S=7, main__X=6] [L63] COND TRUE __VERIFIER_assert__cond == 0 VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_1=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=2, main__i=0, main__S=7, main__X=6] [L65] __VERIFIER_error() VAL [\old(__return_165)=0, \old(__tmp_136_0)=0, \old(__tmp_142_0)=0, \old(__tmp_142_1)=0, \old(__tmp_160_0)=0, \old(__tmp_160_1)=0, \old(__tmp_160_2)=0, __return_165=0, __return_main=0, __tmp_1=0, __tmp_136_0=0, __tmp_142_0=0, __tmp_142_1=0, __tmp_160_0=0, __tmp_160_1=0, __tmp_160_2=0, __VERIFIER_assert__cond=0, main____CPAchecker_TMP_0=1, main____CPAchecker_TMP_1=1, main____CPAchecker_TMP_2=0, main__D=2, main__i=0, main__S=7, main__X=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 49 locations, 2 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 72 SDtfs, 38 SDslu, 136 SDs, 0 SdLazy, 10 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 437 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...