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/ldv-regression/oomInt.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:22:38,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:22:38,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:22:38,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 16:22:38,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:22:38,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:22:38,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:22:38,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:22:38,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:22:38,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:22:38,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:22:38,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:22:38,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:22:38,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:22:38,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:22:38,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:22:38,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:22:38,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:22:38,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:22:38,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:22:38,230 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 [2019-09-16 16:22:38,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:22:38,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:22:38,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:22:38,249 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:22:38,249 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:22:38,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:22:38,250 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:22:38,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:22:38,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:22:38,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:22:38,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:22:38,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:22:38,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:22:38,251 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:22:38,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:22:38,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:22:38,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:22:38,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:22:38,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:22:38,253 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:22:38,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:22:38,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:22:38,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:22:38,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:22:38,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:22:38,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:22:38,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:22:38,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:22:38,255 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:22:38,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:22:38,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:22:38,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:22:38,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:22:38,315 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:22:38,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2019-09-16 16:22:38,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2679c4184/30d32024104e40699299af94840a5507/FLAG9d6d3d658 [2019-09-16 16:22:38,804 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:22:38,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.c_1.i [2019-09-16 16:22:38,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2679c4184/30d32024104e40699299af94840a5507/FLAG9d6d3d658 [2019-09-16 16:22:39,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2679c4184/30d32024104e40699299af94840a5507 [2019-09-16 16:22:39,241 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:22:39,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:22:39,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:22:39,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:22:39,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:22:39,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a928e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39, skipping insertion in model container [2019-09-16 16:22:39,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,260 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:22:39,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:22:39,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:22:39,438 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:22:39,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:22:39,462 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:22:39,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39 WrapperNode [2019-09-16 16:22:39,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:22:39,463 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:22:39,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:22:39,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:22:39,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (1/1) ... [2019-09-16 16:22:39,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:22:39,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:22:39,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:22:39,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:22:39,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (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 [2019-09-16 16:22:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:22:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:22:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-16 16:22:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-09-16 16:22:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-09-16 16:22:39,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:22:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:22:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-16 16:22:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-09-16 16:22:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-09-16 16:22:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:22:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:22:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:22:39,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:22:39,775 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 16:22:39,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:22:39 BoogieIcfgContainer [2019-09-16 16:22:39,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:22:39,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:22:39,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:22:39,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:22:39,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:22:39" (1/3) ... [2019-09-16 16:22:39,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256df55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:22:39, skipping insertion in model container [2019-09-16 16:22:39,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:22:39" (2/3) ... [2019-09-16 16:22:39,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256df55d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:22:39, skipping insertion in model container [2019-09-16 16:22:39,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:22:39" (3/3) ... [2019-09-16 16:22:39,784 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.c_1.i [2019-09-16 16:22:39,793 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:22:39,800 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:22:39,816 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:22:39,842 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:22:39,843 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:22:39,843 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:22:39,843 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:22:39,843 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:22:39,843 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:22:39,843 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:22:39,843 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:22:39,843 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:22:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-09-16 16:22:39,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-09-16 16:22:39,864 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:22:39,865 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:22:39,866 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:22:39,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:22:39,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2008850771, now seen corresponding path program 1 times [2019-09-16 16:22:39,872 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:22:39,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:22:39,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:22:39,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:22:39,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:22:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:22:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-16 16:22:40,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:22:40,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:22:40,089 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:22:40,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:22:40,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:22:40,134 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 6 states. [2019-09-16 16:22:40,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:22:40,308 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2019-09-16 16:22:40,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-16 16:22:40,310 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-09-16 16:22:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:22:40,318 INFO L225 Difference]: With dead ends: 30 [2019-09-16 16:22:40,318 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:22:40,324 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:22:40,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:22:40,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:22:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:22:40,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:22:40,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-09-16 16:22:40,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:22:40,352 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:22:40,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:22:40,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:22:40,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:22:40,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:22:40,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:22:40,384 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:22:40,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:22:40,385 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2019-09-16 16:22:40,385 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 5 8) no Hoare annotation was computed. [2019-09-16 16:22:40,385 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 5 8) no Hoare annotation was computed. [2019-09-16 16:22:40,385 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 5 8) the Hoare annotation is: true [2019-09-16 16:22:40,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:22:40,386 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-16 16:22:40,386 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:22:40,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:22:40,386 INFO L443 ceAbstractionStarter]: For program point L17(lines 17 23) no Hoare annotation was computed. [2019-09-16 16:22:40,386 INFO L443 ceAbstractionStarter]: For program point abs_intEXIT(lines 15 24) no Hoare annotation was computed. [2019-09-16 16:22:40,387 INFO L446 ceAbstractionStarter]: At program point abs_intENTRY(lines 15 24) the Hoare annotation is: true [2019-09-16 16:22:40,387 INFO L443 ceAbstractionStarter]: For program point abs_intFINAL(lines 15 24) no Hoare annotation was computed. [2019-09-16 16:22:40,387 INFO L443 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-09-16 16:22:40,387 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-09-16 16:22:40,388 INFO L446 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 26 30) the Hoare annotation is: true [2019-09-16 16:22:40,388 INFO L439 ceAbstractionStarter]: At program point L29-2(line 29) the Hoare annotation is: false [2019-09-16 16:22:40,388 INFO L443 ceAbstractionStarter]: For program point L29-3(lines 26 30) no Hoare annotation was computed. [2019-09-16 16:22:40,388 INFO L443 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 26 30) no Hoare annotation was computed. [2019-09-16 16:22:40,389 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 32 35) the Hoare annotation is: true [2019-09-16 16:22:40,389 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 32 35) no Hoare annotation was computed. [2019-09-16 16:22:40,389 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 32 35) no Hoare annotation was computed. [2019-09-16 16:22:40,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:22:40 BoogieIcfgContainer [2019-09-16 16:22:40,396 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:22:40,401 INFO L168 Benchmark]: Toolchain (without parser) took 1155.48 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 134.7 MB in the end (delta: -47.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:22:40,402 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:22:40,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.18 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:22:40,404 INFO L168 Benchmark]: Boogie Preprocessor took 105.93 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 77.2 MB in the beginning and 175.6 MB in the end (delta: -98.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:22:40,404 INFO L168 Benchmark]: RCFGBuilder took 207.97 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 164.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:22:40,405 INFO L168 Benchmark]: TraceAbstraction took 618.86 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 134.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:22:40,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 216.18 ms. Allocated memory is still 131.1 MB. Free memory was 86.8 MB in the beginning and 77.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.93 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 77.2 MB in the beginning and 175.6 MB in the end (delta: -98.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 207.97 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 164.1 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 618.86 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 134.7 MB in the end (delta: 28.7 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 24 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 44 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 8 NumberOfFragments, 8 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 392 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 proved your program to be correct! Received shutdown request...