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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 01:33:29,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 01:33:29,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 01:33:29,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-08 01:33:29,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 01:33:29,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 01:33:29,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 01:33:29,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 01:33:29,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 01:33:29,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 01:33:29,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 01:33:29,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 01:33:29,470 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 01:33:29,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 01:33:29,472 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 01:33:29,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 01:33:29,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-08 01:33:29,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 01:33:29,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 01:33:29,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 01:33:29,484 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 01:33:29,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 01:33:29,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 01:33:29,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 01:33:29,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 01:33:29,500 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 01:33:29,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 01:33:29,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 01:33:29,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 01:33:29,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 01:33:29,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 01:33:29,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 01:33:29,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 01:33:29,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 01:33:29,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 01:33:29,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 01:33:29,503 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 01:33:29,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 01:33:29,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 01:33:29,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 01:33:29,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 01:33:29,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 01:33:29,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 01:33:29,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 01:33:29,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 01:33:29,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 01:33:29,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 01:33:29,505 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 01:33:29,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 01:33:29,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 01:33:29,540 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 01:33:29,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 01:33:29,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 01:33:29,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 01:33:29,558 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 01:33:29,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/oomInt.i [2019-09-08 01:33:29,627 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d6b9f27/5fe2760c90ed4fd79a98cc4acb05220c/FLAGe667005a5 [2019-09-08 01:33:30,076 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 01:33:30,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/oomInt.i [2019-09-08 01:33:30,083 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d6b9f27/5fe2760c90ed4fd79a98cc4acb05220c/FLAGe667005a5 [2019-09-08 01:33:30,486 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d6b9f27/5fe2760c90ed4fd79a98cc4acb05220c [2019-09-08 01:33:30,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 01:33:30,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 01:33:30,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 01:33:30,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 01:33:30,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 01:33:30,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30, skipping insertion in model container [2019-09-08 01:33:30,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 01:33:30,533 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 01:33:30,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:33:30,714 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 01:33:30,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 01:33:30,739 INFO L192 MainTranslator]: Completed translation [2019-09-08 01:33:30,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30 WrapperNode [2019-09-08 01:33:30,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 01:33:30,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 01:33:30,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 01:33:30,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 01:33:30,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (1/1) ... [2019-09-08 01:33:30,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 01:33:30,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 01:33:30,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 01:33:30,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 01:33:30,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (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 01:33:30,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 01:33:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 01:33:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-08 01:33:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure abs_int [2019-09-08 01:33:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure firstFunction [2019-09-08 01:33:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 01:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 01:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-08 01:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure abs_int [2019-09-08 01:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure firstFunction [2019-09-08 01:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 01:33:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 01:33:30,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 01:33:31,089 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 01:33:31,089 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-08 01:33:31,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:33:31 BoogieIcfgContainer [2019-09-08 01:33:31,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 01:33:31,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 01:33:31,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 01:33:31,106 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 01:33:31,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:33:30" (1/3) ... [2019-09-08 01:33:31,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693b67f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:33:31, skipping insertion in model container [2019-09-08 01:33:31,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:30" (2/3) ... [2019-09-08 01:33:31,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@693b67f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:33:31, skipping insertion in model container [2019-09-08 01:33:31,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:33:31" (3/3) ... [2019-09-08 01:33:31,110 INFO L109 eAbstractionObserver]: Analyzing ICFG oomInt.i [2019-09-08 01:33:31,133 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 01:33:31,147 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 01:33:31,166 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 01:33:31,201 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 01:33:31,202 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 01:33:31,202 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 01:33:31,203 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 01:33:31,203 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 01:33:31,203 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 01:33:31,203 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 01:33:31,204 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 01:33:31,204 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 01:33:31,222 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-09-08 01:33:31,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-09-08 01:33:31,229 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 01:33:31,230 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 01:33:31,232 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 01:33:31,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 01:33:31,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1310527286, now seen corresponding path program 1 times [2019-09-08 01:33:31,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 01:33:31,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 01:33:31,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:33:31,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 01:33:31,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 01:33:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 01:33:31,497 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 01:33:31,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 01:33:31,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 01:33:31,503 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 01:33:31,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 01:33:31,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 01:33:31,520 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2019-09-08 01:33:31,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 01:33:31,662 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2019-09-08 01:33:31,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 01:33:31,667 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-09-08 01:33:31,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 01:33:31,680 INFO L225 Difference]: With dead ends: 33 [2019-09-08 01:33:31,680 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 01:33:31,687 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2019-09-08 01:33:31,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 01:33:31,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 01:33:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 01:33:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 01:33:31,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2019-09-08 01:33:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 01:33:31,718 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 01:33:31,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 01:33:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 01:33:31,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 01:33:31,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 01:33:31,782 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-08 01:33:31,783 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-08 01:33:31,783 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-08 01:33:31,784 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-08 01:33:31,784 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-08 01:33:31,784 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-08 01:33:31,784 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-08 01:33:31,785 INFO L443 ceAbstractionStarter]: For program point abs_intEXIT(lines 16 25) no Hoare annotation was computed. [2019-09-08 01:33:31,785 INFO L446 ceAbstractionStarter]: At program point abs_intENTRY(lines 16 25) the Hoare annotation is: true [2019-09-08 01:33:31,785 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 24) no Hoare annotation was computed. [2019-09-08 01:33:31,785 INFO L443 ceAbstractionStarter]: For program point abs_intFINAL(lines 16 25) no Hoare annotation was computed. [2019-09-08 01:33:31,786 INFO L439 ceAbstractionStarter]: At program point L30(line 30) the Hoare annotation is: (<= 3 ~p~0) [2019-09-08 01:33:31,786 INFO L443 ceAbstractionStarter]: For program point L29(line 29) no Hoare annotation was computed. [2019-09-08 01:33:31,786 INFO L446 ceAbstractionStarter]: At program point firstFunctionENTRY(lines 27 31) the Hoare annotation is: true [2019-09-08 01:33:31,786 INFO L443 ceAbstractionStarter]: For program point firstFunctionFINAL(lines 27 31) no Hoare annotation was computed. [2019-09-08 01:33:31,786 INFO L443 ceAbstractionStarter]: For program point firstFunctionEXIT(lines 27 31) no Hoare annotation was computed. [2019-09-08 01:33:31,787 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 33 36) the Hoare annotation is: true [2019-09-08 01:33:31,787 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 33 36) no Hoare annotation was computed. [2019-09-08 01:33:31,787 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 33 36) no Hoare annotation was computed. [2019-09-08 01:33:31,787 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 6 12) the Hoare annotation is: true [2019-09-08 01:33:31,788 INFO L443 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-09-08 01:33:31,788 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 6 12) no Hoare annotation was computed. [2019-09-08 01:33:31,788 INFO L443 ceAbstractionStarter]: For program point L8(lines 8 11) no Hoare annotation was computed. [2019-09-08 01:33:31,788 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-09-08 01:33:31,789 INFO L443 ceAbstractionStarter]: For program point L8-2(lines 6 12) no Hoare annotation was computed. [2019-09-08 01:33:31,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:33:31 BoogieIcfgContainer [2019-09-08 01:33:31,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 01:33:31,796 INFO L168 Benchmark]: Toolchain (without parser) took 1296.51 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 89.2 MB in the beginning and 130.1 MB in the end (delta: -40.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:33:31,796 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 01:33:31,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.57 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 80.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-08 01:33:31,798 INFO L168 Benchmark]: Boogie Preprocessor took 116.33 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 80.1 MB in the beginning and 178.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-08 01:33:31,799 INFO L168 Benchmark]: RCFGBuilder took 234.07 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 167.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-08 01:33:31,801 INFO L168 Benchmark]: TraceAbstraction took 697.69 ms. Allocated memory is still 200.8 MB. Free memory was 166.7 MB in the beginning and 130.1 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-09-08 01:33:31,805 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 141.6 MB. Free memory is still 107.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 240.57 ms. Allocated memory is still 141.6 MB. Free memory was 89.2 MB in the beginning and 80.1 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.33 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 80.1 MB in the beginning and 178.0 MB in the end (delta: -97.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.07 ms. Allocated memory is still 200.8 MB. Free memory was 178.0 MB in the beginning and 167.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 697.69 ms. Allocated memory is still 200.8 MB. Free memory was 166.7 MB in the beginning and 130.1 MB in the end (delta: 36.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 10]: 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, 25 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 17 SDslu, 79 SDs, 0 SdLazy, 40 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 10 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 525 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...