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/test_union_cast-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:25:18,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:25:18,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:25:18,426 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 16:25:18,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:25:18,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:25:18,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:25:18,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:25:18,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:25:18,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:25:18,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:25:18,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:25:18,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:25:18,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:25:18,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:25:18,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:25:18,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:25:18,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:25:18,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:25:18,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:25:18,461 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 16:25:18,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:25:18,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:25:18,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:25:18,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:25:18,477 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:25:18,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:25:18,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:25:18,478 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:25:18,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:25:18,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:25:18,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:25:18,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:25:18,479 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:25:18,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:25:18,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:25:18,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:25:18,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:25:18,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:25:18,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:25:18,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:25:18,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:25:18,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:25:18,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:25:18,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:25:18,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:25:18,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:25:18,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:25:18,482 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:25:18,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:25:18,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:25:18,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:25:18,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:25:18,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:25:18,535 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:25:18,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union_cast-1.i [2019-09-16 16:25:18,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595dd5b3b/e5be0982ce1c43d9a6375f3cd171a313/FLAG58e7e4708 [2019-09-16 16:25:19,032 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:25:19,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union_cast-1.i [2019-09-16 16:25:19,041 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595dd5b3b/e5be0982ce1c43d9a6375f3cd171a313/FLAG58e7e4708 [2019-09-16 16:25:19,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/595dd5b3b/e5be0982ce1c43d9a6375f3cd171a313 [2019-09-16 16:25:19,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:25:19,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:25:19,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:25:19,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:25:19,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:25:19,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d73f3ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19, skipping insertion in model container [2019-09-16 16:25:19,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,485 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:25:19,504 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:25:19,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:25:19,701 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:25:19,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:25:19,749 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:25:19,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19 WrapperNode [2019-09-16 16:25:19,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:25:19,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:25:19,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:25:19,751 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:25:19,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (1/1) ... [2019-09-16 16:25:19,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:25:19,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:25:19,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:25:19,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:25:19,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (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 16:25:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:25:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:25:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 16:25:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:25:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:25:19,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-16 16:25:19,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:25:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:25:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:25:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:25:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:25:19,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-16 16:25:20,128 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:25:20,129 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 16:25:20,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:25:20 BoogieIcfgContainer [2019-09-16 16:25:20,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:25:20,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:25:20,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:25:20,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:25:20,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:25:19" (1/3) ... [2019-09-16 16:25:20,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f94a21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:25:20, skipping insertion in model container [2019-09-16 16:25:20,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:25:19" (2/3) ... [2019-09-16 16:25:20,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f94a21d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:25:20, skipping insertion in model container [2019-09-16 16:25:20,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:25:20" (3/3) ... [2019-09-16 16:25:20,159 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union_cast-1.i [2019-09-16 16:25:20,190 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:25:20,207 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:25:20,242 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:25:20,286 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:25:20,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:25:20,287 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:25:20,287 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:25:20,287 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:25:20,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:25:20,287 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:25:20,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:25:20,287 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:25:20,302 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-09-16 16:25:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-16 16:25:20,306 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:25:20,307 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:25:20,309 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:25:20,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:25:20,315 INFO L82 PathProgramCache]: Analyzing trace with hash -715594688, now seen corresponding path program 1 times [2019-09-16 16:25:20,317 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:25:20,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:25:20,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:25:20,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:25:20,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:25:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:25:20,562 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 16:25:20,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:25:20,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:25:20,568 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:25:20,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:25:20,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:25:20,582 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 5 states. [2019-09-16 16:25:20,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:25:20,655 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-09-16 16:25:20,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:25:20,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2019-09-16 16:25:20,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:25:20,662 INFO L225 Difference]: With dead ends: 25 [2019-09-16 16:25:20,662 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:25:20,665 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:25:20,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:25:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:25:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:25:20,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:25:20,688 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-09-16 16:25:20,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:25:20,688 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:25:20,688 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:25:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:25:20,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:25:20,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:25:20,720 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:25:20,720 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:25:20,721 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:25:20,721 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:25:20,721 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-16 16:25:20,721 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:25:20,721 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:25:20,721 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 24 30) the Hoare annotation is: true [2019-09-16 16:25:20,721 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 24 30) no Hoare annotation was computed. [2019-09-16 16:25:20,722 INFO L439 ceAbstractionStarter]: At program point L28(line 28) the Hoare annotation is: (= 10 |main_#t~mem0|) [2019-09-16 16:25:20,722 INFO L443 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2019-09-16 16:25:20,722 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 24 30) no Hoare annotation was computed. [2019-09-16 16:25:20,722 INFO L443 ceAbstractionStarter]: For program point L3-2(lines 2 7) no Hoare annotation was computed. [2019-09-16 16:25:20,722 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 2 7) the Hoare annotation is: true [2019-09-16 16:25:20,723 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 2 7) no Hoare annotation was computed. [2019-09-16 16:25:20,723 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2019-09-16 16:25:20,723 INFO L443 ceAbstractionStarter]: For program point L4(line 4) no Hoare annotation was computed. [2019-09-16 16:25:20,723 INFO L443 ceAbstractionStarter]: For program point L3(lines 3 5) no Hoare annotation was computed. [2019-09-16 16:25:20,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:25:20 BoogieIcfgContainer [2019-09-16 16:25:20,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:25:20,730 INFO L168 Benchmark]: Toolchain (without parser) took 1262.08 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 85.2 MB in the beginning and 133.7 MB in the end (delta: -48.5 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:25:20,732 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:25:20,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.32 ms. Allocated memory is still 137.9 MB. Free memory was 85.0 MB in the beginning and 75.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-16 16:25:20,734 INFO L168 Benchmark]: Boogie Preprocessor took 130.80 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 75.1 MB in the beginning and 173.8 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:25:20,735 INFO L168 Benchmark]: RCFGBuilder took 248.57 ms. Allocated memory is still 197.1 MB. Free memory was 173.8 MB in the beginning and 160.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:25:20,736 INFO L168 Benchmark]: TraceAbstraction took 588.56 ms. Allocated memory is still 197.1 MB. Free memory was 160.0 MB in the beginning and 133.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:25:20,739 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 282.32 ms. Allocated memory is still 137.9 MB. Free memory was 85.0 MB in the beginning and 75.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.80 ms. Allocated memory was 137.9 MB in the beginning and 197.1 MB in the end (delta: 59.2 MB). Free memory was 75.1 MB in the beginning and 173.8 MB in the end (delta: -98.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.57 ms. Allocated memory is still 197.1 MB. Free memory was 173.8 MB in the beginning and 160.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 588.56 ms. Allocated memory is still 197.1 MB. Free memory was 160.0 MB in the beginning and 133.7 MB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 5 SDslu, 31 SDs, 0 SdLazy, 8 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 8 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 153 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...