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/test20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:24:04,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:24:04,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:24:04,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:24:04,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:24:04,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:24:04,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:24:04,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:24:04,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:24:04,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:24:04,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:24:04,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:24:04,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:24:04,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:24:04,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:24:04,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:24:04,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:24:04,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:24:04,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:24:04,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:24:04,655 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:24:04,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:24:04,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:24:04,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:24:04,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:24:04,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:24:04,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:24:04,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:24:04,677 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 16:24:04,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:24:04,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:24:04,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:24:04,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:24:04,700 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:24:04,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:24:04,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:24:04,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:24:04,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:24:04,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:24:04,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:24:04,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:24:04,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:24:04,703 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:24:04,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:24:04,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:24:04,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:24:04,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:24:04,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:24:04,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:24:04,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:24:04,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:24:04,705 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:24:04,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:24:04,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:24:04,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:24:04,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:24:04,706 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:24:04,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:24:04,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:24:04,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:24:04,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:24:04,754 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:24:04,755 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:24:04,755 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test20.c [2019-09-16 16:24:04,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee206476/155fef27089c4d469d83a6aae4669e90/FLAG023a7f843 [2019-09-16 16:24:05,195 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:24:05,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test20.c [2019-09-16 16:24:05,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee206476/155fef27089c4d469d83a6aae4669e90/FLAG023a7f843 [2019-09-16 16:24:05,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eee206476/155fef27089c4d469d83a6aae4669e90 [2019-09-16 16:24:05,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:24:05,577 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:24:05,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:24:05,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:24:05,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:24:05,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6f9e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05, skipping insertion in model container [2019-09-16 16:24:05,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,595 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:24:05,614 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:24:05,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:24:05,836 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:24:05,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:24:05,882 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:24:05,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05 WrapperNode [2019-09-16 16:24:05,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:24:05,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:24:05,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:24:05,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:24:05,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:05,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:06,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (1/1) ... [2019-09-16 16:24:06,002 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:24:06,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:24:06,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:24:06,003 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:24:06,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (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 16:24:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:24:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:24:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-16 16:24:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:24:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:24:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-16 16:24:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:24:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:24:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:24:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:24:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:24:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:24:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:24:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:24:06,251 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:24:06,251 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 16:24:06,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:24:06 BoogieIcfgContainer [2019-09-16 16:24:06,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:24:06,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:24:06,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:24:06,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:24:06,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:24:05" (1/3) ... [2019-09-16 16:24:06,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8fc306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:24:06, skipping insertion in model container [2019-09-16 16:24:06,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:24:05" (2/3) ... [2019-09-16 16:24:06,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d8fc306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:24:06, skipping insertion in model container [2019-09-16 16:24:06,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:24:06" (3/3) ... [2019-09-16 16:24:06,260 INFO L109 eAbstractionObserver]: Analyzing ICFG test20.c [2019-09-16 16:24:06,277 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:24:06,293 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:24:06,338 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:24:06,403 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:24:06,404 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:24:06,407 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:24:06,407 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:24:06,408 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:24:06,408 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:24:06,408 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:24:06,408 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:24:06,408 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:24:06,430 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-09-16 16:24:06,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-09-16 16:24:06,435 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:24:06,435 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:24:06,437 INFO L418 AbstractCegarLoop]: === Iteration 1 === [equalErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:24:06,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:24:06,441 INFO L82 PathProgramCache]: Analyzing trace with hash -1534444928, now seen corresponding path program 1 times [2019-09-16 16:24:06,442 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:24:06,443 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:24:06,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:24:06,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:24:06,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:24:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:24:06,625 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 16:24:06,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:24:06,627 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-16 16:24:06,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-16 16:24:06,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-16 16:24:06,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-16 16:24:06,642 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 5 states. [2019-09-16 16:24:06,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:24:06,720 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2019-09-16 16:24:06,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:24:06,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-09-16 16:24:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:24:06,729 INFO L225 Difference]: With dead ends: 24 [2019-09-16 16:24:06,730 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:24:06,733 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-09-16 16:24:06,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:24:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:24:06,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:24:06,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:24:06,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-09-16 16:24:06,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:24:06,759 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:24:06,760 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-16 16:24:06,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:24:06,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:24:06,765 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:24:06,801 INFO L443 ceAbstractionStarter]: For program point equalEXIT(lines 4 12) no Hoare annotation was computed. [2019-09-16 16:24:06,801 INFO L443 ceAbstractionStarter]: For program point equalErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-09-16 16:24:06,802 INFO L446 ceAbstractionStarter]: At program point equalENTRY(lines 4 12) the Hoare annotation is: true [2019-09-16 16:24:06,802 INFO L443 ceAbstractionStarter]: For program point equalFINAL(lines 4 12) no Hoare annotation was computed. [2019-09-16 16:24:06,802 INFO L439 ceAbstractionStarter]: At program point L6(lines 4 12) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (= |equal_#in~a.base| |equal_#in~b.base|)) [2019-09-16 16:24:06,803 INFO L443 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-09-16 16:24:06,803 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:24:06,803 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:24:06,803 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:24:06,804 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:24:06,804 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (not (= |~#b~0.base| |~#a~0.base|)) [2019-09-16 16:24:06,804 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:24:06,804 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:24:06,804 INFO L443 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-09-16 16:24:06,805 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 16 19) the Hoare annotation is: true [2019-09-16 16:24:06,805 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 16 19) no Hoare annotation was computed. [2019-09-16 16:24:06,805 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 16 19) no Hoare annotation was computed. [2019-09-16 16:24:06,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:24:06 BoogieIcfgContainer [2019-09-16 16:24:06,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:24:06,826 INFO L168 Benchmark]: Toolchain (without parser) took 1245.47 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 89.2 MB in the beginning and 135.5 MB in the end (delta: -46.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:06,827 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:24:06,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.64 ms. Allocated memory is still 141.0 MB. Free memory was 89.0 MB in the beginning and 79.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:06,832 INFO L168 Benchmark]: Boogie Preprocessor took 117.75 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 79.5 MB in the beginning and 177.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:06,833 INFO L168 Benchmark]: RCFGBuilder took 250.21 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 164.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:06,834 INFO L168 Benchmark]: TraceAbstraction took 567.79 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 135.5 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-09-16 16:24:06,844 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 304.64 ms. Allocated memory is still 141.0 MB. Free memory was 89.0 MB in the beginning and 79.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.75 ms. Allocated memory was 141.0 MB in the beginning and 199.2 MB in the end (delta: 58.2 MB). Free memory was 79.5 MB in the beginning and 177.2 MB in the end (delta: -97.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 250.21 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 164.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 567.79 ms. Allocated memory is still 199.2 MB. Free memory was 163.8 MB in the beginning and 135.5 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 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 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: a == b || a == b - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 13 SDslu, 20 SDs, 0 SdLazy, 5 SolverSat, 0 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=17occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 15 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 22 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 208 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...