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/test16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 16:23:54,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 16:23:54,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 16:23:54,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 16:23:54,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 16:23:54,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 16:23:54,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 16:23:54,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 16:23:54,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 16:23:54,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 16:23:54,716 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 16:23:54,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 16:23:54,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 16:23:54,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 16:23:54,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 16:23:54,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 16:23:54,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 16:23:54,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 16:23:54,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 16:23:54,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 16:23:54,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 16:23:54,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 16:23:54,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 16:23:54,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 16:23:54,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 16:23:54,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 16:23:54,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 16:23:54,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 16:23:54,744 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 16:23:54,759 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 16:23:54,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 16:23:54,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-16 16:23:54,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-16 16:23:54,761 INFO L138 SettingsManager]: * Use SBE=true [2019-09-16 16:23:54,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 16:23:54,761 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 16:23:54,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-16 16:23:54,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 16:23:54,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 16:23:54,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 16:23:54,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 16:23:54,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 16:23:54,762 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 16:23:54,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 16:23:54,763 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-16 16:23:54,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 16:23:54,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 16:23:54,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 16:23:54,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-16 16:23:54,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-16 16:23:54,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 16:23:54,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 16:23:54,764 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 16:23:54,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-16 16:23:54,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-16 16:23:54,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 16:23:54,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-16 16:23:54,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 16:23:54,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 16:23:54,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 16:23:54,810 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 16:23:54,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 16:23:54,812 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 16:23:54,812 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test16.c [2019-09-16 16:23:54,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3372602b2/2c376cad7d4847c5a490233c84109483/FLAGd580bbcc8 [2019-09-16 16:23:55,322 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 16:23:55,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test16.c [2019-09-16 16:23:55,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3372602b2/2c376cad7d4847c5a490233c84109483/FLAGd580bbcc8 [2019-09-16 16:23:55,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3372602b2/2c376cad7d4847c5a490233c84109483 [2019-09-16 16:23:55,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 16:23:55,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 16:23:55,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 16:23:55,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 16:23:55,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 16:23:55,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:23:55" (1/1) ... [2019-09-16 16:23:55,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c4d59c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:55, skipping insertion in model container [2019-09-16 16:23:55,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 04:23:55" (1/1) ... [2019-09-16 16:23:55,775 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 16:23:55,793 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 16:23:55,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:23:56,003 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 16:23:56,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 16:23:56,031 INFO L192 MainTranslator]: Completed translation [2019-09-16 16:23:56,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56 WrapperNode [2019-09-16 16:23:56,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 16:23:56,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 16:23:56,033 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 16:23:56,033 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 16:23:56,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (1/1) ... [2019-09-16 16:23:56,144 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 16:23:56,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 16:23:56,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 16:23:56,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 16:23:56,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (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 16:23:56,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 16:23:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 16:23:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-16 16:23:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 16:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 16:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-16 16:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 16:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 16:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 16:23:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 16:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-16 16:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-16 16:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 16:23:56,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 16:23:56,395 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 16:23:56,395 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-16 16:23:56,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:23:56 BoogieIcfgContainer [2019-09-16 16:23:56,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 16:23:56,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-16 16:23:56,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-16 16:23:56,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-16 16:23:56,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 04:23:55" (1/3) ... [2019-09-16 16:23:56,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff989c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:23:56, skipping insertion in model container [2019-09-16 16:23:56,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 04:23:56" (2/3) ... [2019-09-16 16:23:56,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff989c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 04:23:56, skipping insertion in model container [2019-09-16 16:23:56,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 04:23:56" (3/3) ... [2019-09-16 16:23:56,404 INFO L109 eAbstractionObserver]: Analyzing ICFG test16.c [2019-09-16 16:23:56,414 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-16 16:23:56,423 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-16 16:23:56,451 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-16 16:23:56,487 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-16 16:23:56,488 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-16 16:23:56,488 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-16 16:23:56,489 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-16 16:23:56,489 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-16 16:23:56,489 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-16 16:23:56,489 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-16 16:23:56,489 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-16 16:23:56,489 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-16 16:23:56,511 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-09-16 16:23:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-09-16 16:23:56,518 INFO L399 BasicCegarLoop]: Found error trace [2019-09-16 16:23:56,519 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-16 16:23:56,521 INFO L418 AbstractCegarLoop]: === Iteration 1 === [equalErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-16 16:23:56,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-16 16:23:56,527 INFO L82 PathProgramCache]: Analyzing trace with hash 390654600, now seen corresponding path program 1 times [2019-09-16 16:23:56,529 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-16 16:23:56,529 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-16 16:23:56,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:23:56,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-16 16:23:56,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-16 16:23:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-16 16:23:56,824 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 16:23:56,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-16 16:23:56,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-16 16:23:56,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-16 16:23:56,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-16 16:23:56,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-16 16:23:56,842 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2019-09-16 16:23:57,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-16 16:23:57,010 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2019-09-16 16:23:57,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-16 16:23:57,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-09-16 16:23:57,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-16 16:23:57,020 INFO L225 Difference]: With dead ends: 25 [2019-09-16 16:23:57,020 INFO L226 Difference]: Without dead ends: 0 [2019-09-16 16:23:57,024 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-09-16 16:23:57,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-16 16:23:57,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-16 16:23:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-16 16:23:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-16 16:23:57,050 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-09-16 16:23:57,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-16 16:23:57,051 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-16 16:23:57,051 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-16 16:23:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-16 16:23:57,051 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-16 16:23:57,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-16 16:23:57,149 INFO L443 ceAbstractionStarter]: For program point equalEXIT(lines 4 12) no Hoare annotation was computed. [2019-09-16 16:23:57,150 INFO L446 ceAbstractionStarter]: At program point equalENTRY(lines 4 12) the Hoare annotation is: true [2019-09-16 16:23:57,150 INFO L443 ceAbstractionStarter]: For program point equalFINAL(lines 4 12) no Hoare annotation was computed. [2019-09-16 16:23:57,150 INFO L439 ceAbstractionStarter]: At program point L6(lines 4 12) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (not (= (select (select |#memory_int| |equal_#in~b.base|) |equal_#in~b.offset|) (select (select |#memory_int| |equal_#in~a.base|) |equal_#in~a.offset|))) (not (= (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|) (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|)))) [2019-09-16 16:23:57,151 INFO L443 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-09-16 16:23:57,151 INFO L443 ceAbstractionStarter]: For program point equalErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2019-09-16 16:23:57,151 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:23:57,151 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:23:57,152 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:23:57,152 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-16 16:23:57,152 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= |~#b~0.base| |~#a~0.base|)) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|))) [2019-09-16 16:23:57,152 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-16 16:23:57,152 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-16 16:23:57,153 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 17 28) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (not (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)))) [2019-09-16 16:23:57,153 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 17 28) no Hoare annotation was computed. [2019-09-16 16:23:57,153 INFO L439 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (or (= |~#a~0.base| |~#b~0.base|) (= (select (select |#memory_int| |~#b~0.base|) |~#b~0.offset|) (select (select |#memory_int| |~#a~0.base|) |~#a~0.offset|)) (not (= (select (select |old(#memory_int)| |~#a~0.base|) |~#a~0.offset|) (select (select |old(#memory_int)| |~#b~0.base|) |~#b~0.offset|)))) [2019-09-16 16:23:57,154 INFO L443 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2019-09-16 16:23:57,154 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 17 28) no Hoare annotation was computed. [2019-09-16 16:23:57,162 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,163 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,164 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,164 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,170 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,170 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,171 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,171 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 04:23:57 BoogieIcfgContainer [2019-09-16 16:23:57,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-16 16:23:57,177 INFO L168 Benchmark]: Toolchain (without parser) took 1420.84 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 86.3 MB in the beginning and 117.8 MB in the end (delta: -31.5 MB). Peak memory consumption was 27.7 MB. Max. memory is 7.1 GB. [2019-09-16 16:23:57,178 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 16:23:57,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.79 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 76.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:23:57,180 INFO L168 Benchmark]: Boogie Preprocessor took 111.40 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 76.4 MB in the beginning and 175.0 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-16 16:23:57,181 INFO L168 Benchmark]: RCFGBuilder took 251.77 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 160.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-09-16 16:23:57,182 INFO L168 Benchmark]: TraceAbstraction took 775.90 ms. Allocated memory is still 197.7 MB. Free memory was 160.9 MB in the beginning and 117.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. [2019-09-16 16:23:57,189 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 276.79 ms. Allocated memory is still 138.4 MB. Free memory was 85.9 MB in the beginning and 76.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.40 ms. Allocated memory was 138.4 MB in the beginning and 197.7 MB in the end (delta: 59.2 MB). Free memory was 76.4 MB in the beginning and 175.0 MB in the end (delta: -98.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 251.77 ms. Allocated memory is still 197.7 MB. Free memory was 174.4 MB in the beginning and 160.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 775.90 ms. Allocated memory is still 197.7 MB. Free memory was 160.9 MB in the beginning and 117.8 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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 [2019-09-16 16:23:57,200 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,200 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,200 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,200 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,201 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,201 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,202 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-09-16 16:23:57,202 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (a == b || !(unknown-#memory_int-unknown[b][b] == unknown-#memory_int-unknown[a][a])) || !(unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[b][b]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 11 SDtfs, 13 SDslu, 18 SDs, 0 SdLazy, 13 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 101 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 64 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, 387 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...