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/test15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:18:48,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:18:48,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:18:48,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:18:48,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:18:48,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:18:48,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:18:48,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:18:48,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:18:48,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:18:48,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:18:48,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:18:48,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:18:48,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:18:48,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:18:48,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:18:48,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:18:48,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:18:48,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:18:48,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:18:48,903 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:18:48,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:18:48,905 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:18:48,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:18:48,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 10:18:48,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:18:48,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:18:48,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:18:48,918 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 [2019-10-02 10:18:48,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:18:48,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:18:48,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:18:48,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:18:48,934 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:18:48,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:18:48,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:18:48,934 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:18:48,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:18:48,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:18:48,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:18:48,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:18:48,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:18:48,935 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:18:48,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:18:48,936 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:18:48,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:18:48,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:18:48,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:18:48,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:18:48,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:18:48,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:18:48,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:18:48,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:18:48,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:18:48,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:18:48,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:18:48,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:18:48,938 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:18:48,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:18:48,980 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:18:48,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:18:48,985 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:18:48,985 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:18:48,986 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c [2019-10-02 10:18:49,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c6e2341/d4660800440a437d9132b92bda83ee63/FLAGfc9b40420 [2019-10-02 10:18:49,508 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:18:49,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test15.c [2019-10-02 10:18:49,513 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c6e2341/d4660800440a437d9132b92bda83ee63/FLAGfc9b40420 [2019-10-02 10:18:49,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51c6e2341/d4660800440a437d9132b92bda83ee63 [2019-10-02 10:18:49,896 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:18:49,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:18:49,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:18:49,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:18:49,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:18:49,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:18:49" (1/1) ... [2019-10-02 10:18:49,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c3d37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:49, skipping insertion in model container [2019-10-02 10:18:49,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:18:49" (1/1) ... [2019-10-02 10:18:49,913 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:18:49,929 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:18:50,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:18:50,091 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:18:50,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:18:50,123 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:18:50,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50 WrapperNode [2019-10-02 10:18:50,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:18:50,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:18:50,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:18:50,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:18:50,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,231 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (1/1) ... [2019-10-02 10:18:50,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:18:50,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:18:50,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:18:50,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:18:50,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (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 [2019-10-02 10:18:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:18:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:18:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-02 10:18:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:18:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:18:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 10:18:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-02 10:18:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:18:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:18:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:18:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:18:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:18:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:18:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:18:50,483 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:18:50,483 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 10:18:50,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:18:50 BoogieIcfgContainer [2019-10-02 10:18:50,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:18:50,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:18:50,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:18:50,500 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:18:50,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:18:49" (1/3) ... [2019-10-02 10:18:50,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b070d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:18:50, skipping insertion in model container [2019-10-02 10:18:50,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:50" (2/3) ... [2019-10-02 10:18:50,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b070d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:18:50, skipping insertion in model container [2019-10-02 10:18:50,502 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:18:50" (3/3) ... [2019-10-02 10:18:50,504 INFO L109 eAbstractionObserver]: Analyzing ICFG test15.c [2019-10-02 10:18:50,514 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:18:50,521 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:18:50,558 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:18:50,608 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:18:50,609 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:18:50,609 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:18:50,609 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:18:50,609 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:18:50,610 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:18:50,610 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:18:50,610 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:18:50,610 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:18:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-10-02 10:18:50,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-02 10:18:50,638 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:18:50,639 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:18:50,641 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:18:50,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:18:50,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2019-10-02 10:18:50,649 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:18:50,649 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:18:50,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:18:50,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:18:50,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:18:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:18:50,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 10:18:50,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:18:50,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:18:50,928 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:18:50,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:18:50,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:18:50,941 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2019-10-02 10:18:51,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:18:51,031 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-02 10:18:51,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:18:51,035 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-10-02 10:18:51,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:18:51,042 INFO L225 Difference]: With dead ends: 22 [2019-10-02 10:18:51,042 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 10:18:51,046 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:18:51,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 10:18:51,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 10:18:51,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 10:18:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 10:18:51,070 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-02 10:18:51,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:18:51,071 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 10:18:51,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:18:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 10:18:51,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 10:18:51,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 10:18:51,097 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:18:51,097 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:18:51,097 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:18:51,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:18:51,098 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-02 10:18:51,098 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:18:51,098 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:18:51,099 INFO L439 ceAbstractionStarter]: At program point L14(lines 9 21) the Hoare annotation is: false [2019-10-02 10:18:51,099 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 9 21) the Hoare annotation is: true [2019-10-02 10:18:51,099 INFO L443 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2019-10-02 10:18:51,099 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 9 21) no Hoare annotation was computed. [2019-10-02 10:18:51,100 INFO L439 ceAbstractionStarter]: At program point L12(line 12) the Hoare annotation is: (not (= |main_~#b~0.base| |main_~#a~0.base|)) [2019-10-02 10:18:51,100 INFO L443 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2019-10-02 10:18:51,100 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2019-10-02 10:18:51,100 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 21) no Hoare annotation was computed. [2019-10-02 10:18:51,100 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 5 7) no Hoare annotation was computed. [2019-10-02 10:18:51,101 INFO L446 ceAbstractionStarter]: At program point assignENTRY(lines 5 7) the Hoare annotation is: true [2019-10-02 10:18:51,101 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 5 7) no Hoare annotation was computed. [2019-10-02 10:18:51,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 10:18:51 BoogieIcfgContainer [2019-10-02 10:18:51,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 10:18:51,112 INFO L168 Benchmark]: Toolchain (without parser) took 1213.04 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.5 MB in the beginning and 130.5 MB in the end (delta: -42.0 MB). Peak memory consumption was 25.1 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:51,113 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 10:18:51,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.53 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 78.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:51,115 INFO L168 Benchmark]: Boogie Preprocessor took 111.56 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.8 MB in the beginning and 176.6 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:51,116 INFO L168 Benchmark]: RCFGBuilder took 248.71 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 163.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:51,117 INFO L168 Benchmark]: TraceAbstraction took 614.28 ms. Allocated memory is still 199.8 MB. Free memory was 162.7 MB in the beginning and 130.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:51,121 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 225.53 ms. Allocated memory is still 132.6 MB. Free memory was 88.3 MB in the beginning and 78.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.56 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 78.8 MB in the beginning and 176.6 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 248.71 ms. Allocated memory is still 199.8 MB. Free memory was 176.6 MB in the beginning and 163.4 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 614.28 ms. Allocated memory is still 199.8 MB. Free memory was 162.7 MB in the beginning and 130.5 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: 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: 9]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 2 SDslu, 41 SDs, 0 SdLazy, 14 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 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, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 10 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 660 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...