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-fea9116 [2019-09-20 13:01:00,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:01:00,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:01:00,966 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:01:00,967 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:01:00,968 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:01:00,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:01:00,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:01:00,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:01:00,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:01:00,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:01:00,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:01:00,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:01:00,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:01:00,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:01:00,985 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:01:00,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:01:00,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:01:00,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:01:00,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:01:00,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:01:00,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:01:00,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:01:00,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:01:01,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:01:01,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:01:01,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:01:01,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:01:01,010 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 [2019-09-20 13:01:01,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:01:01,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:01:01,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:01:01,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:01:01,031 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:01:01,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:01:01,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:01:01,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:01:01,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:01:01,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:01:01,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:01:01,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:01:01,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:01:01,034 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:01:01,034 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:01:01,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:01:01,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:01:01,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:01:01,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:01:01,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:01:01,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:01:01,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:01:01,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:01:01,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:01:01,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:01:01,038 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:01:01,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:01:01,038 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:01:01,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:01:01,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:01:01,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:01:01,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:01:01,110 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:01:01,110 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:01:01,111 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c [2019-09-20 13:01:01,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5833369ee/a5ff743f5ccd49d2be476714ea795375/FLAGd8b951d31 [2019-09-20 13:01:01,688 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:01:01,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test15.c [2019-09-20 13:01:01,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5833369ee/a5ff743f5ccd49d2be476714ea795375/FLAGd8b951d31 [2019-09-20 13:01:02,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5833369ee/a5ff743f5ccd49d2be476714ea795375 [2019-09-20 13:01:02,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:01:02,119 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:01:02,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:02,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:01:02,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:01:02,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f9e092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02, skipping insertion in model container [2019-09-20 13:01:02,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:01:02,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:01:02,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:02,358 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:01:02,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:02,385 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:01:02,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02 WrapperNode [2019-09-20 13:01:02,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:02,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:01:02,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:01:02,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:01:02,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (1/1) ... [2019-09-20 13:01:02,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:01:02,500 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:01:02,500 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:01:02,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:01:02,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (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 [2019-09-20 13:01:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:01:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:01:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-20 13:01:02,563 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:01:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:01:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:01:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-20 13:01:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:01:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:01:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:01:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:01:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:01:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:01:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:01:02,767 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:01:02,768 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:01:02,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:02 BoogieIcfgContainer [2019-09-20 13:01:02,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:01:02,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:01:02,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:01:02,775 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:01:02,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:01:02" (1/3) ... [2019-09-20 13:01:02,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5323bf8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:01:02, skipping insertion in model container [2019-09-20 13:01:02,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:02" (2/3) ... [2019-09-20 13:01:02,793 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5323bf8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:01:02, skipping insertion in model container [2019-09-20 13:01:02,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:02" (3/3) ... [2019-09-20 13:01:02,795 INFO L109 eAbstractionObserver]: Analyzing ICFG test15.c [2019-09-20 13:01:02,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:01:02,816 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:01:02,847 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:01:02,883 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:01:02,884 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:01:02,885 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:01:02,885 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:01:02,885 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:01:02,885 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:01:02,885 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:01:02,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:01:02,886 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:01:02,905 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-09-20 13:01:02,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-20 13:01:02,911 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:01:02,913 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:01:02,915 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:01:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:01:02,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2019-09-20 13:01:02,924 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:01:02,924 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:01:02,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:02,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:01:02,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:01:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:01:03,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:01:03,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:01:03,201 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:01:03,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:01:03,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:01:03,214 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2019-09-20 13:01:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:01:03,319 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-09-20 13:01:03,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:01:03,321 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-09-20 13:01:03,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:01:03,329 INFO L225 Difference]: With dead ends: 22 [2019-09-20 13:01:03,330 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:01:03,335 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:01:03,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:01:03,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:01:03,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:01:03,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:01:03,359 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-09-20 13:01:03,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:01:03,359 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:01:03,360 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:01:03,360 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:01:03,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:01:03,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:01:03,387 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:03,387 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:03,387 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:03,388 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:03,388 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 13:01:03,388 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:03,388 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:03,389 INFO L439 ceAbstractionStarter]: At program point L14(lines 9 21) the Hoare annotation is: false [2019-09-20 13:01:03,389 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 9 21) the Hoare annotation is: true [2019-09-20 13:01:03,389 INFO L443 ceAbstractionStarter]: For program point L13(lines 13 15) no Hoare annotation was computed. [2019-09-20 13:01:03,390 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 9 21) no Hoare annotation was computed. [2019-09-20 13:01:03,390 INFO L439 ceAbstractionStarter]: At program point L12(line 12) the Hoare annotation is: (not (= |main_~#b~0.base| |main_~#a~0.base|)) [2019-09-20 13:01:03,390 INFO L443 ceAbstractionStarter]: For program point L12-1(line 12) no Hoare annotation was computed. [2019-09-20 13:01:03,390 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 9 21) no Hoare annotation was computed. [2019-09-20 13:01:03,390 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2019-09-20 13:01:03,391 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 5 7) no Hoare annotation was computed. [2019-09-20 13:01:03,391 INFO L446 ceAbstractionStarter]: At program point assignENTRY(lines 5 7) the Hoare annotation is: true [2019-09-20 13:01:03,391 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 5 7) no Hoare annotation was computed. [2019-09-20 13:01:03,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:01:03 BoogieIcfgContainer [2019-09-20 13:01:03,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:01:03,403 INFO L168 Benchmark]: Toolchain (without parser) took 1283.71 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 86.7 MB in the beginning and 128.3 MB in the end (delta: -41.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:03,404 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:01:03,405 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.19 ms. Allocated memory is still 131.6 MB. Free memory was 86.3 MB in the beginning and 76.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:03,407 INFO L168 Benchmark]: Boogie Preprocessor took 113.39 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 76.9 MB in the beginning and 174.4 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:03,408 INFO L168 Benchmark]: RCFGBuilder took 269.92 ms. Allocated memory is still 198.2 MB. Free memory was 174.4 MB in the beginning and 161.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:03,409 INFO L168 Benchmark]: TraceAbstraction took 628.75 ms. Allocated memory is still 198.2 MB. Free memory was 161.1 MB in the beginning and 128.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:03,413 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.19 ms. Allocated memory is still 131.6 MB. Free memory was 86.3 MB in the beginning and 76.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.39 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 76.9 MB in the beginning and 174.4 MB in the end (delta: -97.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 269.92 ms. Allocated memory is still 198.2 MB. Free memory was 174.4 MB in the beginning and 161.1 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 628.75 ms. Allocated memory is still 198.2 MB. Free memory was 161.1 MB in the beginning and 128.3 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 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, 0.1s 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, 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...