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/test26-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:19:02,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:19:02,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:19:02,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:19:02,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:19:02,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:19:02,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:19:02,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:19:02,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:19:02,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:19:02,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:19:02,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:19:02,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:19:02,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:19:02,443 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:19:02,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:19:02,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:19:02,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:19:02,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:19:02,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:19:02,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:19:02,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:19:02,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:19:02,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:19:02,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 10:19:02,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:19:02,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:19:02,498 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:19:02,499 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 10:19:02,516 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:19:02,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:19:02,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:19:02,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:19:02,518 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:19:02,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:19:02,519 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:19:02,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:19:02,519 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:19:02,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:19:02,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:19:02,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:19:02,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:19:02,520 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:19:02,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:19:02,521 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:19:02,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:19:02,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:19:02,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:19:02,522 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:19:02,522 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:19:02,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:19:02,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:19:02,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:19:02,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:19:02,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:19:02,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:19:02,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:19:02,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:19:02,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:19:02,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:19:02,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:19:02,599 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:19:02,600 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:19:02,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test26-1.c [2019-10-02 10:19:02,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d2b7d97/96e4da650783428bb83e9e884405d742/FLAGd30d84c9e [2019-10-02 10:19:03,243 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:19:03,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test26-1.c [2019-10-02 10:19:03,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d2b7d97/96e4da650783428bb83e9e884405d742/FLAGd30d84c9e [2019-10-02 10:19:03,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83d2b7d97/96e4da650783428bb83e9e884405d742 [2019-10-02 10:19:03,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:19:03,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:19:03,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:19:03,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:19:03,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:19:03,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:19:03" (1/1) ... [2019-10-02 10:19:03,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2e6592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:03, skipping insertion in model container [2019-10-02 10:19:03,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:19:03" (1/1) ... [2019-10-02 10:19:03,624 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:19:03,642 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:19:03,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:19:03,883 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:19:03,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:19:04,023 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:19:04,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04 WrapperNode [2019-10-02 10:19:04,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:19:04,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:19:04,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:19:04,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:19:04,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (1/1) ... [2019-10-02 10:19:04,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:19:04,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:19:04,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:19:04,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:19:04,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (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 10:19:04,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:19:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:19:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-10-02 10:19:04,140 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:19:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:19:04,140 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-10-02 10:19:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:19:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:19:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:19:04,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:19:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:19:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 10:19:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:19:04,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:19:04,404 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:19:04,405 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 10:19:04,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:19:04 BoogieIcfgContainer [2019-10-02 10:19:04,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:19:04,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:19:04,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:19:04,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:19:04,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:19:03" (1/3) ... [2019-10-02 10:19:04,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e997a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:19:04, skipping insertion in model container [2019-10-02 10:19:04,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:04" (2/3) ... [2019-10-02 10:19:04,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e997a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:19:04, skipping insertion in model container [2019-10-02 10:19:04,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:19:04" (3/3) ... [2019-10-02 10:19:04,421 INFO L109 eAbstractionObserver]: Analyzing ICFG test26-1.c [2019-10-02 10:19:04,435 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:19:04,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:19:04,514 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:19:04,573 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:19:04,574 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:19:04,574 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:19:04,574 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:19:04,574 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:19:04,574 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:19:04,574 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:19:04,574 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:19:04,575 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:19:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-10-02 10:19:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-02 10:19:04,604 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:19:04,606 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:19:04,609 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:19:04,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:19:04,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1573149608, now seen corresponding path program 1 times [2019-10-02 10:19:04,619 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:19:04,619 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:19:04,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:19:04,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:19:04,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:19:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:19:05,088 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 10:19:05,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:19:05,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-02 10:19:05,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 10:19:05,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 10:19:05,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 10:19:05,121 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-10-02 10:19:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:19:05,331 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-02 10:19:05,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 10:19:05,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-10-02 10:19:05,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:19:05,343 INFO L225 Difference]: With dead ends: 22 [2019-10-02 10:19:05,343 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 10:19:05,348 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-10-02 10:19:05,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 10:19:05,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 10:19:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 10:19:05,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 10:19:05,384 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-02 10:19:05,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:19:05,384 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 10:19:05,385 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 10:19:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 10:19:05,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 10:19:05,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 10:19:05,446 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:19:05,447 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:19:05,447 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:19:05,447 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:19:05,447 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-02 10:19:05,447 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:19:05,448 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:19:05,448 INFO L439 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: (and (= |~#global~0.base| main_~pd~0.base) (= |#memory_int| |old(#memory_int)|) (= main_~pd~0.offset |~#global~0.offset|)) [2019-10-02 10:19:05,448 INFO L443 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-10-02 10:19:05,448 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 12 26) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2019-10-02 10:19:05,449 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 12 26) no Hoare annotation was computed. [2019-10-02 10:19:05,449 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 12 26) no Hoare annotation was computed. [2019-10-02 10:19:05,449 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 24) no Hoare annotation was computed. [2019-10-02 10:19:05,449 INFO L439 ceAbstractionStarter]: At program point L19(lines 13 26) the Hoare annotation is: false [2019-10-02 10:19:05,449 INFO L443 ceAbstractionStarter]: For program point L18(lines 18 20) no Hoare annotation was computed. [2019-10-02 10:19:05,450 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 7 10) no Hoare annotation was computed. [2019-10-02 10:19:05,450 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 7 10) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2019-10-02 10:19:05,450 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 7 10) no Hoare annotation was computed. [2019-10-02 10:19:05,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 10:19:05 BoogieIcfgContainer [2019-10-02 10:19:05,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 10:19:05,464 INFO L168 Benchmark]: Toolchain (without parser) took 1856.43 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.6 MB in the beginning and 114.7 MB in the end (delta: -29.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:05,466 INFO L168 Benchmark]: CDTParser took 0.78 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. [2019-10-02 10:19:05,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.42 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 177.1 MB in the end (delta: -91.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:05,468 INFO L168 Benchmark]: Boogie Preprocessor took 41.24 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 175.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:05,469 INFO L168 Benchmark]: RCFGBuilder took 342.51 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 161.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:05,470 INFO L168 Benchmark]: TraceAbstraction took 1050.53 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 114.7 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:05,475 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 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 416.42 ms. Allocated memory was 138.4 MB in the beginning and 199.2 MB in the end (delta: 60.8 MB). Free memory was 85.4 MB in the beginning and 177.1 MB in the end (delta: -91.7 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.24 ms. Allocated memory is still 199.2 MB. Free memory was 177.1 MB in the beginning and 175.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 342.51 ms. Allocated memory is still 199.2 MB. Free memory was 175.4 MB in the beginning and 161.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1050.53 ms. Allocated memory is still 199.2 MB. Free memory was 161.3 MB in the beginning and 114.7 MB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 24]: 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: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 7 SDslu, 24 SDs, 0 SdLazy, 38 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s 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, 20 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1752 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...