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/test01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:00:55,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:00:55,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:00:55,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:00:55,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:00:55,738 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:00:55,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:00:55,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:00:55,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:00:55,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:00:55,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:00:55,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:00:55,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:00:55,747 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:00:55,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:00:55,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:00:55,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:00:55,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:00:55,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:00:55,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:00:55,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:00:55,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:00:55,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:00:55,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:00:55,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:00:55,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:00:55,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:00:55,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:00:55,770 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 13:00:55,784 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:00:55,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:00:55,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:00:55,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:00:55,785 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:00:55,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:00:55,786 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:00:55,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:00:55,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:00:55,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:00:55,787 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:00:55,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:00:55,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:00:55,787 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:00:55,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:00:55,788 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:00:55,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:00:55,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:00:55,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:00:55,788 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:00:55,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:00:55,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:00:55,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:00:55,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:00:55,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:00:55,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:00:55,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:00:55,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:00:55,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:00:55,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:00:55,837 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:00:55,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:00:55,846 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:00:55,847 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:00:55,847 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test01.c [2019-09-20 13:00:55,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ce08e0d/70676aeac9ec440dbebb3a975c10bba1/FLAG87ceae953 [2019-09-20 13:00:56,427 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:00:56,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test01.c [2019-09-20 13:00:56,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ce08e0d/70676aeac9ec440dbebb3a975c10bba1/FLAG87ceae953 [2019-09-20 13:00:56,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6ce08e0d/70676aeac9ec440dbebb3a975c10bba1 [2019-09-20 13:00:56,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:00:56,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:00:56,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:00:56,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:00:56,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:00:56,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:00:56" (1/1) ... [2019-09-20 13:00:56,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ee166d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:56, skipping insertion in model container [2019-09-20 13:00:56,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:00:56" (1/1) ... [2019-09-20 13:00:56,855 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:00:56,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:00:57,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:00:57,054 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:00:57,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:00:57,085 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:00:57,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57 WrapperNode [2019-09-20 13:00:57,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:00:57,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:00:57,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:00:57,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:00:57,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (1/1) ... [2019-09-20 13:00:57,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:00:57,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:00:57,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:00:57,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:00:57,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (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 13:00:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:00:57,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:00:57,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:00:57,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:00:57,474 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:00:57,474 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:00:57,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:00:57 BoogieIcfgContainer [2019-09-20 13:00:57,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:00:57,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:00:57,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:00:57,480 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:00:57,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:00:56" (1/3) ... [2019-09-20 13:00:57,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c51421e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:00:57, skipping insertion in model container [2019-09-20 13:00:57,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:00:57" (2/3) ... [2019-09-20 13:00:57,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c51421e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:00:57, skipping insertion in model container [2019-09-20 13:00:57,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:00:57" (3/3) ... [2019-09-20 13:00:57,484 INFO L109 eAbstractionObserver]: Analyzing ICFG test01.c [2019-09-20 13:00:57,492 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:00:57,498 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:00:57,513 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:00:57,541 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:00:57,542 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:00:57,542 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:00:57,542 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:00:57,542 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:00:57,542 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:00:57,543 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:00:57,543 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:00:57,543 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:00:57,559 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2019-09-20 13:00:57,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-09-20 13:00:57,563 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:00:57,564 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:00:57,566 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:00:57,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:00:57,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1160017433, now seen corresponding path program 1 times [2019-09-20 13:00:57,573 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:00:57,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:00:57,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:57,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:00:57,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:00:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:00:57,748 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 13:00:57,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:00:57,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:00:57,753 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:00:57,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:00:57,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:57,766 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 3 states. [2019-09-20 13:00:57,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:00:57,792 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2019-09-20 13:00:57,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:00:57,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-09-20 13:00:57,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:00:57,800 INFO L225 Difference]: With dead ends: 17 [2019-09-20 13:00:57,801 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:00:57,804 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:00:57,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:00:57,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:00:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:00:57,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:00:57,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2019-09-20 13:00:57,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:00:57,828 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:00:57,828 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:00:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:00:57,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:00:57,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:00:57,857 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:00:57,858 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:00:57,858 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:00:57,859 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:00:57,859 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 13:00:57,859 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:00:57,859 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:00:57,860 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 4 17) the Hoare annotation is: true [2019-09-20 13:00:57,860 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 4 17) no Hoare annotation was computed. [2019-09-20 13:00:57,860 INFO L439 ceAbstractionStarter]: At program point L10(lines 4 17) the Hoare annotation is: false [2019-09-20 13:00:57,860 INFO L443 ceAbstractionStarter]: For program point L9(lines 9 11) no Hoare annotation was computed. [2019-09-20 13:00:57,860 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 4 17) no Hoare annotation was computed. [2019-09-20 13:00:57,861 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2019-09-20 13:00:57,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:00:57 BoogieIcfgContainer [2019-09-20 13:00:57,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:00:57,872 INFO L168 Benchmark]: Toolchain (without parser) took 1031.57 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 86.8 MB in the beginning and 143.9 MB in the end (delta: -57.1 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:57,874 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:00:57,875 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.69 ms. Allocated memory is still 139.5 MB. Free memory was 86.6 MB in the beginning and 77.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:57,877 INFO L168 Benchmark]: Boogie Preprocessor took 132.12 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 77.4 MB in the beginning and 178.1 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:57,878 INFO L168 Benchmark]: RCFGBuilder took 256.51 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 166.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:57,880 INFO L168 Benchmark]: TraceAbstraction took 392.74 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 143.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:00:57,886 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.69 ms. Allocated memory is still 139.5 MB. Free memory was 86.6 MB in the beginning and 77.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 132.12 ms. Allocated memory was 139.5 MB in the beginning and 200.3 MB in the end (delta: 60.8 MB). Free memory was 77.4 MB in the beginning and 178.1 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.51 ms. Allocated memory is still 200.3 MB. Free memory was 178.1 MB in the beginning and 166.2 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 392.74 ms. Allocated memory is still 200.3 MB. Free memory was 165.6 MB in the beginning and 143.9 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9 SDtfs, 2 SDslu, 7 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 5 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 5 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 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...