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/test_union.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:19:26,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:19:26,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:19:26,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:19:26,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:19:26,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:19:26,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:19:26,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:19:26,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:19:26,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:19:26,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:19:26,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:19:26,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:19:26,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:19:26,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:19:26,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:19:26,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:19:26,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:19:26,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:19:26,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:19:26,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:19:26,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:19:26,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:19:26,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:19:26,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 10:19:26,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:19:26,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:19:26,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:19:26,226 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 10:19:26,241 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:19:26,241 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:19:26,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:19:26,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:19:26,243 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:19:26,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:19:26,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:19:26,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:19:26,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:19:26,244 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:19:26,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:19:26,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:19:26,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:19:26,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:19:26,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:19:26,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:19:26,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:19:26,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:19:26,246 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:19:26,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:19:26,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:19:26,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:19:26,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:19:26,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:19:26,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:19:26,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:19:26,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:19:26,248 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:19:26,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:19:26,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:19:26,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:19:26,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:19:26,296 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:19:26,296 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:19:26,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2019-10-02 10:19:26,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2e2553f/9693b3ce96e14549885ac923ce8668ba/FLAG173289208 [2019-10-02 10:19:26,795 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:19:26,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test_union.c_1.i [2019-10-02 10:19:26,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2e2553f/9693b3ce96e14549885ac923ce8668ba/FLAG173289208 [2019-10-02 10:19:27,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2e2553f/9693b3ce96e14549885ac923ce8668ba [2019-10-02 10:19:27,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:19:27,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:19:27,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:19:27,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:19:27,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:19:27,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f69be82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27, skipping insertion in model container [2019-10-02 10:19:27,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:19:27,252 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:19:27,423 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:19:27,427 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:19:27,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:19:27,482 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:19:27,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27 WrapperNode [2019-10-02 10:19:27,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:19:27,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:19:27,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:19:27,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:19:27,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (1/1) ... [2019-10-02 10:19:27,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:19:27,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:19:27,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:19:27,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:19:27,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (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 10:19:27,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:19:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:19:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-10-02 10:19:27,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:19:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:19:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-10-02 10:19:27,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:19:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:19:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:19:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:19:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:19:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:19:27,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:19:27,832 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:19:27,833 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 10:19:27,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:19:27 BoogieIcfgContainer [2019-10-02 10:19:27,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:19:27,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:19:27,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:19:27,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:19:27,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:19:27" (1/3) ... [2019-10-02 10:19:27,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a19e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:19:27, skipping insertion in model container [2019-10-02 10:19:27,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:19:27" (2/3) ... [2019-10-02 10:19:27,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a19e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:19:27, skipping insertion in model container [2019-10-02 10:19:27,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:19:27" (3/3) ... [2019-10-02 10:19:27,843 INFO L109 eAbstractionObserver]: Analyzing ICFG test_union.c_1.i [2019-10-02 10:19:27,853 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:19:27,860 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:19:27,877 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:19:27,908 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:19:27,909 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:19:27,909 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:19:27,909 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:19:27,909 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:19:27,910 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:19:27,910 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:19:27,910 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:19:27,910 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:19:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-10-02 10:19:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-02 10:19:27,931 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:19:27,932 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:19:27,935 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:19:27,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:19:27,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1215743292, now seen corresponding path program 1 times [2019-10-02 10:19:27,941 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:19:27,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:19:27,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:19:27,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:19:27,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:19:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:19:28,107 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 10:19:28,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:19:28,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 10:19:28,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 10:19:28,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 10:19:28,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 10:19:28,125 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2019-10-02 10:19:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:19:28,149 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-02 10:19:28,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 10:19:28,153 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-02 10:19:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:19:28,161 INFO L225 Difference]: With dead ends: 22 [2019-10-02 10:19:28,161 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 10:19:28,165 INFO L640 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 [2019-10-02 10:19:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 10:19:28,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 10:19:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 10:19:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 10:19:28,195 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2019-10-02 10:19:28,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:19:28,196 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 10:19:28,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 10:19:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 10:19:28,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 10:19:28,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 10:19:28,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:19:28,235 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:19:28,235 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:19:28,236 INFO L443 ceAbstractionStarter]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-10-02 10:19:28,236 INFO L443 ceAbstractionStarter]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2019-10-02 10:19:28,236 INFO L443 ceAbstractionStarter]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2019-10-02 10:19:28,237 INFO L446 ceAbstractionStarter]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2019-10-02 10:19:28,237 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:19:28,237 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-02 10:19:28,238 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:19:28,238 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:19:28,238 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 23 31) the Hoare annotation is: true [2019-10-02 10:19:28,238 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 23 31) no Hoare annotation was computed. [2019-10-02 10:19:28,239 INFO L443 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2019-10-02 10:19:28,239 INFO L439 ceAbstractionStarter]: At program point L27-2(line 27) the Hoare annotation is: false [2019-10-02 10:19:28,239 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 23 31) no Hoare annotation was computed. [2019-10-02 10:19:28,239 INFO L443 ceAbstractionStarter]: For program point L27-3(line 27) no Hoare annotation was computed. [2019-10-02 10:19:28,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 10:19:28 BoogieIcfgContainer [2019-10-02 10:19:28,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 10:19:28,248 INFO L168 Benchmark]: Toolchain (without parser) took 1028.70 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 84.8 MB in the beginning and 140.1 MB in the end (delta: -55.2 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:28,250 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 135.8 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 10:19:28,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.84 ms. Allocated memory is still 135.8 MB. Free memory was 84.6 MB in the beginning and 75.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:28,255 INFO L168 Benchmark]: Boogie Preprocessor took 121.31 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 75.2 MB in the beginning and 174.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:28,256 INFO L168 Benchmark]: RCFGBuilder took 228.69 ms. Allocated memory is still 197.1 MB. Free memory was 174.9 MB in the beginning and 162.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:28,261 INFO L168 Benchmark]: TraceAbstraction took 409.06 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 140.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-10-02 10:19:28,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 135.8 MB. Free memory was 103.5 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 264.84 ms. Allocated memory is still 135.8 MB. Free memory was 84.6 MB in the beginning and 75.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.31 ms. Allocated memory was 135.8 MB in the beginning and 197.1 MB in the end (delta: 61.3 MB). Free memory was 75.2 MB in the beginning and 174.9 MB in the end (delta: -99.7 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 228.69 ms. Allocated memory is still 197.1 MB. Free memory was 174.9 MB in the beginning and 162.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 409.06 ms. Allocated memory is still 197.1 MB. Free memory was 162.2 MB in the beginning and 140.1 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 17 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 1 SDslu, 8 SDs, 0 SdLazy, 2 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=17occurred 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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...