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/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 10:18:33,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 10:18:33,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 10:18:33,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 10:18:33,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 10:18:33,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 10:18:33,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 10:18:33,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 10:18:33,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 10:18:33,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 10:18:33,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 10:18:33,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 10:18:33,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 10:18:33,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 10:18:33,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 10:18:33,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 10:18:33,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 10:18:33,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 10:18:33,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 10:18:33,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 10:18:33,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 10:18:33,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 10:18:33,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 10:18:33,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 10:18:33,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 10:18:33,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 10:18:33,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 10:18:33,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 10:18:33,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 10:18:33,260 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 10:18:33,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 10:18:33,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 10:18:33,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 10:18:33,265 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 10:18:33,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 10:18:33,265 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 10:18:33,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 10:18:33,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 10:18:33,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 10:18:33,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 10:18:33,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 10:18:33,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 10:18:33,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 10:18:33,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 10:18:33,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 10:18:33,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 10:18:33,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 10:18:33,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 10:18:33,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 10:18:33,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 10:18:33,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:18:33,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 10:18:33,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 10:18:33,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 10:18:33,271 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 10:18:33,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 10:18:33,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 10:18:33,271 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 10:18:33,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 10:18:33,337 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 10:18:33,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 10:18:33,342 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 10:18:33,342 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 10:18:33,343 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2019-10-02 10:18:33,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f041feb/7494e4a30ca5424685791748860e4b2f/FLAG247c4f7df [2019-10-02 10:18:33,801 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 10:18:33,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2019-10-02 10:18:33,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f041feb/7494e4a30ca5424685791748860e4b2f/FLAG247c4f7df [2019-10-02 10:18:34,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f041feb/7494e4a30ca5424685791748860e4b2f [2019-10-02 10:18:34,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 10:18:34,249 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 10:18:34,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 10:18:34,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 10:18:34,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 10:18:34,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5f6572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34, skipping insertion in model container [2019-10-02 10:18:34,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,265 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 10:18:34,282 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 10:18:34,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:18:34,506 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 10:18:34,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 10:18:34,556 INFO L192 MainTranslator]: Completed translation [2019-10-02 10:18:34,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34 WrapperNode [2019-10-02 10:18:34,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 10:18:34,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 10:18:34,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 10:18:34,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 10:18:34,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... [2019-10-02 10:18:34,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 10:18:34,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 10:18:34,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 10:18:34,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 10:18:34,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 10:18:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 10:18:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 10:18:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-10-02 10:18:34,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 10:18:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 10:18:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-10-02 10:18:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 10:18:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 10:18:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 10:18:34,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 10:18:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 10:18:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 10:18:34,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 10:18:34,992 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 10:18:34,993 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 10:18:34,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:18:34 BoogieIcfgContainer [2019-10-02 10:18:34,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 10:18:34,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 10:18:34,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 10:18:35,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 10:18:35,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 10:18:34" (1/3) ... [2019-10-02 10:18:35,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:18:35, skipping insertion in model container [2019-10-02 10:18:35,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 10:18:34" (2/3) ... [2019-10-02 10:18:35,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@737d156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 10:18:35, skipping insertion in model container [2019-10-02 10:18:35,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 10:18:34" (3/3) ... [2019-10-02 10:18:35,003 INFO L109 eAbstractionObserver]: Analyzing ICFG test03.c [2019-10-02 10:18:35,015 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 10:18:35,024 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 10:18:35,057 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 10:18:35,089 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 10:18:35,090 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 10:18:35,090 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 10:18:35,090 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 10:18:35,090 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 10:18:35,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 10:18:35,091 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 10:18:35,091 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 10:18:35,091 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 10:18:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-10-02 10:18:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-02 10:18:35,110 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 10:18:35,110 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 10:18:35,112 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 10:18:35,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 10:18:35,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1498735640, now seen corresponding path program 1 times [2019-10-02 10:18:35,120 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 10:18:35,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 10:18:35,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:18:35,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 10:18:35,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 10:18:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 10:18:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-02 10:18:35,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 10:18:35,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-02 10:18:35,379 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 10:18:35,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 10:18:35,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 10:18:35,391 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states. [2019-10-02 10:18:35,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 10:18:35,485 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-10-02 10:18:35,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 10:18:35,489 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-10-02 10:18:35,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 10:18:35,496 INFO L225 Difference]: With dead ends: 22 [2019-10-02 10:18:35,496 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 10:18:35,502 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-02 10:18:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 10:18:35,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 10:18:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 10:18:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 10:18:35,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-10-02 10:18:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 10:18:35,528 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 10:18:35,528 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 10:18:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 10:18:35,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 10:18:35,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 10:18:35,553 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:18:35,554 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:18:35,554 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:18:35,554 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 4 6) no Hoare annotation was computed. [2019-10-02 10:18:35,554 INFO L446 ceAbstractionStarter]: At program point fENTRY(lines 4 6) the Hoare annotation is: true [2019-10-02 10:18:35,554 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 4 6) no Hoare annotation was computed. [2019-10-02 10:18:35,555 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 10:18:35,555 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-02 10:18:35,555 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 10:18:35,555 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 10:18:35,555 INFO L443 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2019-10-02 10:18:35,556 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 10 28) the Hoare annotation is: true [2019-10-02 10:18:35,556 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 10 28) no Hoare annotation was computed. [2019-10-02 10:18:35,556 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 10 28) no Hoare annotation was computed. [2019-10-02 10:18:35,557 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2019-10-02 10:18:35,557 INFO L439 ceAbstractionStarter]: At program point L21(lines 10 28) the Hoare annotation is: false [2019-10-02 10:18:35,557 INFO L443 ceAbstractionStarter]: For program point L20(lines 20 22) no Hoare annotation was computed. [2019-10-02 10:18:35,557 INFO L439 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: (not (= main_~p1~0.base main_~p2~0.base)) [2019-10-02 10:18:35,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 10:18:35 BoogieIcfgContainer [2019-10-02 10:18:35,566 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 10:18:35,571 INFO L168 Benchmark]: Toolchain (without parser) took 1318.62 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 84.2 MB in the beginning and 129.8 MB in the end (delta: -45.6 MB). Peak memory consumption was 15.2 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:35,572 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-02 10:18:35,575 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.46 ms. Allocated memory is still 136.3 MB. Free memory was 84.0 MB in the beginning and 74.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:35,578 INFO L168 Benchmark]: Boogie Preprocessor took 125.35 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 74.4 MB in the beginning and 174.8 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:35,579 INFO L168 Benchmark]: RCFGBuilder took 311.40 ms. Allocated memory is still 197.1 MB. Free memory was 174.8 MB in the beginning and 161.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:35,580 INFO L168 Benchmark]: TraceAbstraction took 570.12 ms. Allocated memory is still 197.1 MB. Free memory was 161.0 MB in the beginning and 129.8 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-10-02 10:18:35,594 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 136.3 MB. Free memory was 102.4 MB in the beginning and 102.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 307.46 ms. Allocated memory is still 136.3 MB. Free memory was 84.0 MB in the beginning and 74.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.35 ms. Allocated memory was 136.3 MB in the beginning and 197.1 MB in the end (delta: 60.8 MB). Free memory was 74.4 MB in the beginning and 174.8 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.40 ms. Allocated memory is still 197.1 MB. Free memory was 174.8 MB in the beginning and 161.0 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 570.12 ms. Allocated memory is still 197.1 MB. Free memory was 161.0 MB in the beginning and 129.8 MB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: 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: 10]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 1 SDslu, 43 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 10 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 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...