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/loops/for_infinite_loop_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 11:24:01,154 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 11:24:01,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 11:24:01,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 11:24:01,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 11:24:01,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 11:24:01,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 11:24:01,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 11:24:01,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 11:24:01,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 11:24:01,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 11:24:01,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 11:24:01,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 11:24:01,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 11:24:01,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 11:24:01,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 11:24:01,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 11:24:01,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 11:24:01,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 11:24:01,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 11:24:01,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 11:24:01,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 11:24:01,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 11:24:01,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 11:24:01,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-02 11:24:01,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 11:24:01,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 11:24:01,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 11:24:01,229 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 11:24:01,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 11:24:01,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 11:24:01,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 11:24:01,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 11:24:01,244 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 11:24:01,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 11:24:01,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 11:24:01,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 11:24:01,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 11:24:01,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 11:24:01,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 11:24:01,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 11:24:01,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 11:24:01,246 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 11:24:01,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 11:24:01,246 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 11:24:01,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 11:24:01,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 11:24:01,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 11:24:01,247 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 11:24:01,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 11:24:01,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 11:24:01,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 11:24:01,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 11:24:01,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 11:24:01,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 11:24:01,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 11:24:01,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 11:24:01,249 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 11:24:01,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 11:24:01,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 11:24:01,298 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 11:24:01,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 11:24:01,301 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 11:24:01,302 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_infinite_loop_2.c [2019-10-02 11:24:01,371 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910d102f7/cab02b4e36764a8aae6273634b2692c7/FLAG11ce5c493 [2019-10-02 11:24:01,813 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 11:24:01,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_infinite_loop_2.c [2019-10-02 11:24:01,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910d102f7/cab02b4e36764a8aae6273634b2692c7/FLAG11ce5c493 [2019-10-02 11:24:02,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910d102f7/cab02b4e36764a8aae6273634b2692c7 [2019-10-02 11:24:02,243 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 11:24:02,245 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 11:24:02,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 11:24:02,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 11:24:02,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 11:24:02,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db268e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02, skipping insertion in model container [2019-10-02 11:24:02,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,261 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 11:24:02,277 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 11:24:02,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 11:24:02,446 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 11:24:02,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 11:24:02,469 INFO L192 MainTranslator]: Completed translation [2019-10-02 11:24:02,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02 WrapperNode [2019-10-02 11:24:02,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 11:24:02,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 11:24:02,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 11:24:02,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 11:24:02,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... [2019-10-02 11:24:02,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 11:24:02,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 11:24:02,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 11:24:02,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 11:24:02,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 11:24:02,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 11:24:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 11:24:02,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-02 11:24:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 11:24:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 11:24:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 11:24:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-02 11:24:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 11:24:02,646 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 11:24:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 11:24:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 11:24:02,810 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 11:24:02,810 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 11:24:02,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:24:02 BoogieIcfgContainer [2019-10-02 11:24:02,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 11:24:02,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 11:24:02,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 11:24:02,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 11:24:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 11:24:02" (1/3) ... [2019-10-02 11:24:02,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f16eafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:24:02, skipping insertion in model container [2019-10-02 11:24:02,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 11:24:02" (2/3) ... [2019-10-02 11:24:02,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f16eafc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:24:02, skipping insertion in model container [2019-10-02 11:24:02,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:24:02" (3/3) ... [2019-10-02 11:24:02,819 INFO L109 eAbstractionObserver]: Analyzing ICFG for_infinite_loop_2.c [2019-10-02 11:24:02,830 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 11:24:02,837 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 11:24:02,854 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 11:24:02,914 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 11:24:02,915 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 11:24:02,916 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 11:24:02,916 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 11:24:02,916 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 11:24:02,916 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 11:24:02,917 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 11:24:02,917 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 11:24:02,917 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 11:24:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2019-10-02 11:24:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-02 11:24:02,947 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 11:24:02,949 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 11:24:02,952 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 11:24:02,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 11:24:02,964 INFO L82 PathProgramCache]: Analyzing trace with hash -1285605631, now seen corresponding path program 1 times [2019-10-02 11:24:02,966 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 11:24:02,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 11:24:03,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 11:24:03,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 11:24:03,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 11:24:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 11:24:03,175 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 11:24:03,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 11:24:03,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 11:24:03,184 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 11:24:03,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 11:24:03,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 11:24:03,207 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2019-10-02 11:24:03,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 11:24:03,283 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2019-10-02 11:24:03,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 11:24:03,285 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-02 11:24:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 11:24:03,292 INFO L225 Difference]: With dead ends: 31 [2019-10-02 11:24:03,293 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 11:24:03,297 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-02 11:24:03,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 11:24:03,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 11:24:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 11:24:03,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 11:24:03,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-10-02 11:24:03,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 11:24:03,332 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 11:24:03,333 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 11:24:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 11:24:03,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 11:24:03,339 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 11:24:03,383 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2019-10-02 11:24:03,383 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-02 11:24:03,384 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-02 11:24:03,384 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-02 11:24:03,384 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-02 11:24:03,385 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-02 11:24:03,385 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 13 23) the Hoare annotation is: true [2019-10-02 11:24:03,385 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 23) no Hoare annotation was computed. [2019-10-02 11:24:03,386 INFO L439 ceAbstractionStarter]: At program point L20(line 20) the Hoare annotation is: (= main_~x~0 0) [2019-10-02 11:24:03,386 INFO L443 ceAbstractionStarter]: For program point L20-1(lines 18 21) no Hoare annotation was computed. [2019-10-02 11:24:03,388 INFO L443 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-10-02 11:24:03,388 INFO L439 ceAbstractionStarter]: At program point L18-2(lines 18 21) the Hoare annotation is: (= main_~x~0 0) [2019-10-02 11:24:03,389 INFO L439 ceAbstractionStarter]: At program point L18-3(lines 18 21) the Hoare annotation is: false [2019-10-02 11:24:03,389 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 23) no Hoare annotation was computed. [2019-10-02 11:24:03,389 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true [2019-10-02 11:24:03,389 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed. [2019-10-02 11:24:03,389 INFO L443 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-10-02 11:24:03,390 INFO L443 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-10-02 11:24:03,390 INFO L443 ceAbstractionStarter]: For program point L5-2(lines 4 9) no Hoare annotation was computed. [2019-10-02 11:24:03,390 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-10-02 11:24:03,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:24:03 BoogieIcfgContainer [2019-10-02 11:24:03,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-02 11:24:03,418 INFO L168 Benchmark]: Toolchain (without parser) took 1169.98 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 87.0 MB in the beginning and 136.3 MB in the end (delta: -49.3 MB). Peak memory consumption was 17.8 MB. Max. memory is 7.1 GB. [2019-10-02 11:24:03,420 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-02 11:24:03,422 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.67 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-02 11:24:03,425 INFO L168 Benchmark]: Boogie Preprocessor took 110.76 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.5 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-02 11:24:03,426 INFO L168 Benchmark]: RCFGBuilder took 229.88 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 163.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-10-02 11:24:03,427 INFO L168 Benchmark]: TraceAbstraction took 600.20 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 136.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-02 11:24:03,439 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.67 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.76 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.6 MB in the beginning and 175.5 MB in the end (delta: -97.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 229.88 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 163.1 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 600.20 ms. Allocated memory is still 198.7 MB. Free memory was 163.1 MB in the beginning and 136.3 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 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 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: x == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 20 locations, 1 error locations. SAFE Result, 0.4s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 33 SDs, 0 SdLazy, 7 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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, 8 LocationsWithAnnotation, 10 PreInvPairs, 12 NumberOfFragments, 12 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 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...