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/test18.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:01:03,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:01:03,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:01:03,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:01:03,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:01:03,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:01:03,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:01:03,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:01:03,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:01:03,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:01:03,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:01:03,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:01:03,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:01:03,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:01:03,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:01:03,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:01:03,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:01:03,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:01:03,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:01:03,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:01:03,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:01:03,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:01:03,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:01:03,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:01:03,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:01:03,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:01:03,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:01:03,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:01:03,587 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 13:01:03,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:01:03,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:01:03,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:01:03,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:01:03,604 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:01:03,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:01:03,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:01:03,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:01:03,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:01:03,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:01:03,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:01:03,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:01:03,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:01:03,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:01:03,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:01:03,606 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:01:03,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:01:03,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:01:03,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:01:03,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:01:03,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:01:03,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:01:03,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:01:03,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:01:03,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:01:03,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:01:03,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:01:03,609 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:01:03,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:01:03,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:01:03,649 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:01:03,652 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:01:03,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:01:03,654 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:01:03,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test18.c [2019-09-20 13:01:03,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355e436a5/0e22d2e4ed4c4eb28a9c18c78936ec2d/FLAGc12f29382 [2019-09-20 13:01:04,156 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:01:04,156 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test18.c [2019-09-20 13:01:04,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355e436a5/0e22d2e4ed4c4eb28a9c18c78936ec2d/FLAGc12f29382 [2019-09-20 13:01:04,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/355e436a5/0e22d2e4ed4c4eb28a9c18c78936ec2d [2019-09-20 13:01:04,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:01:04,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:01:04,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:04,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:01:04,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:01:04,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3fac14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04, skipping insertion in model container [2019-09-20 13:01:04,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,563 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:01:04,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:01:04,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:04,756 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:01:04,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:04,792 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:01:04,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04 WrapperNode [2019-09-20 13:01:04,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:04,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:01:04,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:01:04,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:01:04,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,842 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:01:04,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:01:04,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:01:04,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:01:04,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:01:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:01:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:01:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 13:01:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 13:01:04,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:01:04,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:01:04,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:01:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:01:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:01:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:01:05,225 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:01:05,225 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:01:05,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:05 BoogieIcfgContainer [2019-09-20 13:01:05,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:01:05,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:01:05,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:01:05,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:01:05,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:01:04" (1/3) ... [2019-09-20 13:01:05,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4e9d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:01:05, skipping insertion in model container [2019-09-20 13:01:05,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:04" (2/3) ... [2019-09-20 13:01:05,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4e9d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:01:05, skipping insertion in model container [2019-09-20 13:01:05,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:05" (3/3) ... [2019-09-20 13:01:05,236 INFO L109 eAbstractionObserver]: Analyzing ICFG test18.c [2019-09-20 13:01:05,247 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:01:05,257 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:01:05,277 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:01:05,316 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:01:05,317 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:01:05,317 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:01:05,317 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:01:05,317 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:01:05,318 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:01:05,318 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:01:05,318 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:01:05,318 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:01:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2019-09-20 13:01:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-09-20 13:01:05,348 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:01:05,349 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:01:05,352 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:01:05,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:01:05,358 INFO L82 PathProgramCache]: Analyzing trace with hash 731851180, now seen corresponding path program 1 times [2019-09-20 13:01:05,359 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:01:05,360 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:01:05,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:05,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:01:05,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:01:05,737 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 13:01:05,740 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:01:05,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:01:05,745 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:01:05,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:01:05,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:01:05,765 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 9 states. [2019-09-20 13:01:05,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:01:05,991 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2019-09-20 13:01:05,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:01:05,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-09-20 13:01:05,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:01:06,005 INFO L225 Difference]: With dead ends: 27 [2019-09-20 13:01:06,005 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:01:06,013 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:01:06,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:01:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:01:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:01:06,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:01:06,045 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-09-20 13:01:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:01:06,046 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:01:06,046 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:01:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:01:06,047 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:01:06,053 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:01:06,112 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,112 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,112 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,113 INFO L439 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.base|) (= (select (select |#memory_$Pointer$.offset| |f_~#pb.base|) |f_~#pb.offset|) |f_#in~pb.offset|)) [2019-09-20 13:01:06,113 INFO L443 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-09-20 13:01:06,113 INFO L443 ceAbstractionStarter]: For program point fEXIT(lines 8 11) no Hoare annotation was computed. [2019-09-20 13:01:06,113 INFO L439 ceAbstractionStarter]: At program point fENTRY(lines 8 11) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,113 INFO L443 ceAbstractionStarter]: For program point fFINAL(lines 8 11) no Hoare annotation was computed. [2019-09-20 13:01:06,113 INFO L443 ceAbstractionStarter]: For program point gEXIT(lines 4 6) no Hoare annotation was computed. [2019-09-20 13:01:06,114 INFO L443 ceAbstractionStarter]: For program point gFINAL(lines 4 6) no Hoare annotation was computed. [2019-09-20 13:01:06,114 INFO L439 ceAbstractionStarter]: At program point gENTRY(lines 4 6) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,114 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,114 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,114 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,115 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,115 INFO L439 ceAbstractionStarter]: At program point L17(lines 13 24) the Hoare annotation is: false [2019-09-20 13:01:06,115 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-09-20 13:01:06,115 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-09-20 13:01:06,115 INFO L439 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,116 INFO L443 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-09-20 13:01:06,116 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 13 24) the Hoare annotation is: (and (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,116 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 13 24) no Hoare annotation was computed. [2019-09-20 13:01:06,116 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 13 24) no Hoare annotation was computed. [2019-09-20 13:01:06,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:01:06 BoogieIcfgContainer [2019-09-20 13:01:06,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:01:06,127 INFO L168 Benchmark]: Toolchain (without parser) took 1580.44 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 89.3 MB in the beginning and 109.0 MB in the end (delta: -19.6 MB). Peak memory consumption was 46.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,128 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.68 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 79.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,130 INFO L168 Benchmark]: Boogie Preprocessor took 51.57 ms. Allocated memory is still 133.2 MB. Free memory was 79.5 MB in the beginning and 78.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,132 INFO L168 Benchmark]: RCFGBuilder took 382.36 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 77.7 MB in the beginning and 160.9 MB in the end (delta: -83.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,133 INFO L168 Benchmark]: TraceAbstraction took 895.72 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 109.0 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,137 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 133.2 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.68 ms. Allocated memory is still 133.2 MB. Free memory was 89.1 MB in the beginning and 79.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.57 ms. Allocated memory is still 133.2 MB. Free memory was 79.5 MB in the beginning and 78.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 382.36 ms. Allocated memory was 133.2 MB in the beginning and 199.2 MB in the end (delta: 66.1 MB). Free memory was 77.7 MB in the beginning and 160.9 MB in the end (delta: -83.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 895.72 ms. Allocated memory is still 199.2 MB. Free memory was 160.9 MB in the beginning and 109.0 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 22]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 23 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 4 SDslu, 56 SDs, 0 SdLazy, 75 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 47 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 1955 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...