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/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:01:03,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:01:04,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:01:04,011 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:01:04,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:01:04,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:01:04,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:01:04,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:01:04,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:01:04,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:01:04,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:01:04,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:01:04,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:01:04,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:01:04,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:01:04,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:01:04,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:01:04,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:01:04,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:01:04,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:01:04,062 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 13:01:04,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:01:04,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:01:04,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:01:04,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:01:04,079 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:01:04,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:01:04,079 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:01:04,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:01:04,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:01:04,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:01:04,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:01:04,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:01:04,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:01:04,081 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:01:04,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:01:04,081 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:01:04,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:01:04,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:01:04,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:01:04,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:01:04,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:01:04,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:01:04,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:01:04,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:01:04,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:01:04,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:01:04,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:01:04,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:01:04,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:01:04,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:01:04,124 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:01:04,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:01:04,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:01:04,129 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:01:04,130 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-20 13:01:04,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d9db60c/c31b69259467452e9827521237ac82a2/FLAGcfa6ea586 [2019-09-20 13:01:04,584 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:01:04,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-09-20 13:01:04,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d9db60c/c31b69259467452e9827521237ac82a2/FLAGcfa6ea586 [2019-09-20 13:01:04,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26d9db60c/c31b69259467452e9827521237ac82a2 [2019-09-20 13:01:04,974 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:01:04,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:01:04,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:04,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:01:04,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:01:04,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110bff7b 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 13:01:04,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:04" (1/1) ... [2019-09-20 13:01:04,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:01:05,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:01:05,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:05,263 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:01:05,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:05,310 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:01:05,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05 WrapperNode [2019-09-20 13:01:05,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:05,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:01:05,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:01:05,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:01:05,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:01:05,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:01:05,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:01:05,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:01:05,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (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 13:01:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:01:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:01:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 13:01:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-20 13:01:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 13:01:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:01:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:01:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:01:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-20 13:01:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 13:01:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:01:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:01:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:01:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:01:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:01:05,835 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:01:05,835 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:01:05,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:05 BoogieIcfgContainer [2019-09-20 13:01:05,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:01:05,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:01:05,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:01:05,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:01:05,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:01:04" (1/3) ... [2019-09-20 13:01:05,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b0c309 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 13:01:05,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05" (2/3) ... [2019-09-20 13:01:05,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b0c309 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 13:01:05,853 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 13:01:05,855 INFO L109 eAbstractionObserver]: Analyzing ICFG test21-1.c [2019-09-20 13:01:05,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:01:05,881 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:01:05,905 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:01:05,933 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:01:05,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:01:05,934 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:01:05,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:01:05,934 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:01:05,934 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:01:05,935 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:01:05,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:01:05,935 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:01:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2019-09-20 13:01:05,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-09-20 13:01:05,956 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:01:05,957 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:01:05,959 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:01:05,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:01:05,966 INFO L82 PathProgramCache]: Analyzing trace with hash -1351082661, now seen corresponding path program 1 times [2019-09-20 13:01:05,968 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:01:05,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:01:06,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:06,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:01:06,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:01:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-09-20 13:01:06,413 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:01:06,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:01:06,417 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:01:06,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:01:06,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:01:06,435 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 10 states. [2019-09-20 13:01:06,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:01:06,731 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2019-09-20 13:01:06,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:01:06,733 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2019-09-20 13:01:06,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:01:06,743 INFO L225 Difference]: With dead ends: 56 [2019-09-20 13:01:06,743 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:01:06,753 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:01:06,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:01:06,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:01:06,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:01:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:01:06,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 29 [2019-09-20 13:01:06,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:01:06,784 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:01:06,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:01:06,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:01:06,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:01:06,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:01:06,845 INFO L443 ceAbstractionStarter]: For program point initEXIT(lines 11 18) no Hoare annotation was computed. [2019-09-20 13:01:06,845 INFO L446 ceAbstractionStarter]: At program point initENTRY(lines 11 18) the Hoare annotation is: true [2019-09-20 13:01:06,845 INFO L443 ceAbstractionStarter]: For program point initFINAL(lines 11 18) no Hoare annotation was computed. [2019-09-20 13:01:06,846 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,846 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,846 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,846 INFO L443 ceAbstractionStarter]: For program point get_dummyFINAL(lines 20 23) no Hoare annotation was computed. [2019-09-20 13:01:06,847 INFO L446 ceAbstractionStarter]: At program point get_dummyENTRY(lines 20 23) the Hoare annotation is: true [2019-09-20 13:01:06,847 INFO L443 ceAbstractionStarter]: For program point L22-1(line 22) no Hoare annotation was computed. [2019-09-20 13:01:06,847 INFO L443 ceAbstractionStarter]: For program point get_dummyEXIT(lines 20 23) no Hoare annotation was computed. [2019-09-20 13:01:06,847 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,848 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,848 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,848 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,848 INFO L443 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2019-09-20 13:01:06,849 INFO L443 ceAbstractionStarter]: For program point L35-2(lines 35 37) no Hoare annotation was computed. [2019-09-20 13:01:06,849 INFO L446 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: true [2019-09-20 13:01:06,849 INFO L446 ceAbstractionStarter]: At program point L33-1(line 33) the Hoare annotation is: true [2019-09-20 13:01:06,849 INFO L443 ceAbstractionStarter]: For program point L34-2(lines 34 38) no Hoare annotation was computed. [2019-09-20 13:01:06,849 INFO L443 ceAbstractionStarter]: For program point L33-2(line 33) no Hoare annotation was computed. [2019-09-20 13:01:06,850 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 30 44) the Hoare annotation is: true [2019-09-20 13:01:06,850 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 30 44) no Hoare annotation was computed. [2019-09-20 13:01:06,851 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 30 44) no Hoare annotation was computed. [2019-09-20 13:01:06,851 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 42) no Hoare annotation was computed. [2019-09-20 13:01:06,851 INFO L439 ceAbstractionStarter]: At program point L36(lines 31 44) the Hoare annotation is: false [2019-09-20 13:01:06,851 INFO L439 ceAbstractionStarter]: At program point L35(line 35) the Hoare annotation is: (and (= main_~pd2~0.offset main_~pd1~0.offset) (= main_~pd2~0.base main_~pd1~0.base)) [2019-09-20 13:01:06,852 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 38) no Hoare annotation was computed. [2019-09-20 13:01:06,852 INFO L443 ceAbstractionStarter]: For program point L35-1(line 35) no Hoare annotation was computed. [2019-09-20 13:01:06,852 INFO L446 ceAbstractionStarter]: At program point checkENTRY(lines 25 28) the Hoare annotation is: true [2019-09-20 13:01:06,852 INFO L443 ceAbstractionStarter]: For program point checkFINAL(lines 25 28) no Hoare annotation was computed. [2019-09-20 13:01:06,852 INFO L443 ceAbstractionStarter]: For program point checkEXIT(lines 25 28) no Hoare annotation was computed. [2019-09-20 13:01:06,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:01:06 BoogieIcfgContainer [2019-09-20 13:01:06,861 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:01:06,864 INFO L168 Benchmark]: Toolchain (without parser) took 1887.17 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 86.2 MB in the beginning and 90.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 62.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,865 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.63 ms. Allocated memory is still 130.5 MB. Free memory was 86.0 MB in the beginning and 75.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,867 INFO L168 Benchmark]: Boogie Preprocessor took 145.33 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 75.8 MB in the beginning and 173.2 MB in the end (delta: -97.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,868 INFO L168 Benchmark]: RCFGBuilder took 379.70 ms. Allocated memory is still 197.7 MB. Free memory was 173.2 MB in the beginning and 157.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,869 INFO L168 Benchmark]: TraceAbstraction took 1022.67 ms. Allocated memory is still 197.7 MB. Free memory was 156.5 MB in the beginning and 90.8 MB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,873 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 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 334.63 ms. Allocated memory is still 130.5 MB. Free memory was 86.0 MB in the beginning and 75.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 145.33 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 75.8 MB in the beginning and 173.2 MB in the end (delta: -97.4 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.70 ms. Allocated memory is still 197.7 MB. Free memory was 173.2 MB in the beginning and 157.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1022.67 ms. Allocated memory is still 197.7 MB. Free memory was 156.5 MB in the beginning and 90.8 MB in the end (delta: 65.7 MB). Peak memory consumption was 65.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 42]: 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: 31]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 31 locations, 1 error locations. SAFE Result, 0.9s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 17 SDslu, 153 SDs, 0 SdLazy, 114 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred 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, 11 LocationsWithAnnotation, 14 PreInvPairs, 16 NumberOfFragments, 17 HoareAnnotationTreeSize, 14 FomulaSimplifications, 14 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 3360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...