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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:01:03,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:01:03,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:01:03,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:01:03,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:01:03,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:01:03,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:01:03,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:01:03,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:01:03,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:01:03,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:01:03,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:01:03,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:01:03,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:01:03,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:01:03,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:01:03,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:01:03,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:01:03,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:01:03,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:01:03,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:01:03,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:01:03,981 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:01:03,982 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:01:03,985 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:01:03,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:01:03,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:01:03,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:01:03,996 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 13:01:04,025 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:01:04,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:01:04,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:01:04,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:01:04,027 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:01:04,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:01:04,028 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:01:04,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:01:04,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:01:04,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:01:04,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:01:04,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:01:04,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:01:04,031 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:01:04,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:01:04,031 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:01:04,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:01:04,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:01:04,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:01:04,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:01:04,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:01:04,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:01:04,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:01:04,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:01:04,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:01:04,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:01:04,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:01:04,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:01:04,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:01:04,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:01:04,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:01:04,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:01:04,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:01:04,117 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:01:04,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-09-20 13:01:04,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad4591cc/480ab032dd6141b99cf7c5a347cdc409/FLAG4a8863b44 [2019-09-20 13:01:04,659 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:01:04,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-09-20 13:01:04,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad4591cc/480ab032dd6141b99cf7c5a347cdc409/FLAG4a8863b44 [2019-09-20 13:01:05,032 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ad4591cc/480ab032dd6141b99cf7c5a347cdc409 [2019-09-20 13:01:05,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:01:05,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:01:05,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:05,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:01:05,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:01:05,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e64ccee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05, skipping insertion in model container [2019-09-20 13:01:05,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:01:05" (1/1) ... [2019-09-20 13:01:05,065 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:01:05,081 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:01:05,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:05,273 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:01:05,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:01:05,319 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:01:05,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:01:05 WrapperNode [2019-09-20 13:01:05,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:01:05,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:01:05,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:01:05,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:01:05,422 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 13:01:05,423 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 13:01:05,432 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 13:01:05,433 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 13:01:05,440 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 13:01:05,443 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 13:01:05,444 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 13:01:05,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:01:05,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:01:05,449 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:01:05,449 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:01:05,450 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 13:01:05,511 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 assign [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 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [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 write~int [2019-09-20 13:01:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [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 write~init~$Pointer$ [2019-09-20 13:01:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:01:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:01:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:01:05,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:01:05,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:01:05,753 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:01:05,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:01:05 BoogieIcfgContainer [2019-09-20 13:01:05,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:01:05,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:01:05,756 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:01:05,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:01:05,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:01:05" (1/3) ... [2019-09-20 13:01:05,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408b94db 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 13:01:05,760 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 13:01:05,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408b94db 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 13:01:05,761 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 13:01:05,762 INFO L109 eAbstractionObserver]: Analyzing ICFG test19.c [2019-09-20 13:01:05,772 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:01:05,789 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:01:05,823 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:01:05,867 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:01:05,868 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:01:05,868 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:01:05,869 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:01:05,869 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:01:05,869 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:01:05,869 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:01:05,870 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:01:05,870 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:01:05,889 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-09-20 13:01:05,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-09-20 13:01:05,902 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:01:05,903 INFO L407 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:01:05,905 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:01:05,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:01:05,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1876068538, now seen corresponding path program 1 times [2019-09-20 13:01:05,913 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:01:05,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:01:05,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:05,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:01:05,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:01:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:01:06,315 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 13:01:06,318 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:01:06,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:01:06,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:01:06,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:01:06,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:01:06,343 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 7 states. [2019-09-20 13:01:06,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:01:06,504 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-09-20 13:01:06,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:01:06,506 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2019-09-20 13:01:06,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:01:06,514 INFO L225 Difference]: With dead ends: 22 [2019-09-20 13:01:06,514 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:01:06,518 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:01:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:01:06,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:01:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:01:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:01:06,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-09-20 13:01:06,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:01:06,547 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:01:06,547 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:01:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:01:06,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:01:06,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:01:06,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,614 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,614 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,615 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,615 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,615 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:01:06,615 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:01:06,615 INFO L439 ceAbstractionStarter]: At program point L17(lines 11 24) the Hoare annotation is: false [2019-09-20 13:01:06,615 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-09-20 13:01:06,616 INFO L439 ceAbstractionStarter]: At program point L15(line 15) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.base| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= |main_~#b~0.base| (select (select |#memory_$Pointer$.base| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (= |main_~#b~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (not (= |main_~#b~0.base| |main_~#a~0.base|)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,616 INFO L443 ceAbstractionStarter]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-09-20 13:01:06,616 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 11 24) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,616 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 11 24) no Hoare annotation was computed. [2019-09-20 13:01:06,617 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 11 24) no Hoare annotation was computed. [2019-09-20 13:01:06,617 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 22) no Hoare annotation was computed. [2019-09-20 13:01:06,617 INFO L443 ceAbstractionStarter]: For program point assignEXIT(lines 5 9) no Hoare annotation was computed. [2019-09-20 13:01:06,617 INFO L439 ceAbstractionStarter]: At program point assignENTRY(lines 5 9) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-09-20 13:01:06,617 INFO L443 ceAbstractionStarter]: For program point assignFINAL(lines 5 9) no Hoare annotation was computed. [2019-09-20 13:01:06,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:01:06 BoogieIcfgContainer [2019-09-20 13:01:06,625 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:01:06,628 INFO L168 Benchmark]: Toolchain (without parser) took 1581.80 ms. Allocated memory was 134.7 MB in the beginning and 198.2 MB in the end (delta: 63.4 MB). Free memory was 90.0 MB in the beginning and 106.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,629 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.02 ms. Allocated memory is still 134.7 MB. Free memory was 89.8 MB in the beginning and 80.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,631 INFO L168 Benchmark]: Boogie Preprocessor took 126.91 ms. Allocated memory was 134.7 MB in the beginning and 198.2 MB in the end (delta: 63.4 MB). Free memory was 80.1 MB in the beginning and 174.2 MB in the end (delta: -94.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,632 INFO L168 Benchmark]: RCFGBuilder took 305.70 ms. Allocated memory is still 198.2 MB. Free memory was 174.2 MB in the beginning and 158.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,633 INFO L168 Benchmark]: TraceAbstraction took 869.75 ms. Allocated memory is still 198.2 MB. Free memory was 158.1 MB in the beginning and 106.0 MB in the end (delta: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:01:06,637 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 134.7 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.02 ms. Allocated memory is still 134.7 MB. Free memory was 89.8 MB in the beginning and 80.1 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.91 ms. Allocated memory was 134.7 MB in the beginning and 198.2 MB in the end (delta: 63.4 MB). Free memory was 80.1 MB in the beginning and 174.2 MB in the end (delta: -94.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.70 ms. Allocated memory is still 198.2 MB. Free memory was 174.2 MB in the beginning and 158.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 869.75 ms. Allocated memory is still 198.2 MB. Free memory was 158.1 MB in the beginning and 106.0 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: 11]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 18 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 27 SDs, 0 SdLazy, 41 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 66 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 2028 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...