java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-20 22:22:41,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-20 22:22:41,937 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-20 22:22:41,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-20 22:22:41,950 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-20 22:22:41,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-20 22:22:41,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-20 22:22:41,954 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-20 22:22:41,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-20 22:22:41,957 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-20 22:22:41,957 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-20 22:22:41,958 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-20 22:22:41,959 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-20 22:22:41,960 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-20 22:22:41,960 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-20 22:22:41,963 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-20 22:22:41,965 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-20 22:22:41,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-20 22:22:41,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-20 22:22:41,969 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-20 22:22:41,971 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-20 22:22:41,976 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-20 22:22:41,985 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-20 22:22:41,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-20 22:22:41,986 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-20 22:22:41,987 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-20 22:22:41,987 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-20 22:22:41,987 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-20 22:22:41,987 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-20 22:22:41,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-20 22:22:41,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-20 22:22:41,988 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-20 22:22:41,988 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-20 22:22:41,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-20 22:22:41,989 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-20 22:22:41,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-20 22:22:41,989 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-20 22:22:41,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-20 22:22:41,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-20 22:22:41,990 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-20 22:22:41,990 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-20 22:22:41,990 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-20 22:22:41,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-20 22:22:41,990 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-20 22:22:41,991 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-20 22:22:41,991 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-20 22:22:41,991 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-20 22:22:41,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-20 22:22:41,991 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-20 22:22:41,992 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-20 22:22:41,992 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-20 22:22:41,992 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-20 22:22:41,992 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-20 22:22:41,992 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-20 22:22:41,993 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-20 22:22:41,993 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-20 22:22:41,993 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-20 22:22:41,994 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-20 22:22:41,994 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-20 22:22:42,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-20 22:22:42,039 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-20 22:22:42,042 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-20 22:22:42,043 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-20 22:22:42,043 INFO L276 PluginConnector]: CDTParser initialized [2018-01-20 22:22:42,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i [2018-01-20 22:22:42,218 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-20 22:22:42,223 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-20 22:22:42,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-20 22:22:42,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-20 22:22:42,228 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-20 22:22:42,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cf31ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42, skipping insertion in model container [2018-01-20 22:22:42,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,251 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:22:42,299 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-20 22:22:42,408 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:22:42,420 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-20 22:22:42,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42 WrapperNode [2018-01-20 22:22:42,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-20 22:22:42,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-20 22:22:42,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-20 22:22:42,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-20 22:22:42,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... [2018-01-20 22:22:42,463 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-20 22:22:42,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-20 22:22:42,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-20 22:22:42,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-20 22:22:42,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (1/1) ... No working directory specified, using /storage/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 [2018-01-20 22:22:42,510 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-20 22:22:42,510 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-20 22:22:42,510 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-20 22:22:42,510 INFO L136 BoogieDeclarations]: Found implementation of procedure h5 [2018-01-20 22:22:42,511 INFO L136 BoogieDeclarations]: Found implementation of procedure g5 [2018-01-20 22:22:42,511 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-20 22:22:42,511 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-20 22:22:42,511 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-20 22:22:42,511 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-20 22:22:42,511 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure h5 [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure g5 [2018-01-20 22:22:42,512 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-20 22:22:42,513 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-20 22:22:42,513 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-20 22:22:42,513 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-20 22:22:42,678 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-20 22:22:42,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:22:42 BoogieIcfgContainer [2018-01-20 22:22:42,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-20 22:22:42,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-20 22:22:42,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-20 22:22:42,682 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-20 22:22:42,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 10:22:42" (1/3) ... [2018-01-20 22:22:42,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d7f08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:22:42, skipping insertion in model container [2018-01-20 22:22:42,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 10:22:42" (2/3) ... [2018-01-20 22:22:42,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75d7f08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 10:22:42, skipping insertion in model container [2018-01-20 22:22:42,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 10:22:42" (3/3) ... [2018-01-20 22:22:42,687 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test5_true-valid-memsafety_true-termination.i [2018-01-20 22:22:42,695 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-20 22:22:42,701 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-01-20 22:22:42,736 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:42,736 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:42,736 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:42,736 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:42,736 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:42,737 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:42,737 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:42,737 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-20 22:22:42,737 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-20 22:22:42,765 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:42,766 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:42,767 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-20 22:22:42,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1245989314, now seen corresponding path program 1 times [2018-01-20 22:22:42,773 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:42,773 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:42,819 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:42,819 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:42,819 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:42,870 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:42,936 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:42,937 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:22:42,938 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:22:42,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:22:42,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:42,952 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-01-20 22:22:43,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:43,133 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-01-20 22:22:43,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:22:43,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-01-20 22:22:43,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:43,146 INFO L225 Difference]: With dead ends: 41 [2018-01-20 22:22:43,146 INFO L226 Difference]: Without dead ends: 14 [2018-01-20 22:22:43,149 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-01-20 22:22:43,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-01-20 22:22:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-01-20 22:22:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 13 transitions. [2018-01-20 22:22:43,176 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 13 transitions. Word has length 11 [2018-01-20 22:22:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:43,177 INFO L432 AbstractCegarLoop]: Abstraction has 14 states and 13 transitions. [2018-01-20 22:22:43,177 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:22:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2018-01-20 22:22:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-20 22:22:43,178 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,178 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,178 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-20 22:22:43,178 INFO L82 PathProgramCache]: Analyzing trace with hash 900052320, now seen corresponding path program 1 times [2018-01-20 22:22:43,179 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,179 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,181 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,181 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,181 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:22:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:22:43,243 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:22:43,251 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,253 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,263 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:43,264 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:43,264 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:43,264 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:43,264 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:43,264 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:43,264 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:43,264 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-20 22:22:43,264 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-20 22:22:43,266 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,266 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-20 22:22:43,266 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-20 22:22:43,266 INFO L82 PathProgramCache]: Analyzing trace with hash 70987, now seen corresponding path program 1 times [2018-01-20 22:22:43,266 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,267 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,268 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,268 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,268 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:22:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:22:43,278 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:22:43,279 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,281 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:43,281 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:43,281 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:43,281 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:43,281 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:43,282 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:43,282 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:43,282 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-20 22:22:43,282 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-20 22:22:43,284 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,284 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,284 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-20 22:22:43,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2050599687, now seen corresponding path program 1 times [2018-01-20 22:22:43,284 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,285 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,286 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,286 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:22:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-20 22:22:43,324 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-20 22:22:43,327 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,328 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,328 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,329 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,330 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,330 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,330 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-20 22:22:43,334 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:43,334 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:43,335 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:43,335 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:43,335 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:43,335 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:43,335 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:43,335 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-20 22:22:43,335 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:43,337 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-20 22:22:43,338 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,338 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,339 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-20 22:22:43,339 INFO L82 PathProgramCache]: Analyzing trace with hash -104927001, now seen corresponding path program 1 times [2018-01-20 22:22:43,339 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,339 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,341 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,341 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,341 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:43,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:43,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:43,417 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:43,417 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:22:43,417 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:22:43,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:22:43,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,418 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-01-20 22:22:43,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:43,477 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-01-20 22:22:43,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:22:43,477 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-01-20 22:22:43,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:43,478 INFO L225 Difference]: With dead ends: 41 [2018-01-20 22:22:43,478 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:22:43,479 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:22:43,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:22:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:22:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:22:43,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-01-20 22:22:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:43,480 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:22:43,480 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:22:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:22:43,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:22:43,482 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:43,482 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:43,482 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:43,482 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:43,482 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:43,483 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:43,483 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:43,483 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == h5Err0EnsuresViolation======== [2018-01-20 22:22:43,483 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-01-20 22:22:43,484 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,484 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,484 INFO L371 AbstractCegarLoop]: === Iteration 1 === [h5Err0EnsuresViolation]=== [2018-01-20 22:22:43,485 INFO L82 PathProgramCache]: Analyzing trace with hash 2134695694, now seen corresponding path program 1 times [2018-01-20 22:22:43,485 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,485 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,487 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,487 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,487 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:43,497 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:43,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:43,528 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:43,528 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:22:43,529 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:22:43,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:22:43,529 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,529 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-01-20 22:22:43,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:43,590 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-01-20 22:22:43,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:22:43,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-01-20 22:22:43,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:43,591 INFO L225 Difference]: With dead ends: 41 [2018-01-20 22:22:43,591 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:22:43,591 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:22:43,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:22:43,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:22:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:22:43,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2018-01-20 22:22:43,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:43,592 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:22:43,592 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:22:43,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:22:43,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:22:43,594 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:43,594 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:43,595 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:43,595 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:43,595 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:43,595 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:43,595 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:43,595 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-20 22:22:43,595 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:43,597 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:43,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-20 22:22:43,598 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,598 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,598 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-20 22:22:43,598 INFO L82 PathProgramCache]: Analyzing trace with hash 312739629, now seen corresponding path program 1 times [2018-01-20 22:22:43,598 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,599 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,600 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,600 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,601 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:43,612 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:43,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:43,642 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:43,642 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:22:43,642 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:22:43,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:22:43,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,643 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-01-20 22:22:43,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:43,681 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-01-20 22:22:43,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:22:43,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-01-20 22:22:43,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:43,682 INFO L225 Difference]: With dead ends: 41 [2018-01-20 22:22:43,682 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:22:43,683 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:22:43,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:22:43,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:22:43,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:22:43,684 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-01-20 22:22:43,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:43,684 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:22:43,684 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:22:43,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:22:43,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:22:43,686 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-20 22:22:43,686 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-20 22:22:43,686 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-20 22:22:43,686 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-20 22:22:43,686 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-20 22:22:43,686 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-20 22:22:43,686 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-20 22:22:43,686 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == g5Err0EnsuresViolation======== [2018-01-20 22:22:43,687 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-20 22:22:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-01-20 22:22:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-20 22:22:43,689 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,689 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,689 INFO L371 AbstractCegarLoop]: === Iteration 1 === [g5Err0EnsuresViolation]=== [2018-01-20 22:22:43,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1313639590, now seen corresponding path program 1 times [2018-01-20 22:22:43,690 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,690 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,691 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,691 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:43,701 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:43,734 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:43,735 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-20 22:22:43,735 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-20 22:22:43,735 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-20 22:22:43,735 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,736 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2018-01-20 22:22:43,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:43,788 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-01-20 22:22:43,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-20 22:22:43,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-01-20 22:22:43,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:43,789 INFO L225 Difference]: With dead ends: 41 [2018-01-20 22:22:43,789 INFO L226 Difference]: Without dead ends: 25 [2018-01-20 22:22:43,789 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-20 22:22:43,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-01-20 22:22:43,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2018-01-20 22:22:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-01-20 22:22:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-01-20 22:22:43,793 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 20 [2018-01-20 22:22:43,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:43,793 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-01-20 22:22:43,793 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-20 22:22:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-01-20 22:22:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-20 22:22:43,794 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:43,794 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:43,794 INFO L371 AbstractCegarLoop]: === Iteration 2 === [g5Err0EnsuresViolation]=== [2018-01-20 22:22:43,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2068124648, now seen corresponding path program 1 times [2018-01-20 22:22:43,795 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:43,795 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:43,796 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,796 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:43,796 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:43,805 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:43,963 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:43,963 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-20 22:22:43,963 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-20 22:22:43,964 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-20 22:22:43,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-20 22:22:43,964 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 9 states. [2018-01-20 22:22:44,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:44,027 INFO L93 Difference]: Finished difference Result 36 states and 35 transitions. [2018-01-20 22:22:44,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-20 22:22:44,027 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-01-20 22:22:44,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:44,028 INFO L225 Difference]: With dead ends: 36 [2018-01-20 22:22:44,028 INFO L226 Difference]: Without dead ends: 24 [2018-01-20 22:22:44,029 INFO L525 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 [2018-01-20 22:22:44,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-01-20 22:22:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-01-20 22:22:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-01-20 22:22:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2018-01-20 22:22:44,034 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 21 [2018-01-20 22:22:44,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:44,034 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2018-01-20 22:22:44,034 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-20 22:22:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2018-01-20 22:22:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-20 22:22:44,035 INFO L314 BasicCegarLoop]: Found error trace [2018-01-20 22:22:44,036 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-20 22:22:44,036 INFO L371 AbstractCegarLoop]: === Iteration 3 === [g5Err0EnsuresViolation]=== [2018-01-20 22:22:44,036 INFO L82 PathProgramCache]: Analyzing trace with hash -1982732102, now seen corresponding path program 1 times [2018-01-20 22:22:44,036 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-20 22:22:44,036 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-20 22:22:44,038 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:44,038 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-20 22:22:44,038 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-20 22:22:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-20 22:22:44,050 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-20 22:22:44,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-20 22:22:44,083 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-20 22:22:44,083 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-20 22:22:44,084 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-20 22:22:44,084 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-20 22:22:44,084 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 22:22:44,084 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 4 states. [2018-01-20 22:22:44,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-20 22:22:44,113 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-01-20 22:22:44,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-20 22:22:44,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2018-01-20 22:22:44,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-20 22:22:44,114 INFO L225 Difference]: With dead ends: 24 [2018-01-20 22:22:44,114 INFO L226 Difference]: Without dead ends: 0 [2018-01-20 22:22:44,115 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-20 22:22:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-20 22:22:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-20 22:22:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-20 22:22:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-20 22:22:44,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-20 22:22:44,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-20 22:22:44,116 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-20 22:22:44,116 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-20 22:22:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-20 22:22:44,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-20 22:22:44,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 10:22:44 BoogieIcfgContainer [2018-01-20 22:22:44,120 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-20 22:22:44,121 INFO L168 Benchmark]: Toolchain (without parser) took 1902.50 ms. Allocated memory was 306.7 MB in the beginning and 470.3 MB in the end (delta: 163.6 MB). Free memory was 265.6 MB in the beginning and 338.3 MB in the end (delta: -72.7 MB). Peak memory consumption was 90.9 MB. Max. memory is 5.3 GB. [2018-01-20 22:22:44,122 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:22:44,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.12 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 251.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:22:44,123 INFO L168 Benchmark]: Boogie Preprocessor took 34.93 ms. Allocated memory is still 306.7 MB. Free memory is still 251.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-20 22:22:44,123 INFO L168 Benchmark]: RCFGBuilder took 216.02 ms. Allocated memory is still 306.7 MB. Free memory was 251.7 MB in the beginning and 236.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 5.3 GB. [2018-01-20 22:22:44,123 INFO L168 Benchmark]: TraceAbstraction took 1440.26 ms. Allocated memory was 306.7 MB in the beginning and 470.3 MB in the end (delta: 163.6 MB). Free memory was 234.7 MB in the beginning and 338.3 MB in the end (delta: -103.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 5.3 GB. [2018-01-20 22:22:44,125 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 271.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 204.12 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 251.7 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.93 ms. Allocated memory is still 306.7 MB. Free memory is still 251.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 216.02 ms. Allocated memory is still 306.7 MB. Free memory was 251.7 MB in the beginning and 236.7 MB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1440.26 ms. Allocated memory was 306.7 MB in the beginning and 470.3 MB in the end (delta: 163.6 MB). Free memory was 234.7 MB in the beginning and 338.3 MB in the end (delta: -103.5 MB). Peak memory consumption was 60.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1072]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1450] CALL entry_point() [L1445] CALL h5() [L1434] CALL ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=4, malloc(size)={6:0}, size=4] [L1074] return malloc(size); VAL [\old(size)=4, \result={6:0}, malloc(size)={6:0}, size=4] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 11 SDslu, 1 SDs, 0 SdLazy, 21 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1450] CALL entry_point() [L1445] CALL, EXPR h5() [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=4, \result={0:0}, size=4] [L1434] EXPR ldv_malloc(sizeof(int)) VAL [ldv_malloc(sizeof(int))={0:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] RET return p; VAL [\result={0:0}, p={0:0}] [L1445] EXPR h5() VAL [h5()={0:0}] [L1445] int *p = h5(); [L1446] CALL g5(p) VAL [p={0:0}] [L1439] COND FALSE !(\read(*p)) VAL [p={0:0}, p={0:0}] [L1446] FCALL g5(p) - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1449]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 21 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 1403 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1433]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: h5Err0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 9 SDslu, 1 SDs, 0 SdLazy, 21 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1444]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 4 SDslu, 1 SDs, 0 SdLazy, 21 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1113 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1438]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: g5Err0EnsuresViolation CFG has 7 procedures, 37 locations, 7 error locations. SAFE Result, 0.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 54 SDtfs, 12 SDslu, 146 SDs, 0 SdLazy, 62 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 61 ConstructedInterpolants, 0 QuantifiedInterpolants, 2703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-20_22-22-44-135.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-20_22-22-44-135.csv Received shutdown request...