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_Taipan+AI_EQ_smtcomp.epf -i ../../../trunk/examples/svcomp/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 10:42:32,551 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 10:42:32,553 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 10:42:32,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 10:42:32,568 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 10:42:32,569 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 10:42:32,570 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 10:42:32,572 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 10:42:32,574 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 10:42:32,574 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 10:42:32,575 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 10:42:32,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 10:42:32,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 10:42:32,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 10:42:32,579 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 10:42:32,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 10:42:32,584 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 10:42:32,586 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 10:42:32,587 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 10:42:32,589 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 10:42:32,591 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 10:42:32,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 10:42:32,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 10:42:32,598 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf [2018-01-21 10:42:32,607 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 10:42:32,607 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 10:42:32,608 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 10:42:32,608 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 10:42:32,608 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 10:42:32,609 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 10:42:32,609 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 10:42:32,609 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 10:42:32,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 10:42:32,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 10:42:32,609 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 10:42:32,610 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 10:42:32,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 10:42:32,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 10:42:32,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 10:42:32,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 10:42:32,611 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 10:42:32,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 10:42:32,612 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 10:42:32,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 10:42:32,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 10:42:32,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 10:42:32,612 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 10:42:32,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 10:42:32,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 10:42:32,613 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 10:42:32,613 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 10:42:32,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 10:42:32,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 10:42:32,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 10:42:32,613 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 10:42:32,614 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 10:42:32,614 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 10:42:32,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 10:42:32,658 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 10:42:32,662 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 10:42:32,663 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 10:42:32,663 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 10:42:32,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i [2018-01-21 10:42:32,854 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 10:42:32,857 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 10:42:32,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 10:42:32,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 10:42:32,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 10:42:32,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:42:32" (1/1) ... [2018-01-21 10:42:32,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c7fa6b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:32, skipping insertion in model container [2018-01-21 10:42:32,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 10:42:32" (1/1) ... [2018-01-21 10:42:32,880 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:42:32,921 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 10:42:33,051 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:42:33,080 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 10:42:33,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33 WrapperNode [2018-01-21 10:42:33,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 10:42:33,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 10:42:33,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 10:42:33,095 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 10:42:33,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (1/1) ... [2018-01-21 10:42:33,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 10:42:33,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 10:42:33,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 10:42:33,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 10:42:33,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (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 [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure fail [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure merge_single_node [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure merge_pair [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2018-01-21 10:42:33,203 INFO L136 BoogieDeclarations]: Found implementation of procedure inspect_before [2018-01-21 10:42:33,204 INFO L136 BoogieDeclarations]: Found implementation of procedure inspect_after [2018-01-21 10:42:33,204 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 10:42:33,204 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure fail [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure merge_single_node [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure merge_pair [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure seq_sort_core [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure inspect_before [2018-01-21 10:42:33,205 INFO L128 BoogieDeclarations]: Found specification of procedure inspect_after [2018-01-21 10:42:33,206 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 10:42:33,206 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 10:42:33,206 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 10:42:33,898 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 10:42:33,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:42:33 BoogieIcfgContainer [2018-01-21 10:42:33,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 10:42:33,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 10:42:33,901 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 10:42:33,902 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 10:42:33,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 10:42:32" (1/3) ... [2018-01-21 10:42:33,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fb469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:42:33, skipping insertion in model container [2018-01-21 10:42:33,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 10:42:33" (2/3) ... [2018-01-21 10:42:33,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fb469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 10:42:33, skipping insertion in model container [2018-01-21 10:42:33,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 10:42:33" (3/3) ... [2018-01-21 10:42:33,906 INFO L105 eAbstractionObserver]: Analyzing ICFG merge_sort_true-unreach-call_true-valid-memsafety.i [2018-01-21 10:42:33,913 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 10:42:33,920 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-21 10:42:33,967 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:42:33,967 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:42:33,968 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:42:33,968 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:42:33,968 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:42:33,968 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:42:33,968 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:42:33,968 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == failErr0EnsuresViolation======== [2018-01-21 10:42:33,969 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:42:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:42:33,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 10:42:33,994 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:33,995 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:33,995 INFO L371 AbstractCegarLoop]: === Iteration 1 === [failErr0EnsuresViolation]=== [2018-01-21 10:42:34,000 INFO L82 PathProgramCache]: Analyzing trace with hash -101851905, now seen corresponding path program 1 times [2018-01-21 10:42:34,002 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:34,049 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,050 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:34,050 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,050 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:34,092 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:42:34,138 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:34,139 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:42:34,139 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:34,142 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:42:34,156 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:42:34,157 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:42:34,228 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 2 states. [2018-01-21 10:42:34,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:34,278 INFO L93 Difference]: Finished difference Result 417 states and 571 transitions. [2018-01-21 10:42:34,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:42:34,279 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-01-21 10:42:34,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:34,286 INFO L225 Difference]: With dead ends: 417 [2018-01-21 10:42:34,286 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 10:42:34,292 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:42:34,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 10:42:34,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 10:42:34,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 10:42:34,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 10:42:34,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-01-21 10:42:34,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:34,319 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 10:42:34,319 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:42:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 10:42:34,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 10:42:34,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 10:42:34,477 INFO L404 ceAbstractionStarter]: At program point failENTRY(lines 553 555) the Hoare annotation is: true [2018-01-21 10:42:34,477 INFO L401 ceAbstractionStarter]: For program point failFINAL(lines 553 555) no Hoare annotation was computed. [2018-01-21 10:42:34,477 INFO L401 ceAbstractionStarter]: For program point failErr0EnsuresViolation(lines 553 555) no Hoare annotation was computed. [2018-01-21 10:42:34,477 INFO L401 ceAbstractionStarter]: For program point failEXIT(lines 553 555) no Hoare annotation was computed. [2018-01-21 10:42:34,477 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 655) no Hoare annotation was computed. [2018-01-21 10:42:34,477 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 655) no Hoare annotation was computed. [2018-01-21 10:42:34,477 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 655) the Hoare annotation is: true [2018-01-21 10:42:34,478 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 655) no Hoare annotation was computed. [2018-01-21 10:42:34,478 INFO L404 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: true [2018-01-21 10:42:34,478 INFO L404 ceAbstractionStarter]: At program point L581'(line 581) the Hoare annotation is: true [2018-01-21 10:42:34,478 INFO L401 ceAbstractionStarter]: For program point L573'(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,478 INFO L401 ceAbstractionStarter]: For program point merge_pairFINAL(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,478 INFO L401 ceAbstractionStarter]: For program point L577'''''(line 577) no Hoare annotation was computed. [2018-01-21 10:42:34,478 INFO L401 ceAbstractionStarter]: For program point L578''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L573'''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L578''''''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L573''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L404 ceAbstractionStarter]: At program point merge_pairENTRY(lines 573 583) the Hoare annotation is: true [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L578'(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,479 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L577''(line 577) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L573''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L573''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L573(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L573'''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L404 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L577(lines 577 582) no Hoare annotation was computed. [2018-01-21 10:42:34,480 INFO L401 ceAbstractionStarter]: For program point L578'''''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L578'''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L577''''(line 577) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L577''''''''(lines 577 582) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L573'''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L573'''''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point merge_pairErr0EnsuresViolation(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L573'''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,481 INFO L401 ceAbstractionStarter]: For program point L578''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L573'''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L573''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L578''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L578'''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L578'''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L578''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,482 INFO L401 ceAbstractionStarter]: For program point L573'''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point merge_pairEXIT(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L578''''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L578'''''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L577'(line 577) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L573''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L577''''''(line 577) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-01-21 10:42:34,483 INFO L401 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point L570'(line 570) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point merge_single_nodeFINAL(lines 564 572) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point merge_single_nodeErr0EnsuresViolation(lines 564 572) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L401 ceAbstractionStarter]: For program point merge_single_nodeEXIT(lines 564 572) no Hoare annotation was computed. [2018-01-21 10:42:34,484 INFO L404 ceAbstractionStarter]: At program point merge_single_nodeENTRY(lines 564 572) the Hoare annotation is: true [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L567'(line 567) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L568'(line 568) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L569'(line 569) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L568''(line 568) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L595'(line 595) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L594'''(line 594) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L597'(line 597) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L589(lines 589 593) no Hoare annotation was computed. [2018-01-21 10:42:34,485 INFO L401 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-01-21 10:42:34,486 INFO L401 ceAbstractionStarter]: For program point seq_sort_coreErr0EnsuresViolation(lines 584 601) no Hoare annotation was computed. [2018-01-21 10:42:34,486 INFO L401 ceAbstractionStarter]: For program point L587(lines 587 599) no Hoare annotation was computed. [2018-01-21 10:42:34,486 INFO L404 ceAbstractionStarter]: At program point L594''(line 594) the Hoare annotation is: true [2018-01-21 10:42:34,486 INFO L401 ceAbstractionStarter]: For program point seq_sort_coreEXIT(lines 584 601) no Hoare annotation was computed. [2018-01-21 10:42:34,486 INFO L401 ceAbstractionStarter]: For program point seq_sort_coreFINAL(lines 584 601) no Hoare annotation was computed. [2018-01-21 10:42:34,486 INFO L404 ceAbstractionStarter]: At program point L598'(line 598) the Hoare annotation is: true [2018-01-21 10:42:34,486 INFO L401 ceAbstractionStarter]: For program point L588'(line 588) no Hoare annotation was computed. [2018-01-21 10:42:34,486 INFO L401 ceAbstractionStarter]: For program point L590'(line 590) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L594'(line 594) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L404 ceAbstractionStarter]: At program point seq_sort_coreENTRY(lines 584 601) the Hoare annotation is: true [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2018-01-21 10:42:34,487 INFO L401 ceAbstractionStarter]: For program point L587''(lines 587 599) no Hoare annotation was computed. [2018-01-21 10:42:34,488 INFO L401 ceAbstractionStarter]: For program point L609'''''''(line 609) no Hoare annotation was computed. [2018-01-21 10:42:34,488 INFO L404 ceAbstractionStarter]: At program point inspect_beforeENTRY(lines 602 615) the Hoare annotation is: true [2018-01-21 10:42:34,488 INFO L404 ceAbstractionStarter]: At program point L611'(line 611) the Hoare annotation is: true [2018-01-21 10:42:34,488 INFO L401 ceAbstractionStarter]: For program point L607'(line 607) no Hoare annotation was computed. [2018-01-21 10:42:34,488 INFO L401 ceAbstractionStarter]: For program point L609'''''(line 609) no Hoare annotation was computed. [2018-01-21 10:42:34,488 INFO L401 ceAbstractionStarter]: For program point L613''''(line 613) no Hoare annotation was computed. [2018-01-21 10:42:34,488 INFO L401 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2018-01-21 10:42:34,488 INFO L401 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-01-21 10:42:34,489 INFO L401 ceAbstractionStarter]: For program point L611'''''(line 611) no Hoare annotation was computed. [2018-01-21 10:42:34,489 INFO L404 ceAbstractionStarter]: At program point L613''(line 613) the Hoare annotation is: true [2018-01-21 10:42:34,489 INFO L404 ceAbstractionStarter]: At program point L606'''''(line 606) the Hoare annotation is: true [2018-01-21 10:42:34,489 INFO L404 ceAbstractionStarter]: At program point L607''(line 607) the Hoare annotation is: true [2018-01-21 10:42:34,489 INFO L401 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2018-01-21 10:42:34,489 INFO L401 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-01-21 10:42:34,489 INFO L401 ceAbstractionStarter]: For program point L612'(line 612) no Hoare annotation was computed. [2018-01-21 10:42:34,489 INFO L401 ceAbstractionStarter]: For program point L608'(line 608) no Hoare annotation was computed. [2018-01-21 10:42:34,489 INFO L404 ceAbstractionStarter]: At program point L609'''(line 609) the Hoare annotation is: true [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L605'(line 605) no Hoare annotation was computed. [2018-01-21 10:42:34,490 INFO L404 ceAbstractionStarter]: At program point L614'''(line 614) the Hoare annotation is: true [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L613''''''(line 613) no Hoare annotation was computed. [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L607''''(line 607) no Hoare annotation was computed. [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L607''''''(line 607) no Hoare annotation was computed. [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L605''''(line 605) no Hoare annotation was computed. [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L606'''(line 606) no Hoare annotation was computed. [2018-01-21 10:42:34,490 INFO L401 ceAbstractionStarter]: For program point L614''(line 614) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L612''''''(line 612) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L605'''''(lines 605 610) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L404 ceAbstractionStarter]: At program point L606'(line 606) the Hoare annotation is: true [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point inspect_beforeErr0EnsuresViolation(lines 602 615) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L608''''''(line 608) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L612''''(line 612) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L614''''''''(line 614) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L604'''(line 604) no Hoare annotation was computed. [2018-01-21 10:42:34,491 INFO L401 ceAbstractionStarter]: For program point L609''(line 609) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L614'''''(line 614) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L404 ceAbstractionStarter]: At program point L604'(line 604) the Hoare annotation is: true [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L611'''(line 611) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L605'''(lines 605 610) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L608''''(line 608) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L614'''''''(line 614) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2018-01-21 10:42:34,492 INFO L401 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L401 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L401 ceAbstractionStarter]: For program point L607(line 607) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L401 ceAbstractionStarter]: For program point L606(line 606) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L401 ceAbstractionStarter]: For program point L613'(line 613) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L404 ceAbstractionStarter]: At program point L604'''''(line 604) the Hoare annotation is: true [2018-01-21 10:42:34,493 INFO L401 ceAbstractionStarter]: For program point L609'(line 609) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L401 ceAbstractionStarter]: For program point inspect_beforeEXIT(lines 602 615) no Hoare annotation was computed. [2018-01-21 10:42:34,493 INFO L404 ceAbstractionStarter]: At program point L612''(line 612) the Hoare annotation is: true [2018-01-21 10:42:34,493 INFO L404 ceAbstractionStarter]: At program point L608''(line 608) the Hoare annotation is: true [2018-01-21 10:42:34,494 INFO L401 ceAbstractionStarter]: For program point L614'(line 614) no Hoare annotation was computed. [2018-01-21 10:42:34,494 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 655) the Hoare annotation is: true [2018-01-21 10:42:34,494 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 655) no Hoare annotation was computed. [2018-01-21 10:42:34,494 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 655) the Hoare annotation is: true [2018-01-21 10:42:34,494 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 655) no Hoare annotation was computed. [2018-01-21 10:42:34,494 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 655) no Hoare annotation was computed. [2018-01-21 10:42:34,494 INFO L401 ceAbstractionStarter]: For program point L650'(line 650) no Hoare annotation was computed. [2018-01-21 10:42:34,494 INFO L401 ceAbstractionStarter]: For program point L649'''(lines 649 653) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L628(lines 628 640) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L628''''(lines 628 640) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L630''(lines 630 631) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 625 655) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point L651'(line 651) no Hoare annotation was computed. [2018-01-21 10:42:34,495 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 625 655) no Hoare annotation was computed. [2018-01-21 10:42:34,496 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 625 655) the Hoare annotation is: true [2018-01-21 10:42:34,496 INFO L401 ceAbstractionStarter]: For program point L644'(line 644) no Hoare annotation was computed. [2018-01-21 10:42:34,496 INFO L404 ceAbstractionStarter]: At program point L644''''(lines 644 645) the Hoare annotation is: true [2018-01-21 10:42:34,496 INFO L401 ceAbstractionStarter]: For program point L628'(lines 628 640) no Hoare annotation was computed. [2018-01-21 10:42:34,496 INFO L404 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2018-01-21 10:42:34,496 INFO L401 ceAbstractionStarter]: For program point L644(lines 644 645) no Hoare annotation was computed. [2018-01-21 10:42:34,496 INFO L404 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: true [2018-01-21 10:42:34,496 INFO L401 ceAbstractionStarter]: For program point L649(lines 649 653) no Hoare annotation was computed. [2018-01-21 10:42:34,496 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 10:42:34,497 INFO L404 ceAbstractionStarter]: At program point L628'''(lines 628 640) the Hoare annotation is: true [2018-01-21 10:42:34,497 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 10:42:34,497 INFO L404 ceAbstractionStarter]: At program point L649''(lines 649 653) the Hoare annotation is: true [2018-01-21 10:42:34,497 INFO L401 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2018-01-21 10:42:34,497 INFO L401 ceAbstractionStarter]: For program point L645'(line 645) no Hoare annotation was computed. [2018-01-21 10:42:34,497 INFO L401 ceAbstractionStarter]: For program point L633'(line 633) no Hoare annotation was computed. [2018-01-21 10:42:34,497 INFO L401 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-01-21 10:42:34,497 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 625 655) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L630(lines 630 631) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L404 ceAbstractionStarter]: At program point L644'''(lines 644 645) the Hoare annotation is: true [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L635''(lines 635 636) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2018-01-21 10:42:34,498 INFO L401 ceAbstractionStarter]: For program point L635(lines 635 636) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L634'(line 634) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L623'''''''(line 623) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L622'''(line 622) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2018-01-21 10:42:34,499 INFO L404 ceAbstractionStarter]: At program point L623''(line 623) the Hoare annotation is: true [2018-01-21 10:42:34,499 INFO L404 ceAbstractionStarter]: At program point L622'''''''(line 622) the Hoare annotation is: true [2018-01-21 10:42:34,499 INFO L401 ceAbstractionStarter]: For program point L620'''''''(line 620) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L623'(line 623) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L620''''(line 620) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L619'(line 619) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L622'''''(line 622) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L404 ceAbstractionStarter]: At program point L619''(line 619) the Hoare annotation is: true [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L620'(line 620) no Hoare annotation was computed. [2018-01-21 10:42:34,500 INFO L401 ceAbstractionStarter]: For program point L622''''''(line 622) no Hoare annotation was computed. [2018-01-21 10:42:34,501 INFO L404 ceAbstractionStarter]: At program point L620''(line 620) the Hoare annotation is: true [2018-01-21 10:42:34,501 INFO L401 ceAbstractionStarter]: For program point L622''(line 622) no Hoare annotation was computed. [2018-01-21 10:42:34,501 INFO L404 ceAbstractionStarter]: At program point inspect_afterENTRY(lines 616 624) the Hoare annotation is: true [2018-01-21 10:42:34,501 INFO L401 ceAbstractionStarter]: For program point L623''''''(line 623) no Hoare annotation was computed. [2018-01-21 10:42:34,501 INFO L401 ceAbstractionStarter]: For program point inspect_afterErr0EnsuresViolation(lines 616 624) no Hoare annotation was computed. [2018-01-21 10:42:34,501 INFO L401 ceAbstractionStarter]: For program point L618'''(line 618) no Hoare annotation was computed. [2018-01-21 10:42:34,501 INFO L404 ceAbstractionStarter]: At program point L618'''''(line 618) the Hoare annotation is: true [2018-01-21 10:42:34,501 INFO L401 ceAbstractionStarter]: For program point L619''''''(line 619) no Hoare annotation was computed. [2018-01-21 10:42:34,502 INFO L401 ceAbstractionStarter]: For program point L619''''(line 619) no Hoare annotation was computed. [2018-01-21 10:42:34,502 INFO L401 ceAbstractionStarter]: For program point L620''''''(line 620) no Hoare annotation was computed. [2018-01-21 10:42:34,502 INFO L401 ceAbstractionStarter]: For program point L622'(line 622) no Hoare annotation was computed. [2018-01-21 10:42:34,502 INFO L401 ceAbstractionStarter]: For program point L623''''(line 623) no Hoare annotation was computed. [2018-01-21 10:42:34,502 INFO L401 ceAbstractionStarter]: For program point inspect_afterEXIT(lines 616 624) no Hoare annotation was computed. [2018-01-21 10:42:34,502 INFO L404 ceAbstractionStarter]: At program point L618'(line 618) the Hoare annotation is: true [2018-01-21 10:42:34,507 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:42:34,508 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:42:34,508 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:42:34,508 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:42:34,508 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:42:34,508 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:42:34,508 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:42:34,508 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 10:42:34,508 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:42:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:42:34,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 10:42:34,513 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:34,513 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 10:42:34,513 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 10:42:34,513 INFO L82 PathProgramCache]: Analyzing trace with hash 563166, now seen corresponding path program 1 times [2018-01-21 10:42:34,514 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:34,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,515 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:34,515 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,515 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:42:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 10:42:34,541 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 10:42:34,545 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 10:42:34,550 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:42:34,550 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:42:34,550 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:42:34,550 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:42:34,550 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:42:34,550 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:42:34,550 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:42:34,550 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == merge_pairErr0EnsuresViolation======== [2018-01-21 10:42:34,550 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:42:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:42:34,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-01-21 10:42:34,557 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:34,557 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, 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, 1] [2018-01-21 10:42:34,558 INFO L371 AbstractCegarLoop]: === Iteration 1 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 10:42:34,558 INFO L82 PathProgramCache]: Analyzing trace with hash -2032860850, now seen corresponding path program 1 times [2018-01-21 10:42:34,558 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:34,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,559 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:34,559 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,559 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:34,573 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:42:34,599 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:34,600 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 10:42:34,600 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:34,600 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 10:42:34,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 10:42:34,601 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:42:34,601 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 2 states. [2018-01-21 10:42:34,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:34,622 INFO L93 Difference]: Finished difference Result 417 states and 571 transitions. [2018-01-21 10:42:34,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 10:42:34,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 53 [2018-01-21 10:42:34,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:34,628 INFO L225 Difference]: With dead ends: 417 [2018-01-21 10:42:34,628 INFO L226 Difference]: Without dead ends: 150 [2018-01-21 10:42:34,629 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 10:42:34,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-21 10:42:34,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-01-21 10:42:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-01-21 10:42:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 160 transitions. [2018-01-21 10:42:34,648 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 160 transitions. Word has length 53 [2018-01-21 10:42:34,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:34,648 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 160 transitions. [2018-01-21 10:42:34,648 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 10:42:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2018-01-21 10:42:34,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-01-21 10:42:34,650 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:34,650 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:34,650 INFO L371 AbstractCegarLoop]: === Iteration 2 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 10:42:34,650 INFO L82 PathProgramCache]: Analyzing trace with hash -493560614, now seen corresponding path program 1 times [2018-01-21 10:42:34,650 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:34,651 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,651 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:34,651 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,652 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:34,669 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:34,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:42:34,739 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:34,739 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-21 10:42:34,739 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:34,740 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:42:34,741 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:42:34,741 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:42:34,741 INFO L87 Difference]: Start difference. First operand 150 states and 160 transitions. Second operand 3 states. [2018-01-21 10:42:34,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:34,777 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions. [2018-01-21 10:42:34,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:42:34,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2018-01-21 10:42:34,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:34,779 INFO L225 Difference]: With dead ends: 294 [2018-01-21 10:42:34,780 INFO L226 Difference]: Without dead ends: 166 [2018-01-21 10:42:34,781 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:42:34,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-01-21 10:42:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 153. [2018-01-21 10:42:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-01-21 10:42:34,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2018-01-21 10:42:34,793 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 75 [2018-01-21 10:42:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:34,793 INFO L432 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2018-01-21 10:42:34,793 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:42:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2018-01-21 10:42:34,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-01-21 10:42:34,796 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:34,797 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:34,797 INFO L371 AbstractCegarLoop]: === Iteration 3 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 10:42:34,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1476607212, now seen corresponding path program 1 times [2018-01-21 10:42:34,797 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:34,798 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,798 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:34,798 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,798 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:34,857 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-01-21 10:42:34,925 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:34,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-21 10:42:34,925 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:34,926 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 10:42:34,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 10:42:34,926 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:42:34,926 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand 3 states. [2018-01-21 10:42:34,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:34,949 INFO L93 Difference]: Finished difference Result 237 states and 258 transitions. [2018-01-21 10:42:34,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 10:42:34,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-01-21 10:42:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:34,952 INFO L225 Difference]: With dead ends: 237 [2018-01-21 10:42:34,952 INFO L226 Difference]: Without dead ends: 154 [2018-01-21 10:42:34,953 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 10:42:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-01-21 10:42:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-01-21 10:42:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-01-21 10:42:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2018-01-21 10:42:34,964 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 91 [2018-01-21 10:42:34,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:34,965 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2018-01-21 10:42:34,965 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 10:42:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2018-01-21 10:42:34,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-01-21 10:42:34,967 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:34,968 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:34,968 INFO L371 AbstractCegarLoop]: === Iteration 4 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 10:42:34,968 INFO L82 PathProgramCache]: Analyzing trace with hash 754057391, now seen corresponding path program 1 times [2018-01-21 10:42:34,968 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:34,969 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,969 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:34,969 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:34,969 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:35,024 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:35,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:42:35,555 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:35,555 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-01-21 10:42:35,555 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:35,556 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-01-21 10:42:35,556 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-01-21 10:42:35,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-01-21 10:42:35,556 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand 17 states. [2018-01-21 10:42:36,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:36,410 INFO L93 Difference]: Finished difference Result 370 states and 407 transitions. [2018-01-21 10:42:36,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-01-21 10:42:36,410 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 93 [2018-01-21 10:42:36,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:36,413 INFO L225 Difference]: With dead ends: 370 [2018-01-21 10:42:36,413 INFO L226 Difference]: Without dead ends: 286 [2018-01-21 10:42:36,415 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2018-01-21 10:42:36,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-01-21 10:42:36,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 221. [2018-01-21 10:42:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-01-21 10:42:36,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 242 transitions. [2018-01-21 10:42:36,435 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 242 transitions. Word has length 93 [2018-01-21 10:42:36,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:36,435 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 242 transitions. [2018-01-21 10:42:36,435 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-01-21 10:42:36,435 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 242 transitions. [2018-01-21 10:42:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-01-21 10:42:36,436 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:36,436 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:36,436 INFO L371 AbstractCegarLoop]: === Iteration 5 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 10:42:36,437 INFO L82 PathProgramCache]: Analyzing trace with hash -514708738, now seen corresponding path program 1 times [2018-01-21 10:42:36,437 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:36,437 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:36,438 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:36,438 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:36,438 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:36,467 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:42:36,584 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 10:42:36,585 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 10:42:36,585 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 10:42:36,586 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 10:42:36,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 10:42:36,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 10:42:36,586 INFO L87 Difference]: Start difference. First operand 221 states and 242 transitions. Second operand 7 states. [2018-01-21 10:42:36,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 10:42:36,697 INFO L93 Difference]: Finished difference Result 343 states and 375 transitions. [2018-01-21 10:42:36,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-21 10:42:36,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2018-01-21 10:42:36,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 10:42:36,700 INFO L225 Difference]: With dead ends: 343 [2018-01-21 10:42:36,700 INFO L226 Difference]: Without dead ends: 256 [2018-01-21 10:42:36,701 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-01-21 10:42:36,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-01-21 10:42:36,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 231. [2018-01-21 10:42:36,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-01-21 10:42:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 253 transitions. [2018-01-21 10:42:36,719 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 253 transitions. Word has length 104 [2018-01-21 10:42:36,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 10:42:36,720 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 253 transitions. [2018-01-21 10:42:36,720 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 10:42:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 253 transitions. [2018-01-21 10:42:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-01-21 10:42:36,730 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 10:42:36,730 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 10:42:36,730 INFO L371 AbstractCegarLoop]: === Iteration 6 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 10:42:36,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1958389758, now seen corresponding path program 1 times [2018-01-21 10:42:36,730 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 10:42:36,731 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:36,731 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:42:36,731 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 10:42:36,732 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 10:42:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:42:36,769 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 10:42:37,677 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-21 10:42:37,678 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:42:37,678 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 10:42:37,679 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-01-21 10:42:37,680 INFO L201 CegarAbsIntRunner]: [13], [17], [23], [24], [25], [28], [29], [30], [32], [33], [34], [45], [46], [48], [52], [58], [62], [70], [71], [74], [161], [167], [171], [179], [180], [186], [190], [198], [199], [205], [209], [217], [218], [219], [225], [229], [235], [237], [241], [243], [246], [248], [249], [250], [255], [257], [258], [259], [260], [261], [262], [267], [269], [270], [271], [278], [283], [285], [290], [292], [421], [422], [424], [425], [426], [427], [428], [429], [430], [431], [432], [433], [434], [435], [436], [437], [441], [443], [444], [449], [450], [451], [455], [491], [492], [493], [494], [495], [496], [498], [503], [523], [524], [525], [526], [541], [542], [543] [2018-01-21 10:42:37,725 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 10:42:37,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-01-21 10:43:33,516 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-01-21 10:43:33,516 WARN L157 AbstractInterpreter]: Abstract interpretation run out of time [2018-01-21 10:43:33,533 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-21 10:43:33,533 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 10:43:33,533 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-21 10:43:33,565 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 10:43:33,565 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 10:43:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 10:43:33,638 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 10:43:33,649 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-21 10:43:33,649 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,652 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:43:33,652 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:43:33,652 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:43:33,652 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:43:33,652 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:43:33,653 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:43:33,653 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:43:33,653 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == merge_single_nodeErr0EnsuresViolation======== [2018-01-21 10:43:33,653 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:43:33,655 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:43:33,655 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,657 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:43:33,657 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:43:33,657 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:43:33,657 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:43:33,657 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:43:33,657 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:43:33,657 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:43:33,657 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == seq_sort_coreErr0EnsuresViolation======== [2018-01-21 10:43:33,658 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:43:33,659 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:43:33,660 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,661 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:43:33,661 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:43:33,661 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:43:33,661 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:43:33,661 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:43:33,661 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:43:33,661 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:43:33,661 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == inspect_beforeErr0EnsuresViolation======== [2018-01-21 10:43:33,662 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:43:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:43:33,664 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,665 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:43:33,665 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:43:33,665 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:43:33,665 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:43:33,665 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:43:33,665 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:43:33,665 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:43:33,665 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 10:43:33,666 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:43:33,667 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:43:33,668 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,669 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:43:33,669 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:43:33,669 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:43:33,669 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:43:33,669 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:43:33,669 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:43:33,669 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:43:33,669 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 10:43:33,669 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:43:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:43:33,671 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,672 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 10:43:33,673 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 10:43:33,673 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 10:43:33,673 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 10:43:33,673 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 10:43:33,673 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 10:43:33,673 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 10:43:33,673 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == inspect_afterErr0EnsuresViolation======== [2018-01-21 10:43:33,673 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 10:43:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 10:43:33,676 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 10:43:33,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 10:43:33 BoogieIcfgContainer [2018-01-21 10:43:33,677 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 10:43:33,677 INFO L168 Benchmark]: Toolchain (without parser) took 60823.17 ms. Allocated memory was 302.5 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 261.4 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 547.5 MB. Max. memory is 5.3 GB. [2018-01-21 10:43:33,679 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 302.5 MB. Free memory is still 267.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 10:43:33,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.73 ms. Allocated memory is still 302.5 MB. Free memory was 261.4 MB in the beginning and 249.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-01-21 10:43:33,679 INFO L168 Benchmark]: Boogie Preprocessor took 55.50 ms. Allocated memory is still 302.5 MB. Free memory was 249.3 MB in the beginning and 247.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 10:43:33,680 INFO L168 Benchmark]: RCFGBuilder took 748.77 ms. Allocated memory is still 302.5 MB. Free memory was 247.3 MB in the beginning and 195.9 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 5.3 GB. [2018-01-21 10:43:33,680 INFO L168 Benchmark]: TraceAbstraction took 59776.10 ms. Allocated memory was 302.5 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 195.9 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 481.9 MB. Max. memory is 5.3 GB. [2018-01-21 10:43:33,682 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 302.5 MB. Free memory is still 267.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 236.73 ms. Allocated memory is still 302.5 MB. Free memory was 261.4 MB in the beginning and 249.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 55.50 ms. Allocated memory is still 302.5 MB. Free memory was 249.3 MB in the beginning and 247.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 748.77 ms. Allocated memory is still 302.5 MB. Free memory was 247.3 MB in the beginning and 195.9 MB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 5.3 GB. * TraceAbstraction took 59776.10 ms. Allocated memory was 302.5 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 195.9 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 481.9 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 553]: 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: failErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. SAFE Result, 0.5s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 234 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 92 PreInvPairs, 117 NumberOfFragments, 38 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 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 9 procedures, 215 locations, 9 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=215occurred 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 - TimeoutResultAtElement [Line: 573]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 573). Cancelled while BasicCegarLoop was analyzing trace of length 110 with TraceHistMax 2, while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 27 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for error location: merge_pairErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 59.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 840 SDtfs, 405 SDslu, 2456 SDs, 0 SdLazy, 933 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=231occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 55.8s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 103 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 411 ConstructedInterpolants, 0 QuantifiedInterpolants, 82505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 16/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 564]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 564). Cancelled while IsEmpty was searching accepting run (input had 215 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: merge_single_nodeErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 584]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 584). Cancelled while IsEmpty was searching accepting run (input had 215 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: seq_sort_coreErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 602]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 602). Cancelled while IsEmpty was searching accepting run (input had 215 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: inspect_beforeErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 1]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 1). Cancelled while IsEmpty was searching accepting run (input had 215 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 625]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 625). Cancelled while IsEmpty was searching accepting run (input had 215 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: No data available, REUSE_STATISTICS: No data available - TimeoutResultAtElement [Line: 616]: Timeout (TraceAbstraction) Unable to prove that all allocated memory was freed (line 616). Cancelled while IsEmpty was searching accepting run (input had 215 states). - StatisticsResult: Ultimate Automizer benchmark data for error location: inspect_afterErr0EnsuresViolation CFG has 9 procedures, 215 locations, 9 error locations. TIMEOUT Result, 0.0s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=215occurred 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: 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/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_10-43-33-692.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/merge_sort_true-unreach-call_true-valid-memsafety.i_mempurity-32bit-Automizer_Taipan+AI_EQ_smtcomp.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_10-43-33-692.csv Completed graceful shutdown