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_mostprecise.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 03:32:45,509 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 03:32:45,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 03:32:45,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 03:32:45,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 03:32:45,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 03:32:45,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 03:32:45,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 03:32:45,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 03:32:45,535 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 03:32:45,536 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 03:32:45,536 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 03:32:45,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 03:32:45,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 03:32:45,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 03:32:45,543 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 03:32:45,545 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 03:32:45,547 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 03:32:45,549 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 03:32:45,550 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 03:32:45,552 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 03:32:45,558 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-21 03:32:45,558 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-21 03:32:45,559 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_mostprecise.epf [2018-01-21 03:32:45,568 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 03:32:45,568 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 03:32:45,569 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 03:32:45,569 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 03:32:45,569 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 03:32:45,569 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 03:32:45,569 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 03:32:45,570 INFO L133 SettingsManager]: * Precise comparison operator=true [2018-01-21 03:32:45,570 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 03:32:45,570 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 03:32:45,570 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 03:32:45,571 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 03:32:45,571 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 03:32:45,571 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 03:32:45,571 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 03:32:45,571 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 03:32:45,571 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 03:32:45,572 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 03:32:45,572 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 03:32:45,572 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 03:32:45,572 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 03:32:45,572 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 03:32:45,572 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 03:32:45,573 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 03:32:45,573 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 03:32:45,573 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 03:32:45,573 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 03:32:45,573 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 03:32:45,573 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 03:32:45,574 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 03:32:45,575 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 03:32:45,575 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 03:32:45,575 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 03:32:45,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 03:32:45,621 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 03:32:45,626 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 03:32:45,627 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 03:32:45,627 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 03:32:45,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort_true-unreach-call_true-valid-memsafety.i [2018-01-21 03:32:45,884 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 03:32:45,889 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 03:32:45,891 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 03:32:45,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 03:32:45,898 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 03:32:45,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:32:45" (1/1) ... [2018-01-21 03:32:45,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddbb7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:45, skipping insertion in model container [2018-01-21 03:32:45,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 03:32:45" (1/1) ... [2018-01-21 03:32:45,923 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:32:45,996 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 03:32:46,161 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:32:46,198 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 03:32:46,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46 WrapperNode [2018-01-21 03:32:46,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 03:32:46,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 03:32:46,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 03:32:46,218 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 03:32:46,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (1/1) ... [2018-01-21 03:32:46,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 03:32:46,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 03:32:46,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 03:32:46,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 03:32:46,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (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 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure fail [2018-01-21 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure merge_single_node [2018-01-21 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure merge_pair [2018-01-21 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2018-01-21 03:32:46,337 INFO L136 BoogieDeclarations]: Found implementation of procedure inspect_before [2018-01-21 03:32:46,338 INFO L136 BoogieDeclarations]: Found implementation of procedure inspect_after [2018-01-21 03:32:46,338 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 03:32:46,338 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure abort [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure fail [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure merge_single_node [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure merge_pair [2018-01-21 03:32:46,339 INFO L128 BoogieDeclarations]: Found specification of procedure seq_sort_core [2018-01-21 03:32:46,340 INFO L128 BoogieDeclarations]: Found specification of procedure inspect_before [2018-01-21 03:32:46,340 INFO L128 BoogieDeclarations]: Found specification of procedure inspect_after [2018-01-21 03:32:46,340 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 03:32:46,340 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 03:32:46,340 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 03:32:47,660 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 03:32:47,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:32:47 BoogieIcfgContainer [2018-01-21 03:32:47,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 03:32:47,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 03:32:47,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 03:32:47,665 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 03:32:47,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 03:32:45" (1/3) ... [2018-01-21 03:32:47,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df2932f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:32:47, skipping insertion in model container [2018-01-21 03:32:47,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 03:32:46" (2/3) ... [2018-01-21 03:32:47,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4df2932f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 03:32:47, skipping insertion in model container [2018-01-21 03:32:47,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 03:32:47" (3/3) ... [2018-01-21 03:32:47,670 INFO L105 eAbstractionObserver]: Analyzing ICFG merge_sort_true-unreach-call_true-valid-memsafety.i [2018-01-21 03:32:47,679 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 03:32:47,688 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-21 03:32:47,777 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:32:47,778 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:32:47,778 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:32:47,778 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:32:47,778 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:32:47,778 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:32:47,779 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:32:47,779 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == failErr0EnsuresViolation======== [2018-01-21 03:32:47,780 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:32:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:32:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-21 03:32:47,832 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:47,836 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 03:32:47,836 INFO L371 AbstractCegarLoop]: === Iteration 1 === [failErr0EnsuresViolation]=== [2018-01-21 03:32:47,851 INFO L82 PathProgramCache]: Analyzing trace with hash -101851905, now seen corresponding path program 1 times [2018-01-21 03:32:47,854 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:47,923 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:47,924 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:47,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:47,924 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:48,042 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:48,080 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 03:32:48,083 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:32:48,084 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:32:48,084 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:32:48,088 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:32:48,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:32:48,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:32:48,231 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 2 states. [2018-01-21 03:32:48,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:32:48,296 INFO L93 Difference]: Finished difference Result 417 states and 571 transitions. [2018-01-21 03:32:48,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:32:48,298 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 15 [2018-01-21 03:32:48,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:32:48,307 INFO L225 Difference]: With dead ends: 417 [2018-01-21 03:32:48,308 INFO L226 Difference]: Without dead ends: 0 [2018-01-21 03:32:48,321 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 03:32:48,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-21 03:32:48,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-21 03:32:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-21 03:32:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-21 03:32:48,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-01-21 03:32:48,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:32:48,368 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-21 03:32:48,369 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:32:48,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-21 03:32:48,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-21 03:32:48,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-21 03:32:48,728 INFO L404 ceAbstractionStarter]: At program point failENTRY(lines 553 555) the Hoare annotation is: true [2018-01-21 03:32:48,729 INFO L401 ceAbstractionStarter]: For program point failFINAL(lines 553 555) no Hoare annotation was computed. [2018-01-21 03:32:48,729 INFO L401 ceAbstractionStarter]: For program point failErr0EnsuresViolation(lines 553 555) no Hoare annotation was computed. [2018-01-21 03:32:48,729 INFO L401 ceAbstractionStarter]: For program point failEXIT(lines 553 555) no Hoare annotation was computed. [2018-01-21 03:32:48,729 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initErr0EnsuresViolation(lines 1 655) no Hoare annotation was computed. [2018-01-21 03:32:48,729 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 655) no Hoare annotation was computed. [2018-01-21 03:32:48,729 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 655) the Hoare annotation is: true [2018-01-21 03:32:48,730 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 655) no Hoare annotation was computed. [2018-01-21 03:32:48,730 INFO L404 ceAbstractionStarter]: At program point L581(line 581) the Hoare annotation is: true [2018-01-21 03:32:48,730 INFO L404 ceAbstractionStarter]: At program point L581'(line 581) the Hoare annotation is: true [2018-01-21 03:32:48,730 INFO L401 ceAbstractionStarter]: For program point L573'(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,730 INFO L401 ceAbstractionStarter]: For program point merge_pairFINAL(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,730 INFO L401 ceAbstractionStarter]: For program point L577'''''(line 577) no Hoare annotation was computed. [2018-01-21 03:32:48,730 INFO L401 ceAbstractionStarter]: For program point L578''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,730 INFO L401 ceAbstractionStarter]: For program point L573'''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L578''''''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L573''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L404 ceAbstractionStarter]: At program point merge_pairENTRY(lines 573 583) the Hoare annotation is: true [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L578'(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L577''(line 577) no Hoare annotation was computed. [2018-01-21 03:32:48,731 INFO L401 ceAbstractionStarter]: For program point L573''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L573''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L573(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L573'''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L404 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: true [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L577(lines 577 582) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L578'''''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L578'''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,732 INFO L401 ceAbstractionStarter]: For program point L577''''(line 577) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L577''''''''(lines 577 582) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L573'''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L573'''''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point merge_pairErr0EnsuresViolation(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L573'''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L578''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L573'''''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L573''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,733 INFO L401 ceAbstractionStarter]: For program point L578''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L578'''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L578'''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L578''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L573''''''''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L573'''''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point merge_pairEXIT(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L578''''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,734 INFO L401 ceAbstractionStarter]: For program point L578'''''''''''''(line 578) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point L577'(line 577) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point L573''''(lines 573 583) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point L577''''''(line 577) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point L570(line 570) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point L570'(line 570) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point merge_single_nodeFINAL(lines 564 572) no Hoare annotation was computed. [2018-01-21 03:32:48,735 INFO L401 ceAbstractionStarter]: For program point merge_single_nodeErr0EnsuresViolation(lines 564 572) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point merge_single_nodeEXIT(lines 564 572) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L404 ceAbstractionStarter]: At program point merge_single_nodeENTRY(lines 564 572) the Hoare annotation is: true [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L567'(line 567) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L568'(line 568) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L569'(line 569) no Hoare annotation was computed. [2018-01-21 03:32:48,736 INFO L401 ceAbstractionStarter]: For program point L568''(line 568) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point L595'(line 595) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point L594'''(line 594) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point L597'(line 597) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point L589(lines 589 593) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point seq_sort_coreErr0EnsuresViolation(lines 584 601) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point L587(lines 587 599) no Hoare annotation was computed. [2018-01-21 03:32:48,737 INFO L404 ceAbstractionStarter]: At program point L594''(line 594) the Hoare annotation is: true [2018-01-21 03:32:48,737 INFO L401 ceAbstractionStarter]: For program point seq_sort_coreEXIT(lines 584 601) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point seq_sort_coreFINAL(lines 584 601) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L404 ceAbstractionStarter]: At program point L598'(line 598) the Hoare annotation is: true [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point L588'(line 588) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point L590'(line 590) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point L594'(line 594) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2018-01-21 03:32:48,738 INFO L401 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-01-21 03:32:48,739 INFO L404 ceAbstractionStarter]: At program point seq_sort_coreENTRY(lines 584 601) the Hoare annotation is: true [2018-01-21 03:32:48,739 INFO L401 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2018-01-21 03:32:48,739 INFO L401 ceAbstractionStarter]: For program point L598(line 598) no Hoare annotation was computed. [2018-01-21 03:32:48,739 INFO L401 ceAbstractionStarter]: For program point L587''(lines 587 599) no Hoare annotation was computed. [2018-01-21 03:32:48,739 INFO L401 ceAbstractionStarter]: For program point L609'''''''(line 609) no Hoare annotation was computed. [2018-01-21 03:32:48,739 INFO L404 ceAbstractionStarter]: At program point inspect_beforeENTRY(lines 602 615) the Hoare annotation is: true [2018-01-21 03:32:48,739 INFO L404 ceAbstractionStarter]: At program point L611'(line 611) the Hoare annotation is: true [2018-01-21 03:32:48,739 INFO L401 ceAbstractionStarter]: For program point L607'(line 607) no Hoare annotation was computed. [2018-01-21 03:32:48,739 INFO L401 ceAbstractionStarter]: For program point L609'''''(line 609) no Hoare annotation was computed. [2018-01-21 03:32:48,740 INFO L401 ceAbstractionStarter]: For program point L613''''(line 613) no Hoare annotation was computed. [2018-01-21 03:32:48,740 INFO L401 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2018-01-21 03:32:48,740 INFO L401 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-01-21 03:32:48,740 INFO L401 ceAbstractionStarter]: For program point L611'''''(line 611) no Hoare annotation was computed. [2018-01-21 03:32:48,740 INFO L404 ceAbstractionStarter]: At program point L613''(line 613) the Hoare annotation is: true [2018-01-21 03:32:48,740 INFO L404 ceAbstractionStarter]: At program point L606'''''(line 606) the Hoare annotation is: true [2018-01-21 03:32:48,740 INFO L404 ceAbstractionStarter]: At program point L607''(line 607) the Hoare annotation is: true [2018-01-21 03:32:48,740 INFO L401 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2018-01-21 03:32:48,740 INFO L401 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-01-21 03:32:48,741 INFO L401 ceAbstractionStarter]: For program point L612'(line 612) no Hoare annotation was computed. [2018-01-21 03:32:48,741 INFO L401 ceAbstractionStarter]: For program point L608'(line 608) no Hoare annotation was computed. [2018-01-21 03:32:48,741 INFO L404 ceAbstractionStarter]: At program point L609'''(line 609) the Hoare annotation is: true [2018-01-21 03:32:48,741 INFO L401 ceAbstractionStarter]: For program point L605'(line 605) no Hoare annotation was computed. [2018-01-21 03:32:48,741 INFO L404 ceAbstractionStarter]: At program point L614'''(line 614) the Hoare annotation is: true [2018-01-21 03:32:48,741 INFO L401 ceAbstractionStarter]: For program point L613''''''(line 613) no Hoare annotation was computed. [2018-01-21 03:32:48,741 INFO L401 ceAbstractionStarter]: For program point L607''''(line 607) no Hoare annotation was computed. [2018-01-21 03:32:48,741 INFO L401 ceAbstractionStarter]: For program point L607''''''(line 607) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L605''''(line 605) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L606'''(line 606) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L614''(line 614) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L612''''''(line 612) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L605'''''(lines 605 610) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L404 ceAbstractionStarter]: At program point L606'(line 606) the Hoare annotation is: true [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point inspect_beforeErr0EnsuresViolation(lines 602 615) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L608''''''(line 608) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L612''''(line 612) no Hoare annotation was computed. [2018-01-21 03:32:48,742 INFO L401 ceAbstractionStarter]: For program point L614''''''''(line 614) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L604'''(line 604) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L609''(line 609) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L614'''''(line 614) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L404 ceAbstractionStarter]: At program point L604'(line 604) the Hoare annotation is: true [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L611'''(line 611) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L605'''(lines 605 610) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L608''''(line 608) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L614'''''''(line 614) no Hoare annotation was computed. [2018-01-21 03:32:48,743 INFO L401 ceAbstractionStarter]: For program point L605(line 605) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L604(line 604) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L608(line 608) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L607(line 607) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L606(line 606) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L613'(line 613) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L404 ceAbstractionStarter]: At program point L604'''''(line 604) the Hoare annotation is: true [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point L609'(line 609) no Hoare annotation was computed. [2018-01-21 03:32:48,744 INFO L401 ceAbstractionStarter]: For program point inspect_beforeEXIT(lines 602 615) no Hoare annotation was computed. [2018-01-21 03:32:48,745 INFO L404 ceAbstractionStarter]: At program point L612''(line 612) the Hoare annotation is: true [2018-01-21 03:32:48,745 INFO L404 ceAbstractionStarter]: At program point L608''(line 608) the Hoare annotation is: true [2018-01-21 03:32:48,745 INFO L401 ceAbstractionStarter]: For program point L614'(line 614) no Hoare annotation was computed. [2018-01-21 03:32:48,749 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 655) the Hoare annotation is: true [2018-01-21 03:32:48,749 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 655) no Hoare annotation was computed. [2018-01-21 03:32:48,749 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 655) the Hoare annotation is: true [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startErr0EnsuresViolation(lines 1 655) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 655) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L650'(line 650) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L649'''(lines 649 653) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L628(lines 628 640) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L628''''(lines 628 640) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L651(line 651) no Hoare annotation was computed. [2018-01-21 03:32:48,750 INFO L401 ceAbstractionStarter]: For program point L630''(lines 630 631) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L401 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 625 655) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L401 ceAbstractionStarter]: For program point L651'(line 651) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 625 655) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L404 ceAbstractionStarter]: At program point mainENTRY(lines 625 655) the Hoare annotation is: true [2018-01-21 03:32:48,751 INFO L401 ceAbstractionStarter]: For program point L644'(line 644) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L404 ceAbstractionStarter]: At program point L644''''(lines 644 645) the Hoare annotation is: true [2018-01-21 03:32:48,751 INFO L401 ceAbstractionStarter]: For program point L628'(lines 628 640) no Hoare annotation was computed. [2018-01-21 03:32:48,751 INFO L404 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: true [2018-01-21 03:32:48,752 INFO L401 ceAbstractionStarter]: For program point L644(lines 644 645) no Hoare annotation was computed. [2018-01-21 03:32:48,752 INFO L404 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: true [2018-01-21 03:32:48,752 INFO L401 ceAbstractionStarter]: For program point L649(lines 649 653) no Hoare annotation was computed. [2018-01-21 03:32:48,752 INFO L401 ceAbstractionStarter]: For program point L648(line 648) no Hoare annotation was computed. [2018-01-21 03:32:48,752 INFO L404 ceAbstractionStarter]: At program point L628'''(lines 628 640) the Hoare annotation is: true [2018-01-21 03:32:48,752 INFO L401 ceAbstractionStarter]: For program point L647(line 647) no Hoare annotation was computed. [2018-01-21 03:32:48,752 INFO L404 ceAbstractionStarter]: At program point L649''(lines 649 653) the Hoare annotation is: true [2018-01-21 03:32:48,752 INFO L401 ceAbstractionStarter]: For program point L646(line 646) no Hoare annotation was computed. [2018-01-21 03:32:48,752 INFO L401 ceAbstractionStarter]: For program point L645'(line 645) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L633'(line 633) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 625 655) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L630(lines 630 631) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L633(line 633) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L404 ceAbstractionStarter]: At program point L644'''(lines 644 645) the Hoare annotation is: true [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-21 03:32:48,753 INFO L401 ceAbstractionStarter]: For program point L638(line 638) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L635''(lines 635 636) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L635(lines 635 636) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L634'(line 634) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L623'''''''(line 623) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L622(line 622) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L622'''(line 622) no Hoare annotation was computed. [2018-01-21 03:32:48,754 INFO L401 ceAbstractionStarter]: For program point L620(line 620) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L404 ceAbstractionStarter]: At program point L623''(line 623) the Hoare annotation is: true [2018-01-21 03:32:48,755 INFO L404 ceAbstractionStarter]: At program point L622'''''''(line 622) the Hoare annotation is: true [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L620'''''''(line 620) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L623'(line 623) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L620''''(line 620) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L619'(line 619) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L622'''''(line 622) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L619(line 619) no Hoare annotation was computed. [2018-01-21 03:32:48,755 INFO L401 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L404 ceAbstractionStarter]: At program point L619''(line 619) the Hoare annotation is: true [2018-01-21 03:32:48,756 INFO L401 ceAbstractionStarter]: For program point L620'(line 620) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L401 ceAbstractionStarter]: For program point L622''''''(line 622) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L404 ceAbstractionStarter]: At program point L620''(line 620) the Hoare annotation is: true [2018-01-21 03:32:48,756 INFO L401 ceAbstractionStarter]: For program point L622''(line 622) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L404 ceAbstractionStarter]: At program point inspect_afterENTRY(lines 616 624) the Hoare annotation is: true [2018-01-21 03:32:48,756 INFO L401 ceAbstractionStarter]: For program point L623''''''(line 623) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L401 ceAbstractionStarter]: For program point inspect_afterErr0EnsuresViolation(lines 616 624) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L401 ceAbstractionStarter]: For program point L618'''(line 618) no Hoare annotation was computed. [2018-01-21 03:32:48,756 INFO L404 ceAbstractionStarter]: At program point L618'''''(line 618) the Hoare annotation is: true [2018-01-21 03:32:48,757 INFO L401 ceAbstractionStarter]: For program point L619''''''(line 619) no Hoare annotation was computed. [2018-01-21 03:32:48,757 INFO L401 ceAbstractionStarter]: For program point L619''''(line 619) no Hoare annotation was computed. [2018-01-21 03:32:48,757 INFO L401 ceAbstractionStarter]: For program point L620''''''(line 620) no Hoare annotation was computed. [2018-01-21 03:32:48,757 INFO L401 ceAbstractionStarter]: For program point L622'(line 622) no Hoare annotation was computed. [2018-01-21 03:32:48,757 INFO L401 ceAbstractionStarter]: For program point L623''''(line 623) no Hoare annotation was computed. [2018-01-21 03:32:48,757 INFO L401 ceAbstractionStarter]: For program point inspect_afterEXIT(lines 616 624) no Hoare annotation was computed. [2018-01-21 03:32:48,757 INFO L404 ceAbstractionStarter]: At program point L618'(line 618) the Hoare annotation is: true [2018-01-21 03:32:48,763 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:32:48,763 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:32:48,763 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:32:48,763 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:32:48,763 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:32:48,763 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:32:48,764 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:32:48,764 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-21 03:32:48,764 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:32:48,768 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:32:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-21 03:32:48,770 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:48,770 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-21 03:32:48,770 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-21 03:32:48,771 INFO L82 PathProgramCache]: Analyzing trace with hash 563166, now seen corresponding path program 1 times [2018-01-21 03:32:48,771 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:48,772 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:48,772 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:48,772 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:48,772 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:32:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-21 03:32:48,807 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-21 03:32:48,811 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-21 03:32:48,819 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:32:48,819 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:32:48,819 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:32:48,819 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:32:48,819 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:32:48,819 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:32:48,819 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:32:48,820 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == merge_pairErr0EnsuresViolation======== [2018-01-21 03:32:48,820 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:32:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:32:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-01-21 03:32:48,828 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:48,828 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 03:32:48,828 INFO L371 AbstractCegarLoop]: === Iteration 1 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 03:32:48,828 INFO L82 PathProgramCache]: Analyzing trace with hash -2032860850, now seen corresponding path program 1 times [2018-01-21 03:32:48,829 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:48,830 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:48,830 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:48,830 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:48,830 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:48,852 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:48,889 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 03:32:48,889 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:32:48,889 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-21 03:32:48,890 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:32:48,895 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-21 03:32:48,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-21 03:32:48,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-21 03:32:48,896 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 2 states. [2018-01-21 03:32:48,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:32:48,935 INFO L93 Difference]: Finished difference Result 417 states and 571 transitions. [2018-01-21 03:32:48,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-21 03:32:48,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 53 [2018-01-21 03:32:48,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:32:48,944 INFO L225 Difference]: With dead ends: 417 [2018-01-21 03:32:48,944 INFO L226 Difference]: Without dead ends: 150 [2018-01-21 03:32:48,946 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 03:32:48,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-01-21 03:32:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-01-21 03:32:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-01-21 03:32:48,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 160 transitions. [2018-01-21 03:32:48,977 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 160 transitions. Word has length 53 [2018-01-21 03:32:48,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:32:48,977 INFO L432 AbstractCegarLoop]: Abstraction has 150 states and 160 transitions. [2018-01-21 03:32:48,978 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-21 03:32:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 160 transitions. [2018-01-21 03:32:48,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-01-21 03:32:48,981 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:48,981 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 03:32:48,981 INFO L371 AbstractCegarLoop]: === Iteration 2 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 03:32:48,981 INFO L82 PathProgramCache]: Analyzing trace with hash -493560614, now seen corresponding path program 1 times [2018-01-21 03:32:48,981 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:48,983 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:48,983 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:48,983 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:48,983 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:49,015 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:49,127 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 03:32:49,128 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:32:49,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-21 03:32:49,128 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:32:49,130 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:32:49,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:32:49,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:32:49,131 INFO L87 Difference]: Start difference. First operand 150 states and 160 transitions. Second operand 3 states. [2018-01-21 03:32:49,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:32:49,221 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions. [2018-01-21 03:32:49,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:32:49,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2018-01-21 03:32:49,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:32:49,229 INFO L225 Difference]: With dead ends: 294 [2018-01-21 03:32:49,231 INFO L226 Difference]: Without dead ends: 166 [2018-01-21 03:32:49,233 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 03:32:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-01-21 03:32:49,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 153. [2018-01-21 03:32:49,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-01-21 03:32:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2018-01-21 03:32:49,254 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 75 [2018-01-21 03:32:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:32:49,254 INFO L432 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2018-01-21 03:32:49,254 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:32:49,255 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2018-01-21 03:32:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-01-21 03:32:49,260 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:49,260 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 03:32:49,260 INFO L371 AbstractCegarLoop]: === Iteration 3 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 03:32:49,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1476607212, now seen corresponding path program 1 times [2018-01-21 03:32:49,260 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:49,261 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:49,262 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:49,262 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:49,262 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:49,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:49,341 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:49,448 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 03:32:49,449 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:32:49,449 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-21 03:32:49,449 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:32:49,449 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-21 03:32:49,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-21 03:32:49,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-21 03:32:49,450 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand 3 states. [2018-01-21 03:32:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:32:49,487 INFO L93 Difference]: Finished difference Result 237 states and 258 transitions. [2018-01-21 03:32:49,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-21 03:32:49,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2018-01-21 03:32:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:32:49,490 INFO L225 Difference]: With dead ends: 237 [2018-01-21 03:32:49,490 INFO L226 Difference]: Without dead ends: 154 [2018-01-21 03:32:49,491 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 03:32:49,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-01-21 03:32:49,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-01-21 03:32:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-01-21 03:32:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 164 transitions. [2018-01-21 03:32:49,502 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 164 transitions. Word has length 91 [2018-01-21 03:32:49,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:32:49,502 INFO L432 AbstractCegarLoop]: Abstraction has 154 states and 164 transitions. [2018-01-21 03:32:49,502 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-21 03:32:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 164 transitions. [2018-01-21 03:32:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-01-21 03:32:49,504 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:49,505 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 03:32:49,505 INFO L371 AbstractCegarLoop]: === Iteration 4 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 03:32:49,505 INFO L82 PathProgramCache]: Analyzing trace with hash 754057391, now seen corresponding path program 1 times [2018-01-21 03:32:49,505 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:49,506 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:49,506 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:49,506 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:49,506 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:49,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:50,234 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 03:32:50,235 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:32:50,235 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2018-01-21 03:32:50,235 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:32:50,235 INFO L409 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-01-21 03:32:50,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-01-21 03:32:50,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2018-01-21 03:32:50,236 INFO L87 Difference]: Start difference. First operand 154 states and 164 transitions. Second operand 17 states. [2018-01-21 03:32:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:32:51,767 INFO L93 Difference]: Finished difference Result 370 states and 407 transitions. [2018-01-21 03:32:51,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-01-21 03:32:51,767 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 93 [2018-01-21 03:32:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:32:51,770 INFO L225 Difference]: With dead ends: 370 [2018-01-21 03:32:51,770 INFO L226 Difference]: Without dead ends: 286 [2018-01-21 03:32:51,771 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=125, Invalid=687, Unknown=0, NotChecked=0, Total=812 [2018-01-21 03:32:51,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-01-21 03:32:51,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 221. [2018-01-21 03:32:51,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-01-21 03:32:51,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 242 transitions. [2018-01-21 03:32:51,793 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 242 transitions. Word has length 93 [2018-01-21 03:32:51,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:32:51,793 INFO L432 AbstractCegarLoop]: Abstraction has 221 states and 242 transitions. [2018-01-21 03:32:51,794 INFO L433 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-01-21 03:32:51,794 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 242 transitions. [2018-01-21 03:32:51,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-01-21 03:32:51,797 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:51,797 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 03:32:51,797 INFO L371 AbstractCegarLoop]: === Iteration 5 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 03:32:51,798 INFO L82 PathProgramCache]: Analyzing trace with hash -514708738, now seen corresponding path program 1 times [2018-01-21 03:32:51,798 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:51,799 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:51,799 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:51,799 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:51,799 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:51,836 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:52,016 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 03:32:52,016 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-21 03:32:52,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-21 03:32:52,016 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 03:32:52,017 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-21 03:32:52,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-21 03:32:52,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-21 03:32:52,017 INFO L87 Difference]: Start difference. First operand 221 states and 242 transitions. Second operand 7 states. [2018-01-21 03:32:52,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 03:32:52,161 INFO L93 Difference]: Finished difference Result 343 states and 375 transitions. [2018-01-21 03:32:52,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-21 03:32:52,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 104 [2018-01-21 03:32:52,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 03:32:52,165 INFO L225 Difference]: With dead ends: 343 [2018-01-21 03:32:52,165 INFO L226 Difference]: Without dead ends: 256 [2018-01-21 03:32:52,166 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-01-21 03:32:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-01-21 03:32:52,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 231. [2018-01-21 03:32:52,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-01-21 03:32:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 253 transitions. [2018-01-21 03:32:52,189 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 253 transitions. Word has length 104 [2018-01-21 03:32:52,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 03:32:52,190 INFO L432 AbstractCegarLoop]: Abstraction has 231 states and 253 transitions. [2018-01-21 03:32:52,190 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-21 03:32:52,190 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 253 transitions. [2018-01-21 03:32:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-01-21 03:32:52,192 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 03:32:52,192 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 03:32:52,192 INFO L371 AbstractCegarLoop]: === Iteration 6 === [merge_pairErr0EnsuresViolation]=== [2018-01-21 03:32:52,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1958389758, now seen corresponding path program 1 times [2018-01-21 03:32:52,193 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 03:32:52,194 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:52,194 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:32:52,194 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 03:32:52,194 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 03:32:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:32:52,242 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 03:32:53,288 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 03:32:53,288 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 03:32:53,289 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 03:32:53,289 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-01-21 03:32:53,291 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 03:32:53,355 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 03:32:53,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) Received shutdown request... [2018-01-21 03:33:50,601 WARN L571 FixpointEngine]: Received timeout, aborting fixpoint engine [2018-01-21 03:33:50,601 WARN L157 AbstractInterpreter]: Abstract interpretation run out of time [2018-01-21 03:33:50,602 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-01-21 03:33:50,602 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 03:33:50,602 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 03:33:50,621 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 03:33:50,621 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-21 03:33:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 03:33:50,729 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-21 03:33:50,743 INFO L175 TraceCheckSpWp]: Timeout while computing interpolants [2018-01-21 03:33:50,744 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,746 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:33:50,746 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:33:50,746 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:33:50,747 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:33:50,747 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:33:50,747 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:33:50,747 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:33:50,747 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == merge_single_nodeErr0EnsuresViolation======== [2018-01-21 03:33:50,747 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:33:50,749 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:33:50,749 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,750 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:33:50,751 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:33:50,751 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:33:50,751 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:33:50,751 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:33:50,751 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:33:50,751 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:33:50,751 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == seq_sort_coreErr0EnsuresViolation======== [2018-01-21 03:33:50,751 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:33:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:33:50,753 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,754 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:33:50,754 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:33:50,754 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:33:50,754 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:33:50,754 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:33:50,754 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:33:50,754 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:33:50,754 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == inspect_beforeErr0EnsuresViolation======== [2018-01-21 03:33:50,754 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:33:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:33:50,756 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,756 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:33:50,757 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:33:50,757 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:33:50,757 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:33:50,757 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:33:50,757 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:33:50,757 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:33:50,757 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-21 03:33:50,757 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:33:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:33:50,759 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,760 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:33:50,760 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:33:50,760 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:33:50,760 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:33:50,761 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:33:50,761 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:33:50,761 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:33:50,761 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-21 03:33:50,761 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:33:50,763 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:33:50,763 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,764 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 03:33:50,764 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 03:33:50,764 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 03:33:50,765 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 03:33:50,765 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 03:33:50,765 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 03:33:50,765 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 03:33:50,765 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == inspect_afterErr0EnsuresViolation======== [2018-01-21 03:33:50,765 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 03:33:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-01-21 03:33:50,766 WARN L491 AbstractCegarLoop]: Verification canceled [2018-01-21 03:33:50,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.01 03:33:50 BoogieIcfgContainer [2018-01-21 03:33:50,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-21 03:33:50,768 INFO L168 Benchmark]: Toolchain (without parser) took 64883.91 ms. Allocated memory was 305.7 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 264.0 MB in the beginning and 503.9 MB in the end (delta: -239.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 5.3 GB. [2018-01-21 03:33:50,770 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 305.7 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 03:33:50,770 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.51 ms. Allocated memory is still 305.7 MB. Free memory was 263.0 MB in the beginning and 250.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. [2018-01-21 03:33:50,771 INFO L168 Benchmark]: Boogie Preprocessor took 62.12 ms. Allocated memory is still 305.7 MB. Free memory was 250.8 MB in the beginning and 248.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 03:33:50,771 INFO L168 Benchmark]: RCFGBuilder took 1381.49 ms. Allocated memory is still 305.7 MB. Free memory was 248.9 MB in the beginning and 197.8 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 5.3 GB. [2018-01-21 03:33:50,771 INFO L168 Benchmark]: TraceAbstraction took 63104.65 ms. Allocated memory was 305.7 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 197.8 MB in the beginning and 503.9 MB in the end (delta: -306.1 MB). Peak memory consumption was 1.5 GB. Max. memory is 5.3 GB. [2018-01-21 03:33:50,774 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 305.7 MB. Free memory is still 269.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 326.51 ms. Allocated memory is still 305.7 MB. Free memory was 263.0 MB in the beginning and 250.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 62.12 ms. Allocated memory is still 305.7 MB. Free memory was 250.8 MB in the beginning and 248.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 1381.49 ms. Allocated memory is still 305.7 MB. Free memory was 248.9 MB in the beginning and 197.8 MB in the end (delta: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 63104.65 ms. Allocated memory was 305.7 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 197.8 MB in the beginning and 503.9 MB in the end (delta: -306.1 MB). Peak memory consumption was 1.5 GB. 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, 0.9s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s 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, 0.2s 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, 61.9s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 840 SDtfs, 405 SDslu, 2456 SDs, 0 SdLazy, 933 SolverSat, 85 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.0s 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, 57.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 103 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s 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_mostprecise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-5-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-6-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-7-2018-01-21_03-33-50-786.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_mostprecise.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-8-2018-01-21_03-33-50-786.csv Completed graceful shutdown