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/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:11:25,459 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:11:25,460 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:11:25,474 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:11:25,475 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:11:25,476 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:11:25,477 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:11:25,479 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:11:25,481 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:11:25,481 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:11:25,482 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:11:25,482 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:11:25,483 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:11:25,484 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:11:25,520 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:11:25,522 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:11:25,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:11:25,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:11:25,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:11:25,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:11:25,530 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-28 22:11:25,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:11:25,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:11:25,536 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-28 22:11:25,545 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:11:25,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:11:25,546 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:11:25,547 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:11:25,547 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:11:25,547 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:11:25,547 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:11:25,548 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:11:25,548 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:11:25,548 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:11:25,549 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:11:25,549 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:11:25,549 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:11:25,549 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:11:25,549 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:11:25,550 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:11:25,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:11:25,550 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:11:25,550 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:11:25,550 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:11:25,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:11:25,551 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:11:25,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:11:25,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:11:25,551 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:11:25,552 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:11:25,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:11:25,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:11:25,552 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:11:25,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:11:25,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:11:25,553 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:11:25,554 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:11:25,554 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:11:25,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:11:25,601 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:11:25,605 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:11:25,607 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:11:25,607 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:11:25,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i [2018-01-28 22:11:25,774 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:11:25,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:11:25,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:11:25,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:11:25,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:11:25,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:25,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67bbc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25, skipping insertion in model container [2018-01-28 22:11:25,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:25,809 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:11:25,853 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:11:25,963 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:11:25,978 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:11:25,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25 WrapperNode [2018-01-28 22:11:25,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:11:25,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:11:25,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:11:25,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:11:25,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:25,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:26,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:26,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:26,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:26,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:26,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (1/1) ... [2018-01-28 22:11:26,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:11:26,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:11:26,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:11:26,019 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:11:26,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (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 [2018-01-28 22:11:26,072 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:11:26,073 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:11:26,073 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:11:26,073 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:11:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-28 22:11:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:11:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:11:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:11:26,074 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:11:26,277 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:11:26,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:11:26 BoogieIcfgContainer [2018-01-28 22:11:26,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:11:26,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:11:26,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:11:26,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:11:26,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:11:25" (1/3) ... [2018-01-28 22:11:26,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c12463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:11:26, skipping insertion in model container [2018-01-28 22:11:26,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:11:25" (2/3) ... [2018-01-28 22:11:26,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47c12463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:11:26, skipping insertion in model container [2018-01-28 22:11:26,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:11:26" (3/3) ... [2018-01-28 22:11:26,283 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_true-valid-memsafety_true-termination.i [2018-01-28 22:11:26,290 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:11:26,296 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-01-28 22:11:26,333 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:11:26,333 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:11:26,333 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:11:26,333 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:11:26,333 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:11:26,333 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:11:26,333 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:11:26,334 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:11:26,334 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:11:26,353 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-01-28 22:11:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-28 22:11:26,360 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:11:26,361 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:11:26,362 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-01-28 22:11:26,367 INFO L82 PathProgramCache]: Analyzing trace with hash -942213627, now seen corresponding path program 1 times [2018-01-28 22:11:26,369 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:11:26,370 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:11:26,411 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:26,411 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:11:26,411 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:11:26,468 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:11:26,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:11:26,568 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:11:26,569 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-28 22:11:26,570 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-28 22:11:26,581 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-28 22:11:26,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:11:26,583 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 3 states. [2018-01-28 22:11:26,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:11:26,740 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-01-28 22:11:26,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-28 22:11:26,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-01-28 22:11:26,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:11:26,749 INFO L225 Difference]: With dead ends: 45 [2018-01-28 22:11:26,749 INFO L226 Difference]: Without dead ends: 36 [2018-01-28 22:11:26,753 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:11:26,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-01-28 22:11:26,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-01-28 22:11:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-28 22:11:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-01-28 22:11:26,781 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 9 [2018-01-28 22:11:26,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:11:26,781 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-01-28 22:11:26,781 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-28 22:11:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-01-28 22:11:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-28 22:11:26,782 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:11:26,782 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:11:26,782 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-01-28 22:11:26,782 INFO L82 PathProgramCache]: Analyzing trace with hash -942213626, now seen corresponding path program 1 times [2018-01-28 22:11:26,782 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:11:26,783 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:11:26,783 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:26,784 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:11:26,784 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:11:26,802 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:11:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:11:26,859 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:11:26,859 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-28 22:11:26,861 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-28 22:11:26,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-28 22:11:26,861 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-28 22:11:26,862 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 4 states. [2018-01-28 22:11:26,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:11:26,954 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-01-28 22:11:26,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-28 22:11:26,954 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-28 22:11:26,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:11:26,955 INFO L225 Difference]: With dead ends: 36 [2018-01-28 22:11:26,955 INFO L226 Difference]: Without dead ends: 30 [2018-01-28 22:11:26,955 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-28 22:11:26,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-01-28 22:11:26,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-01-28 22:11:26,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-01-28 22:11:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-01-28 22:11:26,960 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 9 [2018-01-28 22:11:26,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:11:26,960 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-01-28 22:11:26,960 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-28 22:11:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-01-28 22:11:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-28 22:11:26,961 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:11:26,961 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:11:26,961 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-01-28 22:11:26,961 INFO L82 PathProgramCache]: Analyzing trace with hash 527701489, now seen corresponding path program 1 times [2018-01-28 22:11:26,962 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:11:26,962 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:11:26,963 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:26,963 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:11:26,963 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:11:26,984 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:11:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:11:27,061 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:11:27,061 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:11:27,062 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:11:27,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:11:27,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:11:27,062 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 5 states. [2018-01-28 22:11:27,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:11:27,181 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-01-28 22:11:27,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:11:27,181 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-28 22:11:27,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:11:27,182 INFO L225 Difference]: With dead ends: 30 [2018-01-28 22:11:27,183 INFO L226 Difference]: Without dead ends: 29 [2018-01-28 22:11:27,183 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:11:27,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-01-28 22:11:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-01-28 22:11:27,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-01-28 22:11:27,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-01-28 22:11:27,187 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 18 [2018-01-28 22:11:27,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:11:27,188 INFO L432 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-01-28 22:11:27,188 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:11:27,188 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-01-28 22:11:27,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-28 22:11:27,189 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:11:27,189 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:11:27,189 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-01-28 22:11:27,189 INFO L82 PathProgramCache]: Analyzing trace with hash 527701490, now seen corresponding path program 1 times [2018-01-28 22:11:27,189 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:11:27,190 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:11:27,191 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:27,191 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:11:27,191 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:11:27,208 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:11:27,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:11:27,261 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:11:27,261 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:11:27,262 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:11:27,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:11:27,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:11:27,262 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 5 states. [2018-01-28 22:11:27,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:11:27,333 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-01-28 22:11:27,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:11:27,333 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-01-28 22:11:27,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:11:27,334 INFO L225 Difference]: With dead ends: 29 [2018-01-28 22:11:27,334 INFO L226 Difference]: Without dead ends: 28 [2018-01-28 22:11:27,335 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:11:27,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-01-28 22:11:27,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-01-28 22:11:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-01-28 22:11:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-01-28 22:11:27,339 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 18 [2018-01-28 22:11:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:11:27,339 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-01-28 22:11:27,339 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:11:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-01-28 22:11:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-28 22:11:27,340 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:11:27,340 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:11:27,341 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-01-28 22:11:27,341 INFO L82 PathProgramCache]: Analyzing trace with hash -626847109, now seen corresponding path program 1 times [2018-01-28 22:11:27,341 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:11:27,341 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:11:27,342 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:27,342 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:11:27,342 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:11:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:11:27,361 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:11:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:11:27,583 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:11:27,583 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-28 22:11:27,583 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-28 22:11:27,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-28 22:11:27,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:11:27,584 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 8 states. [2018-01-28 22:11:27,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:11:27,893 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-01-28 22:11:27,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-28 22:11:27,893 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-01-28 22:11:27,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:11:27,894 INFO L225 Difference]: With dead ends: 28 [2018-01-28 22:11:27,894 INFO L226 Difference]: Without dead ends: 0 [2018-01-28 22:11:27,895 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-01-28 22:11:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-28 22:11:27,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-28 22:11:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-28 22:11:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-28 22:11:27,896 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2018-01-28 22:11:27,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:11:27,896 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-28 22:11:27,896 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-28 22:11:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-28 22:11:27,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-28 22:11:27,901 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-28 22:11:27,913 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,913 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,914 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 641) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:11:27,914 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,914 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 641) the Hoare annotation is: true [2018-01-28 22:11:27,914 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,914 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 641) the Hoare annotation is: true [2018-01-28 22:11:27,914 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,914 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,914 INFO L399 ceAbstractionStarter]: For program point L640(line 640) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point mainErr6RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point L630'(line 630) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point L622(lines 622 629) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point L622''(lines 622 629) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point mainErr2RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point mainErr9RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point mainErr5RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-28 22:11:27,915 INFO L399 ceAbstractionStarter]: For program point mainErr13RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point mainErr14EnsuresViolation(lines 620 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point L639'(line 639) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point mainErr3RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point mainErr11RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point mainErr8RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point L634(line 634) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 620 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point L631''(line 631) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point mainErr4RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,916 INFO L399 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point mainErr12RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point L636''(line 636) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 620 641) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 620 641) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point mainErr7RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point mainErr10RequiresViolation(lines 1 641) no Hoare annotation was computed. [2018-01-28 22:11:27,917 INFO L399 ceAbstractionStarter]: For program point L636'(line 636) no Hoare annotation was computed. [2018-01-28 22:11:27,918 INFO L399 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-01-28 22:11:27,918 INFO L399 ceAbstractionStarter]: For program point L634'(line 634) no Hoare annotation was computed. [2018-01-28 22:11:27,918 INFO L399 ceAbstractionStarter]: For program point L622'(lines 622 629) no Hoare annotation was computed. [2018-01-28 22:11:27,918 INFO L399 ceAbstractionStarter]: For program point L636'''(lines 636 638) no Hoare annotation was computed. [2018-01-28 22:11:27,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:11:27 BoogieIcfgContainer [2018-01-28 22:11:27,921 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:11:27,922 INFO L168 Benchmark]: Toolchain (without parser) took 2147.54 ms. Allocated memory was 306.7 MB in the beginning and 469.2 MB in the end (delta: 162.5 MB). Free memory was 266.6 MB in the beginning and 319.2 MB in the end (delta: -52.6 MB). Peak memory consumption was 110.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:11:27,923 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 306.7 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:11:27,923 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.10 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 255.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:11:27,923 INFO L168 Benchmark]: Boogie Preprocessor took 32.03 ms. Allocated memory is still 306.7 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:11:27,924 INFO L168 Benchmark]: RCFGBuilder took 259.06 ms. Allocated memory is still 306.7 MB. Free memory was 253.6 MB in the beginning and 236.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:11:27,924 INFO L168 Benchmark]: TraceAbstraction took 1643.27 ms. Allocated memory was 306.7 MB in the beginning and 469.2 MB in the end (delta: 162.5 MB). Free memory was 235.5 MB in the beginning and 319.2 MB in the end (delta: -83.6 MB). Peak memory consumption was 78.9 MB. Max. memory is 5.3 GB. [2018-01-28 22:11:27,926 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 306.7 MB. Free memory is still 272.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 204.10 ms. Allocated memory is still 306.7 MB. Free memory was 265.6 MB in the beginning and 255.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.03 ms. Allocated memory is still 306.7 MB. Free memory was 255.6 MB in the beginning and 253.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 259.06 ms. Allocated memory is still 306.7 MB. Free memory was 253.6 MB in the beginning and 236.5 MB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1643.27 ms. Allocated memory was 306.7 MB in the beginning and 469.2 MB in the end (delta: 162.5 MB). Free memory was 235.5 MB in the beginning and 319.2 MB in the end (delta: -83.6 MB). Peak memory consumption was 78.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 45 locations, 15 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 107 SDtfs, 113 SDslu, 147 SDs, 0 SdLazy, 154 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 8 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 10086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-11-27-936.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-11-27-936.csv Received shutdown request...