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/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 23:14:51,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 23:14:51,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 23:14:51,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 23:14:51,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 23:14:51,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 23:14:51,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 23:14:51,346 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 23:14:51,348 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 23:14:51,349 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 23:14:51,350 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 23:14:51,350 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 23:14:51,351 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 23:14:51,352 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 23:14:51,353 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 23:14:51,355 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 23:14:51,358 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 23:14:51,360 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 23:14:51,361 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 23:14:51,362 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 23:14:51,364 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-29 23:14:51,369 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 23:14:51,370 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 23:14:51,370 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 [2018-01-29 23:14:51,379 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 23:14:51,379 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 23:14:51,380 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 23:14:51,380 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 23:14:51,380 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 23:14:51,380 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 23:14:51,380 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 23:14:51,381 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 23:14:51,381 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 23:14:51,381 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 23:14:51,381 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 23:14:51,381 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 23:14:51,381 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 23:14:51,381 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 23:14:51,382 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 23:14:51,382 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 23:14:51,383 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 23:14:51,383 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 23:14:51,383 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 23:14:51,383 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 23:14:51,383 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 23:14:51,384 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 23:14:51,384 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 23:14:51,384 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 23:14:51,384 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 23:14:51,384 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 23:14:51,385 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 23:14:51,385 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 23:14:51,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 23:14:51,427 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 23:14:51,431 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 23:14:51,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 23:14:51,432 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 23:14:51,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-01-29 23:14:51,584 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 23:14:51,590 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 23:14:51,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 23:14:51,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 23:14:51,596 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 23:14:51,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5802910f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51, skipping insertion in model container [2018-01-29 23:14:51,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,613 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 23:14:51,652 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 23:14:51,765 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 23:14:51,781 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 23:14:51,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51 WrapperNode [2018-01-29 23:14:51,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 23:14:51,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 23:14:51,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 23:14:51,792 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 23:14:51,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (1/1) ... [2018-01-29 23:14:51,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 23:14:51,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 23:14:51,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 23:14:51,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 23:14:51,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (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 [2018-01-29 23:14:51,869 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 23:14:51,869 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 23:14:51,869 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 23:14:51,869 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 23:14:51,870 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 23:14:51,871 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 23:14:52,023 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 23:14:52,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:14:52 BoogieIcfgContainer [2018-01-29 23:14:52,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 23:14:52,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 23:14:52,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 23:14:52,027 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 23:14:52,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 11:14:51" (1/3) ... [2018-01-29 23:14:52,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35659624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:14:52, skipping insertion in model container [2018-01-29 23:14:52,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 11:14:51" (2/3) ... [2018-01-29 23:14:52,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35659624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 11:14:52, skipping insertion in model container [2018-01-29 23:14:52,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 11:14:52" (3/3) ... [2018-01-29 23:14:52,030 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2018-01-29 23:14:52,036 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 23:14:52,041 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-01-29 23:14:52,084 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 23:14:52,084 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 23:14:52,084 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 23:14:52,084 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 23:14:52,084 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 23:14:52,084 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 23:14:52,084 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 23:14:52,085 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 23:14:52,085 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 23:14:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-01-29 23:14:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-29 23:14:52,104 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:14:52,105 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:14:52,105 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-29 23:14:52,109 INFO L82 PathProgramCache]: Analyzing trace with hash 1024847903, now seen corresponding path program 1 times [2018-01-29 23:14:52,111 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:14:52,111 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:14:52,161 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,162 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:14:52,162 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:14:52,225 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:14:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:14:52,312 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:14:52,312 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-29 23:14:52,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-29 23:14:52,324 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-29 23:14:52,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-29 23:14:52,326 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states. [2018-01-29 23:14:52,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:14:52,415 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-01-29 23:14:52,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-29 23:14:52,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-01-29 23:14:52,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:14:52,485 INFO L225 Difference]: With dead ends: 29 [2018-01-29 23:14:52,485 INFO L226 Difference]: Without dead ends: 23 [2018-01-29 23:14:52,488 INFO L553 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 [2018-01-29 23:14:52,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-01-29 23:14:52,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-01-29 23:14:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-01-29 23:14:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 22 transitions. [2018-01-29 23:14:52,605 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 22 transitions. Word has length 9 [2018-01-29 23:14:52,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:14:52,606 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 22 transitions. [2018-01-29 23:14:52,606 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-29 23:14:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 22 transitions. [2018-01-29 23:14:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-29 23:14:52,606 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:14:52,606 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:14:52,607 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-29 23:14:52,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1024847904, now seen corresponding path program 1 times [2018-01-29 23:14:52,607 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:14:52,607 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:14:52,608 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,608 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:14:52,608 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:14:52,625 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:14:52,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:14:52,698 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:14:52,698 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 23:14:52,700 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 23:14:52,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 23:14:52,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-29 23:14:52,700 INFO L87 Difference]: Start difference. First operand 23 states and 22 transitions. Second operand 4 states. [2018-01-29 23:14:52,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:14:52,744 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-01-29 23:14:52,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-29 23:14:52,744 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-29 23:14:52,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:14:52,745 INFO L225 Difference]: With dead ends: 23 [2018-01-29 23:14:52,745 INFO L226 Difference]: Without dead ends: 20 [2018-01-29 23:14:52,746 INFO L553 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 [2018-01-29 23:14:52,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-01-29 23:14:52,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-01-29 23:14:52,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-01-29 23:14:52,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-01-29 23:14:52,750 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 9 [2018-01-29 23:14:52,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:14:52,750 INFO L432 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-01-29 23:14:52,750 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 23:14:52,750 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-01-29 23:14:52,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-29 23:14:52,751 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:14:52,751 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:14:52,751 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-29 23:14:52,751 INFO L82 PathProgramCache]: Analyzing trace with hash -1678647759, now seen corresponding path program 1 times [2018-01-29 23:14:52,751 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:14:52,751 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:14:52,752 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,753 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:14:52,753 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:14:52,770 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:14:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:14:52,838 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:14:52,839 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-29 23:14:52,839 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-29 23:14:52,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-29 23:14:52,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-29 23:14:52,840 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 5 states. [2018-01-29 23:14:52,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:14:52,885 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-01-29 23:14:52,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 23:14:52,886 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-29 23:14:52,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:14:52,886 INFO L225 Difference]: With dead ends: 20 [2018-01-29 23:14:52,886 INFO L226 Difference]: Without dead ends: 19 [2018-01-29 23:14:52,887 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-29 23:14:52,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-01-29 23:14:52,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-01-29 23:14:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-01-29 23:14:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2018-01-29 23:14:52,890 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 12 [2018-01-29 23:14:52,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:14:52,890 INFO L432 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2018-01-29 23:14:52,890 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-29 23:14:52,890 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2018-01-29 23:14:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-01-29 23:14:52,891 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:14:52,891 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:14:52,891 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-29 23:14:52,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1678647758, now seen corresponding path program 1 times [2018-01-29 23:14:52,892 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:14:52,892 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:14:52,892 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,893 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:14:52,893 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:14:52,907 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:14:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:14:52,962 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:14:52,962 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-29 23:14:52,962 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-29 23:14:52,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-29 23:14:52,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-29 23:14:52,963 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 5 states. [2018-01-29 23:14:53,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:14:53,069 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2018-01-29 23:14:53,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 23:14:53,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2018-01-29 23:14:53,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:14:53,070 INFO L225 Difference]: With dead ends: 19 [2018-01-29 23:14:53,070 INFO L226 Difference]: Without dead ends: 18 [2018-01-29 23:14:53,071 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-29 23:14:53,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-01-29 23:14:53,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-01-29 23:14:53,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-01-29 23:14:53,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-01-29 23:14:53,074 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 12 [2018-01-29 23:14:53,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:14:53,074 INFO L432 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-01-29 23:14:53,074 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-29 23:14:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-01-29 23:14:53,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-29 23:14:53,075 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 23:14:53,075 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 23:14:53,076 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-01-29 23:14:53,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1502951207, now seen corresponding path program 1 times [2018-01-29 23:14:53,076 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 23:14:53,076 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 23:14:53,077 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:53,077 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 23:14:53,077 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 23:14:53,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 23:14:53,094 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 23:14:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 23:14:53,353 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 23:14:53,353 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-29 23:14:53,353 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-29 23:14:53,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-29 23:14:53,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-29 23:14:53,354 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 8 states. [2018-01-29 23:14:53,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 23:14:53,594 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-01-29 23:14:53,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-29 23:14:53,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 17 [2018-01-29 23:14:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 23:14:53,595 INFO L225 Difference]: With dead ends: 18 [2018-01-29 23:14:53,595 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 23:14:53,596 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-01-29 23:14:53,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 23:14:53,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 23:14:53,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 23:14:53,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 23:14:53,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-29 23:14:53,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 23:14:53,597 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 23:14:53,597 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-29 23:14:53,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 23:14:53,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 23:14:53,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 23:14:53,625 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,625 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,626 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 23:14:53,626 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,626 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 633) the Hoare annotation is: true [2018-01-29 23:14:53,626 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,626 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 633) the Hoare annotation is: true [2018-01-29 23:14:53,626 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,626 INFO L399 ceAbstractionStarter]: For program point mainErr1RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainErr3RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainErr8EnsuresViolation(lines 619 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainErr6RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 619 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainErr4RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point L621''(lines 621 628) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point L621(lines 621 628) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point L632(line 632) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainErr0RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,627 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 619 633) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 619 633) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point mainErr7RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point L629(line 629) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point mainErr2RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point mainErr5RequiresViolation(lines 1 633) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point L621'(lines 621 628) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point L631'(line 631) no Hoare annotation was computed. [2018-01-29 23:14:53,628 INFO L399 ceAbstractionStarter]: For program point L629'(line 629) no Hoare annotation was computed. [2018-01-29 23:14:53,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 11:14:53 BoogieIcfgContainer [2018-01-29 23:14:53,631 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 23:14:53,632 INFO L168 Benchmark]: Toolchain (without parser) took 2046.47 ms. Allocated memory was 294.1 MB in the beginning and 440.9 MB in the end (delta: 146.8 MB). Free memory was 254.1 MB in the beginning and 308.9 MB in the end (delta: -54.8 MB). Peak memory consumption was 92.0 MB. Max. memory is 5.3 GB. [2018-01-29 23:14:53,633 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 294.1 MB. Free memory is still 260.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 23:14:53,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.91 ms. Allocated memory is still 294.1 MB. Free memory was 253.1 MB in the beginning and 243.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-29 23:14:53,633 INFO L168 Benchmark]: Boogie Preprocessor took 29.24 ms. Allocated memory is still 294.1 MB. Free memory was 243.0 MB in the beginning and 242.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-29 23:14:53,633 INFO L168 Benchmark]: RCFGBuilder took 202.57 ms. Allocated memory is still 294.1 MB. Free memory was 242.0 MB in the beginning and 228.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 5.3 GB. [2018-01-29 23:14:53,634 INFO L168 Benchmark]: TraceAbstraction took 1606.81 ms. Allocated memory was 294.1 MB in the beginning and 440.9 MB in the end (delta: 146.8 MB). Free memory was 227.2 MB in the beginning and 308.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 65.0 MB. Max. memory is 5.3 GB. [2018-01-29 23:14:53,635 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 294.1 MB. Free memory is still 260.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 200.91 ms. Allocated memory is still 294.1 MB. Free memory was 253.1 MB in the beginning and 243.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.24 ms. Allocated memory is still 294.1 MB. Free memory was 243.0 MB in the beginning and 242.0 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 202.57 ms. Allocated memory is still 294.1 MB. Free memory was 242.0 MB in the beginning and 228.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1606.81 ms. Allocated memory was 294.1 MB in the beginning and 440.9 MB in the end (delta: 146.8 MB). Free memory was 227.2 MB in the beginning and 308.9 MB in the end (delta: -81.8 MB). Peak memory consumption was 65.0 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]: 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 - 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: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 29 locations, 9 error locations. SAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 62 SDtfs, 44 SDslu, 93 SDs, 0 SdLazy, 118 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 7 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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: 0.1s 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, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 3982 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_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_23-14-53-641.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_23-14-53-641.csv Received shutdown request...