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/ldv-memsafety/memleaks_test3_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:43:29,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:43:29,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:43:29,568 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:43:29,569 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:43:29,570 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:43:29,571 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:43:29,573 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:43:29,575 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:43:29,575 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:43:29,576 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:43:29,576 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:43:29,577 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:43:29,578 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:43:29,578 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:43:29,581 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:43:29,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:43:29,585 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:43:29,586 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:43:29,588 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:43:29,590 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-28 22:43:29,595 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:43:29,596 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:43:29,596 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 22:43:29,606 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:43:29,606 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:43:29,607 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:43:29,607 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:43:29,608 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:43:29,608 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:43:29,608 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:43:29,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:43:29,609 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:43:29,609 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:43:29,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:43:29,610 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:43:29,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:43:29,610 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:43:29,610 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:43:29,610 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:43:29,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:43:29,611 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:43:29,611 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:43:29,611 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:43:29,611 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:43:29,612 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:43:29,612 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:43:29,612 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:43:29,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:43:29,612 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:43:29,613 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:43:29,613 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:43:29,613 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:43:29,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:43:29,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:43:29,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:43:29,614 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:43:29,614 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:43:29,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:43:29,663 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:43:29,667 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:43:29,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:43:29,669 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:43:29,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test3_true-valid-memsafety_true-termination.i [2018-01-28 22:43:29,843 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:43:29,851 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:43:29,852 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:43:29,852 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:43:29,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:43:29,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:43:29" (1/1) ... [2018-01-28 22:43:29,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca3c60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:29, skipping insertion in model container [2018-01-28 22:43:29,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:43:29" (1/1) ... [2018-01-28 22:43:29,881 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:43:29,932 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:43:30,044 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:43:30,057 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:43:30,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30 WrapperNode [2018-01-28 22:43:30,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:43:30,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:43:30,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:43:30,063 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:43:30,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (1/1) ... [2018-01-28 22:43:30,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:43:30,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:43:30,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:43:30,097 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:43:30,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (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 22:43:30,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:43:30,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:43:30,144 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-28 22:43:30,144 INFO L136 BoogieDeclarations]: Found implementation of procedure h_safe [2018-01-28 22:43:30,144 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-28 22:43:30,145 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:43:30,145 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:43:30,145 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:43:30,145 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:43:30,145 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:43:30,145 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-28 22:43:30,146 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:43:30,146 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-28 22:43:30,146 INFO L128 BoogieDeclarations]: Found specification of procedure h_safe [2018-01-28 22:43:30,146 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-28 22:43:30,146 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:43:30,146 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:43:30,147 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:43:30,294 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:43:30,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:43:30 BoogieIcfgContainer [2018-01-28 22:43:30,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:43:30,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:43:30,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:43:30,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:43:30,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:43:29" (1/3) ... [2018-01-28 22:43:30,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35276e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:43:30, skipping insertion in model container [2018-01-28 22:43:30,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:43:30" (2/3) ... [2018-01-28 22:43:30,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35276e9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:43:30, skipping insertion in model container [2018-01-28 22:43:30,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:43:30" (3/3) ... [2018-01-28 22:43:30,303 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test3_true-valid-memsafety_true-termination.i [2018-01-28 22:43:30,312 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:43:30,319 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-28 22:43:30,355 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:43:30,356 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:43:30,356 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:43:30,356 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:43:30,356 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:43:30,356 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:43:30,356 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:43:30,357 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:43:30,358 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:43:30,377 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-01-28 22:43:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-28 22:43:30,383 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:30,384 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, 1] [2018-01-28 22:43:30,384 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:30,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1331177498, now seen corresponding path program 1 times [2018-01-28 22:43:30,390 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:30,391 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:30,445 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:30,446 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:30,446 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:30,495 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:30,657 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 22:43:30,660 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:30,660 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-28 22:43:30,662 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-28 22:43:30,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-28 22:43:30,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:43:30,676 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 7 states. [2018-01-28 22:43:30,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:30,843 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-01-28 22:43:30,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-28 22:43:30,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-01-28 22:43:30,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:30,855 INFO L225 Difference]: With dead ends: 48 [2018-01-28 22:43:30,855 INFO L226 Difference]: Without dead ends: 44 [2018-01-28 22:43:30,859 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-28 22:43:30,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-01-28 22:43:30,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2018-01-28 22:43:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-28 22:43:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2018-01-28 22:43:30,892 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 24 [2018-01-28 22:43:30,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:30,892 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2018-01-28 22:43:30,892 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-28 22:43:30,892 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-01-28 22:43:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-28 22:43:30,893 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:30,893 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, 1] [2018-01-28 22:43:30,894 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:30,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1331177497, now seen corresponding path program 1 times [2018-01-28 22:43:30,894 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:30,894 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:30,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:30,896 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:30,896 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:30,914 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:31,004 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 22:43:31,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:31,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-28 22:43:31,007 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-28 22:43:31,007 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-28 22:43:31,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:43:31,008 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand 7 states. [2018-01-28 22:43:31,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:31,073 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-01-28 22:43:31,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-28 22:43:31,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-01-28 22:43:31,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:31,076 INFO L225 Difference]: With dead ends: 46 [2018-01-28 22:43:31,076 INFO L226 Difference]: Without dead ends: 45 [2018-01-28 22:43:31,078 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-28 22:43:31,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-01-28 22:43:31,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-01-28 22:43:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-28 22:43:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2018-01-28 22:43:31,084 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 24 [2018-01-28 22:43:31,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:31,085 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2018-01-28 22:43:31,085 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-28 22:43:31,085 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-01-28 22:43:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-28 22:43:31,086 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:31,086 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, 1, 1] [2018-01-28 22:43:31,086 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:31,087 INFO L82 PathProgramCache]: Analyzing trace with hash -839121345, now seen corresponding path program 1 times [2018-01-28 22:43:31,087 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:31,087 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:31,088 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,089 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:31,089 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:31,108 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:31,187 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 22:43:31,188 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:31,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-28 22:43:31,188 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-28 22:43:31,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-28 22:43:31,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:43:31,188 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand 8 states. [2018-01-28 22:43:31,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:31,238 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-01-28 22:43:31,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-28 22:43:31,239 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-01-28 22:43:31,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:31,240 INFO L225 Difference]: With dead ends: 43 [2018-01-28 22:43:31,240 INFO L226 Difference]: Without dead ends: 42 [2018-01-28 22:43:31,241 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-01-28 22:43:31,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-01-28 22:43:31,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-01-28 22:43:31,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-01-28 22:43:31,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2018-01-28 22:43:31,247 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 25 [2018-01-28 22:43:31,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:31,248 INFO L432 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2018-01-28 22:43:31,248 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-28 22:43:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2018-01-28 22:43:31,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-28 22:43:31,249 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:31,249 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, 1, 1] [2018-01-28 22:43:31,249 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:31,250 INFO L82 PathProgramCache]: Analyzing trace with hash -839121344, now seen corresponding path program 1 times [2018-01-28 22:43:31,250 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:31,250 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:31,251 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,252 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:31,252 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:31,266 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:31,373 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 22:43:31,374 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:31,374 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-28 22:43:31,374 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-28 22:43:31,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-28 22:43:31,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:43:31,375 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand 8 states. [2018-01-28 22:43:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:31,496 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-01-28 22:43:31,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-28 22:43:31,497 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-01-28 22:43:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:31,498 INFO L225 Difference]: With dead ends: 44 [2018-01-28 22:43:31,498 INFO L226 Difference]: Without dead ends: 43 [2018-01-28 22:43:31,499 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-01-28 22:43:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-01-28 22:43:31,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 31. [2018-01-28 22:43:31,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-01-28 22:43:31,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-01-28 22:43:31,504 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 25 [2018-01-28 22:43:31,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:31,504 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-01-28 22:43:31,505 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-28 22:43:31,505 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-01-28 22:43:31,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-28 22:43:31,506 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:31,506 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, 1, 1, 1] [2018-01-28 22:43:31,506 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:31,506 INFO L82 PathProgramCache]: Analyzing trace with hash 638833743, now seen corresponding path program 1 times [2018-01-28 22:43:31,506 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:31,507 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:31,508 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,508 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:31,508 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:31,518 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:31,559 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 22:43:31,559 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:31,559 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-28 22:43:31,560 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-28 22:43:31,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-28 22:43:31,560 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:43:31,561 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 3 states. [2018-01-28 22:43:31,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:31,606 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-01-28 22:43:31,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-28 22:43:31,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2018-01-28 22:43:31,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:31,607 INFO L225 Difference]: With dead ends: 45 [2018-01-28 22:43:31,607 INFO L226 Difference]: Without dead ends: 41 [2018-01-28 22:43:31,608 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:43:31,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-01-28 22:43:31,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-01-28 22:43:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-01-28 22:43:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2018-01-28 22:43:31,613 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 26 [2018-01-28 22:43:31,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:31,614 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2018-01-28 22:43:31,614 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-28 22:43:31,614 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-01-28 22:43:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-28 22:43:31,615 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:31,615 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, 1, 1, 1, 1] [2018-01-28 22:43:31,615 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:31,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1058394216, now seen corresponding path program 1 times [2018-01-28 22:43:31,615 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:31,615 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:31,616 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,616 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:31,617 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:31,627 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:31,697 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 22:43:31,697 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:31,697 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-28 22:43:31,698 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-28 22:43:31,698 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-28 22:43:31,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:43:31,699 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 8 states. [2018-01-28 22:43:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:31,772 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-01-28 22:43:31,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-28 22:43:31,773 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-01-28 22:43:31,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:31,774 INFO L225 Difference]: With dead ends: 47 [2018-01-28 22:43:31,774 INFO L226 Difference]: Without dead ends: 43 [2018-01-28 22:43:31,774 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-01-28 22:43:31,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-01-28 22:43:31,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 31. [2018-01-28 22:43:31,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-01-28 22:43:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-01-28 22:43:31,779 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 27 [2018-01-28 22:43:31,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:31,779 INFO L432 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-01-28 22:43:31,780 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-28 22:43:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-01-28 22:43:31,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-28 22:43:31,781 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:31,781 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, 1, 1, 1, 1] [2018-01-28 22:43:31,781 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1675791831, now seen corresponding path program 1 times [2018-01-28 22:43:31,781 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:31,781 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:31,782 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,783 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:31,783 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:31,791 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:31,866 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 22:43:31,866 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:31,866 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-28 22:43:31,867 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-28 22:43:31,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-28 22:43:31,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:43:31,867 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-01-28 22:43:31,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:31,911 INFO L93 Difference]: Finished difference Result 45 states and 44 transitions. [2018-01-28 22:43:31,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-28 22:43:31,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-01-28 22:43:31,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:31,912 INFO L225 Difference]: With dead ends: 45 [2018-01-28 22:43:31,912 INFO L226 Difference]: Without dead ends: 29 [2018-01-28 22:43:31,912 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-01-28 22:43:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-01-28 22:43:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-01-28 22:43:31,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-01-28 22:43:31,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2018-01-28 22:43:31,915 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 27 [2018-01-28 22:43:31,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:31,915 INFO L432 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2018-01-28 22:43:31,916 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-28 22:43:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2018-01-28 22:43:31,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-01-28 22:43:31,916 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:43:31,916 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, 1, 1, 1, 1, 1] [2018-01-28 22:43:31,923 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-01-28 22:43:31,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1554319056, now seen corresponding path program 1 times [2018-01-28 22:43:31,924 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:43:31,924 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:43:31,925 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,925 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:43:31,925 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:43:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:43:31,941 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:43:32,244 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 22:43:32,245 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:43:32,245 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-01-28 22:43:32,245 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-01-28 22:43:32,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-01-28 22:43:32,246 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-01-28 22:43:32,246 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand 9 states. [2018-01-28 22:43:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:43:32,460 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions. [2018-01-28 22:43:32,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-01-28 22:43:32,460 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2018-01-28 22:43:32,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:43:32,461 INFO L225 Difference]: With dead ends: 29 [2018-01-28 22:43:32,461 INFO L226 Difference]: Without dead ends: 0 [2018-01-28 22:43:32,461 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-01-28 22:43:32,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-28 22:43:32,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-28 22:43:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-28 22:43:32,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-28 22:43:32,462 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-01-28 22:43:32,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:43:32,462 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-28 22:43:32,463 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-01-28 22:43:32,463 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-28 22:43:32,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-28 22:43:32,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-28 22:43:32,484 INFO L395 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:43:32,484 INFO L399 ceAbstractionStarter]: For program point L1073(line 1073) no Hoare annotation was computed. [2018-01-28 22:43:32,484 INFO L399 ceAbstractionStarter]: For program point L1073''(line 1073) no Hoare annotation was computed. [2018-01-28 22:43:32,484 INFO L399 ceAbstractionStarter]: For program point L1073'''(line 1073) no Hoare annotation was computed. [2018-01-28 22:43:32,484 INFO L399 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point L1073'(lines 1073 1077) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point L1076(line 1076) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1444) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:43:32,485 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,485 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1444) the Hoare annotation is: true [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 1444) the Hoare annotation is: true [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 1442 1444) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 1442 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 1442 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1442 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L395 ceAbstractionStarter]: At program point h_safeENTRY(lines 1433 1435) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point L1434(line 1434) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point h_safeFINAL(lines 1433 1435) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point L1434'(line 1434) no Hoare annotation was computed. [2018-01-28 22:43:32,486 INFO L399 ceAbstractionStarter]: For program point h_safeEXIT(lines 1433 1435) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point entry_pointErr1RequiresViolation(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point L1438'(line 1438) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point L1439'(line 1439) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1437 1440) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point L1438(line 1438) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point L1439(line 1439) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L395 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1437 1440) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point entry_pointErr0RequiresViolation(lines 1 1444) no Hoare annotation was computed. [2018-01-28 22:43:32,487 INFO L399 ceAbstractionStarter]: For program point L1439'''(line 1439) no Hoare annotation was computed. [2018-01-28 22:43:32,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:43:32 BoogieIcfgContainer [2018-01-28 22:43:32,490 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:43:32,491 INFO L168 Benchmark]: Toolchain (without parser) took 2647.26 ms. Allocated memory was 305.1 MB in the beginning and 477.1 MB in the end (delta: 172.0 MB). Free memory was 262.0 MB in the beginning and 386.9 MB in the end (delta: -124.9 MB). Peak memory consumption was 47.1 MB. Max. memory is 5.3 GB. [2018-01-28 22:43:32,492 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 305.1 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:43:32,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.97 ms. Allocated memory is still 305.1 MB. Free memory was 262.0 MB in the beginning and 249.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:43:32,492 INFO L168 Benchmark]: Boogie Preprocessor took 33.48 ms. Allocated memory is still 305.1 MB. Free memory was 249.1 MB in the beginning and 248.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-28 22:43:32,493 INFO L168 Benchmark]: RCFGBuilder took 197.79 ms. Allocated memory is still 305.1 MB. Free memory was 248.1 MB in the beginning and 233.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. [2018-01-28 22:43:32,493 INFO L168 Benchmark]: TraceAbstraction took 2194.41 ms. Allocated memory was 305.1 MB in the beginning and 477.1 MB in the end (delta: 172.0 MB). Free memory was 232.9 MB in the beginning and 386.9 MB in the end (delta: -154.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:43:32,494 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 305.1 MB. Free memory is still 269.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 210.97 ms. Allocated memory is still 305.1 MB. Free memory was 262.0 MB in the beginning and 249.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.48 ms. Allocated memory is still 305.1 MB. Free memory was 249.1 MB in the beginning and 248.1 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 197.79 ms. Allocated memory is still 305.1 MB. Free memory was 248.1 MB in the beginning and 233.9 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2194.41 ms. Allocated memory was 305.1 MB in the beginning and 477.1 MB in the end (delta: 172.0 MB). Free memory was 232.9 MB in the beginning and 386.9 MB in the end (delta: -154.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1442]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 36 locations, 3 error locations. SAFE Result, 2.1s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 239 SDtfs, 44 SDslu, 1057 SDs, 0 SdLazy, 351 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 20 SyntacticMatches, 2 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=1, 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, 8 MinimizatonAttempts, 28 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 17 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 17138 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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/memleaks_test3_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-43-32-502.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test3_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-43-32-502.csv Received shutdown request...