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_test9_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:44:11,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:44:11,327 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:44:11,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:44:11,340 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:44:11,341 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:44:11,342 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:44:11,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:44:11,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:44:11,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:44:11,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:44:11,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:44:11,347 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:44:11,347 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:44:11,348 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:44:11,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:44:11,353 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:44:11,354 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:44:11,356 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:44:11,357 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:44:11,359 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 22:44:11,359 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 22:44:11,360 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 22:44:11,360 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 22:44:11,361 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 22:44:11,362 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 22:44:11,363 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 22:44:11,363 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 22:44:11,364 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 22:44:11,364 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:44:11,364 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:44:11,365 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 22:44:11,374 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:44:11,374 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:44:11,375 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:44:11,375 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:44:11,376 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:44:11,376 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:44:11,376 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:44:11,377 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:44:11,377 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:44:11,377 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:44:11,377 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:44:11,377 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:44:11,377 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:44:11,378 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:44:11,378 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:44:11,378 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:44:11,378 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:44:11,378 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:44:11,379 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:44:11,379 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:44:11,379 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:44:11,379 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:44:11,379 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:44:11,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:44:11,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:44:11,380 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:44:11,380 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:44:11,380 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:44:11,381 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:44:11,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:44:11,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:44:11,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:44:11,382 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:44:11,382 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:44:11,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:44:11,427 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:44:11,431 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:44:11,432 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:44:11,433 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:44:11,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test9_true-valid-memsafety_true-termination.i [2018-01-28 22:44:11,606 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:44:11,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:44:11,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:44:11,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:44:11,617 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:44:11,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be36ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11, skipping insertion in model container [2018-01-28 22:44:11,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,633 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:44:11,680 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:44:11,784 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:44:11,796 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:44:11,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11 WrapperNode [2018-01-28 22:44:11,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:44:11,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:44:11,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:44:11,803 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:44:11,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (1/1) ... [2018-01-28 22:44:11,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:44:11,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:44:11,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:44:11,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:44:11,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (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 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-28 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure probe_9 [2018-01-28 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_9 [2018-01-28 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-28 22:44:11,879 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure probe_9 [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_9 [2018-01-28 22:44:11,880 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-28 22:44:11,881 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:44:11,881 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:44:11,881 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:44:12,015 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:44:12,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:44:12 BoogieIcfgContainer [2018-01-28 22:44:12,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:44:12,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:44:12,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:44:12,019 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:44:12,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:44:11" (1/3) ... [2018-01-28 22:44:12,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613e9d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:44:12, skipping insertion in model container [2018-01-28 22:44:12,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:44:11" (2/3) ... [2018-01-28 22:44:12,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@613e9d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:44:12, skipping insertion in model container [2018-01-28 22:44:12,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:44:12" (3/3) ... [2018-01-28 22:44:12,022 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test9_true-valid-memsafety_true-termination.i [2018-01-28 22:44:12,028 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:44:12,033 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-01-28 22:44:12,081 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:44:12,081 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:44:12,081 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:44:12,081 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:44:12,081 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:44:12,081 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:44:12,082 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:44:12,082 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:44:12,083 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:44:12,100 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-01-28 22:44:12,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-01-28 22:44:12,107 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:12,108 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, 1] [2018-01-28 22:44:12,108 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:12,113 INFO L82 PathProgramCache]: Analyzing trace with hash -356237435, now seen corresponding path program 1 times [2018-01-28 22:44:12,115 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:12,116 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:12,170 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:12,171 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:12,171 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:12,233 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:12,402 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 22:44:12,405 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:12,406 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:44:12,407 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:44:12,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:44:12,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:44:12,420 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 5 states. [2018-01-28 22:44:12,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:12,581 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2018-01-28 22:44:12,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:44:12,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-01-28 22:44:12,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:12,590 INFO L225 Difference]: With dead ends: 82 [2018-01-28 22:44:12,591 INFO L226 Difference]: Without dead ends: 58 [2018-01-28 22:44:12,593 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:44:12,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-01-28 22:44:12,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2018-01-28 22:44:12,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-01-28 22:44:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 60 transitions. [2018-01-28 22:44:12,623 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 60 transitions. Word has length 29 [2018-01-28 22:44:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:12,623 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 60 transitions. [2018-01-28 22:44:12,623 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:44:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 60 transitions. [2018-01-28 22:44:12,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-28 22:44:12,624 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:12,624 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, 1, 1] [2018-01-28 22:44:12,625 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:12,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1328254661, now seen corresponding path program 1 times [2018-01-28 22:44:12,625 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:12,625 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:12,627 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:12,627 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:12,627 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:12,655 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:12,717 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 22:44:12,718 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:12,718 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:44:12,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 22:44:12,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 22:44:12,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:44:12,722 INFO L87 Difference]: Start difference. First operand 57 states and 60 transitions. Second operand 6 states. [2018-01-28 22:44:12,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:12,852 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-01-28 22:44:12,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-28 22:44:12,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-28 22:44:12,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:12,857 INFO L225 Difference]: With dead ends: 57 [2018-01-28 22:44:12,857 INFO L226 Difference]: Without dead ends: 56 [2018-01-28 22:44:12,858 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-01-28 22:44:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-28 22:44:12,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-01-28 22:44:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-01-28 22:44:12,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 59 transitions. [2018-01-28 22:44:12,868 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 59 transitions. Word has length 30 [2018-01-28 22:44:12,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:12,869 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 59 transitions. [2018-01-28 22:44:12,869 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 22:44:12,869 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 59 transitions. [2018-01-28 22:44:12,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-01-28 22:44:12,870 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:12,870 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, 1, 1] [2018-01-28 22:44:12,870 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:12,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1328254660, now seen corresponding path program 1 times [2018-01-28 22:44:12,871 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:12,871 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:12,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:12,873 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:12,873 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:12,892 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:12,956 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 22:44:12,957 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:12,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:44:12,957 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 22:44:12,958 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 22:44:12,958 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:44:12,958 INFO L87 Difference]: Start difference. First operand 56 states and 59 transitions. Second operand 6 states. [2018-01-28 22:44:13,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:13,083 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2018-01-28 22:44:13,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-28 22:44:13,083 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 30 [2018-01-28 22:44:13,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:13,085 INFO L225 Difference]: With dead ends: 66 [2018-01-28 22:44:13,085 INFO L226 Difference]: Without dead ends: 65 [2018-01-28 22:44:13,086 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:44:13,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-01-28 22:44:13,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 45. [2018-01-28 22:44:13,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-01-28 22:44:13,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2018-01-28 22:44:13,098 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 30 [2018-01-28 22:44:13,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:13,098 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2018-01-28 22:44:13,098 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 22:44:13,098 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-01-28 22:44:13,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-01-28 22:44:13,100 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:13,100 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, 1, 1, 1] [2018-01-28 22:44:13,100 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:13,100 INFO L82 PathProgramCache]: Analyzing trace with hash -2080235026, now seen corresponding path program 1 times [2018-01-28 22:44:13,100 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:13,100 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:13,102 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,102 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:13,102 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:13,116 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:13,151 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 22:44:13,151 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:13,151 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-28 22:44:13,152 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-28 22:44:13,152 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-28 22:44:13,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:44:13,152 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand 3 states. [2018-01-28 22:44:13,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:13,184 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-01-28 22:44:13,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-28 22:44:13,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-01-28 22:44:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:13,185 INFO L225 Difference]: With dead ends: 58 [2018-01-28 22:44:13,185 INFO L226 Difference]: Without dead ends: 53 [2018-01-28 22:44:13,185 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 22:44:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-28 22:44:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2018-01-28 22:44:13,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-28 22:44:13,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-01-28 22:44:13,192 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 31 [2018-01-28 22:44:13,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:13,193 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-01-28 22:44:13,193 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-28 22:44:13,193 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-01-28 22:44:13,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-28 22:44:13,194 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:13,194 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, 1, 1, 1, 1] [2018-01-28 22:44:13,194 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:13,194 INFO L82 PathProgramCache]: Analyzing trace with hash -845148700, now seen corresponding path program 1 times [2018-01-28 22:44:13,194 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:13,194 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:13,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,195 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:13,195 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:13,207 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:13,243 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 22:44:13,243 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:13,243 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-28 22:44:13,243 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:44:13,243 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:44:13,244 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:44:13,244 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 5 states. [2018-01-28 22:44:13,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:13,268 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-01-28 22:44:13,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-28 22:44:13,268 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-01-28 22:44:13,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:13,270 INFO L225 Difference]: With dead ends: 66 [2018-01-28 22:44:13,270 INFO L226 Difference]: Without dead ends: 61 [2018-01-28 22:44:13,271 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:44:13,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-01-28 22:44:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 52. [2018-01-28 22:44:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-28 22:44:13,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-01-28 22:44:13,279 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 32 [2018-01-28 22:44:13,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:13,279 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-01-28 22:44:13,279 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:44:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-01-28 22:44:13,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-01-28 22:44:13,281 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:13,281 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, 1, 1, 1, 1] [2018-01-28 22:44:13,281 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:13,282 INFO L82 PathProgramCache]: Analyzing trace with hash 114081316, now seen corresponding path program 1 times [2018-01-28 22:44:13,282 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:13,282 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:13,283 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,283 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:13,283 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:13,296 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:13,364 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 22:44:13,364 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:13,364 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-28 22:44:13,365 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-28 22:44:13,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-28 22:44:13,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-28 22:44:13,365 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 6 states. [2018-01-28 22:44:13,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:13,414 INFO L93 Difference]: Finished difference Result 72 states and 73 transitions. [2018-01-28 22:44:13,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-01-28 22:44:13,414 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-01-28 22:44:13,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:13,416 INFO L225 Difference]: With dead ends: 72 [2018-01-28 22:44:13,416 INFO L226 Difference]: Without dead ends: 56 [2018-01-28 22:44:13,416 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:44:13,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-28 22:44:13,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2018-01-28 22:44:13,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-01-28 22:44:13,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-01-28 22:44:13,424 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 32 [2018-01-28 22:44:13,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:13,424 INFO L432 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-01-28 22:44:13,424 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-28 22:44:13,424 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-01-28 22:44:13,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-28 22:44:13,426 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:13,426 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, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:44:13,426 INFO L371 AbstractCegarLoop]: === Iteration 7 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:13,426 INFO L82 PathProgramCache]: Analyzing trace with hash -2093714359, now seen corresponding path program 1 times [2018-01-28 22:44:13,426 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:13,426 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:13,428 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,428 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:13,428 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:13,440 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:13,524 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 22:44:13,525 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:13,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-28 22:44:13,525 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-01-28 22:44:13,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-01-28 22:44:13,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:44:13,525 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 7 states. [2018-01-28 22:44:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:13,661 INFO L93 Difference]: Finished difference Result 60 states and 59 transitions. [2018-01-28 22:44:13,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-01-28 22:44:13,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 35 [2018-01-28 22:44:13,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:13,663 INFO L225 Difference]: With dead ends: 60 [2018-01-28 22:44:13,663 INFO L226 Difference]: Without dead ends: 37 [2018-01-28 22:44:13,663 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:44:13,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-01-28 22:44:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-01-28 22:44:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-01-28 22:44:13,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-01-28 22:44:13,677 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 35 [2018-01-28 22:44:13,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:13,678 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-01-28 22:44:13,678 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-01-28 22:44:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-01-28 22:44:13,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-28 22:44:13,679 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:44:13,679 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:44:13,679 INFO L371 AbstractCegarLoop]: === Iteration 8 === [mainErr0EnsuresViolation, disconnect_9Err1RequiresViolation, disconnect_9Err0RequiresViolation]=== [2018-01-28 22:44:13,679 INFO L82 PathProgramCache]: Analyzing trace with hash -1284541121, now seen corresponding path program 1 times [2018-01-28 22:44:13,679 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:44:13,679 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:44:13,680 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,680 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:44:13,680 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:44:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:44:13,696 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:44:13,931 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 22:44:13,932 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:44:13,932 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-28 22:44:13,932 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-28 22:44:13,932 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-28 22:44:13,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-01-28 22:44:13,933 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 8 states. [2018-01-28 22:44:14,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:44:14,140 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-01-28 22:44:14,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-01-28 22:44:14,141 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-01-28 22:44:14,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:44:14,141 INFO L225 Difference]: With dead ends: 37 [2018-01-28 22:44:14,141 INFO L226 Difference]: Without dead ends: 0 [2018-01-28 22:44:14,141 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-01-28 22:44:14,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-28 22:44:14,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-28 22:44:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-28 22:44:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-28 22:44:14,142 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-01-28 22:44:14,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:44:14,142 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-28 22:44:14,142 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-28 22:44:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-28 22:44:14,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-28 22:44:14,146 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-28 22:44:14,177 WARN L137 erpolLogProxyWrapper]: Already inconsistent. [2018-01-28 22:44:14,409 INFO L395 ceAbstractionStarter]: At program point ldv_mallocENTRY(lines 1072 1078) the Hoare annotation is: (or (not (= ~a9.offset 0)) (not (= 0 ~a9.base)) (= |#valid| |old(#valid)|)) [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point L1073(line 1073) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point L1073''(line 1073) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point L1073'''(line 1073) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point L1074'(line 1074) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point ldv_mallocEXIT(lines 1072 1078) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point L1073'(lines 1073 1077) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point ldv_mallocFINAL(lines 1072 1078) no Hoare annotation was computed. [2018-01-28 22:44:14,409 INFO L399 ceAbstractionStarter]: For program point L1074(line 1074) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1076(line 1076) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1434(line 1434) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 1458) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1438(lines 1438 1441) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1439(line 1439) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1437(line 1437) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L399 ceAbstractionStarter]: For program point L1441(line 1441) no Hoare annotation was computed. [2018-01-28 22:44:14,410 INFO L395 ceAbstractionStarter]: At program point probe_9ENTRY(lines 1436 1442) the Hoare annotation is: (or (not (= |old(~a9.offset)| 0)) (not (= 0 |old(~a9.base)|)) (and (= |#valid| |old(#valid)|) (= ~a9.base 0) (= ~a9.offset 0))) [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point probe_9FINAL(lines 1436 1442) no Hoare annotation was computed. [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point L1437'(line 1437) no Hoare annotation was computed. [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point probe_9EXIT(lines 1436 1442) no Hoare annotation was computed. [2018-01-28 22:44:14,411 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 1458) the Hoare annotation is: true [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,411 INFO L395 ceAbstractionStarter]: At program point L1(lines 1 1458) the Hoare annotation is: (and (= ~a9.base 0) (= ~a9.offset 0)) [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,411 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 1456 1458) the Hoare annotation is: (or (not (= |old(~a9.offset)| 0)) (not (= 0 |old(~a9.base)|)) (and (= |#valid| |old(#valid)|) (= ~a9.base 0) (= ~a9.offset 0))) [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 1456 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,411 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 1456 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 1456 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point L1450'(lines 1450 1452) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point L1449'(line 1449) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point entry_pointEXIT(lines 1448 1454) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point L1450(lines 1450 1452) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L395 ceAbstractionStarter]: At program point L1451(line 1451) the Hoare annotation is: (let ((.cse1 (select |#valid| ~a9.base)) (.cse2 (= ~a9.base 0))) (let ((.cse0 (and (= entry_point_~ret~9 0) (let ((.cse3 (= ~a9.offset 0))) (or (and (= 1 .cse1) .cse3) (and .cse2 .cse3)))))) (or (not (= |old(~a9.offset)| 0)) (not (= 0 |old(~a9.base)|)) (and (not (= 0 ~a9.base)) .cse0 (= |#valid| (store |old(#valid)| ~a9.base .cse1)) (= (select |old(#valid)| ~a9.base) 0)) (and .cse0 (= |#valid| |old(#valid)|) .cse2)))) [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point L1449(line 1449) no Hoare annotation was computed. [2018-01-28 22:44:14,412 INFO L395 ceAbstractionStarter]: At program point entry_pointENTRY(lines 1448 1454) the Hoare annotation is: (or (not (= |old(~a9.offset)| 0)) (not (= 0 |old(~a9.base)|)) (and (= |#valid| |old(#valid)|) (= ~a9.base 0) (= ~a9.offset 0))) [2018-01-28 22:44:14,412 INFO L399 ceAbstractionStarter]: For program point entry_pointFINAL(lines 1448 1454) no Hoare annotation was computed. [2018-01-28 22:44:14,413 INFO L399 ceAbstractionStarter]: For program point L1449''(line 1449) no Hoare annotation was computed. [2018-01-28 22:44:14,413 INFO L395 ceAbstractionStarter]: At program point disconnect_9ENTRY(lines 1444 1446) the Hoare annotation is: (or (let ((.cse0 (not (= ~a9.offset 0)))) (and (or .cse0 (not (= 0 ~a9.base))) (or .cse0 (not (= 1 (select |old(#valid)| ~a9.base)))))) (= |#valid| |old(#valid)|)) [2018-01-28 22:44:14,413 INFO L399 ceAbstractionStarter]: For program point disconnect_9EXIT(lines 1444 1446) no Hoare annotation was computed. [2018-01-28 22:44:14,413 INFO L399 ceAbstractionStarter]: For program point disconnect_9FINAL(lines 1444 1446) no Hoare annotation was computed. [2018-01-28 22:44:14,413 INFO L399 ceAbstractionStarter]: For program point disconnect_9Err0RequiresViolation(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,413 INFO L399 ceAbstractionStarter]: For program point disconnect_9Err1RequiresViolation(lines 1 1458) no Hoare annotation was computed. [2018-01-28 22:44:14,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:44:14 BoogieIcfgContainer [2018-01-28 22:44:14,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:44:14,416 INFO L168 Benchmark]: Toolchain (without parser) took 2809.61 ms. Allocated memory was 304.1 MB in the beginning and 475.0 MB in the end (delta: 170.9 MB). Free memory was 263.1 MB in the beginning and 354.0 MB in the end (delta: -90.9 MB). Peak memory consumption was 80.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:44:14,417 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:44:14,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.81 ms. Allocated memory is still 304.1 MB. Free memory was 263.1 MB in the beginning and 249.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-01-28 22:44:14,418 INFO L168 Benchmark]: Boogie Preprocessor took 32.00 ms. Allocated memory is still 304.1 MB. Free memory was 249.9 MB in the beginning and 248.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. [2018-01-28 22:44:14,418 INFO L168 Benchmark]: RCFGBuilder took 180.58 ms. Allocated memory is still 304.1 MB. Free memory was 248.9 MB in the beginning and 234.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 5.3 GB. [2018-01-28 22:44:14,418 INFO L168 Benchmark]: TraceAbstraction took 2399.67 ms. Allocated memory was 304.1 MB in the beginning and 475.0 MB in the end (delta: 170.9 MB). Free memory was 233.1 MB in the beginning and 354.0 MB in the end (delta: -120.9 MB). Peak memory consumption was 50.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:44:14,420 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 304.1 MB. Free memory is still 270.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 189.81 ms. Allocated memory is still 304.1 MB. Free memory was 263.1 MB in the beginning and 249.9 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 32.00 ms. Allocated memory is still 304.1 MB. Free memory was 249.9 MB in the beginning and 248.9 MB in the end (delta: 996.1 kB). Peak memory consumption was 996.1 kB. Max. memory is 5.3 GB. * RCFGBuilder took 180.58 ms. Allocated memory is still 304.1 MB. Free memory was 248.9 MB in the beginning and 234.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 5.3 GB. * TraceAbstraction took 2399.67 ms. Allocated memory was 304.1 MB in the beginning and 475.0 MB in the end (delta: 170.9 MB). Free memory was 233.1 MB in the beginning and 354.0 MB in the end (delta: -120.9 MB). Peak memory consumption was 50.0 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1456]: 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 7 procedures, 45 locations, 3 error locations. SAFE Result, 2.3s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 334 SDtfs, 121 SDslu, 874 SDs, 0 SdLazy, 295 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 30 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 42 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 14 NumberOfFragments, 181 HoareAnnotationTreeSize, 12 FomulaSimplifications, 275 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 249 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 27931 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_test9_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-44-14-428.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test9_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-44-14-428.csv Received shutdown request...