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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_2_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:06:46,400 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:06:46,401 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:06:46,411 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:06:46,411 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:06:46,412 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:06:46,413 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:06:46,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:06:46,416 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:06:46,417 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:06:46,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:06:46,418 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:06:46,419 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:06:46,419 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:06:46,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:06:46,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:06:46,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:06:46,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:06:46,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:06:46,427 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:06:46,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 21:06:46,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 21:06:46,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 21:06:46,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 21:06:46,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 21:06:46,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 21:06:46,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 21:06:46,432 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 21:06:46,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 21:06:46,432 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:06:46,433 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:06:46,433 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 21:06:46,440 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:06:46,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:06:46,440 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:06:46,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:06:46,441 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:06:46,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:06:46,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:06:46,442 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:06:46,443 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:06:46,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:06:46,474 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:06:46,478 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:06:46,479 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:06:46,479 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:06:46,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_2_false-valid-free.i [2018-02-02 21:06:46,615 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:06:46,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:06:46,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:06:46,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:06:46,622 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:06:46,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@228d72e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46, skipping insertion in model container [2018-02-02 21:06:46,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,640 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:06:46,678 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:06:46,767 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:06:46,779 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:06:46,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46 WrapperNode [2018-02-02 21:06:46,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:06:46,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:06:46,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:06:46,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:06:46,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... [2018-02-02 21:06:46,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:06:46,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:06:46,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:06:46,820 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:06:46,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure f6 [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure g6 [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure probe3_6 [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-02-02 21:06:46,860 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 21:06:46,861 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 21:06:46,861 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure f6 [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure g6 [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure probe3_6 [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:06:46,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:06:46,863 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:06:47,036 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:06:47,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:06:47 BoogieIcfgContainer [2018-02-02 21:06:47,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:06:47,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:06:47,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:06:47,039 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:06:47,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:06:46" (1/3) ... [2018-02-02 21:06:47,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5557b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:06:47, skipping insertion in model container [2018-02-02 21:06:47,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:06:46" (2/3) ... [2018-02-02 21:06:47,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5557b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:06:47, skipping insertion in model container [2018-02-02 21:06:47,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:06:47" (3/3) ... [2018-02-02 21:06:47,041 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test6_2_false-valid-free.i [2018-02-02 21:06:47,046 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:06:47,051 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-02-02 21:06:47,078 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:06:47,078 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:06:47,078 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:06:47,078 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:06:47,078 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:06:47,078 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:06:47,078 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:06:47,079 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:06:47,079 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:06:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2018-02-02 21:06:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 21:06:47,096 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:47,097 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 21:06:47,097 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:47,101 INFO L82 PathProgramCache]: Analyzing trace with hash 3351521, now seen corresponding path program 1 times [2018-02-02 21:06:47,103 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:47,103 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:47,139 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,140 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:47,140 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:47,170 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:47,217 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:47,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:06:47,219 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:06:47,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:06:47,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:47,230 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 3 states. [2018-02-02 21:06:47,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:47,347 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2018-02-02 21:06:47,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:06:47,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 21:06:47,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:47,406 INFO L225 Difference]: With dead ends: 82 [2018-02-02 21:06:47,406 INFO L226 Difference]: Without dead ends: 79 [2018-02-02 21:06:47,408 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:47,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-02-02 21:06:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 70. [2018-02-02 21:06:47,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-02-02 21:06:47,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2018-02-02 21:06:47,446 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 4 [2018-02-02 21:06:47,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:47,446 INFO L432 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2018-02-02 21:06:47,446 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:06:47,446 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2018-02-02 21:06:47,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 21:06:47,447 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:47,447 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 21:06:47,447 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:47,447 INFO L82 PathProgramCache]: Analyzing trace with hash 3351522, now seen corresponding path program 1 times [2018-02-02 21:06:47,447 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:47,447 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:47,449 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,449 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:47,449 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:47,460 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:47,500 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:47,501 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:06:47,502 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:06:47,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:06:47,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:47,502 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 3 states. [2018-02-02 21:06:47,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:47,553 INFO L93 Difference]: Finished difference Result 122 states and 132 transitions. [2018-02-02 21:06:47,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:06:47,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 21:06:47,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:47,555 INFO L225 Difference]: With dead ends: 122 [2018-02-02 21:06:47,555 INFO L226 Difference]: Without dead ends: 122 [2018-02-02 21:06:47,556 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:06:47,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-02-02 21:06:47,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 107. [2018-02-02 21:06:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-02-02 21:06:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 129 transitions. [2018-02-02 21:06:47,573 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 129 transitions. Word has length 4 [2018-02-02 21:06:47,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:47,573 INFO L432 AbstractCegarLoop]: Abstraction has 107 states and 129 transitions. [2018-02-02 21:06:47,573 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:06:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 129 transitions. [2018-02-02 21:06:47,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:06:47,574 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:47,574 INFO L351 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] [2018-02-02 21:06:47,575 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:47,575 INFO L82 PathProgramCache]: Analyzing trace with hash 312821243, now seen corresponding path program 1 times [2018-02-02 21:06:47,575 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:47,575 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:47,577 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,577 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:47,577 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:47,598 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:47,682 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:47,682 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:06:47,682 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:06:47,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:06:47,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:06:47,683 INFO L87 Difference]: Start difference. First operand 107 states and 129 transitions. Second operand 6 states. [2018-02-02 21:06:47,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:47,948 INFO L93 Difference]: Finished difference Result 128 states and 147 transitions. [2018-02-02 21:06:47,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 21:06:47,948 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-02-02 21:06:47,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:47,950 INFO L225 Difference]: With dead ends: 128 [2018-02-02 21:06:47,950 INFO L226 Difference]: Without dead ends: 124 [2018-02-02 21:06:47,950 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-02-02 21:06:47,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-02-02 21:06:47,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 112. [2018-02-02 21:06:47,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-02-02 21:06:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 137 transitions. [2018-02-02 21:06:47,960 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 137 transitions. Word has length 24 [2018-02-02 21:06:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:47,961 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 137 transitions. [2018-02-02 21:06:47,961 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:06:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 137 transitions. [2018-02-02 21:06:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:06:47,962 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:47,962 INFO L351 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] [2018-02-02 21:06:47,962 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:47,962 INFO L82 PathProgramCache]: Analyzing trace with hash 312821244, now seen corresponding path program 1 times [2018-02-02 21:06:47,962 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:47,962 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:47,964 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,964 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:47,964 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:47,980 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:48,027 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:48,027 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:06:48,027 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:06:48,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:06:48,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:06:48,028 INFO L87 Difference]: Start difference. First operand 112 states and 137 transitions. Second operand 6 states. [2018-02-02 21:06:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:48,053 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2018-02-02 21:06:48,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:06:48,054 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-02-02 21:06:48,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:48,055 INFO L225 Difference]: With dead ends: 109 [2018-02-02 21:06:48,055 INFO L226 Difference]: Without dead ends: 105 [2018-02-02 21:06:48,055 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:06:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-02-02 21:06:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 102. [2018-02-02 21:06:48,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-02-02 21:06:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2018-02-02 21:06:48,060 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 24 [2018-02-02 21:06:48,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:48,061 INFO L432 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2018-02-02 21:06:48,061 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:06:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2018-02-02 21:06:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:06:48,062 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:48,062 INFO L351 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] [2018-02-02 21:06:48,062 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1854259380, now seen corresponding path program 1 times [2018-02-02 21:06:48,062 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:48,062 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:48,063 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,063 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:48,064 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:48,073 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:48,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:48,115 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:48,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:06:48,115 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 21:06:48,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 21:06:48,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:06:48,116 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand 5 states. [2018-02-02 21:06:48,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:48,129 INFO L93 Difference]: Finished difference Result 73 states and 77 transitions. [2018-02-02 21:06:48,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 21:06:48,130 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-02-02 21:06:48,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:48,130 INFO L225 Difference]: With dead ends: 73 [2018-02-02 21:06:48,131 INFO L226 Difference]: Without dead ends: 69 [2018-02-02 21:06:48,131 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:06:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-02-02 21:06:48,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-02-02 21:06:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-02 21:06:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2018-02-02 21:06:48,134 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 24 [2018-02-02 21:06:48,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:48,134 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2018-02-02 21:06:48,134 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 21:06:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2018-02-02 21:06:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:06:48,135 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:48,135 INFO L351 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] [2018-02-02 21:06:48,135 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:48,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1628417000, now seen corresponding path program 1 times [2018-02-02 21:06:48,135 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:48,135 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:48,136 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,136 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:48,136 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:48,151 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:48,194 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:48,194 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:06:48,194 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:06:48,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:06:48,195 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:06:48,195 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand 6 states. [2018-02-02 21:06:48,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:48,217 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-02-02 21:06:48,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:06:48,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-02-02 21:06:48,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:48,218 INFO L225 Difference]: With dead ends: 64 [2018-02-02 21:06:48,218 INFO L226 Difference]: Without dead ends: 64 [2018-02-02 21:06:48,218 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:06:48,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-02-02 21:06:48,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-02-02 21:06:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-02-02 21:06:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2018-02-02 21:06:48,221 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 24 [2018-02-02 21:06:48,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:48,221 INFO L432 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2018-02-02 21:06:48,221 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:06:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-02-02 21:06:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-02 21:06:48,221 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:48,222 INFO L351 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] [2018-02-02 21:06:48,222 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:48,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1212961130, now seen corresponding path program 1 times [2018-02-02 21:06:48,222 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:48,222 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:48,223 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,223 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:48,223 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:48,230 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:48,271 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:48,271 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:06:48,272 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:06:48,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:06:48,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:06:48,272 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand 6 states. [2018-02-02 21:06:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:48,290 INFO L93 Difference]: Finished difference Result 62 states and 64 transitions. [2018-02-02 21:06:48,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:06:48,292 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-02 21:06:48,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:48,295 INFO L225 Difference]: With dead ends: 62 [2018-02-02 21:06:48,295 INFO L226 Difference]: Without dead ends: 62 [2018-02-02 21:06:48,295 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:06:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-02-02 21:06:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-02-02 21:06:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-02-02 21:06:48,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2018-02-02 21:06:48,299 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 26 [2018-02-02 21:06:48,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:48,299 INFO L432 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2018-02-02 21:06:48,299 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:06:48,299 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2018-02-02 21:06:48,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-02 21:06:48,300 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:48,300 INFO L351 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] [2018-02-02 21:06:48,300 INFO L371 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:48,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1212961129, now seen corresponding path program 1 times [2018-02-02 21:06:48,300 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:48,300 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:48,301 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,302 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:48,302 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:48,313 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 21:06:48,357 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:06:48,357 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:06:48,358 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:06:48,358 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:06:48,358 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:06:48,358 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand 6 states. [2018-02-02 21:06:48,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:06:48,452 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-02-02 21:06:48,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:06:48,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-02 21:06:48,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:06:48,453 INFO L225 Difference]: With dead ends: 60 [2018-02-02 21:06:48,453 INFO L226 Difference]: Without dead ends: 60 [2018-02-02 21:06:48,453 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 21:06:48,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-02-02 21:06:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-02-02 21:06:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-02-02 21:06:48,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 62 transitions. [2018-02-02 21:06:48,455 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 62 transitions. Word has length 26 [2018-02-02 21:06:48,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:06:48,456 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 62 transitions. [2018-02-02 21:06:48,456 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:06:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 62 transitions. [2018-02-02 21:06:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-02-02 21:06:48,457 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:06:48,457 INFO L351 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] [2018-02-02 21:06:48,457 INFO L371 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe3_6Err4RequiresViolation, probe3_6Err2RequiresViolation, probe3_6Err3RequiresViolation, probe3_6Err5RequiresViolation, probe3_6Err0RequiresViolation, probe3_6Err1RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation]=== [2018-02-02 21:06:48,457 INFO L82 PathProgramCache]: Analyzing trace with hash -903148600, now seen corresponding path program 1 times [2018-02-02 21:06:48,457 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:06:48,457 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:06:48,458 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,458 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:06:48,459 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:06:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:06:48,473 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:06:48,480 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 21:06:48,483 INFO L168 Benchmark]: Toolchain (without parser) took 1867.17 ms. Allocated memory was 399.0 MB in the beginning and 602.4 MB in the end (delta: 203.4 MB). Free memory was 355.4 MB in the beginning and 433.4 MB in the end (delta: -78.0 MB). Peak memory consumption was 125.4 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:48,484 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 399.0 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:06:48,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.37 ms. Allocated memory is still 399.0 MB. Free memory was 355.4 MB in the beginning and 342.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:48,485 INFO L168 Benchmark]: Boogie Preprocessor took 33.61 ms. Allocated memory is still 399.0 MB. Free memory was 342.2 MB in the beginning and 340.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:48,485 INFO L168 Benchmark]: RCFGBuilder took 217.22 ms. Allocated memory is still 399.0 MB. Free memory was 340.9 MB in the beginning and 318.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:48,485 INFO L168 Benchmark]: TraceAbstraction took 1445.04 ms. Allocated memory was 399.0 MB in the beginning and 602.4 MB in the end (delta: 203.4 MB). Free memory was 318.4 MB in the beginning and 433.4 MB in the end (delta: -115.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 5.3 GB. [2018-02-02 21:06:48,487 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 399.0 MB. Free memory is still 362.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.37 ms. Allocated memory is still 399.0 MB. Free memory was 355.4 MB in the beginning and 342.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 33.61 ms. Allocated memory is still 399.0 MB. Free memory was 342.2 MB in the beginning and 340.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 217.22 ms. Allocated memory is still 399.0 MB. Free memory was 340.9 MB in the beginning and 318.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1445.04 ms. Allocated memory was 399.0 MB in the beginning and 602.4 MB in the end (delta: 203.4 MB). Free memory was 318.4 MB in the beginning and 433.4 MB in the end (delta: -115.1 MB). Peak memory consumption was 88.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test6_2_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-06-48-493.csv Received shutdown request...