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_1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:08:29,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:08:29,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:08:29,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:08:29,126 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:08:29,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:08:29,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:08:29,129 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:08:29,130 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:08:29,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:08:29,132 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:08:29,132 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:08:29,133 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:08:29,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:08:29,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:08:29,138 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:08:29,140 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:08:29,141 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:08:29,142 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:08:29,143 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:08:29,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 21:08:29,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 21:08:29,145 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 21:08:29,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 21:08:29,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 21:08:29,147 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 21:08:29,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 21:08:29,148 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 21:08:29,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 21:08:29,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:08:29,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:08:29,149 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 21:08:29,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:08:29,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:08:29,160 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:08:29,160 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:08:29,161 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:08:29,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:08:29,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:08:29,161 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:08:29,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:08:29,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:08:29,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:08:29,162 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:08:29,162 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:08:29,162 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:08:29,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:08:29,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:08:29,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:08:29,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:08:29,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:08:29,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:08:29,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:08:29,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:08:29,163 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:08:29,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:08:29,163 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:08:29,193 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:08:29,204 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:08:29,209 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:08:29,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:08:29,211 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:08:29,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-02-02 21:08:29,358 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:08:29,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:08:29,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:08:29,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:08:29,365 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:08:29,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2b8cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29, skipping insertion in model container [2018-02-02 21:08:29,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,381 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:08:29,422 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:08:29,509 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:08:29,522 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:08:29,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29 WrapperNode [2018-02-02 21:08:29,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:08:29,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:08:29,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:08:29,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:08:29,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (1/1) ... [2018-02-02 21:08:29,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:08:29,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:08:29,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:08:29,557 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:08:29,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (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 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure f6 [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure g6 [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure probe2_6 [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 21:08:29,596 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:08:29,596 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure f6 [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure g6 [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure probe2_6 [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-02-02 21:08:29,597 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 21:08:29,598 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:08:29,598 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:08:29,598 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:08:29,796 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:08:29,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:08:29 BoogieIcfgContainer [2018-02-02 21:08:29,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:08:29,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:08:29,798 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:08:29,799 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:08:29,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:08:29" (1/3) ... [2018-02-02 21:08:29,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ccf0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:08:29, skipping insertion in model container [2018-02-02 21:08:29,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:08:29" (2/3) ... [2018-02-02 21:08:29,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28ccf0bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:08:29, skipping insertion in model container [2018-02-02 21:08:29,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:08:29" (3/3) ... [2018-02-02 21:08:29,802 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test6_1_false-valid-memtrack_true-termination.i [2018-02-02 21:08:29,807 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:08:29,811 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-02-02 21:08:29,840 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:08:29,841 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:08:29,841 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:08:29,841 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:08:29,841 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:08:29,841 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:08:29,841 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:08:29,841 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:08:29,841 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:08:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-02-02 21:08:29,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 21:08:29,859 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:29,859 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 21:08:29,860 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:29,862 INFO L82 PathProgramCache]: Analyzing trace with hash 3232357, now seen corresponding path program 1 times [2018-02-02 21:08:29,864 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:29,864 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:29,899 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:29,899 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:29,899 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:29,933 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:29,973 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 21:08:29,974 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:29,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:08:29,975 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:08:29,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:08:29,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:08:29,987 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 3 states. [2018-02-02 21:08:30,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:30,149 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2018-02-02 21:08:30,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:08:30,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 21:08:30,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:30,161 INFO L225 Difference]: With dead ends: 79 [2018-02-02 21:08:30,162 INFO L226 Difference]: Without dead ends: 76 [2018-02-02 21:08:30,163 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 21:08:30,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-02 21:08:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 67. [2018-02-02 21:08:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-02 21:08:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2018-02-02 21:08:30,196 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 4 [2018-02-02 21:08:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:30,196 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2018-02-02 21:08:30,196 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:08:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2018-02-02 21:08:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 21:08:30,197 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:30,197 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 21:08:30,197 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:30,197 INFO L82 PathProgramCache]: Analyzing trace with hash 3232358, now seen corresponding path program 1 times [2018-02-02 21:08:30,198 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:30,198 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:30,199 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,199 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:30,199 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:30,213 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:30,262 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 21:08:30,263 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:30,263 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 21:08:30,264 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 21:08:30,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 21:08:30,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 21:08:30,265 INFO L87 Difference]: Start difference. First operand 67 states and 73 transitions. Second operand 3 states. [2018-02-02 21:08:30,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:30,314 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2018-02-02 21:08:30,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 21:08:30,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 21:08:30,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:30,316 INFO L225 Difference]: With dead ends: 116 [2018-02-02 21:08:30,316 INFO L226 Difference]: Without dead ends: 116 [2018-02-02 21:08:30,317 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 21:08:30,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-02-02 21:08:30,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 103. [2018-02-02 21:08:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-02-02 21:08:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2018-02-02 21:08:30,326 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 4 [2018-02-02 21:08:30,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:30,326 INFO L432 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2018-02-02 21:08:30,326 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 21:08:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2018-02-02 21:08:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:08:30,328 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:30,328 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 21:08:30,328 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:30,328 INFO L82 PathProgramCache]: Analyzing trace with hash -293037669, now seen corresponding path program 1 times [2018-02-02 21:08:30,328 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:30,328 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:30,330 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,330 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:30,330 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:30,350 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:30,413 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 21:08:30,413 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:30,413 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:08:30,413 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:08:30,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:08:30,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:08:30,414 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand 6 states. [2018-02-02 21:08:30,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:30,599 INFO L93 Difference]: Finished difference Result 122 states and 141 transitions. [2018-02-02 21:08:30,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 21:08:30,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-02-02 21:08:30,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:30,601 INFO L225 Difference]: With dead ends: 122 [2018-02-02 21:08:30,601 INFO L226 Difference]: Without dead ends: 118 [2018-02-02 21:08:30,601 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 21:08:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-02-02 21:08:30,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 108. [2018-02-02 21:08:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-02-02 21:08:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 131 transitions. [2018-02-02 21:08:30,611 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 131 transitions. Word has length 24 [2018-02-02 21:08:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:30,611 INFO L432 AbstractCegarLoop]: Abstraction has 108 states and 131 transitions. [2018-02-02 21:08:30,611 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:08:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 131 transitions. [2018-02-02 21:08:30,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:08:30,612 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:30,612 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 21:08:30,612 INFO L371 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:30,612 INFO L82 PathProgramCache]: Analyzing trace with hash -293037668, now seen corresponding path program 1 times [2018-02-02 21:08:30,613 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:30,613 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:30,614 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,614 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:30,614 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:30,631 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:30,669 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 21:08:30,670 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:30,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:08:30,670 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:08:30,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:08:30,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:08:30,670 INFO L87 Difference]: Start difference. First operand 108 states and 131 transitions. Second operand 6 states. [2018-02-02 21:08:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:30,702 INFO L93 Difference]: Finished difference Result 120 states and 142 transitions. [2018-02-02 21:08:30,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:08:30,702 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-02-02 21:08:30,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:30,703 INFO L225 Difference]: With dead ends: 120 [2018-02-02 21:08:30,703 INFO L226 Difference]: Without dead ends: 116 [2018-02-02 21:08:30,704 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 21:08:30,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-02-02 21:08:30,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2018-02-02 21:08:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-02-02 21:08:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 134 transitions. [2018-02-02 21:08:30,713 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 134 transitions. Word has length 24 [2018-02-02 21:08:30,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:30,713 INFO L432 AbstractCegarLoop]: Abstraction has 112 states and 134 transitions. [2018-02-02 21:08:30,713 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:08:30,713 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 134 transitions. [2018-02-02 21:08:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:08:30,714 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:30,714 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 21:08:30,714 INFO L371 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash -2126392044, now seen corresponding path program 1 times [2018-02-02 21:08:30,714 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:30,714 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:30,715 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,716 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:30,716 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:30,736 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:30,808 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 21:08:30,808 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:30,809 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:08:30,809 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 21:08:30,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 21:08:30,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:08:30,809 INFO L87 Difference]: Start difference. First operand 112 states and 134 transitions. Second operand 5 states. [2018-02-02 21:08:30,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:30,822 INFO L93 Difference]: Finished difference Result 77 states and 84 transitions. [2018-02-02 21:08:30,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 21:08:30,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-02-02 21:08:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:30,823 INFO L225 Difference]: With dead ends: 77 [2018-02-02 21:08:30,823 INFO L226 Difference]: Without dead ends: 73 [2018-02-02 21:08:30,824 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 21:08:30,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-02-02 21:08:30,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-02-02 21:08:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-02-02 21:08:30,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2018-02-02 21:08:30,827 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 24 [2018-02-02 21:08:30,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:30,828 INFO L432 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2018-02-02 21:08:30,828 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 21:08:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-02-02 21:08:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 21:08:30,828 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:30,828 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 21:08:30,829 INFO L371 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:30,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1815899569, now seen corresponding path program 1 times [2018-02-02 21:08:30,829 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:30,829 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:30,830 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,830 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:30,830 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:30,842 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:30,872 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 21:08:30,872 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:30,872 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:08:30,873 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:08:30,873 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:08:30,873 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:08:30,873 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand 6 states. [2018-02-02 21:08:30,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:30,895 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2018-02-02 21:08:30,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:08:30,896 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-02-02 21:08:30,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:30,897 INFO L225 Difference]: With dead ends: 69 [2018-02-02 21:08:30,897 INFO L226 Difference]: Without dead ends: 69 [2018-02-02 21:08:30,897 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 21:08:30,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-02-02 21:08:30,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-02-02 21:08:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-02-02 21:08:30,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 75 transitions. [2018-02-02 21:08:30,901 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 75 transitions. Word has length 24 [2018-02-02 21:08:30,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:30,902 INFO L432 AbstractCegarLoop]: Abstraction has 69 states and 75 transitions. [2018-02-02 21:08:30,902 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:08:30,902 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 75 transitions. [2018-02-02 21:08:30,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-02 21:08:30,902 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:30,902 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 21:08:30,903 INFO L371 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:30,903 INFO L82 PathProgramCache]: Analyzing trace with hash -510641866, now seen corresponding path program 1 times [2018-02-02 21:08:30,903 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:30,903 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:30,904 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,904 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:30,904 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:30,916 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:30,974 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 21:08:30,974 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:30,974 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:08:30,975 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:08:30,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:08:30,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:08:30,975 INFO L87 Difference]: Start difference. First operand 69 states and 75 transitions. Second operand 6 states. [2018-02-02 21:08:31,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:31,011 INFO L93 Difference]: Finished difference Result 68 states and 74 transitions. [2018-02-02 21:08:31,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:08:31,013 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-02 21:08:31,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:31,014 INFO L225 Difference]: With dead ends: 68 [2018-02-02 21:08:31,014 INFO L226 Difference]: Without dead ends: 68 [2018-02-02 21:08:31,014 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 21:08:31,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-02-02 21:08:31,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-02-02 21:08:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-02-02 21:08:31,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2018-02-02 21:08:31,018 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 26 [2018-02-02 21:08:31,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:31,019 INFO L432 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2018-02-02 21:08:31,019 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:08:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2018-02-02 21:08:31,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-02 21:08:31,020 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:31,020 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 21:08:31,020 INFO L371 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:31,020 INFO L82 PathProgramCache]: Analyzing trace with hash -510641865, now seen corresponding path program 1 times [2018-02-02 21:08:31,020 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:31,020 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:31,021 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:31,022 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:31,022 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:31,032 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:31,068 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 21:08:31,068 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:08:31,068 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:08:31,069 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:08:31,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:08:31,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:08:31,069 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand 6 states. [2018-02-02 21:08:31,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:08:31,123 INFO L93 Difference]: Finished difference Result 67 states and 73 transitions. [2018-02-02 21:08:31,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:08:31,123 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-02-02 21:08:31,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:08:31,124 INFO L225 Difference]: With dead ends: 67 [2018-02-02 21:08:31,124 INFO L226 Difference]: Without dead ends: 67 [2018-02-02 21:08:31,124 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 21:08:31,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-02-02 21:08:31,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-02-02 21:08:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-02 21:08:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 73 transitions. [2018-02-02 21:08:31,126 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 73 transitions. Word has length 26 [2018-02-02 21:08:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:08:31,127 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 73 transitions. [2018-02-02 21:08:31,127 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:08:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 73 transitions. [2018-02-02 21:08:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-02-02 21:08:31,127 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:08:31,127 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 21:08:31,127 INFO L371 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr0RequiresViolation, mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, entry_pointErr0RequiresViolation, entry_pointErr1RequiresViolation, probe2_6Err1RequiresViolation, probe2_6Err0RequiresViolation, probe2_6Err2RequiresViolation, probe2_6Err3RequiresViolation]=== [2018-02-02 21:08:31,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1858419564, now seen corresponding path program 1 times [2018-02-02 21:08:31,127 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:08:31,128 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:08:31,128 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:31,128 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:08:31,129 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:08:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:08:31,138 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:08:31,142 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 21:08:31,149 INFO L168 Benchmark]: Toolchain (without parser) took 1790.15 ms. Allocated memory was 404.8 MB in the beginning and 615.0 MB in the end (delta: 210.2 MB). Free memory was 358.8 MB in the beginning and 449.1 MB in the end (delta: -90.4 MB). Peak memory consumption was 119.8 MB. Max. memory is 5.3 GB. [2018-02-02 21:08:31,150 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 404.8 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:08:31,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.84 ms. Allocated memory is still 404.8 MB. Free memory was 358.8 MB in the beginning and 345.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-02 21:08:31,150 INFO L168 Benchmark]: Boogie Preprocessor took 28.71 ms. Allocated memory is still 404.8 MB. Free memory was 345.5 MB in the beginning and 344.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 21:08:31,150 INFO L168 Benchmark]: RCFGBuilder took 239.85 ms. Allocated memory is still 404.8 MB. Free memory was 344.2 MB in the beginning and 321.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. [2018-02-02 21:08:31,150 INFO L168 Benchmark]: TraceAbstraction took 1350.61 ms. Allocated memory was 404.8 MB in the beginning and 615.0 MB in the end (delta: 210.2 MB). Free memory was 321.7 MB in the beginning and 449.1 MB in the end (delta: -127.4 MB). Peak memory consumption was 82.8 MB. Max. memory is 5.3 GB. [2018-02-02 21:08:31,152 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 404.8 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 167.84 ms. Allocated memory is still 404.8 MB. Free memory was 358.8 MB in the beginning and 345.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.71 ms. Allocated memory is still 404.8 MB. Free memory was 345.5 MB in the beginning and 344.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 239.85 ms. Allocated memory is still 404.8 MB. Free memory was 344.2 MB in the beginning and 321.7 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1350.61 ms. Allocated memory was 404.8 MB in the beginning and 615.0 MB in the end (delta: 210.2 MB). Free memory was 321.7 MB in the beginning and 449.1 MB in the end (delta: -127.4 MB). Peak memory consumption was 82.8 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_1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-08-31-157.csv Received shutdown request...