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_test7_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 21:10:00,893 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 21:10:00,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 21:10:00,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 21:10:00,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 21:10:00,904 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 21:10:00,905 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 21:10:00,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 21:10:00,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 21:10:00,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 21:10:00,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 21:10:00,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 21:10:00,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 21:10:00,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 21:10:00,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 21:10:00,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 21:10:00,916 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 21:10:00,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 21:10:00,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 21:10:00,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 21:10:00,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 21:10:00,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 21:10:00,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 21:10:00,925 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 21:10:00,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 21:10:00,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 21:10:00,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 21:10:00,936 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 21:10:00,936 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 21:10:00,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 21:10:00,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 21:10:00,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 21:10:00,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 21:10:00,937 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 21:10:00,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 21:10:00,937 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 21:10:00,937 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 21:10:00,938 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 21:10:00,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 21:10:00,938 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 21:10:00,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 21:10:00,938 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 21:10:00,938 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 21:10:00,938 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 21:10:00,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 21:10:00,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 21:10:00,939 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 21:10:00,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 21:10:00,939 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 21:10:00,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 21:10:00,977 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 21:10:00,981 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 21:10:00,982 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 21:10:00,982 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 21:10:00,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test7_true-valid-memsafety_true-termination.i [2018-02-02 21:10:01,128 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 21:10:01,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 21:10:01,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 21:10:01,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 21:10:01,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 21:10:01,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ce2b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01, skipping insertion in model container [2018-02-02 21:10:01,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,151 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:10:01,186 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 21:10:01,279 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:10:01,293 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 21:10:01,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01 WrapperNode [2018-02-02 21:10:01,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 21:10:01,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 21:10:01,299 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 21:10:01,299 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 21:10:01,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (1/1) ... [2018-02-02 21:10:01,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 21:10:01,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 21:10:01,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 21:10:01,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 21:10:01,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (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 21:10:01,358 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure f6 [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure g6 [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure probe1_6 [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_6 [2018-02-02 21:10:01,359 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-02 21:10:01,360 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 21:10:01,360 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure f6 [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure g6 [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure probe1_6 [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_6 [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-02 21:10:01,361 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 21:10:01,362 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 21:10:01,362 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 21:10:01,559 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 21:10:01,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:10:01 BoogieIcfgContainer [2018-02-02 21:10:01,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 21:10:01,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 21:10:01,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 21:10:01,563 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 21:10:01,563 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:10:01" (1/3) ... [2018-02-02 21:10:01,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58adc6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:10:01, skipping insertion in model container [2018-02-02 21:10:01,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:10:01" (2/3) ... [2018-02-02 21:10:01,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58adc6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:10:01, skipping insertion in model container [2018-02-02 21:10:01,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:10:01" (3/3) ... [2018-02-02 21:10:01,565 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test7_true-valid-memsafety_true-termination.i [2018-02-02 21:10:01,571 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 21:10:01,576 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-02 21:10:01,609 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 21:10:01,609 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 21:10:01,609 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 21:10:01,609 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 21:10:01,609 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 21:10:01,610 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 21:10:01,610 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 21:10:01,610 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 21:10:01,610 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 21:10:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-02-02 21:10:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 21:10:01,642 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:01,643 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] [2018-02-02 21:10:01,644 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-02 21:10:01,648 INFO L82 PathProgramCache]: Analyzing trace with hash -554404132, now seen corresponding path program 1 times [2018-02-02 21:10:01,650 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:01,650 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:01,706 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:01,706 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:01,706 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:01,771 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:01,899 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 21:10:01,901 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:01,901 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:10:01,902 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 21:10:01,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 21:10:01,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 21:10:01,975 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 5 states. [2018-02-02 21:10:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:02,021 INFO L93 Difference]: Finished difference Result 68 states and 72 transitions. [2018-02-02 21:10:02,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 21:10:02,023 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2018-02-02 21:10:02,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:02,038 INFO L225 Difference]: With dead ends: 68 [2018-02-02 21:10:02,038 INFO L226 Difference]: Without dead ends: 65 [2018-02-02 21:10:02,040 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 21:10:02,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-02-02 21:10:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2018-02-02 21:10:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-02-02 21:10:02,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2018-02-02 21:10:02,070 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 23 [2018-02-02 21:10:02,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:02,071 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2018-02-02 21:10:02,071 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 21:10:02,071 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2018-02-02 21:10:02,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 21:10:02,071 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:02,071 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] [2018-02-02 21:10:02,071 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-02 21:10:02,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1190293187, now seen corresponding path program 1 times [2018-02-02 21:10:02,072 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:02,072 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:02,073 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,073 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:02,073 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:02,091 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:02,149 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 21:10:02,149 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:02,150 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:10:02,151 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:10:02,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:10:02,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:10:02,152 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand 6 states. [2018-02-02 21:10:02,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:02,433 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2018-02-02 21:10:02,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 21:10:02,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-02-02 21:10:02,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:02,435 INFO L225 Difference]: With dead ends: 75 [2018-02-02 21:10:02,436 INFO L226 Difference]: Without dead ends: 75 [2018-02-02 21:10:02,436 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-02-02 21:10:02,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-02-02 21:10:02,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 70. [2018-02-02 21:10:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-02-02 21:10:02,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2018-02-02 21:10:02,446 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 23 [2018-02-02 21:10:02,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:02,447 INFO L432 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2018-02-02 21:10:02,447 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:10:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2018-02-02 21:10:02,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 21:10:02,448 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:02,448 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] [2018-02-02 21:10:02,448 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-02 21:10:02,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1190293188, now seen corresponding path program 1 times [2018-02-02 21:10:02,449 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:02,449 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:02,450 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,450 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:02,451 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:02,466 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:02,514 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 21:10:02,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:02,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 21:10:02,515 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:10:02,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:10:02,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:10:02,516 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 6 states. [2018-02-02 21:10:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:02,580 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2018-02-02 21:10:02,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:10:02,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-02-02 21:10:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:02,582 INFO L225 Difference]: With dead ends: 75 [2018-02-02 21:10:02,582 INFO L226 Difference]: Without dead ends: 75 [2018-02-02 21:10:02,582 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 21:10:02,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-02-02 21:10:02,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 67. [2018-02-02 21:10:02,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-02 21:10:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2018-02-02 21:10:02,588 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 23 [2018-02-02 21:10:02,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:02,589 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2018-02-02 21:10:02,589 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:10:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2018-02-02 21:10:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 21:10:02,590 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:02,590 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] [2018-02-02 21:10:02,590 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-02 21:10:02,590 INFO L82 PathProgramCache]: Analyzing trace with hash 787364094, now seen corresponding path program 1 times [2018-02-02 21:10:02,590 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:02,590 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:02,592 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,592 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:02,592 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:02,628 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:02,672 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 21:10:02,672 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:02,672 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:10:02,672 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:10:02,673 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:10:02,673 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:10:02,673 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand 6 states. [2018-02-02 21:10:02,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:02,792 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-02-02 21:10:02,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-02 21:10:02,793 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-02-02 21:10:02,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:02,794 INFO L225 Difference]: With dead ends: 66 [2018-02-02 21:10:02,794 INFO L226 Difference]: Without dead ends: 66 [2018-02-02 21:10:02,794 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 21:10:02,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-02-02 21:10:02,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-02-02 21:10:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-02-02 21:10:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 70 transitions. [2018-02-02 21:10:02,799 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 70 transitions. Word has length 25 [2018-02-02 21:10:02,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:02,799 INFO L432 AbstractCegarLoop]: Abstraction has 66 states and 70 transitions. [2018-02-02 21:10:02,799 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:10:02,799 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 70 transitions. [2018-02-02 21:10:02,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 21:10:02,800 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:02,800 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] [2018-02-02 21:10:02,800 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-02 21:10:02,800 INFO L82 PathProgramCache]: Analyzing trace with hash 787364095, now seen corresponding path program 1 times [2018-02-02 21:10:02,800 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:02,801 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:02,802 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,802 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:02,802 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:02,813 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:02,921 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 21:10:02,921 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 21:10:02,922 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 21:10:02,922 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 21:10:02,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 21:10:02,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 21:10:02,923 INFO L87 Difference]: Start difference. First operand 66 states and 70 transitions. Second operand 6 states. [2018-02-02 21:10:03,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 21:10:03,014 INFO L93 Difference]: Finished difference Result 69 states and 73 transitions. [2018-02-02 21:10:03,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 21:10:03,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-02-02 21:10:03,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 21:10:03,015 INFO L225 Difference]: With dead ends: 69 [2018-02-02 21:10:03,016 INFO L226 Difference]: Without dead ends: 69 [2018-02-02 21:10:03,016 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 21:10:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-02-02 21:10:03,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2018-02-02 21:10:03,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-02-02 21:10:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2018-02-02 21:10:03,019 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 25 [2018-02-02 21:10:03,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 21:10:03,020 INFO L432 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2018-02-02 21:10:03,020 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 21:10:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2018-02-02 21:10:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-02 21:10:03,020 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 21:10:03,020 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] [2018-02-02 21:10:03,020 INFO L371 AbstractCegarLoop]: === Iteration 6 === [mainErr0EnsuresViolation, disconnect_6Err0RequiresViolation, disconnect_6Err2RequiresViolation, disconnect_6Err1RequiresViolation, disconnect_6Err3RequiresViolation, probe1_6Err1RequiresViolation, probe1_6Err2RequiresViolation, probe1_6Err3RequiresViolation, probe1_6Err0RequiresViolation]=== [2018-02-02 21:10:03,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1459091407, now seen corresponding path program 1 times [2018-02-02 21:10:03,020 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 21:10:03,021 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 21:10:03,022 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:03,022 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 21:10:03,022 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 21:10:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 21:10:03,034 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 21:10:03,039 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 21:10:03,042 INFO L168 Benchmark]: Toolchain (without parser) took 1913.33 ms. Allocated memory was 401.1 MB in the beginning and 604.0 MB in the end (delta: 202.9 MB). Free memory was 357.7 MB in the beginning and 482.3 MB in the end (delta: -124.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:03,043 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 21:10:03,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.68 ms. Allocated memory is still 401.1 MB. Free memory was 357.7 MB in the beginning and 344.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:03,043 INFO L168 Benchmark]: Boogie Preprocessor took 23.03 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 343.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:03,043 INFO L168 Benchmark]: RCFGBuilder took 237.35 ms. Allocated memory is still 401.1 MB. Free memory was 343.2 MB in the beginning and 322.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:03,043 INFO L168 Benchmark]: TraceAbstraction took 1481.08 ms. Allocated memory was 401.1 MB in the beginning and 604.0 MB in the end (delta: 202.9 MB). Free memory was 322.0 MB in the beginning and 482.3 MB in the end (delta: -160.2 MB). Peak memory consumption was 42.7 MB. Max. memory is 5.3 GB. [2018-02-02 21:10:03,044 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 168.68 ms. Allocated memory is still 401.1 MB. Free memory was 357.7 MB in the beginning and 344.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.03 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 343.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 237.35 ms. Allocated memory is still 401.1 MB. Free memory was 343.2 MB in the beginning and 322.0 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1481.08 ms. Allocated memory was 401.1 MB in the beginning and 604.0 MB in the end (delta: 202.9 MB). Free memory was 322.0 MB in the beginning and 482.3 MB in the end (delta: -160.2 MB). Peak memory consumption was 42.7 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_test7_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_21-10-03-050.csv Received shutdown request...