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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/memsafety/test-memleak_nexttime_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:40:02,887 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:40:02,889 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:40:02,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:40:02,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:40:02,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:40:02,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:40:02,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:40:02,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:40:02,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:40:02,911 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:40:02,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:40:02,912 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:40:02,913 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:40:02,914 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:40:02,916 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:40:02,917 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:40:02,919 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:40:02,920 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:40:02,921 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:40:02,923 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:40:02,923 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:40:02,924 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:40:02,925 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:40:02,925 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:40:02,926 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:40:02,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:40:02,927 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:40:02,927 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:40:02,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:40:02,928 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:40:02,928 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 10:40:02,939 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:40:02,939 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:40:02,940 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:40:02,941 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:40:02,941 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:40:02,941 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:40:02,941 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:40:02,942 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:40:02,942 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:40:02,942 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:40:02,942 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:40:02,942 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:40:02,943 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:40:02,943 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:40:02,943 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:40:02,943 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:40:02,943 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:40:02,944 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:40:02,944 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:40:02,944 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:40:02,944 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:40:02,944 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:40:02,944 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:40:02,945 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:40:02,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:40:02,986 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:40:02,989 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:40:02,990 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:40:02,993 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:40:02,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-02-02 10:40:03,132 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:40:03,133 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:40:03,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:40:03,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:40:03,140 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:40:03,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89f864e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03, skipping insertion in model container [2018-02-02 10:40:03,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,154 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:40:03,184 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:40:03,268 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:40:03,282 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:40:03,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03 WrapperNode [2018-02-02 10:40:03,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:40:03,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:40:03,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:40:03,292 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:40:03,305 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (1/1) ... [2018-02-02 10:40:03,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:40:03,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:40:03,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:40:03,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:40:03,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (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 10:40:03,360 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:40:03,360 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:40:03,360 INFO L136 BoogieDeclarations]: Found implementation of procedure foo [2018-02-02 10:40:03,360 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:40:03,360 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:40:03,360 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:40:03,360 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:40:03,360 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-02-02 10:40:03,361 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure foo [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:40:03,361 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:40:03,462 WARN L455 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-02-02 10:40:03,542 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:40:03,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:40:03 BoogieIcfgContainer [2018-02-02 10:40:03,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:40:03,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:40:03,543 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:40:03,545 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:40:03,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:40:03" (1/3) ... [2018-02-02 10:40:03,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb1a68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:40:03, skipping insertion in model container [2018-02-02 10:40:03,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:40:03" (2/3) ... [2018-02-02 10:40:03,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb1a68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:40:03, skipping insertion in model container [2018-02-02 10:40:03,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:40:03" (3/3) ... [2018-02-02 10:40:03,548 INFO L107 eAbstractionObserver]: Analyzing ICFG test-memleak_nexttime_true-valid-memsafety_true-termination.i [2018-02-02 10:40:03,553 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:40:03,558 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2018-02-02 10:40:03,580 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:40:03,580 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:40:03,581 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:40:03,581 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:40:03,581 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:40:03,581 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:40:03,581 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:40:03,581 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:40:03,581 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:40:03,590 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-02-02 10:40:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 10:40:03,595 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:03,595 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 10:40:03,596 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr7RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr4RequiresViolation, ULTIMATE.initErr0RequiresViolation, ULTIMATE.initErr6RequiresViolation, ULTIMATE.initErr5RequiresViolation, fooErr1RequiresViolation, fooErr5RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr4RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 10:40:03,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2931467, now seen corresponding path program 1 times [2018-02-02 10:40:03,638 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:03,670 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:03,707 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 10:40:03,709 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:40:03,709 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:40:03,710 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:40:03,710 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 10:40:03,710 INFO L182 omatonBuilderFactory]: Interpolants [64#false, 65#(= 1 (select |#valid| |~#a.base|)), 63#true] [2018-02-02 10:40:03,710 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 10:40:03,711 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:40:03,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:40:03,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:40:03,726 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 3 states. [2018-02-02 10:40:03,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:40:03,875 INFO L93 Difference]: Finished difference Result 60 states and 61 transitions. [2018-02-02 10:40:03,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:40:03,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 10:40:03,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:40:03,885 INFO L225 Difference]: With dead ends: 60 [2018-02-02 10:40:03,885 INFO L226 Difference]: Without dead ends: 57 [2018-02-02 10:40:03,888 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 10:40:03,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-02-02 10:40:03,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-02-02 10:40:03,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-02-02 10:40:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2018-02-02 10:40:03,979 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 4 [2018-02-02 10:40:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:40:03,979 INFO L432 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2018-02-02 10:40:03,979 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:40:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-02-02 10:40:03,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-02-02 10:40:03,979 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:03,979 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-02-02 10:40:03,979 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr7RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr4RequiresViolation, ULTIMATE.initErr0RequiresViolation, ULTIMATE.initErr6RequiresViolation, ULTIMATE.initErr5RequiresViolation, fooErr1RequiresViolation, fooErr5RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr4RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 10:40:03,980 INFO L82 PathProgramCache]: Analyzing trace with hash 2931468, now seen corresponding path program 1 times [2018-02-02 10:40:03,980 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:03,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:03,995 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:04,157 WARN L146 SmtUtils]: Spent 118ms on a formula simplification. DAG size of input: 13 DAG size of output 9 [2018-02-02 10:40:04,157 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 10:40:04,158 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:40:04,158 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:40:04,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:40:04,158 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 10:40:04,158 INFO L182 omatonBuilderFactory]: Interpolants [183#true, 184#false, 185#(and (= |~#a.offset| 0) (= (select |#length| |~#a.base|) 4))] [2018-02-02 10:40:04,158 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 10:40:04,159 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:40:04,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:40:04,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:40:04,160 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 3 states. [2018-02-02 10:40:04,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:40:04,192 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-02-02 10:40:04,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:40:04,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-02-02 10:40:04,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:40:04,193 INFO L225 Difference]: With dead ends: 53 [2018-02-02 10:40:04,193 INFO L226 Difference]: Without dead ends: 53 [2018-02-02 10:40:04,194 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:40:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-02-02 10:40:04,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-02-02 10:40:04,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-02-02 10:40:04,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-02-02 10:40:04,199 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 4 [2018-02-02 10:40:04,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:40:04,199 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-02-02 10:40:04,199 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:40:04,199 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-02-02 10:40:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-02-02 10:40:04,200 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:40:04,200 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:40:04,200 INFO L371 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.initErr3RequiresViolation, ULTIMATE.initErr1RequiresViolation, ULTIMATE.initErr7RequiresViolation, ULTIMATE.initErr2RequiresViolation, ULTIMATE.initErr4RequiresViolation, ULTIMATE.initErr0RequiresViolation, ULTIMATE.initErr6RequiresViolation, ULTIMATE.initErr5RequiresViolation, fooErr1RequiresViolation, fooErr5RequiresViolation, fooErr0RequiresViolation, fooErr2RequiresViolation, fooErr4RequiresViolation, fooErr3RequiresViolation, mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 10:40:04,200 INFO L82 PathProgramCache]: Analyzing trace with hash -240006955, now seen corresponding path program 1 times [2018-02-02 10:40:04,201 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:40:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:40:04,225 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:40:04,236 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.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) 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 10:40:04,241 INFO L168 Benchmark]: Toolchain (without parser) took 1108.14 ms. Allocated memory was 391.1 MB in the beginning and 591.4 MB in the end (delta: 200.3 MB). Free memory was 345.2 MB in the beginning and 544.6 MB in the end (delta: -199.4 MB). Peak memory consumption was 881.2 kB. Max. memory is 5.3 GB. [2018-02-02 10:40:04,242 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 391.1 MB. Free memory is still 350.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:40:04,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 157.34 ms. Allocated memory is still 391.1 MB. Free memory was 345.2 MB in the beginning and 334.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:04,243 INFO L168 Benchmark]: Boogie Preprocessor took 30.98 ms. Allocated memory is still 391.1 MB. Free memory was 334.6 MB in the beginning and 332.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:04,243 INFO L168 Benchmark]: RCFGBuilder took 219.54 ms. Allocated memory is still 391.1 MB. Free memory was 332.0 MB in the beginning and 309.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. [2018-02-02 10:40:04,244 INFO L168 Benchmark]: TraceAbstraction took 697.02 ms. Allocated memory was 391.1 MB in the beginning and 591.4 MB in the end (delta: 200.3 MB). Free memory was 309.3 MB in the beginning and 544.6 MB in the end (delta: -235.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:40:04,246 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 391.1 MB. Free memory is still 350.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 157.34 ms. Allocated memory is still 391.1 MB. Free memory was 345.2 MB in the beginning and 334.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.98 ms. Allocated memory is still 391.1 MB. Free memory was 334.6 MB in the beginning and 332.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 219.54 ms. Allocated memory is still 391.1 MB. Free memory was 332.0 MB in the beginning and 309.3 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 697.02 ms. Allocated memory was 391.1 MB in the beginning and 591.4 MB in the end (delta: 200.3 MB). Free memory was 309.3 MB in the beginning and 544.6 MB in the end (delta: -235.3 MB). There was no memory consumed. 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/test-memleak_nexttime_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-40-04-253.csv Received shutdown request...