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_Camel.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-a74eeac-m [2018-02-02 18:43:06,841 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 18:43:06,842 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 18:43:06,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 18:43:06,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 18:43:06,855 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 18:43:06,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 18:43:06,857 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 18:43:06,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 18:43:06,859 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 18:43:06,860 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 18:43:06,860 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 18:43:06,861 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 18:43:06,862 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 18:43:06,863 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 18:43:06,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 18:43:06,866 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 18:43:06,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 18:43:06,868 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 18:43:06,869 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 18:43:06,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 18:43:06,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 18:43:06,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 18:43:06,872 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 18:43:06,872 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 18:43:06,873 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 18:43:06,873 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 18:43:06,874 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 18:43:06,874 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 18:43:06,874 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 18:43:06,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 18:43:06,875 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf [2018-02-02 18:43:06,883 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 18:43:06,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 18:43:06,884 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 18:43:06,885 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 18:43:06,885 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 18:43:06,885 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 18:43:06,885 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 18:43:06,885 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 18:43:06,885 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 18:43:06,886 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 18:43:06,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 18:43:06,887 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 18:43:06,887 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 18:43:06,887 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 18:43:06,887 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 18:43:06,887 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 18:43:06,888 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 18:43:06,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 18:43:06,888 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-02-02 18:43:06,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 18:43:06,925 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 18:43:06,928 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 18:43:06,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 18:43:06,929 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 18:43:06,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-02-02 18:43:07,040 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 18:43:07,041 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 18:43:07,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 18:43:07,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 18:43:07,046 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 18:43:07,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339ae710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07, skipping insertion in model container [2018-02-02 18:43:07,049 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,059 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 18:43:07,085 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 18:43:07,167 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 18:43:07,178 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 18:43:07,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07 WrapperNode [2018-02-02 18:43:07,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 18:43:07,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 18:43:07,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 18:43:07,186 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 18:43:07,196 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (1/1) ... [2018-02-02 18:43:07,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 18:43:07,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 18:43:07,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 18:43:07,208 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 18:43:07,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (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 18:43:07,242 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 18:43:07,242 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 18:43:07,242 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 18:43:07,242 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 18:43:07,242 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 18:43:07,242 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 18:43:07,242 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 18:43:07,243 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 18:43:07,243 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 18:43:07,243 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 18:43:07,243 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 18:43:07,243 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 18:43:07,243 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 18:43:07,350 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 18:43:07,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 06:43:07 BoogieIcfgContainer [2018-02-02 18:43:07,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 18:43:07,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 18:43:07,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 18:43:07,353 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 18:43:07,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 06:43:07" (1/3) ... [2018-02-02 18:43:07,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c32bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 06:43:07, skipping insertion in model container [2018-02-02 18:43:07,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 06:43:07" (2/3) ... [2018-02-02 18:43:07,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c32bd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 06:43:07, skipping insertion in model container [2018-02-02 18:43:07,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 06:43:07" (3/3) ... [2018-02-02 18:43:07,355 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2018-02-02 18:43:07,360 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 18:43:07,364 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-02 18:43:07,392 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 18:43:07,392 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 18:43:07,392 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 18:43:07,392 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 18:43:07,392 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 18:43:07,392 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 18:43:07,393 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 18:43:07,393 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 18:43:07,393 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 18:43:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-02-02 18:43:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 18:43:07,413 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 18:43:07,414 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 18:43:07,414 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 18:43:07,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1417784654, now seen corresponding path program 1 times [2018-02-02 18:43:07,420 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 18:43:07,420 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 18:43:07,463 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,463 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 18:43:07,463 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 18:43:07,505 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 18:43:07,597 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 18:43:07,599 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 18:43:07,599 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 18:43:07,601 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 18:43:07,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 18:43:07,612 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 18:43:07,613 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 3 states. [2018-02-02 18:43:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 18:43:07,654 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-02-02 18:43:07,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 18:43:07,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-02-02 18:43:07,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 18:43:07,663 INFO L225 Difference]: With dead ends: 24 [2018-02-02 18:43:07,663 INFO L226 Difference]: Without dead ends: 21 [2018-02-02 18:43:07,664 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 18:43:07,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-02-02 18:43:07,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-02-02 18:43:07,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-02-02 18:43:07,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-02-02 18:43:07,726 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 8 [2018-02-02 18:43:07,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 18:43:07,726 INFO L432 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-02-02 18:43:07,726 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 18:43:07,726 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-02-02 18:43:07,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 18:43:07,727 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 18:43:07,727 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 18:43:07,727 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 18:43:07,727 INFO L82 PathProgramCache]: Analyzing trace with hash 1417784655, now seen corresponding path program 1 times [2018-02-02 18:43:07,727 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 18:43:07,727 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 18:43:07,728 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,728 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 18:43:07,728 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 18:43:07,745 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 18:43:07,785 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 18:43:07,785 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 18:43:07,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 18:43:07,787 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 18:43:07,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 18:43:07,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-02 18:43:07,787 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 4 states. [2018-02-02 18:43:07,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 18:43:07,825 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-02-02 18:43:07,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 18:43:07,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 18:43:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 18:43:07,826 INFO L225 Difference]: With dead ends: 18 [2018-02-02 18:43:07,826 INFO L226 Difference]: Without dead ends: 18 [2018-02-02 18:43:07,827 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-02 18:43:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-02-02 18:43:07,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-02-02 18:43:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-02-02 18:43:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-02-02 18:43:07,830 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 8 [2018-02-02 18:43:07,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 18:43:07,830 INFO L432 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-02-02 18:43:07,830 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 18:43:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-02-02 18:43:07,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-02 18:43:07,831 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 18:43:07,831 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 18:43:07,831 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 18:43:07,832 INFO L82 PathProgramCache]: Analyzing trace with hash 514218689, now seen corresponding path program 1 times [2018-02-02 18:43:07,832 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 18:43:07,832 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 18:43:07,833 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,833 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 18:43:07,833 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 18:43:07,849 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 18:43:07,890 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 18:43:07,890 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 18:43:07,890 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 18:43:07,891 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 18:43:07,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 18:43:07,891 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 18:43:07,891 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 5 states. [2018-02-02 18:43:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 18:43:07,939 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-02-02 18:43:07,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 18:43:07,940 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-02-02 18:43:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 18:43:07,941 INFO L225 Difference]: With dead ends: 17 [2018-02-02 18:43:07,941 INFO L226 Difference]: Without dead ends: 17 [2018-02-02 18:43:07,941 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-02 18:43:07,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-02-02 18:43:07,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-02-02 18:43:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-02-02 18:43:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2018-02-02 18:43:07,943 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 11 [2018-02-02 18:43:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 18:43:07,943 INFO L432 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2018-02-02 18:43:07,943 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 18:43:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-02-02 18:43:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-02 18:43:07,944 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 18:43:07,944 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 18:43:07,944 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 18:43:07,944 INFO L82 PathProgramCache]: Analyzing trace with hash 514218690, now seen corresponding path program 1 times [2018-02-02 18:43:07,945 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 18:43:07,945 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 18:43:07,945 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,946 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 18:43:07,946 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 18:43:07,955 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 18:43:07,996 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 18:43:07,997 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 18:43:07,997 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 18:43:07,997 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 18:43:07,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 18:43:07,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 18:43:07,998 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 5 states. [2018-02-02 18:43:08,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 18:43:08,046 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-02-02 18:43:08,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 18:43:08,047 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-02-02 18:43:08,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 18:43:08,047 INFO L225 Difference]: With dead ends: 16 [2018-02-02 18:43:08,047 INFO L226 Difference]: Without dead ends: 16 [2018-02-02 18:43:08,048 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-02-02 18:43:08,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-02-02 18:43:08,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-02-02 18:43:08,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-02-02 18:43:08,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-02-02 18:43:08,050 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2018-02-02 18:43:08,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 18:43:08,050 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-02-02 18:43:08,050 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 18:43:08,050 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-02-02 18:43:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 18:43:08,051 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 18:43:08,051 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 18:43:08,051 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-02 18:43:08,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1518594947, now seen corresponding path program 1 times [2018-02-02 18:43:08,051 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-02-02 18:43:08,051 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-02-02 18:43:08,052 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:08,052 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 18:43:08,052 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 18:43:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 18:43:08,064 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 18:43:08,208 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 18:43:08,208 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 18:43:08,208 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 18:43:08,208 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 18:43:08,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 18:43:08,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-02 18:43:08,209 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 8 states. [2018-02-02 18:43:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 18:43:08,345 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2018-02-02 18:43:08,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 18:43:08,345 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-02-02 18:43:08,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 18:43:08,345 INFO L225 Difference]: With dead ends: 15 [2018-02-02 18:43:08,346 INFO L226 Difference]: Without dead ends: 0 [2018-02-02 18:43:08,346 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-02-02 18:43:08,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-02 18:43:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-02 18:43:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-02 18:43:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-02 18:43:08,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-02-02 18:43:08,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 18:43:08,347 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-02 18:43:08,347 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 18:43:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-02 18:43:08,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-02 18:43:08,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 06:43:08 BoogieIcfgContainer [2018-02-02 18:43:08,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 18:43:08,352 INFO L168 Benchmark]: Toolchain (without parser) took 1311.82 ms. Allocated memory was 405.3 MB in the beginning and 613.4 MB in the end (delta: 208.1 MB). Free memory was 359.1 MB in the beginning and 484.9 MB in the end (delta: -125.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 5.3 GB. [2018-02-02 18:43:08,353 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 405.3 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 18:43:08,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.58 ms. Allocated memory is still 405.3 MB. Free memory was 359.1 MB in the beginning and 348.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 18:43:08,354 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 405.3 MB. Free memory was 348.5 MB in the beginning and 345.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 18:43:08,354 INFO L168 Benchmark]: RCFGBuilder took 142.95 ms. Allocated memory is still 405.3 MB. Free memory was 345.9 MB in the beginning and 331.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-02-02 18:43:08,354 INFO L168 Benchmark]: TraceAbstraction took 1000.51 ms. Allocated memory was 405.3 MB in the beginning and 613.4 MB in the end (delta: 208.1 MB). Free memory was 331.3 MB in the beginning and 484.9 MB in the end (delta: -153.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 5.3 GB. [2018-02-02 18:43:08,355 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 405.3 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 143.58 ms. Allocated memory is still 405.3 MB. Free memory was 359.1 MB in the beginning and 348.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 405.3 MB. Free memory was 348.5 MB in the beginning and 345.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 142.95 ms. Allocated memory is still 405.3 MB. Free memory was 345.9 MB in the beginning and 331.3 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1000.51 ms. Allocated memory was 405.3 MB in the beginning and 613.4 MB in the end (delta: 208.1 MB). Free memory was 331.3 MB in the beginning and 484.9 MB in the end (delta: -153.5 MB). Peak memory consumption was 54.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 619]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 27 locations, 9 error locations. SAFE Result, 0.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 SDtfs, 38 SDslu, 68 SDs, 0 SdLazy, 110 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 6 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 3453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_18-43-08-362.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_18-43-08-362.csv Received shutdown request...