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_Array.epf -i ../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 15:25:12,797 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 15:25:12,799 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 15:25:12,811 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 15:25:12,811 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 15:25:12,811 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 15:25:12,812 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 15:25:12,813 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 15:25:12,814 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 15:25:12,815 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 15:25:12,816 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 15:25:12,816 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 15:25:12,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 15:25:12,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 15:25:12,819 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 15:25:12,821 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 15:25:12,822 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 15:25:12,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 15:25:12,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 15:25:12,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 15:25:12,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 15:25:12,831 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 15:25:12,832 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 15:25:12,832 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_Array.epf [2018-02-04 15:25:12,841 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 15:25:12,842 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 15:25:12,842 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 15:25:12,843 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 15:25:12,843 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 15:25:12,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 15:25:12,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 15:25:12,843 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 15:25:12,843 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 15:25:12,843 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 15:25:12,844 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 15:25:12,844 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 15:25:12,844 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 15:25:12,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 15:25:12,844 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 15:25:12,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 15:25:12,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 15:25:12,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 15:25:12,845 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 15:25:12,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 15:25:12,845 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 15:25:12,845 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 15:25:12,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 15:25:12,881 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 15:25:12,886 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 15:25:12,887 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 15:25:12,887 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 15:25:12,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety/test-0158_true-valid-memsafety_true-termination.i [2018-02-04 15:25:13,006 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 15:25:13,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 15:25:13,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 15:25:13,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 15:25:13,014 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 15:25:13,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:25:12" (1/1) ... [2018-02-04 15:25:13,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9caa67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13, skipping insertion in model container [2018-02-04 15:25:13,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:25:12" (1/1) ... [2018-02-04 15:25:13,034 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 15:25:13,068 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 15:25:13,147 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 15:25:13,156 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 15:25:13,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13 WrapperNode [2018-02-04 15:25:13,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 15:25:13,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 15:25:13,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 15:25:13,162 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 15:25:13,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (1/1) ... [2018-02-04 15:25:13,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 15:25:13,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 15:25:13,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 15:25:13,180 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 15:25:13,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (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 [2018-02-04 15:25:13,215 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 15:25:13,215 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 15:25:13,215 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 15:25:13,215 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 15:25:13,216 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 15:25:13,217 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 15:25:13,421 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 15:25:13,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:25:13 BoogieIcfgContainer [2018-02-04 15:25:13,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 15:25:13,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 15:25:13,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 15:25:13,424 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 15:25:13,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:25:12" (1/3) ... [2018-02-04 15:25:13,424 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775d0acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:25:13, skipping insertion in model container [2018-02-04 15:25:13,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:25:13" (2/3) ... [2018-02-04 15:25:13,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775d0acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:25:13, skipping insertion in model container [2018-02-04 15:25:13,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:25:13" (3/3) ... [2018-02-04 15:25:13,426 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_true-valid-memsafety_true-termination.i [2018-02-04 15:25:13,433 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 15:25:13,438 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-04 15:25:13,467 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 15:25:13,467 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 15:25:13,467 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 15:25:13,468 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 15:25:13,468 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 15:25:13,468 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 15:25:13,468 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 15:25:13,468 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 15:25:13,469 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 15:25:13,477 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-02-04 15:25:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 15:25:13,485 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 15:25:13,485 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 15:25:13,486 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-04 15:25:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1417784654, now seen corresponding path program 1 times [2018-02-04 15:25:13,523 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 15:25:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 15:25:13,561 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 15:25:13,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,630 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 15:25:13,630 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 15:25:13,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 15:25:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,631 INFO L182 omatonBuilderFactory]: Interpolants [32#(= (select |#valid| |main_~#data~0.base|) 1), 30#true, 31#false] [2018-02-04 15:25:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,632 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 15:25:13,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 15:25:13,641 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 15:25:13,642 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 3 states. [2018-02-04 15:25:13,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 15:25:13,687 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2018-02-04 15:25:13,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 15:25:13,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-02-04 15:25:13,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 15:25:13,693 INFO L225 Difference]: With dead ends: 24 [2018-02-04 15:25:13,693 INFO L226 Difference]: Without dead ends: 21 [2018-02-04 15:25:13,695 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 [2018-02-04 15:25:13,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-02-04 15:25:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-02-04 15:25:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-02-04 15:25:13,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-02-04 15:25:13,757 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 8 [2018-02-04 15:25:13,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 15:25:13,757 INFO L432 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-02-04 15:25:13,757 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 15:25:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-02-04 15:25:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-04 15:25:13,757 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 15:25:13,757 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 15:25:13,757 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-04 15:25:13,758 INFO L82 PathProgramCache]: Analyzing trace with hash 1417784655, now seen corresponding path program 1 times [2018-02-04 15:25:13,759 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 15:25:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 15:25:13,775 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 15:25:13,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,814 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 15:25:13,814 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-04 15:25:13,814 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 15:25:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,814 INFO L182 omatonBuilderFactory]: Interpolants [80#(and (= |main_~#data~0.offset| 0) (= (select |#valid| |main_~#data~0.base|) 1) (= 10 (select |#length| |main_~#data~0.base|))), 81#(and (= |main_~#data~0.offset| 0) (= (select |#length| |main_~#data~0.base|) 10)), 78#true, 79#false] [2018-02-04 15:25:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,815 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-04 15:25:13,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-04 15:25:13,815 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-04 15:25:13,815 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 4 states. [2018-02-04 15:25:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 15:25:13,847 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-02-04 15:25:13,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-04 15:25:13,847 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-04 15:25:13,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 15:25:13,848 INFO L225 Difference]: With dead ends: 18 [2018-02-04 15:25:13,848 INFO L226 Difference]: Without dead ends: 18 [2018-02-04 15:25:13,849 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 [2018-02-04 15:25:13,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-02-04 15:25:13,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-02-04 15:25:13,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-02-04 15:25:13,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2018-02-04 15:25:13,851 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 8 [2018-02-04 15:25:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 15:25:13,851 INFO L432 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2018-02-04 15:25:13,852 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-04 15:25:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2018-02-04 15:25:13,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 15:25:13,852 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 15:25:13,852 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 15:25:13,852 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-04 15:25:13,852 INFO L82 PathProgramCache]: Analyzing trace with hash 514218689, now seen corresponding path program 1 times [2018-02-04 15:25:13,853 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 15:25:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 15:25:13,865 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 15:25:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,907 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 15:25:13,907 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 15:25:13,908 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 15:25:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,908 INFO L182 omatonBuilderFactory]: Interpolants [118#true, 119#false, 120#(= 0 |main_#t~malloc0.offset|), 121#(= 0 (select (store (select |#memory_$Pointer$.offset| |main_~#data~0.base|) (+ |main_~#data~0.offset| 6) |main_~#data~0.offset|) |main_~#data~0.offset|)), 122#(= |main_#t~mem3.offset| 0)] [2018-02-04 15:25:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:13,908 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 15:25:13,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 15:25:13,909 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 15:25:13,909 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 5 states. [2018-02-04 15:25:13,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 15:25:13,940 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2018-02-04 15:25:13,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 15:25:13,941 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-02-04 15:25:13,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 15:25:13,941 INFO L225 Difference]: With dead ends: 17 [2018-02-04 15:25:13,941 INFO L226 Difference]: Without dead ends: 17 [2018-02-04 15:25:13,942 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 [2018-02-04 15:25:13,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-02-04 15:25:13,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-02-04 15:25:13,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-02-04 15:25:13,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2018-02-04 15:25:13,944 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 11 [2018-02-04 15:25:13,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 15:25:13,944 INFO L432 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2018-02-04 15:25:13,944 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 15:25:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2018-02-04 15:25:13,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-02-04 15:25:13,945 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 15:25:13,945 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 15:25:13,945 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-04 15:25:13,945 INFO L82 PathProgramCache]: Analyzing trace with hash 514218690, now seen corresponding path program 1 times [2018-02-04 15:25:13,946 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 15:25:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 15:25:13,958 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 15:25:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:14,005 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 15:25:14,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-04 15:25:14,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 15:25:14,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:14,006 INFO L182 omatonBuilderFactory]: Interpolants [161#true, 162#false, 163#(= 1 (select |#valid| |main_#t~malloc0.base|)), 164#(= 1 (select |#valid| (select (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 6) |main_~#data~0.base|) |main_~#data~0.offset|))), 165#(= 1 (select |#valid| |main_#t~mem3.base|))] [2018-02-04 15:25:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:14,006 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-04 15:25:14,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-04 15:25:14,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-04 15:25:14,006 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 5 states. [2018-02-04 15:25:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 15:25:14,046 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2018-02-04 15:25:14,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-04 15:25:14,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-02-04 15:25:14,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 15:25:14,047 INFO L225 Difference]: With dead ends: 16 [2018-02-04 15:25:14,047 INFO L226 Difference]: Without dead ends: 16 [2018-02-04 15:25:14,048 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 [2018-02-04 15:25:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-02-04 15:25:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-02-04 15:25:14,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-02-04 15:25:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2018-02-04 15:25:14,050 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2018-02-04 15:25:14,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 15:25:14,050 INFO L432 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2018-02-04 15:25:14,050 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-04 15:25:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2018-02-04 15:25:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 15:25:14,050 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 15:25:14,051 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 15:25:14,051 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr7RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr6RequiresViolation, mainErr0RequiresViolation, mainErr8EnsuresViolation]=== [2018-02-04 15:25:14,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1518594947, now seen corresponding path program 1 times [2018-02-04 15:25:14,052 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 15:25:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 15:25:14,065 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 15:25:14,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:14,205 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 15:25:14,205 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 15:25:14,205 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 15:25:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:14,206 INFO L182 omatonBuilderFactory]: Interpolants [208#(and (not (= 0 |main_#t~mem3.base|)) (= |old(#valid)| (store (store |#valid| |main_#t~mem3.base| (select (store |#valid| |main_#t~mem3.base| 0) |main_#t~mem3.base|)) |main_~#data~0.base| 0)) (not (= |main_#t~mem3.base| |main_~#data~0.base|))), 209#(= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)), 202#true, 203#false, 204#(= |#valid| |old(#valid)|), 205#(and (= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)) (= (select |#valid| |main_~#data~0.base|) 1)), 206#(and (not (= |main_~#data~0.base| |main_#t~malloc0.base|)) (not (= 0 |main_#t~malloc0.base|)) (= |old(#valid)| (store (store |#valid| |main_#t~malloc0.base| 0) |main_~#data~0.base| 0))), 207#(and (= |old(#valid)| (store (store |#valid| (select (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 6) |main_~#data~0.base|) |main_~#data~0.offset|) 0) |main_~#data~0.base| 0)) (not (= |main_~#data~0.base| (select (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 6) |main_~#data~0.base|) |main_~#data~0.offset|))) (not (= 0 (select (store (select |#memory_$Pointer$.base| |main_~#data~0.base|) (+ |main_~#data~0.offset| 6) |main_~#data~0.base|) |main_~#data~0.offset|))))] [2018-02-04 15:25:14,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 15:25:14,206 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 15:25:14,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 15:25:14,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-04 15:25:14,207 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 8 states. [2018-02-04 15:25:14,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 15:25:14,393 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2018-02-04 15:25:14,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-04 15:25:14,393 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2018-02-04 15:25:14,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 15:25:14,394 INFO L225 Difference]: With dead ends: 15 [2018-02-04 15:25:14,394 INFO L226 Difference]: Without dead ends: 0 [2018-02-04 15:25:14,394 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-02-04 15:25:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-04 15:25:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-04 15:25:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-04 15:25:14,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-04 15:25:14,401 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-02-04 15:25:14,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 15:25:14,401 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-04 15:25:14,401 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 15:25:14,401 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-04 15:25:14,401 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-04 15:25:14,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:25:14 BoogieIcfgContainer [2018-02-04 15:25:14,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 15:25:14,407 INFO L168 Benchmark]: Toolchain (without parser) took 1400.30 ms. Allocated memory was 401.1 MB in the beginning and 600.8 MB in the end (delta: 199.8 MB). Free memory was 359.1 MB in the beginning and 473.1 MB in the end (delta: -114.0 MB). Peak memory consumption was 85.7 MB. Max. memory is 5.3 GB. [2018-02-04 15:25:14,408 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-02-04 15:25:14,408 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.16 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 348.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-04 15:25:14,408 INFO L168 Benchmark]: Boogie Preprocessor took 17.88 ms. Allocated memory is still 401.1 MB. Free memory was 348.5 MB in the beginning and 347.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 15:25:14,408 INFO L168 Benchmark]: RCFGBuilder took 242.22 ms. Allocated memory is still 401.1 MB. Free memory was 345.9 MB in the beginning and 331.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. [2018-02-04 15:25:14,409 INFO L168 Benchmark]: TraceAbstraction took 984.02 ms. Allocated memory was 401.1 MB in the beginning and 600.8 MB in the end (delta: 199.8 MB). Free memory was 331.1 MB in the beginning and 473.1 MB in the end (delta: -142.0 MB). Peak memory consumption was 57.8 MB. Max. memory is 5.3 GB. [2018-02-04 15:25:14,410 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 401.1 MB. Free memory is still 364.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 153.16 ms. Allocated memory is still 401.1 MB. Free memory was 357.8 MB in the beginning and 348.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 17.88 ms. Allocated memory is still 401.1 MB. Free memory was 348.5 MB in the beginning and 347.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 242.22 ms. Allocated memory is still 401.1 MB. Free memory was 345.9 MB in the beginning and 331.1 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 984.02 ms. Allocated memory was 401.1 MB in the beginning and 600.8 MB in the end (delta: 199.8 MB). Free memory was 331.1 MB in the beginning and 473.1 MB in the end (delta: -142.0 MB). Peak memory consumption was 57.8 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_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_15-25-14-417.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_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_15-25-14-417.csv Received shutdown request...