java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:09:38,351 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:09:38,352 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:09:38,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:09:38,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:09:38,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:09:38,366 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:09:38,368 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:09:38,369 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:09:38,370 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:09:38,371 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-02-02 10:09:38,386 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-02-02 10:09:38,395 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:09:38,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:09:38,397 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:09:38,397 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:09:38,397 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:09:38,397 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:09:38,397 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:09:38,397 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:09:38,398 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:09:38,398 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:09:38,399 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:09:38,399 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:09:38,399 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:09:38,399 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:09:38,399 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:09:38,399 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:09:38,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:09:38,433 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:09:38,435 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:09:38,436 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:09:38,436 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:09:38,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_true-valid-memsafety_true-termination.i [2018-02-02 10:09:38,558 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:09:38,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:09:38,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:09:38,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:09:38,566 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:09:38,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54eb32c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38, skipping insertion in model container [2018-02-02 10:09:38,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,584 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:09:38,614 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:09:38,702 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:09:38,713 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:09:38,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38 WrapperNode [2018-02-02 10:09:38,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:09:38,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:09:38,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:09:38,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:09:38,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... [2018-02-02 10:09:38,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:09:38,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:09:38,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:09:38,743 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:09:38,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:09:38,782 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:09:38,783 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:09:38,783 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:09:38,783 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:09:38,784 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:09:38,784 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:09:38,911 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:09:38,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:09:38 BoogieIcfgContainer [2018-02-02 10:09:38,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:09:38,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:09:38,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:09:38,914 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:09:38,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:09:38" (1/3) ... [2018-02-02 10:09:38,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8086bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:09:38, skipping insertion in model container [2018-02-02 10:09:38,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:09:38" (2/3) ... [2018-02-02 10:09:38,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b8086bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:09:38, skipping insertion in model container [2018-02-02 10:09:38,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:09:38" (3/3) ... [2018-02-02 10:09:38,916 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_true-valid-memsafety_true-termination.i [2018-02-02 10:09:38,922 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:09:38,927 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-02-02 10:09:38,964 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:09:38,965 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:09:38,965 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:09:38,965 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:09:38,965 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:09:38,965 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:09:38,965 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:09:38,965 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:09:38,966 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:09:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-02-02 10:09:38,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 10:09:38,985 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:09:38,986 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:09:38,986 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 10:09:38,990 INFO L82 PathProgramCache]: Analyzing trace with hash 32614707, now seen corresponding path program 1 times [2018-02-02 10:09:39,039 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:09:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:09:39,080 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:09:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,170 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:09:39,171 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-02 10:09:39,172 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:09:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,172 INFO L182 omatonBuilderFactory]: Interpolants [42#true, 43#false, 44#(= (select |#valid| |main_~#data~0.base|) 1)] [2018-02-02 10:09:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,173 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-02 10:09:39,185 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-02 10:09:39,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-02 10:09:39,187 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 3 states. [2018-02-02 10:09:39,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:09:39,261 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-02-02 10:09:39,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-02 10:09:39,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-02-02 10:09:39,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:09:39,314 INFO L225 Difference]: With dead ends: 33 [2018-02-02 10:09:39,314 INFO L226 Difference]: Without dead ends: 30 [2018-02-02 10:09:39,316 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 10:09:39,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-02-02 10:09:39,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-02-02 10:09:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-02-02 10:09:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2018-02-02 10:09:39,336 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 8 [2018-02-02 10:09:39,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:09:39,336 INFO L432 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2018-02-02 10:09:39,336 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-02 10:09:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-02-02 10:09:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-02-02 10:09:39,337 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:09:39,337 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:09:39,337 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 10:09:39,337 INFO L82 PathProgramCache]: Analyzing trace with hash 32614708, now seen corresponding path program 1 times [2018-02-02 10:09:39,338 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:09:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:09:39,351 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:09:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,400 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:09:39,400 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 10:09:39,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:09:39,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,401 INFO L182 omatonBuilderFactory]: Interpolants [108#true, 109#false, 110#(and (= |main_~#data~0.offset| 0) (= (select |#valid| |main_~#data~0.base|) 1) (= 10 (select |#length| |main_~#data~0.base|))), 111#(and (= |main_~#data~0.offset| 0) (= (select |#length| |main_~#data~0.base|) 10))] [2018-02-02 10:09:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,402 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 10:09:39,402 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 10:09:39,403 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-02-02 10:09:39,403 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand 4 states. [2018-02-02 10:09:39,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:09:39,454 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2018-02-02 10:09:39,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-02-02 10:09:39,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2018-02-02 10:09:39,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:09:39,455 INFO L225 Difference]: With dead ends: 24 [2018-02-02 10:09:39,455 INFO L226 Difference]: Without dead ends: 24 [2018-02-02 10:09:39,456 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 10:09:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-02-02 10:09:39,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-02-02 10:09:39,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-02-02 10:09:39,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2018-02-02 10:09:39,459 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 8 [2018-02-02 10:09:39,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:09:39,459 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2018-02-02 10:09:39,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 10:09:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-02-02 10:09:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 10:09:39,460 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:09:39,460 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:09:39,460 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 10:09:39,460 INFO L82 PathProgramCache]: Analyzing trace with hash 607540962, now seen corresponding path program 1 times [2018-02-02 10:09:39,460 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:09:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:09:39,471 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:09:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,515 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:09:39,515 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:09:39,515 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:09:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,516 INFO L182 omatonBuilderFactory]: Interpolants [160#true, 161#false, 162#(= 0 |main_#t~malloc0.offset|), 163#(= 0 (select (select |#memory_$Pointer$.offset| |main_~#data~0.base|) |main_~#data~0.offset|)), 164#(= |main_#t~mem7.offset| 0)] [2018-02-02 10:09:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,516 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:09:39,516 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:09:39,516 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:09:39,516 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 5 states. [2018-02-02 10:09:39,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:09:39,565 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2018-02-02 10:09:39,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:09:39,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 10:09:39,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:09:39,566 INFO L225 Difference]: With dead ends: 23 [2018-02-02 10:09:39,566 INFO L226 Difference]: Without dead ends: 23 [2018-02-02 10:09:39,566 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 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 10:09:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-02-02 10:09:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-02-02 10:09:39,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-02-02 10:09:39,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-02-02 10:09:39,568 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 15 [2018-02-02 10:09:39,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:09:39,568 INFO L432 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-02-02 10:09:39,568 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:09:39,568 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-02-02 10:09:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 10:09:39,568 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:09:39,568 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:09:39,569 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 10:09:39,569 INFO L82 PathProgramCache]: Analyzing trace with hash 607540963, now seen corresponding path program 1 times [2018-02-02 10:09:39,569 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:09:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:09:39,580 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:09:39,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,632 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:09:39,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:09:39,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:09:39,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,633 INFO L182 omatonBuilderFactory]: Interpolants [215#true, 216#false, 217#(= 1 (select |#valid| |main_#t~malloc0.base|)), 218#(= 1 (select |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))), 219#(= 1 (select |#valid| |main_#t~mem7.base|))] [2018-02-02 10:09:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,634 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:09:39,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:09:39,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:09:39,634 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 5 states. [2018-02-02 10:09:39,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:09:39,700 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-02-02 10:09:39,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:09:39,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-02-02 10:09:39,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:09:39,701 INFO L225 Difference]: With dead ends: 22 [2018-02-02 10:09:39,701 INFO L226 Difference]: Without dead ends: 22 [2018-02-02 10:09:39,701 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 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 10:09:39,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-02-02 10:09:39,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-02-02 10:09:39,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-02-02 10:09:39,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2018-02-02 10:09:39,704 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 15 [2018-02-02 10:09:39,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:09:39,704 INFO L432 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2018-02-02 10:09:39,704 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:09:39,704 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-02-02 10:09:39,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 10:09:39,705 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:09:39,705 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:09:39,705 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr14EnsuresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation]=== [2018-02-02 10:09:39,705 INFO L82 PathProgramCache]: Analyzing trace with hash -510727324, now seen corresponding path program 1 times [2018-02-02 10:09:39,706 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:09:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:09:39,722 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:09:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,845 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:09:39,845 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 10:09:39,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:09:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,846 INFO L182 omatonBuilderFactory]: Interpolants [272#(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))), 273#(and (= (store (store |#valid| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|) 0) |main_~#data~0.base| 0) |old(#valid)|) (not (= 0 (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|))) (not (= |main_~#data~0.base| (select (select |#memory_$Pointer$.base| |main_~#data~0.base|) |main_~#data~0.offset|)))), 274#(and (not (= |main_#t~mem7.base| |main_~#data~0.base|)) (= |old(#valid)| (store (store |#valid| |main_#t~mem7.base| 0) |main_~#data~0.base| 0)) (not (= 0 |main_#t~mem7.base|))), 275#(= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)), 268#true, 269#false, 270#(= |#valid| |old(#valid)|), 271#(and (= |old(#valid)| (store |#valid| |main_~#data~0.base| 0)) (= (select |#valid| |main_~#data~0.base|) 1))] [2018-02-02 10:09:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 10:09:39,846 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 10:09:39,846 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 10:09:39,846 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-02 10:09:39,846 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand 8 states. [2018-02-02 10:09:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:09:40,025 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-02-02 10:09:40,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-02-02 10:09:40,025 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-02-02 10:09:40,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:09:40,026 INFO L225 Difference]: With dead ends: 21 [2018-02-02 10:09:40,026 INFO L226 Difference]: Without dead ends: 0 [2018-02-02 10:09:40,026 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 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 10:09:40,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-02 10:09:40,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-02 10:09:40,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-02 10:09:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-02 10:09:40,027 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-02-02 10:09:40,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:09:40,027 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-02 10:09:40,027 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 10:09:40,028 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-02 10:09:40,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-02 10:09:40,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 10:09:40 BoogieIcfgContainer [2018-02-02 10:09:40,032 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 10:09:40,032 INFO L168 Benchmark]: Toolchain (without parser) took 1473.80 ms. Allocated memory was 403.7 MB in the beginning and 611.3 MB in the end (delta: 207.6 MB). Free memory was 361.9 MB in the beginning and 474.6 MB in the end (delta: -112.7 MB). Peak memory consumption was 94.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:09:40,033 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:09:40,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.34 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 351.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 5.3 GB. [2018-02-02 10:09:40,034 INFO L168 Benchmark]: Boogie Preprocessor took 23.49 ms. Allocated memory is still 403.7 MB. Free memory was 351.2 MB in the beginning and 348.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:09:40,034 INFO L168 Benchmark]: RCFGBuilder took 167.94 ms. Allocated memory is still 403.7 MB. Free memory was 348.5 MB in the beginning and 331.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:09:40,034 INFO L168 Benchmark]: TraceAbstraction took 1120.10 ms. Allocated memory was 403.7 MB in the beginning and 611.3 MB in the end (delta: 207.6 MB). Free memory was 330.4 MB in the beginning and 474.6 MB in the end (delta: -144.3 MB). Peak memory consumption was 63.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:09:40,036 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 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 159.34 ms. Allocated memory is still 403.7 MB. Free memory was 360.6 MB in the beginning and 351.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.49 ms. Allocated memory is still 403.7 MB. Free memory was 351.2 MB in the beginning and 348.5 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 167.94 ms. Allocated memory is still 403.7 MB. Free memory was 348.5 MB in the beginning and 331.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1120.10 ms. Allocated memory was 403.7 MB in the beginning and 611.3 MB in the end (delta: 207.6 MB). Free memory was 330.4 MB in the beginning and 474.6 MB in the end (delta: -144.3 MB). Peak memory consumption was 63.3 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]: 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]: 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]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 620]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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]: 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 - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 39 locations, 15 error locations. SAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 77 SDtfs, 81 SDslu, 93 SDs, 0 SdLazy, 143 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred 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, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 6591 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_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-09-40-043.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_10-09-40-043.csv Received shutdown request...