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/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 09:46:35,108 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 09:46:35,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 09:46:35,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 09:46:35,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 09:46:35,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 09:46:35,123 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 09:46:35,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 09:46:35,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 09:46:35,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 09:46:35,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 09:46:35,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 09:46:35,129 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 09:46:35,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 09:46:35,131 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 09:46:35,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 09:46:35,134 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 09:46:35,136 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 09:46:35,139 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 09:46:35,140 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 09:46:35,142 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 09:46:35,149 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 09:46:35,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 09:46:35,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 09:46:35,160 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 09:46:35,160 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 09:46:35,160 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 09:46:35,161 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 09:46:35,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 09:46:35,161 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 09:46:35,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 09:46:35,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 09:46:35,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 09:46:35,162 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 09:46:35,162 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 09:46:35,162 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 09:46:35,162 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 09:46:35,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 09:46:35,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 09:46:35,163 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 09:46:35,163 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 09:46:35,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 09:46:35,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 09:46:35,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 09:46:35,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 09:46:35,196 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 09:46:35,206 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 09:46:35,209 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 09:46:35,210 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 09:46:35,210 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 09:46:35,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array01-alloca_true-valid-memsafety_true-termination.i [2018-02-02 09:46:35,320 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 09:46:35,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 09:46:35,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 09:46:35,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 09:46:35,328 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 09:46:35,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c7b19f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35, skipping insertion in model container [2018-02-02 09:46:35,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,347 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 09:46:35,376 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 09:46:35,457 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 09:46:35,468 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 09:46:35,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35 WrapperNode [2018-02-02 09:46:35,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 09:46:35,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 09:46:35,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 09:46:35,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 09:46:35,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (1/1) ... [2018-02-02 09:46:35,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 09:46:35,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 09:46:35,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 09:46:35,502 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 09:46:35,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (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 09:46:35,538 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 09:46:35,538 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 09:46:35,538 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-02-02 09:46:35,538 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 09:46:35,538 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 09:46:35,538 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 09:46:35,538 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 09:46:35,538 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 09:46:35,539 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 09:46:35,539 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 09:46:35,539 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-02-02 09:46:35,539 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 09:46:35,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 09:46:35,539 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 09:46:35,684 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 09:46:35,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:46:35 BoogieIcfgContainer [2018-02-02 09:46:35,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 09:46:35,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 09:46:35,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 09:46:35,688 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 09:46:35,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:46:35" (1/3) ... [2018-02-02 09:46:35,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f98a7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:46:35, skipping insertion in model container [2018-02-02 09:46:35,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:35" (2/3) ... [2018-02-02 09:46:35,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f98a7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:46:35, skipping insertion in model container [2018-02-02 09:46:35,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:46:35" (3/3) ... [2018-02-02 09:46:35,691 INFO L107 eAbstractionObserver]: Analyzing ICFG array01-alloca_true-valid-memsafety_true-termination.i [2018-02-02 09:46:35,699 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 09:46:35,705 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-02-02 09:46:35,738 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 09:46:35,738 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 09:46:35,738 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 09:46:35,738 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 09:46:35,738 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 09:46:35,738 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 09:46:35,739 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 09:46:35,739 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 09:46:35,739 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 09:46:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-02-02 09:46:35,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 09:46:35,759 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:35,760 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:35,760 INFO L371 AbstractCegarLoop]: === Iteration 1 === [test_funErr4RequiresViolation, test_funErr5RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:35,765 INFO L82 PathProgramCache]: Analyzing trace with hash -55325045, now seen corresponding path program 1 times [2018-02-02 09:46:35,802 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:35,845 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:35,929 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 09:46:35,931 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:35,931 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 09:46:35,932 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:35,932 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 09:46:35,933 INFO L182 omatonBuilderFactory]: Interpolants [41#true, 42#false, 43#(= 1 (select |#valid| |main_#t~malloc6.base|)), 44#(= 1 (select |#valid| main_~numbers~0.base)), 45#(= 1 (select |#valid| |test_fun_#in~a.base|)), 46#(= 1 (select |#valid| test_fun_~a.base))] [2018-02-02 09:46:35,933 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 09:46:35,933 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 09:46:35,942 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 09:46:35,942 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 09:46:35,944 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2018-02-02 09:46:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:36,062 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2018-02-02 09:46:36,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 09:46:36,064 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-02 09:46:36,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:36,074 INFO L225 Difference]: With dead ends: 35 [2018-02-02 09:46:36,074 INFO L226 Difference]: Without dead ends: 32 [2018-02-02 09:46:36,127 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-02 09:46:36,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-02-02 09:46:36,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-02-02 09:46:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-02-02 09:46:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-02-02 09:46:36,150 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 15 [2018-02-02 09:46:36,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:36,151 INFO L432 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-02-02 09:46:36,151 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 09:46:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-02-02 09:46:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 09:46:36,151 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:36,151 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:36,152 INFO L371 AbstractCegarLoop]: === Iteration 2 === [test_funErr4RequiresViolation, test_funErr5RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:36,152 INFO L82 PathProgramCache]: Analyzing trace with hash -55325044, now seen corresponding path program 1 times [2018-02-02 09:46:36,152 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:36,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:36,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:36,249 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 09:46:36,249 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:36,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 09:46:36,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:36,249 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 09:46:36,250 INFO L182 omatonBuilderFactory]: Interpolants [118#true, 119#false, 120#(<= 1 main_~array_size~0), 121#(and (= (* 4 main_~array_size~0) (select |#length| |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|) (<= 1 main_~array_size~0)), 122#(and (= 0 main_~numbers~0.offset) (= (* 4 main_~array_size~0) (select |#length| main_~numbers~0.base)) (<= 1 main_~array_size~0)), 123#(and (<= 4 (select |#length| |test_fun_#in~a.base|)) (= 0 |test_fun_#in~a.offset|)), 124#(and (<= 4 (select |#length| test_fun_~a.base)) (= test_fun_~i~0 0) (= test_fun_~a.offset 0))] [2018-02-02 09:46:36,250 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 09:46:36,251 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 09:46:36,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 09:46:36,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-02-02 09:46:36,251 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 7 states. [2018-02-02 09:46:36,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:36,336 INFO L93 Difference]: Finished difference Result 45 states and 49 transitions. [2018-02-02 09:46:36,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 09:46:36,336 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-02-02 09:46:36,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:36,338 INFO L225 Difference]: With dead ends: 45 [2018-02-02 09:46:36,338 INFO L226 Difference]: Without dead ends: 45 [2018-02-02 09:46:36,339 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-02-02 09:46:36,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-02-02 09:46:36,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2018-02-02 09:46:36,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-02-02 09:46:36,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2018-02-02 09:46:36,342 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 15 [2018-02-02 09:46:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:36,342 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2018-02-02 09:46:36,342 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 09:46:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-02-02 09:46:36,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-02 09:46:36,342 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:36,342 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:36,343 INFO L371 AbstractCegarLoop]: === Iteration 3 === [test_funErr4RequiresViolation, test_funErr5RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:36,343 INFO L82 PathProgramCache]: Analyzing trace with hash -195737667, now seen corresponding path program 1 times [2018-02-02 09:46:36,344 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:36,355 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:36,390 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 09:46:36,390 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:36,390 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 09:46:36,390 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:36,391 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 09:46:36,391 INFO L182 omatonBuilderFactory]: Interpolants [215#true, 216#false, 217#(<= 1 main_~array_size~0), 218#(and (= test_fun_~i~0 0) (<= |test_fun_#in~N| test_fun_~N)), 219#(<= |test_fun_#in~N| 0)] [2018-02-02 09:46:36,391 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 09:46:36,391 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 09:46:36,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 09:46:36,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:46:36,392 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 5 states. [2018-02-02 09:46:36,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:36,437 INFO L93 Difference]: Finished difference Result 45 states and 48 transitions. [2018-02-02 09:46:36,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 09:46:36,438 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2018-02-02 09:46:36,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:36,439 INFO L225 Difference]: With dead ends: 45 [2018-02-02 09:46:36,439 INFO L226 Difference]: Without dead ends: 42 [2018-02-02 09:46:36,439 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-02-02 09:46:36,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-02-02 09:46:36,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2018-02-02 09:46:36,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-02-02 09:46:36,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2018-02-02 09:46:36,443 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 20 [2018-02-02 09:46:36,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:36,443 INFO L432 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2018-02-02 09:46:36,443 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 09:46:36,444 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2018-02-02 09:46:36,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 09:46:36,444 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:36,444 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:36,444 INFO L371 AbstractCegarLoop]: === Iteration 4 === [test_funErr4RequiresViolation, test_funErr5RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:36,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1506152513, now seen corresponding path program 1 times [2018-02-02 09:46:36,445 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:36,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:36,457 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:46:36,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 09:46:36,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-02 09:46:36,531 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:36,532 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 09:46:36,532 INFO L182 omatonBuilderFactory]: Interpolants [308#true, 309#false, 310#(<= main_~array_size~0 1), 311#(and (<= main_~array_size~0 1) (= 0 |main_#t~malloc6.offset|)), 312#(and (<= main_~array_size~0 1) (= 0 main_~numbers~0.offset)), 313#(and (<= |test_fun_#in~N| 1) (= 0 |test_fun_#in~a.offset|)), 314#(and (= test_fun_~a.offset 0) (<= test_fun_~N 1)), 315#(and (<= (* 4 test_fun_~N) (+ (* 4 test_fun_~i~0) test_fun_~a.offset 4)) (= test_fun_~a.offset 0)), 316#(and (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (+ (* 4 test_fun_~i~0) test_fun_~a.offset)))] [2018-02-02 09:46:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:46:36,532 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 09:46:36,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 09:46:36,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-02-02 09:46:36,537 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand 9 states. [2018-02-02 09:46:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:36,677 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-02-02 09:46:36,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 09:46:36,678 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-02-02 09:46:36,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:36,678 INFO L225 Difference]: With dead ends: 65 [2018-02-02 09:46:36,679 INFO L226 Difference]: Without dead ends: 65 [2018-02-02 09:46:36,679 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2018-02-02 09:46:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-02-02 09:46:36,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2018-02-02 09:46:36,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-02-02 09:46:36,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 64 transitions. [2018-02-02 09:46:36,682 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 64 transitions. Word has length 21 [2018-02-02 09:46:36,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:36,683 INFO L432 AbstractCegarLoop]: Abstraction has 60 states and 64 transitions. [2018-02-02 09:46:36,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 09:46:36,683 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2018-02-02 09:46:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-02 09:46:36,684 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:36,684 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:36,684 INFO L371 AbstractCegarLoop]: === Iteration 5 === [test_funErr4RequiresViolation, test_funErr5RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:36,684 INFO L82 PathProgramCache]: Analyzing trace with hash 226288835, now seen corresponding path program 1 times [2018-02-02 09:46:36,685 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:36,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:36,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:36,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:46:36,794 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 09:46:36,794 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-02 09:46:36,795 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:36,795 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 09:46:36,795 INFO L182 omatonBuilderFactory]: Interpolants [448#true, 449#false, 450#(and (= (* 4 main_~array_size~0) (select |#length| |main_#t~malloc6.base|)) (= 0 |main_#t~malloc6.offset|)), 451#(and (= 0 main_~numbers~0.offset) (= (* 4 main_~array_size~0) (select |#length| main_~numbers~0.base))), 452#(and (<= (* 4 |test_fun_#in~N|) (select |#length| |test_fun_#in~a.base|)) (= 0 |test_fun_#in~a.offset|)), 453#(and (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (select |#length| test_fun_~a.base))), 454#(and (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (select |#length| test_fun_~a.base)) (<= 0 (+ (* 4 test_fun_~i~0) test_fun_~a.offset))), 455#(and (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (select |#length| test_fun_~a.base)) (<= 4 (+ (* 4 test_fun_~i~0) test_fun_~a.offset))), 456#(and (= test_fun_~a.offset 0) (<= (+ (* 4 test_fun_~i~0) 4) (select |#length| test_fun_~a.base)) (<= 4 (+ (* 4 test_fun_~i~0) test_fun_~a.offset)))] [2018-02-02 09:46:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-02 09:46:36,796 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 09:46:36,796 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 09:46:36,796 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-02-02 09:46:36,796 INFO L87 Difference]: Start difference. First operand 60 states and 64 transitions. Second operand 9 states. [2018-02-02 09:46:36,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:36,915 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-02-02 09:46:36,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 09:46:36,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-02-02 09:46:36,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:36,916 INFO L225 Difference]: With dead ends: 58 [2018-02-02 09:46:36,916 INFO L226 Difference]: Without dead ends: 58 [2018-02-02 09:46:36,916 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-02-02 09:46:36,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-02-02 09:46:36,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2018-02-02 09:46:36,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-02-02 09:46:36,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-02-02 09:46:36,920 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 21 [2018-02-02 09:46:36,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:36,920 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-02-02 09:46:36,920 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 09:46:36,920 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-02-02 09:46:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-02 09:46:36,921 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:36,921 INFO L351 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:36,921 INFO L371 AbstractCegarLoop]: === Iteration 6 === [test_funErr4RequiresViolation, test_funErr5RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:36,921 INFO L82 PathProgramCache]: Analyzing trace with hash 308334376, now seen corresponding path program 1 times [2018-02-02 09:46:36,922 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:36,934 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-02 09:46:36,983 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:36,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 09:46:36,984 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:36,984 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 09:46:36,984 INFO L182 omatonBuilderFactory]: Interpolants [576#(= (store |#valid| |main_#t~malloc6.base| (select (store |#valid| |main_#t~malloc6.base| 0) |main_#t~malloc6.base|)) |old(#valid)|), 573#true, 574#false, 575#(= |#valid| |old(#valid)|)] [2018-02-02 09:46:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-02-02 09:46:36,984 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 09:46:36,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 09:46:36,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 09:46:36,985 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 4 states. [2018-02-02 09:46:37,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:37,036 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-02-02 09:46:37,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 09:46:37,036 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-02-02 09:46:37,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:37,037 INFO L225 Difference]: With dead ends: 49 [2018-02-02 09:46:37,037 INFO L226 Difference]: Without dead ends: 0 [2018-02-02 09:46:37,037 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:46:37,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-02 09:46:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-02 09:46:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-02 09:46:37,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-02 09:46:37,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-02-02 09:46:37,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:37,037 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-02 09:46:37,038 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 09:46:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-02 09:46:37,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-02 09:46:37,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:46:37 BoogieIcfgContainer [2018-02-02 09:46:37,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 09:46:37,042 INFO L168 Benchmark]: Toolchain (without parser) took 1721.52 ms. Allocated memory was 403.2 MB in the beginning and 608.7 MB in the end (delta: 205.5 MB). Free memory was 357.2 MB in the beginning and 447.2 MB in the end (delta: -90.0 MB). Peak memory consumption was 115.6 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:37,043 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 403.2 MB. Free memory is still 362.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 09:46:37,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.43 ms. Allocated memory is still 403.2 MB. Free memory was 357.2 MB in the beginning and 346.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:37,043 INFO L168 Benchmark]: Boogie Preprocessor took 26.59 ms. Allocated memory is still 403.2 MB. Free memory was 346.7 MB in the beginning and 344.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:37,043 INFO L168 Benchmark]: RCFGBuilder took 183.15 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 326.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:37,043 INFO L168 Benchmark]: TraceAbstraction took 1356.20 ms. Allocated memory was 403.2 MB in the beginning and 608.7 MB in the end (delta: 205.5 MB). Free memory was 326.8 MB in the beginning and 447.2 MB in the end (delta: -120.4 MB). Peak memory consumption was 85.2 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:37,045 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 403.2 MB. Free memory is still 362.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 152.43 ms. Allocated memory is still 403.2 MB. Free memory was 357.2 MB in the beginning and 346.7 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.59 ms. Allocated memory is still 403.2 MB. Free memory was 346.7 MB in the beginning and 344.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 183.15 ms. Allocated memory is still 403.2 MB. Free memory was 344.0 MB in the beginning and 326.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1356.20 ms. Allocated memory was 403.2 MB in the beginning and 608.7 MB in the end (delta: 205.5 MB). Free memory was 326.8 MB in the beginning and 447.2 MB in the end (delta: -120.4 MB). Peak memory consumption was 85.2 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]: 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: 552]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 38 locations, 7 error locations. SAFE Result, 1.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 149 SDtfs, 233 SDslu, 375 SDs, 0 SdLazy, 300 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 6/10 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, 6 MinimizatonAttempts, 18 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 10796 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 6/10 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/array01-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_09-46-37-050.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array01-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_09-46-37-050.csv Received shutdown request...