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/array02-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 09:46:38,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 09:46:38,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 09:46:38,459 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 09:46:38,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 09:46:38,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 09:46:38,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 09:46:38,463 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 09:46:38,464 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 09:46:38,465 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 09:46:38,466 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 09:46:38,466 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 09:46:38,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 09:46:38,468 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 09:46:38,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 09:46:38,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 09:46:38,472 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 09:46:38,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 09:46:38,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 09:46:38,475 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 09:46:38,477 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 09:46:38,481 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 09:46:38,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 09:46:38,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 09:46:38,491 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 09:46:38,491 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 09:46:38,491 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 09:46:38,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 09:46:38,492 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 09:46:38,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 09:46:38,493 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 09:46:38,493 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 09:46:38,493 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 09:46:38,493 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 09:46:38,493 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 09:46:38,493 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 09:46:38,519 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 09:46:38,527 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 09:46:38,529 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 09:46:38,530 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 09:46:38,531 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 09:46:38,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-02-02 09:46:38,641 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 09:46:38,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 09:46:38,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 09:46:38,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 09:46:38,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 09:46:38,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1482aa0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38, skipping insertion in model container [2018-02-02 09:46:38,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,660 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 09:46:38,687 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 09:46:38,779 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 09:46:38,792 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 09:46:38,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38 WrapperNode [2018-02-02 09:46:38,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 09:46:38,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 09:46:38,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 09:46:38,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 09:46:38,812 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (1/1) ... [2018-02-02 09:46:38,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 09:46:38,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 09:46:38,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 09:46:38,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 09:46:38,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (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 09:46:38,861 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 09:46:38,861 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 09:46:38,861 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-02-02 09:46:38,861 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 09:46:38,861 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-02-02 09:46:38,862 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 09:46:38,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 09:46:38,862 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 09:46:39,001 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 09:46:39,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:46:39 BoogieIcfgContainer [2018-02-02 09:46:39,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 09:46:39,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 09:46:39,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 09:46:39,004 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 09:46:39,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 09:46:38" (1/3) ... [2018-02-02 09:46:39,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b5d00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:46:39, skipping insertion in model container [2018-02-02 09:46:39,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 09:46:38" (2/3) ... [2018-02-02 09:46:39,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31b5d00c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 09:46:39, skipping insertion in model container [2018-02-02 09:46:39,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 09:46:39" (3/3) ... [2018-02-02 09:46:39,006 INFO L107 eAbstractionObserver]: Analyzing ICFG array02-alloca_true-valid-memsafety_true-termination.i [2018-02-02 09:46:39,011 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 09:46:39,015 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-02-02 09:46:39,047 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 09:46:39,047 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 09:46:39,047 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 09:46:39,047 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 09:46:39,048 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 09:46:39,048 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 09:46:39,048 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 09:46:39,048 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 09:46:39,048 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 09:46:39,057 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-02-02 09:46:39,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 09:46:39,065 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:39,066 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:39,066 INFO L371 AbstractCegarLoop]: === Iteration 1 === [test_funErr8RequiresViolation, test_funErr6RequiresViolation, test_funErr11RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr9RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:39,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1926055157, now seen corresponding path program 1 times [2018-02-02 09:46:39,104 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:39,146 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:39,253 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 09:46:39,255 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:39,256 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 09:46:39,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:39,257 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 09:46:39,257 INFO L182 omatonBuilderFactory]: Interpolants [52#true, 53#false, 54#(= 1 (select |#valid| |main_#t~malloc10.base|)), 55#(= 1 (select |#valid| main_~numbers~0.base)), 56#(= 1 (select |#valid| |test_fun_#in~a.base|)), 57#(= 1 (select |#valid| test_fun_~a.base))] [2018-02-02 09:46:39,257 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 09:46:39,258 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 09:46:39,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 09:46:39,266 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 09:46:39,267 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 6 states. [2018-02-02 09:46:39,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:39,385 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2018-02-02 09:46:39,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 09:46:39,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2018-02-02 09:46:39,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:39,392 INFO L225 Difference]: With dead ends: 43 [2018-02-02 09:46:39,392 INFO L226 Difference]: Without dead ends: 40 [2018-02-02 09:46:39,394 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 09:46:39,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-02-02 09:46:39,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-02-02 09:46:39,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-02-02 09:46:39,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2018-02-02 09:46:39,459 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 15 [2018-02-02 09:46:39,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:39,459 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2018-02-02 09:46:39,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 09:46:39,459 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-02-02 09:46:39,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 09:46:39,460 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:39,460 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:39,460 INFO L371 AbstractCegarLoop]: === Iteration 2 === [test_funErr8RequiresViolation, test_funErr6RequiresViolation, test_funErr11RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr9RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:39,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1926055156, now seen corresponding path program 1 times [2018-02-02 09:46:39,461 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:39,480 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:39,568 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 09:46:39,568 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:39,568 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-02 09:46:39,568 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:39,569 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 09:46:39,569 INFO L182 omatonBuilderFactory]: Interpolants [145#true, 146#false, 147#(and (= 0 |main_#t~malloc10.offset|) (= (* 4 main_~array_size~0) (select |#length| |main_#t~malloc10.base|))), 148#(and (= 0 main_~numbers~0.offset) (= (* 4 main_~array_size~0) (select |#length| main_~numbers~0.base))), 149#(and (<= (* 4 |test_fun_#in~N|) (select |#length| |test_fun_#in~a.base|)) (= 0 |test_fun_#in~a.offset|)), 150#(and (= test_fun_~i~0 0) (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (select |#length| test_fun_~a.base))), 151#(and (= test_fun_~i~0 0) (= test_fun_~a.offset 0) (<= (+ (* 4 test_fun_~i~0) 4) (select |#length| test_fun_~a.base)))] [2018-02-02 09:46:39,569 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 09:46:39,570 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-02 09:46:39,571 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-02 09:46:39,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-02 09:46:39,571 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand 7 states. [2018-02-02 09:46:39,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:39,718 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2018-02-02 09:46:39,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-02 09:46:39,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-02-02 09:46:39,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:39,721 INFO L225 Difference]: With dead ends: 59 [2018-02-02 09:46:39,721 INFO L226 Difference]: Without dead ends: 59 [2018-02-02 09:46:39,721 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-02-02 09:46:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-02-02 09:46:39,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 56. [2018-02-02 09:46:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-02-02 09:46:39,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2018-02-02 09:46:39,726 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 15 [2018-02-02 09:46:39,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:39,727 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2018-02-02 09:46:39,727 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-02 09:46:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2018-02-02 09:46:39,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-02-02 09:46:39,727 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:39,728 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:39,728 INFO L371 AbstractCegarLoop]: === Iteration 3 === [test_funErr8RequiresViolation, test_funErr6RequiresViolation, test_funErr11RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr9RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:39,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1643065362, now seen corresponding path program 1 times [2018-02-02 09:46:39,729 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:39,739 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:39,769 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 09:46:39,770 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:39,770 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 09:46:39,770 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:39,770 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 09:46:39,770 INFO L182 omatonBuilderFactory]: Interpolants [273#true, 274#false, 275#(<= 1 main_~array_size~0), 276#(and (= test_fun_~i~0 0) (<= |test_fun_#in~N| test_fun_~N)), 277#(<= |test_fun_#in~N| 0)] [2018-02-02 09:46:39,771 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 09:46:39,771 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 09:46:39,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 09:46:39,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 09:46:39,771 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 5 states. [2018-02-02 09:46:39,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:39,830 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2018-02-02 09:46:39,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 09:46:39,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2018-02-02 09:46:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:39,832 INFO L225 Difference]: With dead ends: 59 [2018-02-02 09:46:39,833 INFO L226 Difference]: Without dead ends: 57 [2018-02-02 09:46:39,833 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 09:46:39,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-02-02 09:46:39,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 56. [2018-02-02 09:46:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-02-02 09:46:39,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2018-02-02 09:46:39,838 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 18 [2018-02-02 09:46:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:39,838 INFO L432 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2018-02-02 09:46:39,838 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 09:46:39,838 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2018-02-02 09:46:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 09:46:39,839 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:39,839 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:39,839 INFO L371 AbstractCegarLoop]: === Iteration 4 === [test_funErr8RequiresViolation, test_funErr6RequiresViolation, test_funErr11RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr9RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:39,839 INFO L82 PathProgramCache]: Analyzing trace with hash 417458597, now seen corresponding path program 1 times [2018-02-02 09:46:39,840 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:39,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:39,851 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:39,927 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 09:46:39,927 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 09:46:39,927 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-02-02 09:46:39,927 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:39,927 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 09:46:39,927 INFO L182 omatonBuilderFactory]: Interpolants [400#(and (<= |test_fun_#in~N| 1) (= 0 |test_fun_#in~a.offset|)), 401#(and (= test_fun_~a.offset 0) (<= test_fun_~N 1)), 402#(and (<= (* 4 test_fun_~N) (+ (* 4 test_fun_~i~0) test_fun_~a.offset 4)) (= test_fun_~a.offset 0)), 403#(and (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (+ (* 4 test_fun_~i~0) test_fun_~a.offset))), 395#true, 396#false, 397#(<= main_~array_size~0 1), 398#(and (<= main_~array_size~0 1) (= 0 |main_#t~malloc10.offset|)), 399#(and (<= main_~array_size~0 1) (= 0 main_~numbers~0.offset))] [2018-02-02 09:46:39,928 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 09:46:39,928 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 09:46:39,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 09:46:39,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-02-02 09:46:39,928 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand 9 states. [2018-02-02 09:46:40,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:40,021 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2018-02-02 09:46:40,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 09:46:40,022 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-02-02 09:46:40,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:40,025 INFO L225 Difference]: With dead ends: 85 [2018-02-02 09:46:40,025 INFO L226 Difference]: Without dead ends: 85 [2018-02-02 09:46:40,025 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 09:46:40,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-02-02 09:46:40,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2018-02-02 09:46:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-02-02 09:46:40,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2018-02-02 09:46:40,031 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 24 [2018-02-02 09:46:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:40,031 INFO L432 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2018-02-02 09:46:40,031 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 09:46:40,031 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2018-02-02 09:46:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 09:46:40,034 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:40,034 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 09:46:40,034 INFO L371 AbstractCegarLoop]: === Iteration 5 === [test_funErr8RequiresViolation, test_funErr6RequiresViolation, test_funErr11RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr9RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:40,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1576686109, now seen corresponding path program 1 times [2018-02-02 09:46:40,035 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:40,049 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:40,160 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 09:46:40,161 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 09:46:40,161 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-02-02 09:46:40,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:40,161 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 09:46:40,161 INFO L182 omatonBuilderFactory]: Interpolants [576#true, 577#false, 578#(and (= 0 |main_#t~malloc10.offset|) (= (* 4 main_~array_size~0) (select |#length| |main_#t~malloc10.base|))), 579#(and (= 0 main_~numbers~0.offset) (= (* 4 main_~array_size~0) (select |#length| main_~numbers~0.base))), 580#(and (<= (* 4 |test_fun_#in~N|) (select |#length| |test_fun_#in~a.base|)) (= 0 |test_fun_#in~a.offset|)), 581#(and (= test_fun_~a.offset 0) (<= (* 4 test_fun_~N) (select |#length| test_fun_~a.base))), 582#(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))), 583#(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))), 584#(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 09:46:40,162 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 09:46:40,162 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-02 09:46:40,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-02 09:46:40,162 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-02-02 09:46:40,162 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand 9 states. [2018-02-02 09:46:40,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:40,316 INFO L93 Difference]: Finished difference Result 76 states and 83 transitions. [2018-02-02 09:46:40,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 09:46:40,316 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-02-02 09:46:40,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:40,317 INFO L225 Difference]: With dead ends: 76 [2018-02-02 09:46:40,317 INFO L226 Difference]: Without dead ends: 76 [2018-02-02 09:46:40,317 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 09:46:40,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-02-02 09:46:40,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 61. [2018-02-02 09:46:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-02-02 09:46:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-02-02 09:46:40,322 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 24 [2018-02-02 09:46:40,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:40,323 INFO L432 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-02-02 09:46:40,323 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-02 09:46:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-02-02 09:46:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-02-02 09:46:40,324 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 09:46:40,324 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, 1] [2018-02-02 09:46:40,324 INFO L371 AbstractCegarLoop]: === Iteration 6 === [test_funErr8RequiresViolation, test_funErr6RequiresViolation, test_funErr11RequiresViolation, test_funErr4RequiresViolation, test_funErr7RequiresViolation, test_funErr5RequiresViolation, test_funErr10RequiresViolation, test_funErr0RequiresViolation, test_funErr3RequiresViolation, test_funErr9RequiresViolation, test_funErr1RequiresViolation, test_funErr2RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 09:46:40,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1727082791, now seen corresponding path program 1 times [2018-02-02 09:46:40,324 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 09:46:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 09:46:40,337 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 09:46:40,373 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 09:46:40,373 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 09:46:40,373 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-02-02 09:46:40,373 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 09:46:40,374 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 09:46:40,374 INFO L182 omatonBuilderFactory]: Interpolants [730#true, 731#false, 732#(= |#valid| |old(#valid)|), 733#(= (store |#valid| |main_#t~malloc10.base| (select (store |#valid| |main_#t~malloc10.base| 0) |main_#t~malloc10.base|)) |old(#valid)|)] [2018-02-02 09:46:40,374 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 09:46:40,374 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-02-02 09:46:40,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-02-02 09:46:40,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-02-02 09:46:40,375 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 4 states. [2018-02-02 09:46:40,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 09:46:40,410 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2018-02-02 09:46:40,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 09:46:40,410 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-02-02 09:46:40,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 09:46:40,411 INFO L225 Difference]: With dead ends: 60 [2018-02-02 09:46:40,411 INFO L226 Difference]: Without dead ends: 0 [2018-02-02 09:46:40,411 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 09:46:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-02-02 09:46:40,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-02-02 09:46:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-02-02 09:46:40,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-02-02 09:46:40,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2018-02-02 09:46:40,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 09:46:40,411 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-02-02 09:46:40,411 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-02-02 09:46:40,412 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-02-02 09:46:40,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-02-02 09:46:40,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 09:46:40 BoogieIcfgContainer [2018-02-02 09:46:40,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-02 09:46:40,415 INFO L168 Benchmark]: Toolchain (without parser) took 1774.09 ms. Allocated memory was 393.2 MB in the beginning and 586.7 MB in the end (delta: 193.5 MB). Free memory was 351.4 MB in the beginning and 401.6 MB in the end (delta: -50.2 MB). Peak memory consumption was 143.2 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:40,416 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 393.2 MB. Free memory is still 356.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 09:46:40,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.51 ms. Allocated memory is still 393.2 MB. Free memory was 350.1 MB in the beginning and 340.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:40,416 INFO L168 Benchmark]: Boogie Preprocessor took 26.15 ms. Allocated memory is still 393.2 MB. Free memory was 340.8 MB in the beginning and 338.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:40,416 INFO L168 Benchmark]: RCFGBuilder took 176.64 ms. Allocated memory is still 393.2 MB. Free memory was 338.2 MB in the beginning and 320.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:40,416 INFO L168 Benchmark]: TraceAbstraction took 1412.42 ms. Allocated memory was 393.2 MB in the beginning and 586.7 MB in the end (delta: 193.5 MB). Free memory was 318.8 MB in the beginning and 401.6 MB in the end (delta: -82.8 MB). Peak memory consumption was 110.6 MB. Max. memory is 5.3 GB. [2018-02-02 09:46:40,417 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 393.2 MB. Free memory is still 356.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 156.51 ms. Allocated memory is still 393.2 MB. Free memory was 350.1 MB in the beginning and 340.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.15 ms. Allocated memory is still 393.2 MB. Free memory was 340.8 MB in the beginning and 338.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 176.64 ms. Allocated memory is still 393.2 MB. Free memory was 338.2 MB in the beginning and 320.1 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1412.42 ms. Allocated memory was 393.2 MB in the beginning and 586.7 MB in the end (delta: 193.5 MB). Free memory was 318.8 MB in the beginning and 401.6 MB in the end (delta: -82.8 MB). Peak memory consumption was 110.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: 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: 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: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 49 locations, 13 error locations. SAFE Result, 1.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 179 SDtfs, 342 SDslu, 490 SDs, 0 SdLazy, 445 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred 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, 23 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 13705 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/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_09-46-40-421.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_09-46-40-421.csv Received shutdown request...