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/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-5f7ec6e [2018-01-31 08:18:21,753 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-31 08:18:21,755 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-31 08:18:21,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-31 08:18:21,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-31 08:18:21,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-31 08:18:21,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-31 08:18:21,785 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-31 08:18:21,787 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-31 08:18:21,788 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-31 08:18:21,796 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-31 08:18:21,796 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-31 08:18:21,797 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-31 08:18:21,798 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-31 08:18:21,799 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-31 08:18:21,803 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-31 08:18:21,807 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-31 08:18:21,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-31 08:18:21,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-31 08:18:21,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-31 08:18:21,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-31 08:18:21,825 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-31 08:18:21,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-31 08:18:21,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-31 08:18:21,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-31 08:18:21,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-31 08:18:21,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-31 08:18:21,843 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-31 08:18:21,843 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-31 08:18:21,843 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-31 08:18:21,843 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-31 08:18:21,844 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-31 08:18:21,844 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-31 08:18:21,844 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-31 08:18:21,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-31 08:18:21,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-31 08:18:21,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-31 08:18:21,845 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-31 08:18:21,845 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-31 08:18:21,845 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-31 08:18:21,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-31 08:18:21,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-31 08:18:21,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-31 08:18:21,846 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-31 08:18:21,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-31 08:18:21,847 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-31 08:18:21,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-31 08:18:21,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-31 08:18:21,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-31 08:18:21,847 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-31 08:18:21,848 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-31 08:18:21,848 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-31 08:18:21,848 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-31 08:18:21,848 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-31 08:18:21,848 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-31 08:18:21,848 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-31 08:18:21,851 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-31 08:18:21,851 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-31 08:18:21,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-31 08:18:21,917 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-31 08:18:21,921 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-31 08:18:21,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-31 08:18:21,924 INFO L276 PluginConnector]: CDTParser initialized [2018-01-31 08:18:21,925 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:18:22,169 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-31 08:18:22,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-31 08:18:22,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-31 08:18:22,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-31 08:18:22,187 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-31 08:18:22,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b312c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22, skipping insertion in model container [2018-01-31 08:18:22,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,210 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:18:22,269 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-31 08:18:22,421 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:18:22,445 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-31 08:18:22,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22 WrapperNode [2018-01-31 08:18:22,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-31 08:18:22,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-31 08:18:22,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-31 08:18:22,462 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-31 08:18:22,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... [2018-01-31 08:18:22,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-31 08:18:22,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-31 08:18:22,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-31 08:18:22,522 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-31 08:18:22,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (1/1) ... No working directory specified, using /storage/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 [2018-01-31 08:18:22,586 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-31 08:18:22,586 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-31 08:18:22,586 INFO L136 BoogieDeclarations]: Found implementation of procedure test_fun [2018-01-31 08:18:22,586 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-31 08:18:22,586 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-31 08:18:22,586 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-31 08:18:22,586 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-31 08:18:22,586 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-31 08:18:22,587 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-31 08:18:22,587 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-31 08:18:22,587 INFO L128 BoogieDeclarations]: Found specification of procedure test_fun [2018-01-31 08:18:22,587 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-31 08:18:22,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-31 08:18:22,587 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-31 08:18:23,050 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-31 08:18:23,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:18:23 BoogieIcfgContainer [2018-01-31 08:18:23,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-31 08:18:23,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-31 08:18:23,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-31 08:18:23,055 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-31 08:18:23,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 08:18:22" (1/3) ... [2018-01-31 08:18:23,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d64f796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:18:23, skipping insertion in model container [2018-01-31 08:18:23,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 08:18:22" (2/3) ... [2018-01-31 08:18:23,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d64f796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 08:18:23, skipping insertion in model container [2018-01-31 08:18:23,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 08:18:23" (3/3) ... [2018-01-31 08:18:23,058 INFO L107 eAbstractionObserver]: Analyzing ICFG array02-alloca_true-valid-memsafety_true-termination.i [2018-01-31 08:18:23,066 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-31 08:18:23,072 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-31 08:18:23,134 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-31 08:18:23,134 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-31 08:18:23,134 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-31 08:18:23,134 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-31 08:18:23,134 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-31 08:18:23,135 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-31 08:18:23,135 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-31 08:18:23,135 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-31 08:18:23,136 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-31 08:18:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-01-31 08:18:23,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-31 08:18:23,168 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:18:23,172 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, 1, 1, 1] [2018-01-31 08:18:23,172 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]=== [2018-01-31 08:18:23,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1594263380, now seen corresponding path program 1 times [2018-01-31 08:18:23,179 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:18:23,180 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:18:23,235 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:23,235 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:18:23,236 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:18:23,316 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:18:23,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:18:23,543 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:18:23,544 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-31 08:18:23,545 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 08:18:23,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 08:18:23,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:18:23,563 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2018-01-31 08:18:24,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:18:24,174 INFO L93 Difference]: Finished difference Result 118 states and 135 transitions. [2018-01-31 08:18:24,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-31 08:18:24,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 23 [2018-01-31 08:18:24,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:18:24,185 INFO L225 Difference]: With dead ends: 118 [2018-01-31 08:18:24,185 INFO L226 Difference]: Without dead ends: 63 [2018-01-31 08:18:24,188 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-31 08:18:24,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-01-31 08:18:24,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-01-31 08:18:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-01-31 08:18:24,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2018-01-31 08:18:24,224 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 23 [2018-01-31 08:18:24,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:18:24,225 INFO L432 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2018-01-31 08:18:24,225 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 08:18:24,225 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2018-01-31 08:18:24,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-31 08:18:24,226 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:18:24,226 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, 1, 1, 1] [2018-01-31 08:18:24,227 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]=== [2018-01-31 08:18:24,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1594263381, now seen corresponding path program 1 times [2018-01-31 08:18:24,227 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:18:24,227 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:18:24,228 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:24,228 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:18:24,228 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:18:24,251 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:18:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:18:24,615 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:18:24,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-31 08:18:24,618 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-31 08:18:24,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-31 08:18:24,619 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-31 08:18:24,619 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand 8 states. [2018-01-31 08:18:25,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:18:25,213 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2018-01-31 08:18:25,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-31 08:18:25,213 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-01-31 08:18:25,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:18:25,218 INFO L225 Difference]: With dead ends: 101 [2018-01-31 08:18:25,218 INFO L226 Difference]: Without dead ends: 95 [2018-01-31 08:18:25,219 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-01-31 08:18:25,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-01-31 08:18:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2018-01-31 08:18:25,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-01-31 08:18:25,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2018-01-31 08:18:25,234 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 23 [2018-01-31 08:18:25,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:18:25,238 INFO L432 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2018-01-31 08:18:25,239 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-31 08:18:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-01-31 08:18:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-31 08:18:25,240 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:18:25,240 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, 1, 1, 1, 1, 1, 1] [2018-01-31 08:18:25,240 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]=== [2018-01-31 08:18:25,240 INFO L82 PathProgramCache]: Analyzing trace with hash 954625981, now seen corresponding path program 1 times [2018-01-31 08:18:25,240 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:18:25,241 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:18:25,242 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:25,242 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:18:25,242 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:18:25,259 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:18:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:18:25,317 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:18:25,317 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-31 08:18:25,318 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-31 08:18:25,318 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-31 08:18:25,318 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-01-31 08:18:25,318 INFO L87 Difference]: Start difference. First operand 90 states and 96 transitions. Second operand 6 states. [2018-01-31 08:18:25,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:18:25,432 INFO L93 Difference]: Finished difference Result 99 states and 104 transitions. [2018-01-31 08:18:25,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-31 08:18:25,433 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2018-01-31 08:18:25,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:18:25,435 INFO L225 Difference]: With dead ends: 99 [2018-01-31 08:18:25,435 INFO L226 Difference]: Without dead ends: 93 [2018-01-31 08:18:25,435 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-01-31 08:18:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-01-31 08:18:25,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 90. [2018-01-31 08:18:25,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-01-31 08:18:25,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2018-01-31 08:18:25,447 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 26 [2018-01-31 08:18:25,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:18:25,447 INFO L432 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2018-01-31 08:18:25,448 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-31 08:18:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2018-01-31 08:18:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-01-31 08:18:25,449 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:18:25,449 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:18:25,449 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]=== [2018-01-31 08:18:25,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1829160480, now seen corresponding path program 1 times [2018-01-31 08:18:25,450 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:18:25,450 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:18:25,451 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:25,451 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:18:25,451 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:18:25,468 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:18:25,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:18:25,745 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-31 08:18:25,745 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-31 08:18:25,764 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:18:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:18:25,817 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-31 08:18:25,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-31 08:18:25,871 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-31 08:18:25,875 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-31 08:18:25,875 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-31 08:18:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-31 08:18:26,454 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-31 08:18:26,454 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2018-01-31 08:18:26,454 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-31 08:18:26,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-31 08:18:26,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-01-31 08:18:26,455 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand 18 states. [2018-01-31 08:18:27,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:18:27,562 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2018-01-31 08:18:27,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-01-31 08:18:27,564 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 36 [2018-01-31 08:18:27,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:18:27,566 INFO L225 Difference]: With dead ends: 94 [2018-01-31 08:18:27,566 INFO L226 Difference]: Without dead ends: 88 [2018-01-31 08:18:27,567 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=174, Invalid=582, Unknown=0, NotChecked=0, Total=756 [2018-01-31 08:18:27,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-01-31 08:18:27,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 59. [2018-01-31 08:18:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-01-31 08:18:27,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 62 transitions. [2018-01-31 08:18:27,575 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 62 transitions. Word has length 36 [2018-01-31 08:18:27,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:18:27,576 INFO L432 AbstractCegarLoop]: Abstraction has 59 states and 62 transitions. [2018-01-31 08:18:27,576 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-31 08:18:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2018-01-31 08:18:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-01-31 08:18:27,577 INFO L343 BasicCegarLoop]: Found error trace [2018-01-31 08:18:27,578 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-31 08:18:27,578 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]=== [2018-01-31 08:18:27,578 INFO L82 PathProgramCache]: Analyzing trace with hash 2027793746, now seen corresponding path program 1 times [2018-01-31 08:18:27,578 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-31 08:18:27,578 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-31 08:18:27,579 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:27,579 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-31 08:18:27,580 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-31 08:18:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-31 08:18:27,605 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-31 08:18:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-31 08:18:27,670 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-31 08:18:27,670 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-31 08:18:27,670 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-31 08:18:27,671 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-31 08:18:27,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-31 08:18:27,671 INFO L87 Difference]: Start difference. First operand 59 states and 62 transitions. Second operand 4 states. [2018-01-31 08:18:27,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-31 08:18:27,848 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2018-01-31 08:18:27,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-31 08:18:27,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-01-31 08:18:27,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-31 08:18:27,849 INFO L225 Difference]: With dead ends: 59 [2018-01-31 08:18:27,849 INFO L226 Difference]: Without dead ends: 0 [2018-01-31 08:18:27,849 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 [2018-01-31 08:18:27,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-31 08:18:27,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-31 08:18:27,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-31 08:18:27,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-31 08:18:27,850 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2018-01-31 08:18:27,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-31 08:18:27,850 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-31 08:18:27,850 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-31 08:18:27,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-31 08:18:27,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-31 08:18:27,855 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-31 08:18:28,044 WARN L143 SmtUtils]: Spent 112ms on a formula simplification that was a NOOP. DAG size: 28 [2018-01-31 08:18:28,631 WARN L146 SmtUtils]: Spent 584ms on a formula simplification. DAG size of input: 57 DAG size of output 51 [2018-01-31 08:18:28,997 WARN L146 SmtUtils]: Spent 353ms on a formula simplification. DAG size of input: 51 DAG size of output 46 [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 563) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point test_funErr6RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 555) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point L546(lines 546 549) no Hoare annotation was computed. [2018-01-31 08:18:29,001 INFO L399 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point test_funErr5RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L395 ceAbstractionStarter]: At program point L546'''''(lines 546 549) the Hoare annotation is: (or (not (= (select |#valid| |test_fun_#in~a.base|) 1)) (not (= 0 |test_fun_#in~a.offset|)) (let ((.cse0 (= test_fun_~a.offset 0)) (.cse1 (= 1 (select |#valid| test_fun_~a.base))) (.cse2 (<= |test_fun_#in~N| test_fun_~N))) (or (and .cse0 .cse1 .cse2 (<= 1 test_fun_~i~2) (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| test_fun_~a.base)) (<= test_fun_~N v_main_~array_size~6_BEFORE_CALL_1))) (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= (+ test_fun_~i~2 1) v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| test_fun_~a.base))))) (let ((.cse3 (select |#length| test_fun_~a.base))) (and (<= 4 .cse3) .cse0 (= 0 test_fun_~i~2) .cse1 .cse2 (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= |test_fun_#in~N| v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| test_fun_~a.base)))) (<= (* 4 test_fun_~N) .cse3))))) (< (select |#length| |test_fun_#in~a.base|) 4) (not (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= |test_fun_#in~N| v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| |test_fun_#in~a.base|)))))) [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point test_funErr7RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point test_funErr11RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,002 INFO L399 ceAbstractionStarter]: For program point L552''(line 552) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point L550''(line 550) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point L550'''''(lines 550 553) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point L546''''(line 546) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point L545'''''(line 545) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point L550'(line 550) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point test_funErr8RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point test_funEXIT(lines 540 555) no Hoare annotation was computed. [2018-01-31 08:18:29,003 INFO L399 ceAbstractionStarter]: For program point test_funErr3RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point L551'''(line 551) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point L550''''(line 550) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point L547''''(line 547) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L402 ceAbstractionStarter]: At program point test_funENTRY(lines 540 555) the Hoare annotation is: true [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point L551''''(line 551) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point test_funErr0RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,004 INFO L399 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point L551'(line 551) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point test_funErr1RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point test_funErr2RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point L551''(line 551) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point L547'''(line 547) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point L548'(line 548) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point test_funErr10RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,005 INFO L399 ceAbstractionStarter]: For program point L545'''(lines 545 554) no Hoare annotation was computed. [2018-01-31 08:18:29,006 INFO L399 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2018-01-31 08:18:29,006 INFO L399 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-01-31 08:18:29,006 INFO L399 ceAbstractionStarter]: For program point L552'(line 552) no Hoare annotation was computed. [2018-01-31 08:18:29,006 INFO L399 ceAbstractionStarter]: For program point L550(lines 550 553) no Hoare annotation was computed. [2018-01-31 08:18:29,006 INFO L399 ceAbstractionStarter]: For program point L545'''''''(lines 545 554) no Hoare annotation was computed. [2018-01-31 08:18:29,006 INFO L395 ceAbstractionStarter]: At program point L545''''''(lines 545 554) the Hoare annotation is: (let ((.cse4 (select |#length| test_fun_~a.base))) (let ((.cse0 (<= 4 .cse4)) (.cse1 (= test_fun_~a.offset 0)) (.cse2 (= 1 (select |#valid| test_fun_~a.base))) (.cse3 (<= |test_fun_#in~N| test_fun_~N))) (or (and .cse0 .cse1 (= 0 test_fun_~i~2) .cse2 .cse3 (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= |test_fun_#in~N| v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| test_fun_~a.base)))) (<= (* 4 test_fun_~N) .cse4)) (not (= (select |#valid| |test_fun_#in~a.base|) 1)) (not (= 0 |test_fun_#in~a.offset|)) (and .cse0 .cse1 .cse2 .cse3 (<= 1 test_fun_~i~2) (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| test_fun_~a.base)) (<= test_fun_~N v_main_~array_size~6_BEFORE_CALL_1)))) (< (select |#length| |test_fun_#in~a.base|) 4) (not (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= |test_fun_#in~N| v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| |test_fun_#in~a.base|)))))))) [2018-01-31 08:18:29,007 INFO L399 ceAbstractionStarter]: For program point test_funErr9RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,007 INFO L399 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-01-31 08:18:29,007 INFO L399 ceAbstractionStarter]: For program point L545'(lines 545 554) no Hoare annotation was computed. [2018-01-31 08:18:29,007 INFO L399 ceAbstractionStarter]: For program point test_funErr4RequiresViolation(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,007 INFO L399 ceAbstractionStarter]: For program point L548''(line 548) no Hoare annotation was computed. [2018-01-31 08:18:29,007 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 563) the Hoare annotation is: true [2018-01-31 08:18:29,007 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,007 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 563) the Hoare annotation is: true [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 563) no Hoare annotation was computed. [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point L561'(line 561) no Hoare annotation was computed. [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point L562'(line 562) no Hoare annotation was computed. [2018-01-31 08:18:29,008 INFO L395 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (* 4 main_~array_size~6))) (and (= 1 (select |#valid| |main_#t~malloc10.base|)) (= 0 main_~numbers~6.offset) (<= 1 main_~array_size~6) (= 0 |main_#t~malloc10.offset|) (= (store |#valid| |main_#t~malloc10.base| (select (store |#valid| |main_#t~malloc10.base| 0) |main_#t~malloc10.base|)) |old(#valid)|) (= 1 (select |#valid| main_~numbers~6.base)) (= .cse0 (select |#length| |main_#t~malloc10.base|)) (= .cse0 (select |#length| main_~numbers~6.base)))) [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 556 563) no Hoare annotation was computed. [2018-01-31 08:18:29,008 INFO L399 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-01-31 08:18:29,009 INFO L399 ceAbstractionStarter]: For program point L558(lines 558 560) no Hoare annotation was computed. [2018-01-31 08:18:29,009 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 556 563) no Hoare annotation was computed. [2018-01-31 08:18:29,009 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 556 563) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-31 08:18:29,009 INFO L399 ceAbstractionStarter]: For program point L558''(lines 558 560) no Hoare annotation was computed. [2018-01-31 08:18:29,009 INFO L399 ceAbstractionStarter]: For program point L557'(line 557) no Hoare annotation was computed. [2018-01-31 08:18:29,009 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 556 563) no Hoare annotation was computed. [2018-01-31 08:18:29,016 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,018 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,018 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,018 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,020 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,021 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,022 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,027 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,027 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,027 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,027 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,028 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,035 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,035 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,035 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,036 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,037 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,037 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,039 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,040 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,040 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,040 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,041 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,041 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,041 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,041 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,042 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,042 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,042 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,042 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,043 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,044 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,044 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,045 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,046 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,046 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,046 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,046 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,047 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,047 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,047 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 08:18:29 BoogieIcfgContainer [2018-01-31 08:18:29,049 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-31 08:18:29,050 INFO L168 Benchmark]: Toolchain (without parser) took 6880.78 ms. Allocated memory was 309.3 MB in the beginning and 512.2 MB in the end (delta: 202.9 MB). Free memory was 269.1 MB in the beginning and 448.2 MB in the end (delta: -179.2 MB). Peak memory consumption was 135.4 MB. Max. memory is 5.3 GB. [2018-01-31 08:18:29,052 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-31 08:18:29,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.80 ms. Allocated memory is still 309.3 MB. Free memory was 268.1 MB in the beginning and 257.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. [2018-01-31 08:18:29,052 INFO L168 Benchmark]: Boogie Preprocessor took 60.52 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. [2018-01-31 08:18:29,053 INFO L168 Benchmark]: RCFGBuilder took 528.39 ms. Allocated memory is still 309.3 MB. Free memory was 255.9 MB in the beginning and 235.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 5.3 GB. [2018-01-31 08:18:29,053 INFO L168 Benchmark]: TraceAbstraction took 5998.26 ms. Allocated memory was 309.3 MB in the beginning and 512.2 MB in the end (delta: 202.9 MB). Free memory was 235.9 MB in the beginning and 448.2 MB in the end (delta: -212.3 MB). Peak memory consumption was 102.2 MB. Max. memory is 5.3 GB. [2018-01-31 08:18:29,057 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 309.3 MB. Free memory is still 275.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 280.80 ms. Allocated memory is still 309.3 MB. Free memory was 268.1 MB in the beginning and 257.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 60.52 ms. Allocated memory is still 309.3 MB. Free memory was 257.9 MB in the beginning and 255.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 5.3 GB. * RCFGBuilder took 528.39 ms. Allocated memory is still 309.3 MB. Free memory was 255.9 MB in the beginning and 235.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 5998.26 ms. Allocated memory was 309.3 MB in the beginning and 512.2 MB in the end (delta: 202.9 MB). Free memory was 235.9 MB in the beginning and 448.2 MB in the end (delta: -212.3 MB). Peak memory consumption was 102.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 - InvariantResult [Line: 546]: Loop Invariant [2018-01-31 08:18:29,069 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,069 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,069 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,069 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,070 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,070 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,070 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,070 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,071 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,079 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,079 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,079 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,080 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,080 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,080 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,082 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,083 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,083 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,084 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,084 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,084 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,084 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,085 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,085 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((!(\valid[a] == 1) || !(0 == a)) || (((((a == 0 && 1 == \valid[a]) && \old(N) <= N) && 1 <= i) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a] && N <= v_main_~array_size~6_BEFORE_CALL_1)) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: i + 1 <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a])) || ((((((4 <= unknown-#length-unknown[a] && a == 0) && 0 == i) && 1 == \valid[a]) && \old(N) <= N) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: \old(N) <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a])) && 4 * N <= unknown-#length-unknown[a])) || unknown-#length-unknown[a] < 4) || !(\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: \old(N) <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a]) - InvariantResult [Line: 545]: Loop Invariant [2018-01-31 08:18:29,089 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,090 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,091 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,091 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,092 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,102 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,103 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,103 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,103 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,103 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,104 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-31 08:18:29,104 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,104 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,104 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,104 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,105 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,105 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-31 08:18:29,105 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((4 <= unknown-#length-unknown[a] && a == 0) && 0 == i) && 1 == \valid[a]) && \old(N) <= N) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: \old(N) <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a])) && 4 * N <= unknown-#length-unknown[a]) || !(\valid[a] == 1)) || !(0 == a)) || (((((4 <= unknown-#length-unknown[a] && a == 0) && 1 == \valid[a]) && \old(N) <= N) && 1 <= i) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a] && N <= v_main_~array_size~6_BEFORE_CALL_1))) || unknown-#length-unknown[a] < 4) || !(\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: \old(N) <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[a]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 72 locations, 13 error locations. SAFE Result, 5.8s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 270 SDtfs, 750 SDslu, 856 SDs, 0 SdLazy, 483 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 84 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=90occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 37 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 266 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 230 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 177 ConstructedInterpolants, 23 QuantifiedInterpolants, 36980 SizeOfPredicates, 8 NumberOfNonLiveVariables, 95 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 4/10 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-31_08-18-29-112.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/array02-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-31_08-18-29-112.csv Received shutdown request...