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 --cacsl2boogietranslator.bitprecise.bitfields false -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 00:03:57,468 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 00:03:57,470 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 00:03:57,484 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 00:03:57,484 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 00:03:57,485 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 00:03:57,485 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 00:03:57,487 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 00:03:57,489 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 00:03:57,489 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 00:03:57,490 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 00:03:57,490 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 00:03:57,491 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 00:03:57,492 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 00:03:57,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 00:03:57,494 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 00:03:57,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 00:03:57,496 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 00:03:57,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 00:03:57,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 00:03:57,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 00:03:57,500 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 00:03:57,500 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 00:03:57,501 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 00:03:57,501 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 00:03:57,502 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 00:03:57,502 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 00:03:57,503 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 00:03:57,503 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 00:03:57,504 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 00:03:57,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 00:03:57,504 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-13 00:03:57,513 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 00:03:57,514 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 00:03:57,514 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 00:03:57,515 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 00:03:57,515 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 00:03:57,515 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 00:03:57,515 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 00:03:57,515 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 00:03:57,515 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 00:03:57,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 00:03:57,516 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 00:03:57,516 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 00:03:57,516 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 00:03:57,516 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 00:03:57,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 00:03:57,516 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 00:03:57,517 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 00:03:57,517 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 00:03:57,517 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 00:03:57,517 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 00:03:57,517 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 00:03:57,517 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-13 00:03:57,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 00:03:57,556 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 00:03:57,560 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 00:03:57,561 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 00:03:57,561 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 00:03:57,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c [2018-04-13 00:03:57,838 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG06ba79b3f [2018-04-13 00:03:57,944 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 00:03:57,944 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 00:03:57,945 INFO L168 CDTParser]: Scanning ArraysOfVariableLength4_true-valid-memsafety_true-termination.c [2018-04-13 00:03:57,945 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 00:03:57,945 INFO L215 ultiparseSymbolTable]: [2018-04-13 00:03:57,946 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 00:03:57,946 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo ('foo') in ArraysOfVariableLength4_true-valid-memsafety_true-termination.c [2018-04-13 00:03:57,946 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength4_true-valid-memsafety_true-termination.c [2018-04-13 00:03:57,946 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 00:03:57,946 INFO L233 ultiparseSymbolTable]: [2018-04-13 00:03:57,957 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG06ba79b3f [2018-04-13 00:03:57,960 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 00:03:57,961 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 00:03:57,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 00:03:57,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 00:03:57,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 00:03:57,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 12:03:57" (1/1) ... [2018-04-13 00:03:57,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d0760e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:57, skipping insertion in model container [2018-04-13 00:03:57,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 12:03:57" (1/1) ... [2018-04-13 00:03:57,977 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 00:03:57,985 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 00:03:58,074 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 00:03:58,091 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 00:03:58,095 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-13 00:03:58,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58 WrapperNode [2018-04-13 00:03:58,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 00:03:58,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 00:03:58,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 00:03:58,102 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 00:03:58,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (1/1) ... [2018-04-13 00:03:58,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 00:03:58,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 00:03:58,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 00:03:58,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 00:03:58,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (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 [2018-04-13 00:03:58,161 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 00:03:58,161 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 00:03:58,161 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo [2018-04-13 00:03:58,161 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 00:03:58,162 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 00:03:58,163 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 00:03:58,342 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 00:03:58,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 12:03:58 BoogieIcfgContainer [2018-04-13 00:03:58,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 00:03:58,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 00:03:58,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 00:03:58,345 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 00:03:58,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 12:03:57" (1/3) ... [2018-04-13 00:03:58,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216a6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 12:03:58, skipping insertion in model container [2018-04-13 00:03:58,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:03:58" (2/3) ... [2018-04-13 00:03:58,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@216a6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 12:03:58, skipping insertion in model container [2018-04-13 00:03:58,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 12:03:58" (3/3) ... [2018-04-13 00:03:58,347 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength4_true-valid-memsafety_true-termination.c [2018-04-13 00:03:58,352 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-13 00:03:58,356 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-04-13 00:03:58,386 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 00:03:58,387 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 00:03:58,387 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 00:03:58,387 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-13 00:03:58,387 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-13 00:03:58,387 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 00:03:58,387 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 00:03:58,388 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 00:03:58,388 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 00:03:58,388 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 00:03:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-04-13 00:03:58,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-13 00:03:58,404 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:58,404 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:58,405 INFO L408 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:58,407 INFO L82 PathProgramCache]: Analyzing trace with hash -215054890, now seen corresponding path program 1 times [2018-04-13 00:03:58,444 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:58,474 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,520 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:03:58,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 00:03:58,521 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,521 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(= main_~i~1 0)] [2018-04-13 00:03:58,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 00:03:58,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 00:03:58,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 00:03:58,531 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2018-04-13 00:03:58,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:58,583 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-04-13 00:03:58,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 00:03:58,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-04-13 00:03:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:58,592 INFO L225 Difference]: With dead ends: 63 [2018-04-13 00:03:58,592 INFO L226 Difference]: Without dead ends: 59 [2018-04-13 00:03:58,594 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 00:03:58,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-13 00:03:58,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2018-04-13 00:03:58,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-13 00:03:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-04-13 00:03:58,619 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 11 [2018-04-13 00:03:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:58,620 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-04-13 00:03:58,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 00:03:58,620 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-04-13 00:03:58,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-13 00:03:58,620 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:58,620 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:58,621 INFO L408 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:58,621 INFO L82 PathProgramCache]: Analyzing trace with hash 1100032001, now seen corresponding path program 1 times [2018-04-13 00:03:58,622 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:58,636 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:58,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,698 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:03:58,698 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 00:03:58,698 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,698 INFO L182 omatonBuilderFactory]: Interpolants [164#true, 165#false, 166#(= 32 |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size|), 167#(and (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 168#(= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)] [2018-04-13 00:03:58,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:03:58,700 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:03:58,700 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:58,701 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 5 states. [2018-04-13 00:03:58,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:58,763 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-04-13 00:03:58,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 00:03:58,764 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-13 00:03:58,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:58,764 INFO L225 Difference]: With dead ends: 57 [2018-04-13 00:03:58,765 INFO L226 Difference]: Without dead ends: 57 [2018-04-13 00:03:58,765 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:58,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-13 00:03:58,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2018-04-13 00:03:58,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-13 00:03:58,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-04-13 00:03:58,770 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 16 [2018-04-13 00:03:58,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:58,770 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-04-13 00:03:58,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:03:58,770 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-04-13 00:03:58,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-13 00:03:58,771 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:58,771 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:58,771 INFO L408 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:58,771 INFO L82 PathProgramCache]: Analyzing trace with hash -258746290, now seen corresponding path program 1 times [2018-04-13 00:03:58,772 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:58,781 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:58,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,829 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:03:58,829 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 00:03:58,829 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,829 INFO L182 omatonBuilderFactory]: Interpolants [280#true, 281#false, 282#(and (= 32 (select |#length| |main_~#mask~0.base|)) (= 0 |main_~#mask~0.offset|)), 283#(and (= 32 (select |#length| |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.base|)) (= 0 |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.offset|)), 284#(and (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.offset 0) (= 32 (select |#length| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base))), 285#(and (<= 0 __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0) (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 31) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.offset 0) (= 32 (select |#length| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base)))] [2018-04-13 00:03:58,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 00:03:58,830 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 00:03:58,830 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:58,830 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 6 states. [2018-04-13 00:03:58,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:58,879 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-04-13 00:03:58,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:03:58,879 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-13 00:03:58,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:58,880 INFO L225 Difference]: With dead ends: 51 [2018-04-13 00:03:58,880 INFO L226 Difference]: Without dead ends: 51 [2018-04-13 00:03:58,880 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:03:58,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-13 00:03:58,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-13 00:03:58,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-13 00:03:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-04-13 00:03:58,883 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 17 [2018-04-13 00:03:58,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:58,883 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-04-13 00:03:58,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 00:03:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-04-13 00:03:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-13 00:03:58,883 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:58,883 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:58,884 INFO L408 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:58,884 INFO L82 PathProgramCache]: Analyzing trace with hash -258746291, now seen corresponding path program 1 times [2018-04-13 00:03:58,884 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:58,889 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,913 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:03:58,913 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 00:03:58,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,914 INFO L182 omatonBuilderFactory]: Interpolants [392#true, 393#false, 394#(= 1 (select |#valid| |main_~#mask~0.base|)), 395#(= 1 (select |#valid| |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.base|)), 396#(= 1 (select |#valid| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base))] [2018-04-13 00:03:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:58,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:03:58,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:03:58,915 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:58,915 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 5 states. [2018-04-13 00:03:58,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:58,946 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-04-13 00:03:58,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:03:58,946 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2018-04-13 00:03:58,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:58,947 INFO L225 Difference]: With dead ends: 50 [2018-04-13 00:03:58,947 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 00:03:58,947 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:58,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 00:03:58,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 00:03:58,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 00:03:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-04-13 00:03:58,950 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 17 [2018-04-13 00:03:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:58,951 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-04-13 00:03:58,951 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:03:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-04-13 00:03:58,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 00:03:58,951 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:58,952 INFO L355 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:58,952 INFO L408 AbstractCegarLoop]: === Iteration 5 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:58,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1933852231, now seen corresponding path program 1 times [2018-04-13 00:03:58,953 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:58,963 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:59,005 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,005 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 00:03:59,005 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:59,005 INFO L182 omatonBuilderFactory]: Interpolants [499#true, 500#false, 501#(= 32 |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size|), 502#(= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32), 503#(and (<= 0 __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)), 504#(and (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (<= 1 __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0)), 505#(and (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 31) (<= 1 __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0))] [2018-04-13 00:03:59,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:59,006 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:03:59,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:03:59,006 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:03:59,006 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 7 states. [2018-04-13 00:03:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,045 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-04-13 00:03:59,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:03:59,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-04-13 00:03:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,047 INFO L225 Difference]: With dead ends: 52 [2018-04-13 00:03:59,047 INFO L226 Difference]: Without dead ends: 52 [2018-04-13 00:03:59,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:03:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-13 00:03:59,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-04-13 00:03:59,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-13 00:03:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-04-13 00:03:59,051 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 22 [2018-04-13 00:03:59,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,051 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-04-13 00:03:59,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:03:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-04-13 00:03:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 00:03:59,052 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,052 INFO L355 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] [2018-04-13 00:03:59,052 INFO L408 AbstractCegarLoop]: === Iteration 6 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1693854175, now seen corresponding path program 1 times [2018-04-13 00:03:59,053 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,063 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 00:03:59,089 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:03:59,089 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 00:03:59,089 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:59,090 INFO L182 omatonBuilderFactory]: Interpolants [612#true, 613#false, 614#(<= 0 main_~i~1), 615#(<= 1 main_~i~1), 616#(and (<= main_~i~1 31) (<= 1 main_~i~1))] [2018-04-13 00:03:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 00:03:59,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:03:59,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:03:59,090 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:59,090 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 5 states. [2018-04-13 00:03:59,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,123 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-04-13 00:03:59,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:03:59,123 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-13 00:03:59,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,124 INFO L225 Difference]: With dead ends: 58 [2018-04-13 00:03:59,124 INFO L226 Difference]: Without dead ends: 58 [2018-04-13 00:03:59,124 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:59,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-13 00:03:59,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2018-04-13 00:03:59,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-13 00:03:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-04-13 00:03:59,128 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 29 [2018-04-13 00:03:59,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,128 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-04-13 00:03:59,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:03:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-04-13 00:03:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-13 00:03:59,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,129 INFO L355 BasicCegarLoop]: trace histogram [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, 1, 1, 1] [2018-04-13 00:03:59,130 INFO L408 AbstractCegarLoop]: === Iteration 7 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1643098334, now seen corresponding path program 1 times [2018-04-13 00:03:59,131 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,142 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 00:03:59,162 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,163 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-13 00:03:59,163 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:03:59,163 INFO L182 omatonBuilderFactory]: Interpolants [720#false, 721#(= main_~i~1 0), 722#(<= main_~i~1 1), 719#true] [2018-04-13 00:03:59,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-04-13 00:03:59,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 00:03:59,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 00:03:59,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-13 00:03:59,164 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 4 states. [2018-04-13 00:03:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,199 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-04-13 00:03:59,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 00:03:59,199 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-04-13 00:03:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,200 INFO L225 Difference]: With dead ends: 72 [2018-04-13 00:03:59,200 INFO L226 Difference]: Without dead ends: 72 [2018-04-13 00:03:59,201 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-13 00:03:59,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-13 00:03:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2018-04-13 00:03:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-13 00:03:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-04-13 00:03:59,205 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 37 [2018-04-13 00:03:59,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,205 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-04-13 00:03:59,205 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 00:03:59,205 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-04-13 00:03:59,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-13 00:03:59,207 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,207 INFO L355 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:59,207 INFO L408 AbstractCegarLoop]: === Iteration 8 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1953764441, now seen corresponding path program 2 times [2018-04-13 00:03:59,208 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,228 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-13 00:03:59,283 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,283 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-13 00:03:59,283 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-04-13 00:03:59,284 INFO L182 omatonBuilderFactory]: Interpolants [850#true, 851#false, 852#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 853#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 854#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:03:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-04-13 00:03:59,284 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:03:59,284 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:03:59,285 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:59,285 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 5 states. [2018-04-13 00:03:59,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,326 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-04-13 00:03:59,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:03:59,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2018-04-13 00:03:59,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,331 INFO L225 Difference]: With dead ends: 68 [2018-04-13 00:03:59,331 INFO L226 Difference]: Without dead ends: 65 [2018-04-13 00:03:59,332 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:59,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-13 00:03:59,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2018-04-13 00:03:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-13 00:03:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-04-13 00:03:59,335 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 55 [2018-04-13 00:03:59,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,335 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-04-13 00:03:59,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:03:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-04-13 00:03:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-13 00:03:59,336 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,336 INFO L355 BasicCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:59,336 INFO L408 AbstractCegarLoop]: === Iteration 9 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,336 INFO L82 PathProgramCache]: Analyzing trace with hash -81663113, now seen corresponding path program 3 times [2018-04-13 00:03:59,337 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,350 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,392 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-04-13 00:03:59,393 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,393 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-13 00:03:59,393 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-04-13 00:03:59,393 INFO L182 omatonBuilderFactory]: Interpolants [986#true, 987#false, 988#(= main_~i~1 0), 989#(<= main_~i~1 1), 990#(<= main_~i~1 2)] [2018-04-13 00:03:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-04-13 00:03:59,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:03:59,394 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:03:59,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:59,394 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 5 states. [2018-04-13 00:03:59,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,440 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-04-13 00:03:59,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:03:59,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-04-13 00:03:59,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,442 INFO L225 Difference]: With dead ends: 94 [2018-04-13 00:03:59,442 INFO L226 Difference]: Without dead ends: 94 [2018-04-13 00:03:59,443 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:03:59,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-13 00:03:59,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2018-04-13 00:03:59,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-13 00:03:59,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2018-04-13 00:03:59,448 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 67 [2018-04-13 00:03:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,448 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2018-04-13 00:03:59,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:03:59,448 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-04-13 00:03:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-13 00:03:59,449 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,450 INFO L355 BasicCegarLoop]: trace histogram [9, 6, 6, 6, 6, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:59,450 INFO L408 AbstractCegarLoop]: === Iteration 10 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,450 INFO L82 PathProgramCache]: Analyzing trace with hash -33793592, now seen corresponding path program 4 times [2018-04-13 00:03:59,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,468 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 10 proven. 84 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-04-13 00:03:59,566 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,566 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 00:03:59,566 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-04-13 00:03:59,566 INFO L182 omatonBuilderFactory]: Interpolants [1157#true, 1158#false, 1159#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 1160#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 1161#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 1162#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:03:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 10 proven. 84 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-04-13 00:03:59,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 00:03:59,567 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 00:03:59,567 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:59,567 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 6 states. [2018-04-13 00:03:59,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,602 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2018-04-13 00:03:59,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:03:59,603 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-04-13 00:03:59,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,603 INFO L225 Difference]: With dead ends: 85 [2018-04-13 00:03:59,603 INFO L226 Difference]: Without dead ends: 82 [2018-04-13 00:03:59,604 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:03:59,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-13 00:03:59,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2018-04-13 00:03:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-13 00:03:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2018-04-13 00:03:59,606 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 91 [2018-04-13 00:03:59,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,607 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2018-04-13 00:03:59,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 00:03:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2018-04-13 00:03:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-13 00:03:59,607 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,608 INFO L355 BasicCegarLoop]: trace histogram [12, 9, 9, 9, 9, 9, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:59,608 INFO L408 AbstractCegarLoop]: === Iteration 11 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,608 INFO L82 PathProgramCache]: Analyzing trace with hash -913746080, now seen corresponding path program 5 times [2018-04-13 00:03:59,608 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,628 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-04-13 00:03:59,673 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,673 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 00:03:59,673 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-04-13 00:03:59,674 INFO L182 omatonBuilderFactory]: Interpolants [1328#true, 1329#false, 1330#(= main_~i~1 0), 1331#(<= main_~i~1 1), 1332#(<= main_~i~1 2), 1333#(<= main_~i~1 3)] [2018-04-13 00:03:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-04-13 00:03:59,675 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 00:03:59,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 00:03:59,675 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:59,675 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand 6 states. [2018-04-13 00:03:59,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,720 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2018-04-13 00:03:59,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:03:59,721 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-04-13 00:03:59,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,721 INFO L225 Difference]: With dead ends: 116 [2018-04-13 00:03:59,721 INFO L226 Difference]: Without dead ends: 116 [2018-04-13 00:03:59,722 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:03:59,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-04-13 00:03:59,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 89. [2018-04-13 00:03:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-13 00:03:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2018-04-13 00:03:59,725 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 109 [2018-04-13 00:03:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,725 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2018-04-13 00:03:59,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 00:03:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2018-04-13 00:03:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-04-13 00:03:59,726 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,726 INFO L355 BasicCegarLoop]: trace histogram [16, 12, 12, 12, 12, 12, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:59,726 INFO L408 AbstractCegarLoop]: === Iteration 12 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,726 INFO L82 PathProgramCache]: Analyzing trace with hash 969284025, now seen corresponding path program 6 times [2018-04-13 00:03:59,727 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,747 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,841 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 14 proven. 237 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-04-13 00:03:59,841 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,841 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-13 00:03:59,841 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-04-13 00:03:59,842 INFO L182 omatonBuilderFactory]: Interpolants [1539#true, 1540#false, 1541#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 1542#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 1543#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 1544#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 1545#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:03:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 14 proven. 237 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2018-04-13 00:03:59,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:03:59,843 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:03:59,843 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:03:59,843 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand 7 states. [2018-04-13 00:03:59,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:03:59,903 INFO L93 Difference]: Finished difference Result 102 states and 111 transitions. [2018-04-13 00:03:59,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 00:03:59,903 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-04-13 00:03:59,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:03:59,905 INFO L225 Difference]: With dead ends: 102 [2018-04-13 00:03:59,905 INFO L226 Difference]: Without dead ends: 99 [2018-04-13 00:03:59,905 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:03:59,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-13 00:03:59,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2018-04-13 00:03:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-13 00:03:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2018-04-13 00:03:59,908 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 139 [2018-04-13 00:03:59,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:03:59,908 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2018-04-13 00:03:59,908 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:03:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-04-13 00:03:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-04-13 00:03:59,909 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:03:59,909 INFO L355 BasicCegarLoop]: trace histogram [20, 16, 16, 16, 16, 16, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:03:59,909 INFO L408 AbstractCegarLoop]: === Iteration 13 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:03:59,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1862037927, now seen corresponding path program 7 times [2018-04-13 00:03:59,910 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:03:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:03:59,922 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:03:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2018-04-13 00:03:59,970 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:03:59,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-13 00:03:59,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:03:59,970 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2018-04-13 00:03:59,971 INFO L182 omatonBuilderFactory]: Interpolants [1745#true, 1746#false, 1747#(= main_~i~1 0), 1748#(<= main_~i~1 1), 1749#(<= main_~i~1 2), 1750#(<= main_~i~1 3), 1751#(<= main_~i~1 4)] [2018-04-13 00:03:59,971 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2018-04-13 00:03:59,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:03:59,971 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:03:59,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:03:59,972 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 7 states. [2018-04-13 00:04:00,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:00,028 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2018-04-13 00:04:00,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 00:04:00,028 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2018-04-13 00:04:00,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:00,029 INFO L225 Difference]: With dead ends: 138 [2018-04-13 00:04:00,029 INFO L226 Difference]: Without dead ends: 138 [2018-04-13 00:04:00,029 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:04:00,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-13 00:04:00,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 106. [2018-04-13 00:04:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-13 00:04:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2018-04-13 00:04:00,033 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 163 [2018-04-13 00:04:00,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:00,034 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2018-04-13 00:04:00,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:04:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2018-04-13 00:04:00,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-04-13 00:04:00,036 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:00,036 INFO L355 BasicCegarLoop]: trace histogram [25, 20, 20, 20, 20, 20, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:00,036 INFO L408 AbstractCegarLoop]: === Iteration 14 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:00,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1319247558, now seen corresponding path program 8 times [2018-04-13 00:04:00,037 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:00,056 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:00,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 18 proven. 512 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2018-04-13 00:04:00,222 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:00,222 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 00:04:00,222 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-04-13 00:04:00,223 INFO L182 omatonBuilderFactory]: Interpolants [2000#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2001#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2002#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2003#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 1996#true, 1997#false, 1998#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 1999#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:04:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1470 backedges. 18 proven. 512 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2018-04-13 00:04:00,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 00:04:00,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 00:04:00,224 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:04:00,225 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 8 states. [2018-04-13 00:04:00,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:00,279 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2018-04-13 00:04:00,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 00:04:00,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2018-04-13 00:04:00,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:00,280 INFO L225 Difference]: With dead ends: 119 [2018-04-13 00:04:00,280 INFO L226 Difference]: Without dead ends: 116 [2018-04-13 00:04:00,281 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-04-13 00:04:00,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-04-13 00:04:00,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2018-04-13 00:04:00,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-13 00:04:00,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2018-04-13 00:04:00,285 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 199 [2018-04-13 00:04:00,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:00,285 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2018-04-13 00:04:00,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 00:04:00,285 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2018-04-13 00:04:00,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-04-13 00:04:00,288 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:00,288 INFO L355 BasicCegarLoop]: trace histogram [30, 25, 25, 25, 25, 25, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:00,289 INFO L408 AbstractCegarLoop]: === Iteration 15 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:00,289 INFO L82 PathProgramCache]: Analyzing trace with hash 125993506, now seen corresponding path program 9 times [2018-04-13 00:04:00,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:00,316 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2018-04-13 00:04:00,411 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:00,412 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 00:04:00,412 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2018-04-13 00:04:00,412 INFO L182 omatonBuilderFactory]: Interpolants [2240#(<= main_~i~1 1), 2241#(<= main_~i~1 2), 2242#(<= main_~i~1 3), 2243#(<= main_~i~1 4), 2244#(<= main_~i~1 5), 2237#true, 2238#false, 2239#(= main_~i~1 0)] [2018-04-13 00:04:00,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2110 trivial. 0 not checked. [2018-04-13 00:04:00,413 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 00:04:00,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 00:04:00,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:04:00,414 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand 8 states. [2018-04-13 00:04:00,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:00,493 INFO L93 Difference]: Finished difference Result 160 states and 169 transitions. [2018-04-13 00:04:00,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 00:04:00,494 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2018-04-13 00:04:00,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:00,495 INFO L225 Difference]: With dead ends: 160 [2018-04-13 00:04:00,495 INFO L226 Difference]: Without dead ends: 160 [2018-04-13 00:04:00,496 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:04:00,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-13 00:04:00,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 123. [2018-04-13 00:04:00,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-13 00:04:00,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 136 transitions. [2018-04-13 00:04:00,502 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 136 transitions. Word has length 229 [2018-04-13 00:04:00,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:00,502 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 136 transitions. [2018-04-13 00:04:00,502 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 00:04:00,503 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2018-04-13 00:04:00,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-04-13 00:04:00,507 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:00,507 INFO L355 BasicCegarLoop]: trace histogram [36, 30, 30, 30, 30, 30, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:00,507 INFO L408 AbstractCegarLoop]: === Iteration 16 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:00,507 INFO L82 PathProgramCache]: Analyzing trace with hash 2046000651, now seen corresponding path program 10 times [2018-04-13 00:04:00,508 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:00,549 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 22 proven. 945 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2018-04-13 00:04:00,716 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:00,716 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-13 00:04:00,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-04-13 00:04:00,717 INFO L182 omatonBuilderFactory]: Interpolants [2528#true, 2529#false, 2530#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 2531#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2532#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2533#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2534#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2535#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 2536#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:00,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3162 backedges. 22 proven. 945 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2018-04-13 00:04:00,719 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 00:04:00,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 00:04:00,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-04-13 00:04:00,719 INFO L87 Difference]: Start difference. First operand 123 states and 136 transitions. Second operand 9 states. [2018-04-13 00:04:00,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:00,782 INFO L93 Difference]: Finished difference Result 136 states and 149 transitions. [2018-04-13 00:04:00,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 00:04:00,783 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-04-13 00:04:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:00,784 INFO L225 Difference]: With dead ends: 136 [2018-04-13 00:04:00,784 INFO L226 Difference]: Without dead ends: 133 [2018-04-13 00:04:00,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:04:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-13 00:04:00,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2018-04-13 00:04:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-13 00:04:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 142 transitions. [2018-04-13 00:04:00,789 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 142 transitions. Word has length 271 [2018-04-13 00:04:00,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:00,789 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 142 transitions. [2018-04-13 00:04:00,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 00:04:00,790 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2018-04-13 00:04:00,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-04-13 00:04:00,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:00,791 INFO L355 BasicCegarLoop]: trace histogram [42, 36, 36, 36, 36, 36, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:00,791 INFO L408 AbstractCegarLoop]: === Iteration 17 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:00,792 INFO L82 PathProgramCache]: Analyzing trace with hash -416957317, now seen corresponding path program 11 times [2018-04-13 00:04:00,793 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:00,825 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 4302 trivial. 0 not checked. [2018-04-13 00:04:00,930 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:00,931 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-13 00:04:00,931 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2018-04-13 00:04:00,932 INFO L182 omatonBuilderFactory]: Interpolants [2804#true, 2805#false, 2806#(= main_~i~1 0), 2807#(<= main_~i~1 1), 2808#(<= main_~i~1 2), 2809#(<= main_~i~1 3), 2810#(<= main_~i~1 4), 2811#(<= main_~i~1 5), 2812#(<= main_~i~1 6)] [2018-04-13 00:04:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 4302 trivial. 0 not checked. [2018-04-13 00:04:00,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 00:04:00,933 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 00:04:00,933 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-04-13 00:04:00,934 INFO L87 Difference]: Start difference. First operand 129 states and 142 transitions. Second operand 9 states. [2018-04-13 00:04:01,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:01,019 INFO L93 Difference]: Finished difference Result 182 states and 192 transitions. [2018-04-13 00:04:01,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 00:04:01,019 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 307 [2018-04-13 00:04:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:01,020 INFO L225 Difference]: With dead ends: 182 [2018-04-13 00:04:01,020 INFO L226 Difference]: Without dead ends: 182 [2018-04-13 00:04:01,020 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-04-13 00:04:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-13 00:04:01,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 140. [2018-04-13 00:04:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-13 00:04:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 155 transitions. [2018-04-13 00:04:01,023 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 155 transitions. Word has length 307 [2018-04-13 00:04:01,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:01,024 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 155 transitions. [2018-04-13 00:04:01,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 00:04:01,024 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 155 transitions. [2018-04-13 00:04:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-04-13 00:04:01,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:01,025 INFO L355 BasicCegarLoop]: trace histogram [49, 42, 42, 42, 42, 42, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:01,025 INFO L408 AbstractCegarLoop]: === Iteration 18 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:01,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1766255124, now seen corresponding path program 12 times [2018-04-13 00:04:01,026 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:01,057 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 6020 backedges. 26 proven. 1572 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2018-04-13 00:04:01,325 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:01,325 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 00:04:01,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 246 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2018-04-13 00:04:01,326 INFO L182 omatonBuilderFactory]: Interpolants [3136#false, 3137#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 3138#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3139#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3140#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3141#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3142#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3143#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3144#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 3135#true] [2018-04-13 00:04:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6020 backedges. 26 proven. 1572 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2018-04-13 00:04:01,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 00:04:01,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 00:04:01,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:04:01,329 INFO L87 Difference]: Start difference. First operand 140 states and 155 transitions. Second operand 10 states. [2018-04-13 00:04:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:01,408 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2018-04-13 00:04:01,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 00:04:01,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 355 [2018-04-13 00:04:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:01,410 INFO L225 Difference]: With dead ends: 153 [2018-04-13 00:04:01,410 INFO L226 Difference]: Without dead ends: 150 [2018-04-13 00:04:01,410 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-04-13 00:04:01,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-13 00:04:01,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2018-04-13 00:04:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-13 00:04:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2018-04-13 00:04:01,415 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 355 [2018-04-13 00:04:01,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:01,415 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2018-04-13 00:04:01,415 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 00:04:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2018-04-13 00:04:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-04-13 00:04:01,418 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:01,418 INFO L355 BasicCegarLoop]: trace histogram [56, 49, 49, 49, 49, 49, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:01,418 INFO L408 AbstractCegarLoop]: === Iteration 19 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:01,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1901043492, now seen corresponding path program 13 times [2018-04-13 00:04:01,419 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:01,460 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 8008 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 7868 trivial. 0 not checked. [2018-04-13 00:04:01,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:01,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 00:04:01,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2018-04-13 00:04:01,608 INFO L182 omatonBuilderFactory]: Interpolants [3446#true, 3447#false, 3448#(= main_~i~1 0), 3449#(<= main_~i~1 1), 3450#(<= main_~i~1 2), 3451#(<= main_~i~1 3), 3452#(<= main_~i~1 4), 3453#(<= main_~i~1 5), 3454#(<= main_~i~1 6), 3455#(<= main_~i~1 7)] [2018-04-13 00:04:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8008 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 7868 trivial. 0 not checked. [2018-04-13 00:04:01,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 00:04:01,611 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 00:04:01,611 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:04:01,611 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand 10 states. [2018-04-13 00:04:01,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:01,718 INFO L93 Difference]: Finished difference Result 204 states and 215 transitions. [2018-04-13 00:04:01,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 00:04:01,718 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 397 [2018-04-13 00:04:01,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:01,720 INFO L225 Difference]: With dead ends: 204 [2018-04-13 00:04:01,720 INFO L226 Difference]: Without dead ends: 204 [2018-04-13 00:04:01,721 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:04:01,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-04-13 00:04:01,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 157. [2018-04-13 00:04:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-13 00:04:01,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 174 transitions. [2018-04-13 00:04:01,726 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 174 transitions. Word has length 397 [2018-04-13 00:04:01,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:01,726 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 174 transitions. [2018-04-13 00:04:01,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 00:04:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2018-04-13 00:04:01,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2018-04-13 00:04:01,729 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:01,729 INFO L355 BasicCegarLoop]: trace histogram [64, 56, 56, 56, 56, 56, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:01,729 INFO L408 AbstractCegarLoop]: === Iteration 20 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:01,730 INFO L82 PathProgramCache]: Analyzing trace with hash 319186589, now seen corresponding path program 14 times [2018-04-13 00:04:01,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:01,774 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 10488 backedges. 30 proven. 2429 refuted. 0 times theorem prover too weak. 8029 trivial. 0 not checked. [2018-04-13 00:04:02,295 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:02,295 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 00:04:02,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:02,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2018-04-13 00:04:02,296 INFO L182 omatonBuilderFactory]: Interpolants [3824#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3825#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3826#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3827#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 3817#true, 3818#false, 3819#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 3820#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3821#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3822#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3823#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:04:02,297 INFO L134 CoverageAnalysis]: Checked inductivity of 10488 backedges. 30 proven. 2429 refuted. 0 times theorem prover too weak. 8029 trivial. 0 not checked. [2018-04-13 00:04:02,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 00:04:02,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 00:04:02,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-04-13 00:04:02,298 INFO L87 Difference]: Start difference. First operand 157 states and 174 transitions. Second operand 11 states. [2018-04-13 00:04:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:02,457 INFO L93 Difference]: Finished difference Result 170 states and 187 transitions. [2018-04-13 00:04:02,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 00:04:02,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 451 [2018-04-13 00:04:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:02,458 INFO L225 Difference]: With dead ends: 170 [2018-04-13 00:04:02,459 INFO L226 Difference]: Without dead ends: 167 [2018-04-13 00:04:02,459 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:04:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-13 00:04:02,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2018-04-13 00:04:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-13 00:04:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2018-04-13 00:04:02,465 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 451 [2018-04-13 00:04:02,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:02,465 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2018-04-13 00:04:02,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 00:04:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2018-04-13 00:04:02,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-04-13 00:04:02,468 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:02,468 INFO L355 BasicCegarLoop]: trace histogram [72, 64, 64, 64, 64, 64, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:02,469 INFO L408 AbstractCegarLoop]: === Iteration 21 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:02,469 INFO L82 PathProgramCache]: Analyzing trace with hash -702635043, now seen corresponding path program 15 times [2018-04-13 00:04:02,470 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:02,535 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:02,949 INFO L134 CoverageAnalysis]: Checked inductivity of 13472 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 13288 trivial. 0 not checked. [2018-04-13 00:04:02,950 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:02,950 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 00:04:02,950 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2018-04-13 00:04:02,951 INFO L182 omatonBuilderFactory]: Interpolants [4163#true, 4164#false, 4165#(= main_~i~1 0), 4166#(<= main_~i~1 1), 4167#(<= main_~i~1 2), 4168#(<= main_~i~1 3), 4169#(<= main_~i~1 4), 4170#(<= main_~i~1 5), 4171#(<= main_~i~1 6), 4172#(<= main_~i~1 7), 4173#(<= main_~i~1 8)] [2018-04-13 00:04:02,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13472 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 13288 trivial. 0 not checked. [2018-04-13 00:04:02,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 00:04:02,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 00:04:02,953 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-04-13 00:04:02,953 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 11 states. [2018-04-13 00:04:03,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:03,067 INFO L93 Difference]: Finished difference Result 226 states and 238 transitions. [2018-04-13 00:04:03,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 00:04:03,067 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 499 [2018-04-13 00:04:03,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:03,069 INFO L225 Difference]: With dead ends: 226 [2018-04-13 00:04:03,069 INFO L226 Difference]: Without dead ends: 226 [2018-04-13 00:04:03,070 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-04-13 00:04:03,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-04-13 00:04:03,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 174. [2018-04-13 00:04:03,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-13 00:04:03,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2018-04-13 00:04:03,075 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 499 [2018-04-13 00:04:03,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:03,076 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2018-04-13 00:04:03,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 00:04:03,077 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2018-04-13 00:04:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-04-13 00:04:03,080 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:03,080 INFO L355 BasicCegarLoop]: trace histogram [81, 72, 72, 72, 72, 72, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:03,081 INFO L408 AbstractCegarLoop]: === Iteration 22 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:03,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1002440158, now seen corresponding path program 16 times [2018-04-13 00:04:03,082 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:03,127 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 17082 backedges. 34 proven. 3552 refuted. 0 times theorem prover too weak. 13496 trivial. 0 not checked. [2018-04-13 00:04:03,604 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:03,604 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 00:04:03,604 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1944 backedges. 0 proven. 424 refuted. 0 times theorem prover too weak. 1520 trivial. 0 not checked. [2018-04-13 00:04:03,605 INFO L182 omatonBuilderFactory]: Interpolants [4576#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 4577#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4578#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4579#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4580#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4581#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4582#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4583#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 4584#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 4585#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 4574#true, 4575#false] [2018-04-13 00:04:03,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17082 backedges. 34 proven. 3552 refuted. 0 times theorem prover too weak. 13496 trivial. 0 not checked. [2018-04-13 00:04:03,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 00:04:03,606 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 00:04:03,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:04:03,607 INFO L87 Difference]: Start difference. First operand 174 states and 193 transitions. Second operand 12 states. [2018-04-13 00:04:03,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:03,694 INFO L93 Difference]: Finished difference Result 187 states and 206 transitions. [2018-04-13 00:04:03,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 00:04:03,695 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 559 [2018-04-13 00:04:03,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:03,696 INFO L225 Difference]: With dead ends: 187 [2018-04-13 00:04:03,696 INFO L226 Difference]: Without dead ends: 184 [2018-04-13 00:04:03,697 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-04-13 00:04:03,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-13 00:04:03,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2018-04-13 00:04:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-13 00:04:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 199 transitions. [2018-04-13 00:04:03,701 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 199 transitions. Word has length 559 [2018-04-13 00:04:03,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:03,701 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 199 transitions. [2018-04-13 00:04:03,701 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 00:04:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 199 transitions. [2018-04-13 00:04:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2018-04-13 00:04:03,704 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:03,704 INFO L355 BasicCegarLoop]: trace histogram [90, 81, 81, 81, 81, 81, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:03,704 INFO L408 AbstractCegarLoop]: === Iteration 23 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:03,704 INFO L82 PathProgramCache]: Analyzing trace with hash -978150298, now seen corresponding path program 17 times [2018-04-13 00:04:03,705 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:03,740 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:04,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21348 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2018-04-13 00:04:04,128 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:04,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 00:04:04,128 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:04,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2160 trivial. 0 not checked. [2018-04-13 00:04:04,129 INFO L182 omatonBuilderFactory]: Interpolants [4960#(<= main_~i~1 3), 4961#(<= main_~i~1 4), 4962#(<= main_~i~1 5), 4963#(<= main_~i~1 6), 4964#(<= main_~i~1 7), 4965#(<= main_~i~1 8), 4966#(<= main_~i~1 9), 4955#true, 4956#false, 4957#(= main_~i~1 0), 4958#(<= main_~i~1 1), 4959#(<= main_~i~1 2)] [2018-04-13 00:04:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 21348 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 21114 trivial. 0 not checked. [2018-04-13 00:04:04,130 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 00:04:04,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 00:04:04,130 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:04:04,131 INFO L87 Difference]: Start difference. First operand 180 states and 199 transitions. Second operand 12 states. [2018-04-13 00:04:04,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:04,268 INFO L93 Difference]: Finished difference Result 248 states and 261 transitions. [2018-04-13 00:04:04,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 00:04:04,268 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 613 [2018-04-13 00:04:04,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:04,271 INFO L225 Difference]: With dead ends: 248 [2018-04-13 00:04:04,271 INFO L226 Difference]: Without dead ends: 248 [2018-04-13 00:04:04,271 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:04:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-04-13 00:04:04,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 191. [2018-04-13 00:04:04,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-13 00:04:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 212 transitions. [2018-04-13 00:04:04,277 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 212 transitions. Word has length 613 [2018-04-13 00:04:04,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:04,278 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 212 transitions. [2018-04-13 00:04:04,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 00:04:04,278 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 212 transitions. [2018-04-13 00:04:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-04-13 00:04:04,283 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:04,283 INFO L355 BasicCegarLoop]: trace histogram [100, 90, 90, 90, 90, 90, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:04,283 INFO L408 AbstractCegarLoop]: === Iteration 24 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:04,283 INFO L82 PathProgramCache]: Analyzing trace with hash 711631215, now seen corresponding path program 18 times [2018-04-13 00:04:04,284 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:04,339 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:04,806 INFO L134 CoverageAnalysis]: Checked inductivity of 26390 backedges. 38 proven. 4977 refuted. 0 times theorem prover too weak. 21375 trivial. 0 not checked. [2018-04-13 00:04:04,806 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:04,806 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 00:04:04,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 531 refuted. 0 times theorem prover too weak. 2169 trivial. 0 not checked. [2018-04-13 00:04:04,807 INFO L182 omatonBuilderFactory]: Interpolants [5408#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 5409#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5410#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5411#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5412#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5413#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5414#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5415#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5416#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 5417#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5418#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 5406#true, 5407#false] [2018-04-13 00:04:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 26390 backedges. 38 proven. 4977 refuted. 0 times theorem prover too weak. 21375 trivial. 0 not checked. [2018-04-13 00:04:04,808 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 00:04:04,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 00:04:04,808 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-04-13 00:04:04,808 INFO L87 Difference]: Start difference. First operand 191 states and 212 transitions. Second operand 13 states. [2018-04-13 00:04:04,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:04,922 INFO L93 Difference]: Finished difference Result 204 states and 225 transitions. [2018-04-13 00:04:04,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 00:04:04,922 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 679 [2018-04-13 00:04:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:04,924 INFO L225 Difference]: With dead ends: 204 [2018-04-13 00:04:04,924 INFO L226 Difference]: Without dead ends: 201 [2018-04-13 00:04:04,925 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:04:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-04-13 00:04:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2018-04-13 00:04:04,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-13 00:04:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 218 transitions. [2018-04-13 00:04:04,930 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 218 transitions. Word has length 679 [2018-04-13 00:04:04,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:04,930 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 218 transitions. [2018-04-13 00:04:04,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 00:04:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 218 transitions. [2018-04-13 00:04:04,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2018-04-13 00:04:04,946 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:04,947 INFO L355 BasicCegarLoop]: trace histogram [110, 100, 100, 100, 100, 100, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:04,947 INFO L408 AbstractCegarLoop]: === Iteration 25 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:04,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1834618241, now seen corresponding path program 19 times [2018-04-13 00:04:04,948 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:05,049 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 32260 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 31970 trivial. 0 not checked. [2018-04-13 00:04:05,522 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:05,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 00:04:05,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2018-04-13 00:04:05,523 INFO L182 omatonBuilderFactory]: Interpolants [5824#(= main_~i~1 0), 5825#(<= main_~i~1 1), 5826#(<= main_~i~1 2), 5827#(<= main_~i~1 3), 5828#(<= main_~i~1 4), 5829#(<= main_~i~1 5), 5830#(<= main_~i~1 6), 5831#(<= main_~i~1 7), 5832#(<= main_~i~1 8), 5833#(<= main_~i~1 9), 5834#(<= main_~i~1 10), 5822#true, 5823#false] [2018-04-13 00:04:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 32260 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 31970 trivial. 0 not checked. [2018-04-13 00:04:05,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 00:04:05,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 00:04:05,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-04-13 00:04:05,524 INFO L87 Difference]: Start difference. First operand 197 states and 218 transitions. Second operand 13 states. [2018-04-13 00:04:05,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:05,675 INFO L93 Difference]: Finished difference Result 270 states and 284 transitions. [2018-04-13 00:04:05,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 00:04:05,676 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 739 [2018-04-13 00:04:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:05,678 INFO L225 Difference]: With dead ends: 270 [2018-04-13 00:04:05,678 INFO L226 Difference]: Without dead ends: 270 [2018-04-13 00:04:05,679 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-04-13 00:04:05,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-04-13 00:04:05,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 208. [2018-04-13 00:04:05,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-13 00:04:05,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 231 transitions. [2018-04-13 00:04:05,685 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 231 transitions. Word has length 739 [2018-04-13 00:04:05,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:05,686 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 231 transitions. [2018-04-13 00:04:05,686 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 00:04:05,686 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 231 transitions. [2018-04-13 00:04:05,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2018-04-13 00:04:05,692 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:05,692 INFO L355 BasicCegarLoop]: trace histogram [121, 110, 110, 110, 110, 110, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:05,692 INFO L408 AbstractCegarLoop]: === Iteration 26 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:05,693 INFO L82 PathProgramCache]: Analyzing trace with hash -2041430256, now seen corresponding path program 20 times [2018-04-13 00:04:05,693 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:05,759 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 39072 backedges. 42 proven. 6740 refuted. 0 times theorem prover too weak. 32290 trivial. 0 not checked. [2018-04-13 00:04:06,434 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:06,434 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 00:04:06,434 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:06,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 2980 trivial. 0 not checked. [2018-04-13 00:04:06,435 INFO L182 omatonBuilderFactory]: Interpolants [6313#true, 6314#false, 6315#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 6316#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6317#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6318#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6319#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6320#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6321#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6322#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6323#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 6324#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6325#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6326#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 39072 backedges. 42 proven. 6740 refuted. 0 times theorem prover too weak. 32290 trivial. 0 not checked. [2018-04-13 00:04:06,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 00:04:06,436 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 00:04:06,436 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:04:06,436 INFO L87 Difference]: Start difference. First operand 208 states and 231 transitions. Second operand 14 states. [2018-04-13 00:04:06,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:06,531 INFO L93 Difference]: Finished difference Result 221 states and 244 transitions. [2018-04-13 00:04:06,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 00:04:06,533 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 811 [2018-04-13 00:04:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:06,534 INFO L225 Difference]: With dead ends: 221 [2018-04-13 00:04:06,534 INFO L226 Difference]: Without dead ends: 218 [2018-04-13 00:04:06,534 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-04-13 00:04:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-13 00:04:06,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2018-04-13 00:04:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-13 00:04:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 237 transitions. [2018-04-13 00:04:06,539 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 237 transitions. Word has length 811 [2018-04-13 00:04:06,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:06,540 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 237 transitions. [2018-04-13 00:04:06,540 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 00:04:06,540 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 237 transitions. [2018-04-13 00:04:06,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2018-04-13 00:04:06,551 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:06,552 INFO L355 BasicCegarLoop]: trace histogram [132, 121, 121, 121, 121, 121, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:06,552 INFO L408 AbstractCegarLoop]: === Iteration 27 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:06,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1088231448, now seen corresponding path program 21 times [2018-04-13 00:04:06,552 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:06,616 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 46904 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 46552 trivial. 0 not checked. [2018-04-13 00:04:07,071 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:07,071 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 00:04:07,072 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:07,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3960 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2018-04-13 00:04:07,072 INFO L182 omatonBuilderFactory]: Interpolants [6764#true, 6765#false, 6766#(= main_~i~1 0), 6767#(<= main_~i~1 1), 6768#(<= main_~i~1 2), 6769#(<= main_~i~1 3), 6770#(<= main_~i~1 4), 6771#(<= main_~i~1 5), 6772#(<= main_~i~1 6), 6773#(<= main_~i~1 7), 6774#(<= main_~i~1 8), 6775#(<= main_~i~1 9), 6776#(<= main_~i~1 10), 6777#(<= main_~i~1 11)] [2018-04-13 00:04:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 46904 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 46552 trivial. 0 not checked. [2018-04-13 00:04:07,073 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 00:04:07,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 00:04:07,074 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:04:07,074 INFO L87 Difference]: Start difference. First operand 214 states and 237 transitions. Second operand 14 states. [2018-04-13 00:04:07,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:07,246 INFO L93 Difference]: Finished difference Result 292 states and 307 transitions. [2018-04-13 00:04:07,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 00:04:07,246 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 877 [2018-04-13 00:04:07,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:07,247 INFO L225 Difference]: With dead ends: 292 [2018-04-13 00:04:07,247 INFO L226 Difference]: Without dead ends: 292 [2018-04-13 00:04:07,248 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:04:07,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-04-13 00:04:07,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 225. [2018-04-13 00:04:07,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-04-13 00:04:07,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 250 transitions. [2018-04-13 00:04:07,251 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 250 transitions. Word has length 877 [2018-04-13 00:04:07,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:07,251 INFO L459 AbstractCegarLoop]: Abstraction has 225 states and 250 transitions. [2018-04-13 00:04:07,251 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 00:04:07,251 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 250 transitions. [2018-04-13 00:04:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2018-04-13 00:04:07,256 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:07,256 INFO L355 BasicCegarLoop]: trace histogram [144, 132, 132, 132, 132, 132, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:07,256 INFO L408 AbstractCegarLoop]: === Iteration 28 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:07,256 INFO L82 PathProgramCache]: Analyzing trace with hash -500335487, now seen corresponding path program 22 times [2018-04-13 00:04:07,257 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:07,295 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:08,233 INFO L134 CoverageAnalysis]: Checked inductivity of 55860 backedges. 46 proven. 8877 refuted. 0 times theorem prover too weak. 46937 trivial. 0 not checked. [2018-04-13 00:04:08,234 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:08,234 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 00:04:08,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:08,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4752 backedges. 0 proven. 781 refuted. 0 times theorem prover too weak. 3971 trivial. 0 not checked. [2018-04-13 00:04:08,234 INFO L182 omatonBuilderFactory]: Interpolants [7296#false, 7297#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 7298#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7299#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7300#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7301#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7302#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7303#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7304#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7305#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 7306#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7307#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 7308#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 7309#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 7295#true] [2018-04-13 00:04:08,235 INFO L134 CoverageAnalysis]: Checked inductivity of 55860 backedges. 46 proven. 8877 refuted. 0 times theorem prover too weak. 46937 trivial. 0 not checked. [2018-04-13 00:04:08,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 00:04:08,235 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 00:04:08,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-04-13 00:04:08,235 INFO L87 Difference]: Start difference. First operand 225 states and 250 transitions. Second operand 15 states. [2018-04-13 00:04:08,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:08,297 INFO L93 Difference]: Finished difference Result 238 states and 263 transitions. [2018-04-13 00:04:08,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 00:04:08,298 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 955 [2018-04-13 00:04:08,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:08,298 INFO L225 Difference]: With dead ends: 238 [2018-04-13 00:04:08,298 INFO L226 Difference]: Without dead ends: 235 [2018-04-13 00:04:08,299 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-04-13 00:04:08,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-04-13 00:04:08,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 231. [2018-04-13 00:04:08,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-04-13 00:04:08,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 256 transitions. [2018-04-13 00:04:08,301 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 256 transitions. Word has length 955 [2018-04-13 00:04:08,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:08,302 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 256 transitions. [2018-04-13 00:04:08,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 00:04:08,302 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 256 transitions. [2018-04-13 00:04:08,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2018-04-13 00:04:08,306 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:08,307 INFO L355 BasicCegarLoop]: trace histogram [156, 144, 144, 144, 144, 144, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:08,307 INFO L408 AbstractCegarLoop]: === Iteration 29 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:08,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1879255455, now seen corresponding path program 23 times [2018-04-13 00:04:08,307 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:08,346 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 66048 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 65628 trivial. 0 not checked. [2018-04-13 00:04:08,808 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:08,808 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 00:04:08,808 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 5148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5148 trivial. 0 not checked. [2018-04-13 00:04:08,808 INFO L182 omatonBuilderFactory]: Interpolants [7781#true, 7782#false, 7783#(= main_~i~1 0), 7784#(<= main_~i~1 1), 7785#(<= main_~i~1 2), 7786#(<= main_~i~1 3), 7787#(<= main_~i~1 4), 7788#(<= main_~i~1 5), 7789#(<= main_~i~1 6), 7790#(<= main_~i~1 7), 7791#(<= main_~i~1 8), 7792#(<= main_~i~1 9), 7793#(<= main_~i~1 10), 7794#(<= main_~i~1 11), 7795#(<= main_~i~1 12)] [2018-04-13 00:04:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 66048 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 65628 trivial. 0 not checked. [2018-04-13 00:04:08,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 00:04:08,810 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 00:04:08,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-04-13 00:04:08,810 INFO L87 Difference]: Start difference. First operand 231 states and 256 transitions. Second operand 15 states. [2018-04-13 00:04:08,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:08,944 INFO L93 Difference]: Finished difference Result 314 states and 330 transitions. [2018-04-13 00:04:08,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 00:04:08,944 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1027 [2018-04-13 00:04:08,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:08,946 INFO L225 Difference]: With dead ends: 314 [2018-04-13 00:04:08,947 INFO L226 Difference]: Without dead ends: 314 [2018-04-13 00:04:08,947 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-04-13 00:04:08,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-04-13 00:04:08,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 242. [2018-04-13 00:04:08,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-04-13 00:04:08,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 269 transitions. [2018-04-13 00:04:08,954 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 269 transitions. Word has length 1027 [2018-04-13 00:04:08,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:08,954 INFO L459 AbstractCegarLoop]: Abstraction has 242 states and 269 transitions. [2018-04-13 00:04:08,954 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 00:04:08,955 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 269 transitions. [2018-04-13 00:04:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-04-13 00:04:08,964 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:08,965 INFO L355 BasicCegarLoop]: trace histogram [169, 156, 156, 156, 156, 156, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:08,965 INFO L408 AbstractCegarLoop]: === Iteration 30 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:08,965 INFO L82 PathProgramCache]: Analyzing trace with hash 1856294786, now seen corresponding path program 24 times [2018-04-13 00:04:08,966 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:09,021 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 77558 backedges. 50 proven. 11424 refuted. 0 times theorem prover too weak. 66084 trivial. 0 not checked. [2018-04-13 00:04:09,957 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:09,957 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 00:04:09,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6084 backedges. 0 proven. 924 refuted. 0 times theorem prover too weak. 5160 trivial. 0 not checked. [2018-04-13 00:04:09,958 INFO L182 omatonBuilderFactory]: Interpolants [8352#true, 8353#false, 8354#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 8355#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8356#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8357#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8358#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8359#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8360#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8361#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8362#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 8363#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8364#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8365#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 8366#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8367#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:09,959 INFO L134 CoverageAnalysis]: Checked inductivity of 77558 backedges. 50 proven. 11424 refuted. 0 times theorem prover too weak. 66084 trivial. 0 not checked. [2018-04-13 00:04:09,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 00:04:09,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 00:04:09,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-04-13 00:04:09,959 INFO L87 Difference]: Start difference. First operand 242 states and 269 transitions. Second operand 16 states. [2018-04-13 00:04:10,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:10,031 INFO L93 Difference]: Finished difference Result 255 states and 282 transitions. [2018-04-13 00:04:10,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 00:04:10,032 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1111 [2018-04-13 00:04:10,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:10,033 INFO L225 Difference]: With dead ends: 255 [2018-04-13 00:04:10,033 INFO L226 Difference]: Without dead ends: 252 [2018-04-13 00:04:10,034 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:04:10,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-04-13 00:04:10,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 248. [2018-04-13 00:04:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-13 00:04:10,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 275 transitions. [2018-04-13 00:04:10,040 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 275 transitions. Word has length 1111 [2018-04-13 00:04:10,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:10,041 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 275 transitions. [2018-04-13 00:04:10,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 00:04:10,041 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 275 transitions. [2018-04-13 00:04:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1190 [2018-04-13 00:04:10,054 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:10,055 INFO L355 BasicCegarLoop]: trace histogram [182, 169, 169, 169, 169, 169, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:10,055 INFO L408 AbstractCegarLoop]: === Iteration 31 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:10,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1396010922, now seen corresponding path program 25 times [2018-04-13 00:04:10,056 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:10,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:10,141 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 90532 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 90038 trivial. 0 not checked. [2018-04-13 00:04:10,934 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:10,935 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 00:04:10,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 6552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6552 trivial. 0 not checked. [2018-04-13 00:04:10,935 INFO L182 omatonBuilderFactory]: Interpolants [8873#true, 8874#false, 8875#(= main_~i~1 0), 8876#(<= main_~i~1 1), 8877#(<= main_~i~1 2), 8878#(<= main_~i~1 3), 8879#(<= main_~i~1 4), 8880#(<= main_~i~1 5), 8881#(<= main_~i~1 6), 8882#(<= main_~i~1 7), 8883#(<= main_~i~1 8), 8884#(<= main_~i~1 9), 8885#(<= main_~i~1 10), 8886#(<= main_~i~1 11), 8887#(<= main_~i~1 12), 8888#(<= main_~i~1 13)] [2018-04-13 00:04:10,937 INFO L134 CoverageAnalysis]: Checked inductivity of 90532 backedges. 0 proven. 494 refuted. 0 times theorem prover too weak. 90038 trivial. 0 not checked. [2018-04-13 00:04:10,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 00:04:10,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 00:04:10,938 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-04-13 00:04:10,938 INFO L87 Difference]: Start difference. First operand 248 states and 275 transitions. Second operand 16 states. [2018-04-13 00:04:11,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:11,057 INFO L93 Difference]: Finished difference Result 336 states and 353 transitions. [2018-04-13 00:04:11,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 00:04:11,057 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1189 [2018-04-13 00:04:11,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:11,059 INFO L225 Difference]: With dead ends: 336 [2018-04-13 00:04:11,060 INFO L226 Difference]: Without dead ends: 336 [2018-04-13 00:04:11,060 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-04-13 00:04:11,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-04-13 00:04:11,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 259. [2018-04-13 00:04:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-04-13 00:04:11,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 288 transitions. [2018-04-13 00:04:11,066 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 288 transitions. Word has length 1189 [2018-04-13 00:04:11,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:11,066 INFO L459 AbstractCegarLoop]: Abstraction has 259 states and 288 transitions. [2018-04-13 00:04:11,067 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 00:04:11,067 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 288 transitions. [2018-04-13 00:04:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2018-04-13 00:04:11,078 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:11,079 INFO L355 BasicCegarLoop]: trace histogram [196, 182, 182, 182, 182, 182, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:11,079 INFO L408 AbstractCegarLoop]: === Iteration 32 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:11,079 INFO L82 PathProgramCache]: Analyzing trace with hash -601504301, now seen corresponding path program 26 times [2018-04-13 00:04:11,080 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:11,166 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:12,584 INFO L134 CoverageAnalysis]: Checked inductivity of 105042 backedges. 54 proven. 14417 refuted. 0 times theorem prover too weak. 90571 trivial. 0 not checked. [2018-04-13 00:04:12,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:12,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 00:04:12,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:12,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7644 backedges. 0 proven. 1079 refuted. 0 times theorem prover too weak. 6565 trivial. 0 not checked. [2018-04-13 00:04:12,585 INFO L182 omatonBuilderFactory]: Interpolants [9484#true, 9485#false, 9486#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 9487#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9488#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9489#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9490#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9491#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9492#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9493#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9494#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 9495#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9496#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9497#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 9498#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 9499#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 9500#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 105042 backedges. 54 proven. 14417 refuted. 0 times theorem prover too weak. 90571 trivial. 0 not checked. [2018-04-13 00:04:12,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 00:04:12,587 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 00:04:12,587 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:04:12,587 INFO L87 Difference]: Start difference. First operand 259 states and 288 transitions. Second operand 17 states. [2018-04-13 00:04:12,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:12,658 INFO L93 Difference]: Finished difference Result 272 states and 301 transitions. [2018-04-13 00:04:12,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 00:04:12,658 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1279 [2018-04-13 00:04:12,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:12,659 INFO L225 Difference]: With dead ends: 272 [2018-04-13 00:04:12,659 INFO L226 Difference]: Without dead ends: 269 [2018-04-13 00:04:12,659 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:04:12,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-13 00:04:12,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 265. [2018-04-13 00:04:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-04-13 00:04:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 294 transitions. [2018-04-13 00:04:12,663 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 294 transitions. Word has length 1279 [2018-04-13 00:04:12,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:12,663 INFO L459 AbstractCegarLoop]: Abstraction has 265 states and 294 transitions. [2018-04-13 00:04:12,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 00:04:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 294 transitions. [2018-04-13 00:04:12,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1364 [2018-04-13 00:04:12,671 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:12,672 INFO L355 BasicCegarLoop]: trace histogram [210, 196, 196, 196, 196, 196, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:12,672 INFO L408 AbstractCegarLoop]: === Iteration 33 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:12,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1767243139, now seen corresponding path program 27 times [2018-04-13 00:04:12,673 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:12,751 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 121268 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 120694 trivial. 0 not checked. [2018-04-13 00:04:13,392 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:13,393 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 00:04:13,393 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8190 trivial. 0 not checked. [2018-04-13 00:04:13,394 INFO L182 omatonBuilderFactory]: Interpolants [10048#(<= main_~i~1 6), 10049#(<= main_~i~1 7), 10050#(<= main_~i~1 8), 10051#(<= main_~i~1 9), 10052#(<= main_~i~1 10), 10053#(<= main_~i~1 11), 10054#(<= main_~i~1 12), 10055#(<= main_~i~1 13), 10056#(<= main_~i~1 14), 10040#true, 10041#false, 10042#(= main_~i~1 0), 10043#(<= main_~i~1 1), 10044#(<= main_~i~1 2), 10045#(<= main_~i~1 3), 10046#(<= main_~i~1 4), 10047#(<= main_~i~1 5)] [2018-04-13 00:04:13,395 INFO L134 CoverageAnalysis]: Checked inductivity of 121268 backedges. 0 proven. 574 refuted. 0 times theorem prover too weak. 120694 trivial. 0 not checked. [2018-04-13 00:04:13,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 00:04:13,396 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 00:04:13,396 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:04:13,396 INFO L87 Difference]: Start difference. First operand 265 states and 294 transitions. Second operand 17 states. [2018-04-13 00:04:13,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:13,505 INFO L93 Difference]: Finished difference Result 358 states and 376 transitions. [2018-04-13 00:04:13,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 00:04:13,505 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1363 [2018-04-13 00:04:13,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:13,507 INFO L225 Difference]: With dead ends: 358 [2018-04-13 00:04:13,507 INFO L226 Difference]: Without dead ends: 358 [2018-04-13 00:04:13,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:04:13,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-04-13 00:04:13,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 276. [2018-04-13 00:04:13,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-04-13 00:04:13,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2018-04-13 00:04:13,513 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 1363 [2018-04-13 00:04:13,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:13,514 INFO L459 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2018-04-13 00:04:13,514 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 00:04:13,514 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2018-04-13 00:04:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1460 [2018-04-13 00:04:13,524 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:13,524 INFO L355 BasicCegarLoop]: trace histogram [225, 210, 210, 210, 210, 210, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:13,525 INFO L408 AbstractCegarLoop]: === Iteration 34 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:13,525 INFO L82 PathProgramCache]: Analyzing trace with hash 946488628, now seen corresponding path program 28 times [2018-04-13 00:04:13,525 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:13,589 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:14,820 INFO L134 CoverageAnalysis]: Checked inductivity of 139260 backedges. 58 proven. 17892 refuted. 0 times theorem prover too weak. 121310 trivial. 0 not checked. [2018-04-13 00:04:14,820 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:14,820 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 00:04:14,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:14,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9450 backedges. 0 proven. 1246 refuted. 0 times theorem prover too weak. 8204 trivial. 0 not checked. [2018-04-13 00:04:14,821 INFO L182 omatonBuilderFactory]: Interpolants [10691#true, 10692#false, 10693#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 10694#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10695#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10696#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10697#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10698#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10699#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10700#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10701#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 10702#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10703#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10704#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 10705#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10706#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 10707#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 10708#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 139260 backedges. 58 proven. 17892 refuted. 0 times theorem prover too weak. 121310 trivial. 0 not checked. [2018-04-13 00:04:14,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 00:04:14,823 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 00:04:14,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:04:14,823 INFO L87 Difference]: Start difference. First operand 276 states and 307 transitions. Second operand 18 states. [2018-04-13 00:04:14,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:14,906 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2018-04-13 00:04:14,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 00:04:14,907 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1459 [2018-04-13 00:04:14,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:14,908 INFO L225 Difference]: With dead ends: 289 [2018-04-13 00:04:14,908 INFO L226 Difference]: Without dead ends: 286 [2018-04-13 00:04:14,909 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:04:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-04-13 00:04:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2018-04-13 00:04:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-04-13 00:04:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 313 transitions. [2018-04-13 00:04:14,914 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 313 transitions. Word has length 1459 [2018-04-13 00:04:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:14,914 INFO L459 AbstractCegarLoop]: Abstraction has 282 states and 313 transitions. [2018-04-13 00:04:14,914 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 00:04:14,914 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 313 transitions. [2018-04-13 00:04:14,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1550 [2018-04-13 00:04:14,924 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:14,925 INFO L355 BasicCegarLoop]: trace histogram [240, 225, 225, 225, 225, 225, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:14,925 INFO L408 AbstractCegarLoop]: === Iteration 35 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:14,925 INFO L82 PathProgramCache]: Analyzing trace with hash -754671188, now seen corresponding path program 29 times [2018-04-13 00:04:14,926 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:15,076 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 159240 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 158580 trivial. 0 not checked. [2018-04-13 00:04:15,920 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:15,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 00:04:15,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 10080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10080 trivial. 0 not checked. [2018-04-13 00:04:15,921 INFO L182 omatonBuilderFactory]: Interpolants [11296#(<= main_~i~1 12), 11297#(<= main_~i~1 13), 11298#(<= main_~i~1 14), 11299#(<= main_~i~1 15), 11282#true, 11283#false, 11284#(= main_~i~1 0), 11285#(<= main_~i~1 1), 11286#(<= main_~i~1 2), 11287#(<= main_~i~1 3), 11288#(<= main_~i~1 4), 11289#(<= main_~i~1 5), 11290#(<= main_~i~1 6), 11291#(<= main_~i~1 7), 11292#(<= main_~i~1 8), 11293#(<= main_~i~1 9), 11294#(<= main_~i~1 10), 11295#(<= main_~i~1 11)] [2018-04-13 00:04:15,923 INFO L134 CoverageAnalysis]: Checked inductivity of 159240 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 158580 trivial. 0 not checked. [2018-04-13 00:04:15,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 00:04:15,923 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 00:04:15,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:04:15,923 INFO L87 Difference]: Start difference. First operand 282 states and 313 transitions. Second operand 18 states. [2018-04-13 00:04:16,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:16,034 INFO L93 Difference]: Finished difference Result 380 states and 399 transitions. [2018-04-13 00:04:16,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 00:04:16,034 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1549 [2018-04-13 00:04:16,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:16,036 INFO L225 Difference]: With dead ends: 380 [2018-04-13 00:04:16,036 INFO L226 Difference]: Without dead ends: 380 [2018-04-13 00:04:16,036 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:04:16,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-04-13 00:04:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 293. [2018-04-13 00:04:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-04-13 00:04:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 326 transitions. [2018-04-13 00:04:16,042 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 326 transitions. Word has length 1549 [2018-04-13 00:04:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:16,042 INFO L459 AbstractCegarLoop]: Abstraction has 293 states and 326 transitions. [2018-04-13 00:04:16,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 00:04:16,043 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 326 transitions. [2018-04-13 00:04:16,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2018-04-13 00:04:16,054 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:16,055 INFO L355 BasicCegarLoop]: trace histogram [256, 240, 240, 240, 240, 240, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:16,055 INFO L408 AbstractCegarLoop]: === Iteration 36 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:16,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1444662117, now seen corresponding path program 30 times [2018-04-13 00:04:16,056 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:16,128 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 181232 backedges. 62 proven. 21885 refuted. 0 times theorem prover too weak. 159285 trivial. 0 not checked. [2018-04-13 00:04:17,446 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:17,446 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 00:04:17,446 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11520 backedges. 0 proven. 1425 refuted. 0 times theorem prover too weak. 10095 trivial. 0 not checked. [2018-04-13 00:04:17,447 INFO L182 omatonBuilderFactory]: Interpolants [11973#true, 11974#false, 11975#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 11976#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11977#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11978#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11979#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11980#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11981#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11982#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11983#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 11984#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11985#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11986#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 11987#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11988#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 11989#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11990#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11991#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:17,449 INFO L134 CoverageAnalysis]: Checked inductivity of 181232 backedges. 62 proven. 21885 refuted. 0 times theorem prover too weak. 159285 trivial. 0 not checked. [2018-04-13 00:04:17,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 00:04:17,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 00:04:17,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:04:17,449 INFO L87 Difference]: Start difference. First operand 293 states and 326 transitions. Second operand 19 states. [2018-04-13 00:04:17,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:17,526 INFO L93 Difference]: Finished difference Result 306 states and 339 transitions. [2018-04-13 00:04:17,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 00:04:17,527 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1651 [2018-04-13 00:04:17,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:17,528 INFO L225 Difference]: With dead ends: 306 [2018-04-13 00:04:17,528 INFO L226 Difference]: Without dead ends: 303 [2018-04-13 00:04:17,528 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:04:17,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-04-13 00:04:17,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2018-04-13 00:04:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-13 00:04:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2018-04-13 00:04:17,534 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 1651 [2018-04-13 00:04:17,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:17,534 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2018-04-13 00:04:17,534 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 00:04:17,535 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2018-04-13 00:04:17,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1748 [2018-04-13 00:04:17,552 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:17,553 INFO L355 BasicCegarLoop]: trace histogram [272, 256, 256, 256, 256, 256, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:17,553 INFO L408 AbstractCegarLoop]: === Iteration 37 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:17,553 INFO L82 PathProgramCache]: Analyzing trace with hash 104699365, now seen corresponding path program 31 times [2018-04-13 00:04:17,554 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:17,624 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 205504 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 204752 trivial. 0 not checked. [2018-04-13 00:04:18,485 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:18,485 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 00:04:18,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12240 trivial. 0 not checked. [2018-04-13 00:04:18,486 INFO L182 omatonBuilderFactory]: Interpolants [12608#(<= main_~i~1 7), 12609#(<= main_~i~1 8), 12610#(<= main_~i~1 9), 12611#(<= main_~i~1 10), 12612#(<= main_~i~1 11), 12613#(<= main_~i~1 12), 12614#(<= main_~i~1 13), 12615#(<= main_~i~1 14), 12616#(<= main_~i~1 15), 12617#(<= main_~i~1 16), 12599#true, 12600#false, 12601#(= main_~i~1 0), 12602#(<= main_~i~1 1), 12603#(<= main_~i~1 2), 12604#(<= main_~i~1 3), 12605#(<= main_~i~1 4), 12606#(<= main_~i~1 5), 12607#(<= main_~i~1 6)] [2018-04-13 00:04:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 205504 backedges. 0 proven. 752 refuted. 0 times theorem prover too weak. 204752 trivial. 0 not checked. [2018-04-13 00:04:18,488 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 00:04:18,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 00:04:18,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:04:18,488 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand 19 states. [2018-04-13 00:04:18,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:18,621 INFO L93 Difference]: Finished difference Result 402 states and 422 transitions. [2018-04-13 00:04:18,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 00:04:18,621 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1747 [2018-04-13 00:04:18,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:18,623 INFO L225 Difference]: With dead ends: 402 [2018-04-13 00:04:18,623 INFO L226 Difference]: Without dead ends: 402 [2018-04-13 00:04:18,623 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:04:18,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-13 00:04:18,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 310. [2018-04-13 00:04:18,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-04-13 00:04:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 345 transitions. [2018-04-13 00:04:18,628 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 345 transitions. Word has length 1747 [2018-04-13 00:04:18,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:18,629 INFO L459 AbstractCegarLoop]: Abstraction has 310 states and 345 transitions. [2018-04-13 00:04:18,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 00:04:18,629 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 345 transitions. [2018-04-13 00:04:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1856 [2018-04-13 00:04:18,651 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:18,651 INFO L355 BasicCegarLoop]: trace histogram [289, 272, 272, 272, 272, 272, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:18,652 INFO L408 AbstractCegarLoop]: === Iteration 38 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:18,652 INFO L82 PathProgramCache]: Analyzing trace with hash -553996762, now seen corresponding path program 32 times [2018-04-13 00:04:18,652 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:18,763 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:20,147 INFO L134 CoverageAnalysis]: Checked inductivity of 232050 backedges. 66 proven. 26432 refuted. 0 times theorem prover too weak. 205552 trivial. 0 not checked. [2018-04-13 00:04:20,147 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:20,147 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 00:04:20,148 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 13872 backedges. 0 proven. 1616 refuted. 0 times theorem prover too weak. 12256 trivial. 0 not checked. [2018-04-13 00:04:20,148 INFO L182 omatonBuilderFactory]: Interpolants [13344#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13345#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 13346#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13347#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13348#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13349#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 13330#true, 13331#false, 13332#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 13333#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13334#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13335#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13336#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13337#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13338#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13339#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13340#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 13341#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13342#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13343#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)))] [2018-04-13 00:04:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 232050 backedges. 66 proven. 26432 refuted. 0 times theorem prover too weak. 205552 trivial. 0 not checked. [2018-04-13 00:04:20,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 00:04:20,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 00:04:20,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:04:20,151 INFO L87 Difference]: Start difference. First operand 310 states and 345 transitions. Second operand 20 states. [2018-04-13 00:04:20,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:20,220 INFO L93 Difference]: Finished difference Result 323 states and 358 transitions. [2018-04-13 00:04:20,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 00:04:20,220 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1855 [2018-04-13 00:04:20,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:20,221 INFO L225 Difference]: With dead ends: 323 [2018-04-13 00:04:20,221 INFO L226 Difference]: Without dead ends: 320 [2018-04-13 00:04:20,222 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:04:20,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-04-13 00:04:20,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-04-13 00:04:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-04-13 00:04:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 351 transitions. [2018-04-13 00:04:20,226 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 351 transitions. Word has length 1855 [2018-04-13 00:04:20,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:20,226 INFO L459 AbstractCegarLoop]: Abstraction has 316 states and 351 transitions. [2018-04-13 00:04:20,226 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 00:04:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 351 transitions. [2018-04-13 00:04:20,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1958 [2018-04-13 00:04:20,242 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:20,243 INFO L355 BasicCegarLoop]: trace histogram [306, 289, 289, 289, 289, 289, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:20,243 INFO L408 AbstractCegarLoop]: === Iteration 39 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:20,243 INFO L82 PathProgramCache]: Analyzing trace with hash 546860014, now seen corresponding path program 33 times [2018-04-13 00:04:20,244 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:20,331 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 261188 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 260338 trivial. 0 not checked. [2018-04-13 00:04:21,473 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:21,473 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 00:04:21,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 14688 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14688 trivial. 0 not checked. [2018-04-13 00:04:21,473 INFO L182 omatonBuilderFactory]: Interpolants [13991#true, 13992#false, 13993#(= main_~i~1 0), 13994#(<= main_~i~1 1), 13995#(<= main_~i~1 2), 13996#(<= main_~i~1 3), 13997#(<= main_~i~1 4), 13998#(<= main_~i~1 5), 13999#(<= main_~i~1 6), 14000#(<= main_~i~1 7), 14001#(<= main_~i~1 8), 14002#(<= main_~i~1 9), 14003#(<= main_~i~1 10), 14004#(<= main_~i~1 11), 14005#(<= main_~i~1 12), 14006#(<= main_~i~1 13), 14007#(<= main_~i~1 14), 14008#(<= main_~i~1 15), 14009#(<= main_~i~1 16), 14010#(<= main_~i~1 17)] [2018-04-13 00:04:21,476 INFO L134 CoverageAnalysis]: Checked inductivity of 261188 backedges. 0 proven. 850 refuted. 0 times theorem prover too weak. 260338 trivial. 0 not checked. [2018-04-13 00:04:21,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 00:04:21,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 00:04:21,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:04:21,476 INFO L87 Difference]: Start difference. First operand 316 states and 351 transitions. Second operand 20 states. [2018-04-13 00:04:21,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:21,622 INFO L93 Difference]: Finished difference Result 424 states and 445 transitions. [2018-04-13 00:04:21,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 00:04:21,622 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1957 [2018-04-13 00:04:21,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:21,624 INFO L225 Difference]: With dead ends: 424 [2018-04-13 00:04:21,624 INFO L226 Difference]: Without dead ends: 424 [2018-04-13 00:04:21,624 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:04:21,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-04-13 00:04:21,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 327. [2018-04-13 00:04:21,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-04-13 00:04:21,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 364 transitions. [2018-04-13 00:04:21,628 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 364 transitions. Word has length 1957 [2018-04-13 00:04:21,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:21,629 INFO L459 AbstractCegarLoop]: Abstraction has 327 states and 364 transitions. [2018-04-13 00:04:21,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 00:04:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 364 transitions. [2018-04-13 00:04:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2072 [2018-04-13 00:04:21,645 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:21,646 INFO L355 BasicCegarLoop]: trace histogram [324, 306, 306, 306, 306, 306, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:21,646 INFO L408 AbstractCegarLoop]: === Iteration 40 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:21,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1829676233, now seen corresponding path program 34 times [2018-04-13 00:04:21,647 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:21,774 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 292878 backedges. 70 proven. 31569 refuted. 0 times theorem prover too weak. 261239 trivial. 0 not checked. [2018-04-13 00:04:23,417 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:23,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 00:04:23,418 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:23,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16524 backedges. 0 proven. 1819 refuted. 0 times theorem prover too weak. 14705 trivial. 0 not checked. [2018-04-13 00:04:23,419 INFO L182 omatonBuilderFactory]: Interpolants [14762#true, 14763#false, 14764#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 14765#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14766#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14767#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14768#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14769#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14770#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14771#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14772#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 14773#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14774#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14775#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 14776#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14777#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 14778#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14779#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14780#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14781#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 14782#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 292878 backedges. 70 proven. 31569 refuted. 0 times theorem prover too weak. 261239 trivial. 0 not checked. [2018-04-13 00:04:23,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-13 00:04:23,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-13 00:04:23,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:04:23,423 INFO L87 Difference]: Start difference. First operand 327 states and 364 transitions. Second operand 21 states. [2018-04-13 00:04:23,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:23,527 INFO L93 Difference]: Finished difference Result 340 states and 377 transitions. [2018-04-13 00:04:23,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 00:04:23,528 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2071 [2018-04-13 00:04:23,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:23,529 INFO L225 Difference]: With dead ends: 340 [2018-04-13 00:04:23,529 INFO L226 Difference]: Without dead ends: 337 [2018-04-13 00:04:23,529 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2018-04-13 00:04:23,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-13 00:04:23,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 333. [2018-04-13 00:04:23,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-04-13 00:04:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 370 transitions. [2018-04-13 00:04:23,534 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 370 transitions. Word has length 2071 [2018-04-13 00:04:23,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:23,534 INFO L459 AbstractCegarLoop]: Abstraction has 333 states and 370 transitions. [2018-04-13 00:04:23,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-13 00:04:23,535 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 370 transitions. [2018-04-13 00:04:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2180 [2018-04-13 00:04:23,554 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:23,555 INFO L355 BasicCegarLoop]: trace histogram [342, 324, 324, 324, 324, 324, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:23,555 INFO L408 AbstractCegarLoop]: === Iteration 41 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:23,555 INFO L82 PathProgramCache]: Analyzing trace with hash 771837319, now seen corresponding path program 35 times [2018-04-13 00:04:23,556 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:23,664 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 327492 backedges. 0 proven. 954 refuted. 0 times theorem prover too weak. 326538 trivial. 0 not checked. [2018-04-13 00:04:24,977 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:24,977 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 00:04:24,977 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 17442 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17442 trivial. 0 not checked. [2018-04-13 00:04:24,978 INFO L182 omatonBuilderFactory]: Interpolants [15458#true, 15459#false, 15460#(= main_~i~1 0), 15461#(<= main_~i~1 1), 15462#(<= main_~i~1 2), 15463#(<= main_~i~1 3), 15464#(<= main_~i~1 4), 15465#(<= main_~i~1 5), 15466#(<= main_~i~1 6), 15467#(<= main_~i~1 7), 15468#(<= main_~i~1 8), 15469#(<= main_~i~1 9), 15470#(<= main_~i~1 10), 15471#(<= main_~i~1 11), 15472#(<= main_~i~1 12), 15473#(<= main_~i~1 13), 15474#(<= main_~i~1 14), 15475#(<= main_~i~1 15), 15476#(<= main_~i~1 16), 15477#(<= main_~i~1 17), 15478#(<= main_~i~1 18)] [2018-04-13 00:04:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 327492 backedges. 0 proven. 954 refuted. 0 times theorem prover too weak. 326538 trivial. 0 not checked. [2018-04-13 00:04:24,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-13 00:04:24,981 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-13 00:04:24,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:04:24,982 INFO L87 Difference]: Start difference. First operand 333 states and 370 transitions. Second operand 21 states. [2018-04-13 00:04:25,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:25,169 INFO L93 Difference]: Finished difference Result 446 states and 468 transitions. [2018-04-13 00:04:25,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 00:04:25,169 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2179 [2018-04-13 00:04:25,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:25,171 INFO L225 Difference]: With dead ends: 446 [2018-04-13 00:04:25,172 INFO L226 Difference]: Without dead ends: 446 [2018-04-13 00:04:25,172 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:04:25,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-04-13 00:04:25,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 344. [2018-04-13 00:04:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-04-13 00:04:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 383 transitions. [2018-04-13 00:04:25,176 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 383 transitions. Word has length 2179 [2018-04-13 00:04:25,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:25,177 INFO L459 AbstractCegarLoop]: Abstraction has 344 states and 383 transitions. [2018-04-13 00:04:25,177 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-13 00:04:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 383 transitions. [2018-04-13 00:04:25,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2300 [2018-04-13 00:04:25,198 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:25,198 INFO L355 BasicCegarLoop]: trace histogram [361, 342, 342, 342, 342, 342, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:25,199 INFO L408 AbstractCegarLoop]: === Iteration 42 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:25,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1752930392, now seen corresponding path program 36 times [2018-04-13 00:04:25,200 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:25,317 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:27,320 INFO L134 CoverageAnalysis]: Checked inductivity of 364952 backedges. 74 proven. 37332 refuted. 0 times theorem prover too weak. 327546 trivial. 0 not checked. [2018-04-13 00:04:27,320 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:27,320 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 00:04:27,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:27,321 INFO L134 CoverageAnalysis]: Checked inductivity of 19494 backedges. 0 proven. 2034 refuted. 0 times theorem prover too weak. 17460 trivial. 0 not checked. [2018-04-13 00:04:27,321 INFO L182 omatonBuilderFactory]: Interpolants [16288#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16289#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 16290#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 16269#true, 16270#false, 16271#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 16272#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16273#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16274#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16275#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16276#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16277#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16278#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16279#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 16280#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16281#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16282#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 16283#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16284#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 16285#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16286#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 16287#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:04:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 364952 backedges. 74 proven. 37332 refuted. 0 times theorem prover too weak. 327546 trivial. 0 not checked. [2018-04-13 00:04:27,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 00:04:27,326 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 00:04:27,326 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2018-04-13 00:04:27,326 INFO L87 Difference]: Start difference. First operand 344 states and 383 transitions. Second operand 22 states. [2018-04-13 00:04:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:27,399 INFO L93 Difference]: Finished difference Result 357 states and 396 transitions. [2018-04-13 00:04:27,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 00:04:27,399 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 2299 [2018-04-13 00:04:27,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:27,400 INFO L225 Difference]: With dead ends: 357 [2018-04-13 00:04:27,400 INFO L226 Difference]: Without dead ends: 354 [2018-04-13 00:04:27,401 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:04:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-13 00:04:27,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 350. [2018-04-13 00:04:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-13 00:04:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 389 transitions. [2018-04-13 00:04:27,404 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 389 transitions. Word has length 2299 [2018-04-13 00:04:27,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:27,404 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 389 transitions. [2018-04-13 00:04:27,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 00:04:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 389 transitions. [2018-04-13 00:04:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2414 [2018-04-13 00:04:27,425 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:27,426 INFO L355 BasicCegarLoop]: trace histogram [380, 361, 361, 361, 361, 361, 20, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:27,426 INFO L408 AbstractCegarLoop]: === Iteration 43 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:27,426 INFO L82 PathProgramCache]: Analyzing trace with hash 760102000, now seen corresponding path program 37 times [2018-04-13 00:04:27,427 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:27,529 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:29,086 INFO L134 CoverageAnalysis]: Checked inductivity of 405688 backedges. 0 proven. 1064 refuted. 0 times theorem prover too weak. 404624 trivial. 0 not checked. [2018-04-13 00:04:29,086 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:29,086 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 00:04:29,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20520 trivial. 0 not checked. [2018-04-13 00:04:29,087 INFO L182 omatonBuilderFactory]: Interpolants [17000#true, 17001#false, 17002#(= main_~i~1 0), 17003#(<= main_~i~1 1), 17004#(<= main_~i~1 2), 17005#(<= main_~i~1 3), 17006#(<= main_~i~1 4), 17007#(<= main_~i~1 5), 17008#(<= main_~i~1 6), 17009#(<= main_~i~1 7), 17010#(<= main_~i~1 8), 17011#(<= main_~i~1 9), 17012#(<= main_~i~1 10), 17013#(<= main_~i~1 11), 17014#(<= main_~i~1 12), 17015#(<= main_~i~1 13), 17016#(<= main_~i~1 14), 17017#(<= main_~i~1 15), 17018#(<= main_~i~1 16), 17019#(<= main_~i~1 17), 17020#(<= main_~i~1 18), 17021#(<= main_~i~1 19)] [2018-04-13 00:04:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 405688 backedges. 0 proven. 1064 refuted. 0 times theorem prover too weak. 404624 trivial. 0 not checked. [2018-04-13 00:04:29,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 00:04:29,091 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 00:04:29,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-04-13 00:04:29,091 INFO L87 Difference]: Start difference. First operand 350 states and 389 transitions. Second operand 22 states. [2018-04-13 00:04:29,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:29,287 INFO L93 Difference]: Finished difference Result 468 states and 491 transitions. [2018-04-13 00:04:29,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 00:04:29,287 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 2413 [2018-04-13 00:04:29,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:29,290 INFO L225 Difference]: With dead ends: 468 [2018-04-13 00:04:29,290 INFO L226 Difference]: Without dead ends: 468 [2018-04-13 00:04:29,290 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-04-13 00:04:29,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-04-13 00:04:29,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 361. [2018-04-13 00:04:29,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-04-13 00:04:29,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 402 transitions. [2018-04-13 00:04:29,294 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 402 transitions. Word has length 2413 [2018-04-13 00:04:29,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:29,295 INFO L459 AbstractCegarLoop]: Abstraction has 361 states and 402 transitions. [2018-04-13 00:04:29,295 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 00:04:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 402 transitions. [2018-04-13 00:04:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2540 [2018-04-13 00:04:29,318 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:29,319 INFO L355 BasicCegarLoop]: trace histogram [400, 380, 380, 380, 380, 380, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:29,319 INFO L408 AbstractCegarLoop]: === Iteration 44 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:29,319 INFO L82 PathProgramCache]: Analyzing trace with hash 1154073417, now seen corresponding path program 38 times [2018-04-13 00:04:29,320 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:29,433 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 449580 backedges. 78 proven. 43757 refuted. 0 times theorem prover too weak. 405745 trivial. 0 not checked. [2018-04-13 00:04:31,719 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:31,719 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 00:04:31,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 22800 backedges. 0 proven. 2261 refuted. 0 times theorem prover too weak. 20539 trivial. 0 not checked. [2018-04-13 00:04:31,720 INFO L182 omatonBuilderFactory]: Interpolants [17856#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17857#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17858#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17859#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17860#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17861#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 17862#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17863#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17864#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 17865#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17866#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 17867#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17868#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17869#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17870#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17871#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 17872#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17873#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 17851#true, 17852#false, 17853#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 17854#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 17855#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:04:31,725 INFO L134 CoverageAnalysis]: Checked inductivity of 449580 backedges. 78 proven. 43757 refuted. 0 times theorem prover too weak. 405745 trivial. 0 not checked. [2018-04-13 00:04:31,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 00:04:31,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 00:04:31,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:04:31,726 INFO L87 Difference]: Start difference. First operand 361 states and 402 transitions. Second operand 23 states. [2018-04-13 00:04:31,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:31,821 INFO L93 Difference]: Finished difference Result 374 states and 415 transitions. [2018-04-13 00:04:31,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 00:04:31,822 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2539 [2018-04-13 00:04:31,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:31,823 INFO L225 Difference]: With dead ends: 374 [2018-04-13 00:04:31,823 INFO L226 Difference]: Without dead ends: 371 [2018-04-13 00:04:31,823 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2018-04-13 00:04:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-13 00:04:31,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-04-13 00:04:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-04-13 00:04:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 408 transitions. [2018-04-13 00:04:31,826 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 408 transitions. Word has length 2539 [2018-04-13 00:04:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:31,826 INFO L459 AbstractCegarLoop]: Abstraction has 367 states and 408 transitions. [2018-04-13 00:04:31,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 00:04:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 408 transitions. [2018-04-13 00:04:31,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2660 [2018-04-13 00:04:31,852 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:31,852 INFO L355 BasicCegarLoop]: trace histogram [420, 400, 400, 400, 400, 400, 21, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:31,852 INFO L408 AbstractCegarLoop]: === Iteration 45 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:31,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1105702295, now seen corresponding path program 39 times [2018-04-13 00:04:31,853 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:31,981 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:33,921 INFO L134 CoverageAnalysis]: Checked inductivity of 497120 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 495940 trivial. 0 not checked. [2018-04-13 00:04:33,921 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:33,921 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 00:04:33,921 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:33,922 INFO L134 CoverageAnalysis]: Checked inductivity of 23940 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23940 trivial. 0 not checked. [2018-04-13 00:04:33,922 INFO L182 omatonBuilderFactory]: Interpolants [18624#(<= main_~i~1 5), 18625#(<= main_~i~1 6), 18626#(<= main_~i~1 7), 18627#(<= main_~i~1 8), 18628#(<= main_~i~1 9), 18629#(<= main_~i~1 10), 18630#(<= main_~i~1 11), 18631#(<= main_~i~1 12), 18632#(<= main_~i~1 13), 18633#(<= main_~i~1 14), 18634#(<= main_~i~1 15), 18635#(<= main_~i~1 16), 18636#(<= main_~i~1 17), 18637#(<= main_~i~1 18), 18638#(<= main_~i~1 19), 18639#(<= main_~i~1 20), 18617#true, 18618#false, 18619#(= main_~i~1 0), 18620#(<= main_~i~1 1), 18621#(<= main_~i~1 2), 18622#(<= main_~i~1 3), 18623#(<= main_~i~1 4)] [2018-04-13 00:04:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 497120 backedges. 0 proven. 1180 refuted. 0 times theorem prover too weak. 495940 trivial. 0 not checked. [2018-04-13 00:04:33,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 00:04:33,926 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 00:04:33,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:04:33,927 INFO L87 Difference]: Start difference. First operand 367 states and 408 transitions. Second operand 23 states. [2018-04-13 00:04:34,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:34,165 INFO L93 Difference]: Finished difference Result 490 states and 514 transitions. [2018-04-13 00:04:34,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 00:04:34,165 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2659 [2018-04-13 00:04:34,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:34,170 INFO L225 Difference]: With dead ends: 490 [2018-04-13 00:04:34,170 INFO L226 Difference]: Without dead ends: 490 [2018-04-13 00:04:34,170 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:04:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-04-13 00:04:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 378. [2018-04-13 00:04:34,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-04-13 00:04:34,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 421 transitions. [2018-04-13 00:04:34,178 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 421 transitions. Word has length 2659 [2018-04-13 00:04:34,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:34,180 INFO L459 AbstractCegarLoop]: Abstraction has 378 states and 421 transitions. [2018-04-13 00:04:34,180 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 00:04:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 421 transitions. [2018-04-13 00:04:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2792 [2018-04-13 00:04:34,231 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:34,232 INFO L355 BasicCegarLoop]: trace histogram [441, 420, 420, 420, 420, 420, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:34,232 INFO L408 AbstractCegarLoop]: === Iteration 46 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:34,233 INFO L82 PathProgramCache]: Analyzing trace with hash -737668662, now seen corresponding path program 40 times [2018-04-13 00:04:34,233 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:34,443 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 548142 backedges. 82 proven. 50880 refuted. 0 times theorem prover too weak. 497180 trivial. 0 not checked. [2018-04-13 00:04:37,265 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:37,266 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 00:04:37,266 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 26460 backedges. 0 proven. 2500 refuted. 0 times theorem prover too weak. 23960 trivial. 0 not checked. [2018-04-13 00:04:37,267 INFO L182 omatonBuilderFactory]: Interpolants [19520#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19521#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 19522#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19523#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 19524#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19525#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19526#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19527#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19528#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 19529#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19530#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19531#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 19508#true, 19509#false, 19510#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 19511#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19512#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19513#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19514#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19515#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19516#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19517#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19518#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 19519#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:04:37,272 INFO L134 CoverageAnalysis]: Checked inductivity of 548142 backedges. 82 proven. 50880 refuted. 0 times theorem prover too weak. 497180 trivial. 0 not checked. [2018-04-13 00:04:37,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 00:04:37,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 00:04:37,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2018-04-13 00:04:37,273 INFO L87 Difference]: Start difference. First operand 378 states and 421 transitions. Second operand 24 states. [2018-04-13 00:04:37,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:37,371 INFO L93 Difference]: Finished difference Result 391 states and 434 transitions. [2018-04-13 00:04:37,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 00:04:37,371 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 2791 [2018-04-13 00:04:37,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:37,372 INFO L225 Difference]: With dead ends: 391 [2018-04-13 00:04:37,372 INFO L226 Difference]: Without dead ends: 388 [2018-04-13 00:04:37,373 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:04:37,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-13 00:04:37,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 384. [2018-04-13 00:04:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-13 00:04:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 427 transitions. [2018-04-13 00:04:37,376 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 427 transitions. Word has length 2791 [2018-04-13 00:04:37,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:37,377 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 427 transitions. [2018-04-13 00:04:37,377 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 00:04:37,377 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 427 transitions. [2018-04-13 00:04:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2918 [2018-04-13 00:04:37,408 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:37,409 INFO L355 BasicCegarLoop]: trace histogram [462, 441, 441, 441, 441, 441, 22, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:37,409 INFO L408 AbstractCegarLoop]: === Iteration 47 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:37,410 INFO L82 PathProgramCache]: Analyzing trace with hash -180289230, now seen corresponding path program 41 times [2018-04-13 00:04:37,410 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:37,570 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 603204 backedges. 0 proven. 1302 refuted. 0 times theorem prover too weak. 601902 trivial. 0 not checked. [2018-04-13 00:04:39,782 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:39,782 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 00:04:39,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:39,783 INFO L134 CoverageAnalysis]: Checked inductivity of 27720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27720 trivial. 0 not checked. [2018-04-13 00:04:39,783 INFO L182 omatonBuilderFactory]: Interpolants [20320#(<= main_~i~1 9), 20321#(<= main_~i~1 10), 20322#(<= main_~i~1 11), 20323#(<= main_~i~1 12), 20324#(<= main_~i~1 13), 20325#(<= main_~i~1 14), 20326#(<= main_~i~1 15), 20327#(<= main_~i~1 16), 20328#(<= main_~i~1 17), 20329#(<= main_~i~1 18), 20330#(<= main_~i~1 19), 20331#(<= main_~i~1 20), 20332#(<= main_~i~1 21), 20309#true, 20310#false, 20311#(= main_~i~1 0), 20312#(<= main_~i~1 1), 20313#(<= main_~i~1 2), 20314#(<= main_~i~1 3), 20315#(<= main_~i~1 4), 20316#(<= main_~i~1 5), 20317#(<= main_~i~1 6), 20318#(<= main_~i~1 7), 20319#(<= main_~i~1 8)] [2018-04-13 00:04:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 603204 backedges. 0 proven. 1302 refuted. 0 times theorem prover too weak. 601902 trivial. 0 not checked. [2018-04-13 00:04:39,788 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 00:04:39,788 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 00:04:39,788 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-04-13 00:04:39,788 INFO L87 Difference]: Start difference. First operand 384 states and 427 transitions. Second operand 24 states. [2018-04-13 00:04:39,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:39,949 INFO L93 Difference]: Finished difference Result 512 states and 537 transitions. [2018-04-13 00:04:39,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 00:04:39,950 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 2917 [2018-04-13 00:04:39,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:39,952 INFO L225 Difference]: With dead ends: 512 [2018-04-13 00:04:39,952 INFO L226 Difference]: Without dead ends: 512 [2018-04-13 00:04:39,952 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-04-13 00:04:39,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-04-13 00:04:39,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 395. [2018-04-13 00:04:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-04-13 00:04:39,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 440 transitions. [2018-04-13 00:04:39,957 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 440 transitions. Word has length 2917 [2018-04-13 00:04:39,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:39,958 INFO L459 AbstractCegarLoop]: Abstraction has 395 states and 440 transitions. [2018-04-13 00:04:39,958 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 00:04:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 440 transitions. [2018-04-13 00:04:39,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3056 [2018-04-13 00:04:39,995 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:39,996 INFO L355 BasicCegarLoop]: trace histogram [484, 462, 462, 462, 462, 462, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:39,996 INFO L408 AbstractCegarLoop]: === Iteration 48 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:39,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1406021221, now seen corresponding path program 42 times [2018-04-13 00:04:39,997 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:40,149 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 662090 backedges. 86 proven. 58737 refuted. 0 times theorem prover too weak. 603267 trivial. 0 not checked. [2018-04-13 00:04:43,383 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:43,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 00:04:43,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:43,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30492 backedges. 0 proven. 2751 refuted. 0 times theorem prover too weak. 27741 trivial. 0 not checked. [2018-04-13 00:04:43,385 INFO L182 omatonBuilderFactory]: Interpolants [21248#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21249#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21250#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 21251#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21252#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21253#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 21254#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21255#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 21256#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21257#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21258#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21259#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21260#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 21261#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21262#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21263#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21264#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 21240#true, 21241#false, 21242#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 21243#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21244#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21245#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21246#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21247#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:04:43,391 INFO L134 CoverageAnalysis]: Checked inductivity of 662090 backedges. 86 proven. 58737 refuted. 0 times theorem prover too weak. 603267 trivial. 0 not checked. [2018-04-13 00:04:43,392 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 00:04:43,392 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 00:04:43,392 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:04:43,392 INFO L87 Difference]: Start difference. First operand 395 states and 440 transitions. Second operand 25 states. [2018-04-13 00:04:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:43,505 INFO L93 Difference]: Finished difference Result 408 states and 453 transitions. [2018-04-13 00:04:43,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 00:04:43,506 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 3055 [2018-04-13 00:04:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:43,507 INFO L225 Difference]: With dead ends: 408 [2018-04-13 00:04:43,507 INFO L226 Difference]: Without dead ends: 405 [2018-04-13 00:04:43,508 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2018-04-13 00:04:43,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-13 00:04:43,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 401. [2018-04-13 00:04:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-04-13 00:04:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 446 transitions. [2018-04-13 00:04:43,512 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 446 transitions. Word has length 3055 [2018-04-13 00:04:43,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:43,512 INFO L459 AbstractCegarLoop]: Abstraction has 401 states and 446 transitions. [2018-04-13 00:04:43,512 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 00:04:43,512 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 446 transitions. [2018-04-13 00:04:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3188 [2018-04-13 00:04:43,549 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:43,550 INFO L355 BasicCegarLoop]: trace histogram [506, 484, 484, 484, 484, 484, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:43,550 INFO L408 AbstractCegarLoop]: === Iteration 49 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:43,550 INFO L82 PathProgramCache]: Analyzing trace with hash -1215606133, now seen corresponding path program 43 times [2018-04-13 00:04:43,551 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:43,691 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 725428 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 723998 trivial. 0 not checked. [2018-04-13 00:04:46,393 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:46,393 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 00:04:46,393 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31878 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31878 trivial. 0 not checked. [2018-04-13 00:04:46,394 INFO L182 omatonBuilderFactory]: Interpolants [22080#(<= main_~i~1 2), 22081#(<= main_~i~1 3), 22082#(<= main_~i~1 4), 22083#(<= main_~i~1 5), 22084#(<= main_~i~1 6), 22085#(<= main_~i~1 7), 22086#(<= main_~i~1 8), 22087#(<= main_~i~1 9), 22088#(<= main_~i~1 10), 22089#(<= main_~i~1 11), 22090#(<= main_~i~1 12), 22091#(<= main_~i~1 13), 22092#(<= main_~i~1 14), 22093#(<= main_~i~1 15), 22094#(<= main_~i~1 16), 22095#(<= main_~i~1 17), 22096#(<= main_~i~1 18), 22097#(<= main_~i~1 19), 22098#(<= main_~i~1 20), 22099#(<= main_~i~1 21), 22100#(<= main_~i~1 22), 22076#true, 22077#false, 22078#(= main_~i~1 0), 22079#(<= main_~i~1 1)] [2018-04-13 00:04:46,400 INFO L134 CoverageAnalysis]: Checked inductivity of 725428 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 723998 trivial. 0 not checked. [2018-04-13 00:04:46,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 00:04:46,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 00:04:46,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:04:46,401 INFO L87 Difference]: Start difference. First operand 401 states and 446 transitions. Second operand 25 states. [2018-04-13 00:04:46,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:46,595 INFO L93 Difference]: Finished difference Result 534 states and 560 transitions. [2018-04-13 00:04:46,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 00:04:46,596 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 3187 [2018-04-13 00:04:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:46,598 INFO L225 Difference]: With dead ends: 534 [2018-04-13 00:04:46,598 INFO L226 Difference]: Without dead ends: 534 [2018-04-13 00:04:46,599 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:04:46,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-04-13 00:04:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 412. [2018-04-13 00:04:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-04-13 00:04:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 459 transitions. [2018-04-13 00:04:46,602 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 459 transitions. Word has length 3187 [2018-04-13 00:04:46,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:46,603 INFO L459 AbstractCegarLoop]: Abstraction has 412 states and 459 transitions. [2018-04-13 00:04:46,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 00:04:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 459 transitions. [2018-04-13 00:04:46,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3332 [2018-04-13 00:04:46,641 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:46,641 INFO L355 BasicCegarLoop]: trace histogram [529, 506, 506, 506, 506, 506, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:46,641 INFO L408 AbstractCegarLoop]: === Iteration 50 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:46,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1457039484, now seen corresponding path program 44 times [2018-04-13 00:04:46,642 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:46,819 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:50,683 INFO L134 CoverageAnalysis]: Checked inductivity of 792948 backedges. 90 proven. 67364 refuted. 0 times theorem prover too weak. 725494 trivial. 0 not checked. [2018-04-13 00:04:50,683 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:50,683 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 00:04:50,683 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 34914 backedges. 0 proven. 3014 refuted. 0 times theorem prover too weak. 31900 trivial. 0 not checked. [2018-04-13 00:04:50,684 INFO L182 omatonBuilderFactory]: Interpolants [23047#true, 23048#false, 23049#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 23050#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23051#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23052#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23053#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23054#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23055#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23056#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23057#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 23058#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23059#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23060#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 23061#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23062#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 23063#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23064#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23065#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23066#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23067#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 23068#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23069#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23070#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23071#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23072#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:50,692 INFO L134 CoverageAnalysis]: Checked inductivity of 792948 backedges. 90 proven. 67364 refuted. 0 times theorem prover too weak. 725494 trivial. 0 not checked. [2018-04-13 00:04:50,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 00:04:50,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 00:04:50,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2018-04-13 00:04:50,692 INFO L87 Difference]: Start difference. First operand 412 states and 459 transitions. Second operand 26 states. [2018-04-13 00:04:50,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:50,813 INFO L93 Difference]: Finished difference Result 425 states and 472 transitions. [2018-04-13 00:04:50,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 00:04:50,813 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 3331 [2018-04-13 00:04:50,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:50,814 INFO L225 Difference]: With dead ends: 425 [2018-04-13 00:04:50,814 INFO L226 Difference]: Without dead ends: 422 [2018-04-13 00:04:50,815 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2018-04-13 00:04:50,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-04-13 00:04:50,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 418. [2018-04-13 00:04:50,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-04-13 00:04:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 465 transitions. [2018-04-13 00:04:50,819 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 465 transitions. Word has length 3331 [2018-04-13 00:04:50,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:50,819 INFO L459 AbstractCegarLoop]: Abstraction has 418 states and 465 transitions. [2018-04-13 00:04:50,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 00:04:50,819 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 465 transitions. [2018-04-13 00:04:50,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3470 [2018-04-13 00:04:50,861 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:50,862 INFO L355 BasicCegarLoop]: trace histogram [552, 529, 529, 529, 529, 529, 24, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:50,862 INFO L408 AbstractCegarLoop]: === Iteration 51 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:50,862 INFO L82 PathProgramCache]: Analyzing trace with hash 733030452, now seen corresponding path program 45 times [2018-04-13 00:04:50,863 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:51,072 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 865352 backedges. 0 proven. 1564 refuted. 0 times theorem prover too weak. 863788 trivial. 0 not checked. [2018-04-13 00:04:54,109 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:54,109 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 00:04:54,109 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:54,110 INFO L134 CoverageAnalysis]: Checked inductivity of 36432 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36432 trivial. 0 not checked. [2018-04-13 00:04:54,110 INFO L182 omatonBuilderFactory]: Interpolants [23936#(<= main_~i~1 16), 23937#(<= main_~i~1 17), 23938#(<= main_~i~1 18), 23939#(<= main_~i~1 19), 23940#(<= main_~i~1 20), 23941#(<= main_~i~1 21), 23942#(<= main_~i~1 22), 23943#(<= main_~i~1 23), 23918#true, 23919#false, 23920#(= main_~i~1 0), 23921#(<= main_~i~1 1), 23922#(<= main_~i~1 2), 23923#(<= main_~i~1 3), 23924#(<= main_~i~1 4), 23925#(<= main_~i~1 5), 23926#(<= main_~i~1 6), 23927#(<= main_~i~1 7), 23928#(<= main_~i~1 8), 23929#(<= main_~i~1 9), 23930#(<= main_~i~1 10), 23931#(<= main_~i~1 11), 23932#(<= main_~i~1 12), 23933#(<= main_~i~1 13), 23934#(<= main_~i~1 14), 23935#(<= main_~i~1 15)] [2018-04-13 00:04:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 865352 backedges. 0 proven. 1564 refuted. 0 times theorem prover too weak. 863788 trivial. 0 not checked. [2018-04-13 00:04:54,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 00:04:54,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 00:04:54,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-04-13 00:04:54,119 INFO L87 Difference]: Start difference. First operand 418 states and 465 transitions. Second operand 26 states. [2018-04-13 00:04:54,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:54,303 INFO L93 Difference]: Finished difference Result 556 states and 583 transitions. [2018-04-13 00:04:54,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 00:04:54,303 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 3469 [2018-04-13 00:04:54,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:54,306 INFO L225 Difference]: With dead ends: 556 [2018-04-13 00:04:54,306 INFO L226 Difference]: Without dead ends: 556 [2018-04-13 00:04:54,306 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-04-13 00:04:54,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-04-13 00:04:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 429. [2018-04-13 00:04:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-04-13 00:04:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 478 transitions. [2018-04-13 00:04:54,313 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 478 transitions. Word has length 3469 [2018-04-13 00:04:54,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:54,315 INFO L459 AbstractCegarLoop]: Abstraction has 429 states and 478 transitions. [2018-04-13 00:04:54,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 00:04:54,315 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 478 transitions. [2018-04-13 00:04:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3620 [2018-04-13 00:04:54,364 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:54,365 INFO L355 BasicCegarLoop]: trace histogram [576, 552, 552, 552, 552, 552, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:54,365 INFO L408 AbstractCegarLoop]: === Iteration 52 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:54,365 INFO L82 PathProgramCache]: Analyzing trace with hash 541578285, now seen corresponding path program 46 times [2018-04-13 00:04:54,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:54,606 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:04:58,989 INFO L134 CoverageAnalysis]: Checked inductivity of 942312 backedges. 94 proven. 76797 refuted. 0 times theorem prover too weak. 865421 trivial. 0 not checked. [2018-04-13 00:04:58,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:04:58,990 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 00:04:58,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:04:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 39744 backedges. 0 proven. 3289 refuted. 0 times theorem prover too weak. 36455 trivial. 0 not checked. [2018-04-13 00:04:58,991 INFO L182 omatonBuilderFactory]: Interpolants [24929#true, 24930#false, 24931#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 24932#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24933#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24934#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24935#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24936#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24937#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24938#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24939#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 24940#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24941#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24942#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 24943#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24944#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 24945#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24946#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24947#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24948#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24949#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 24950#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24951#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24952#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24953#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24954#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24955#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:04:59,000 INFO L134 CoverageAnalysis]: Checked inductivity of 942312 backedges. 94 proven. 76797 refuted. 0 times theorem prover too weak. 865421 trivial. 0 not checked. [2018-04-13 00:04:59,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 00:04:59,000 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 00:04:59,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2018-04-13 00:04:59,000 INFO L87 Difference]: Start difference. First operand 429 states and 478 transitions. Second operand 27 states. [2018-04-13 00:04:59,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:04:59,119 INFO L93 Difference]: Finished difference Result 442 states and 491 transitions. [2018-04-13 00:04:59,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-13 00:04:59,120 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 3619 [2018-04-13 00:04:59,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:04:59,121 INFO L225 Difference]: With dead ends: 442 [2018-04-13 00:04:59,121 INFO L226 Difference]: Without dead ends: 439 [2018-04-13 00:04:59,121 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2018-04-13 00:04:59,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-04-13 00:04:59,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-04-13 00:04:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-04-13 00:04:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 484 transitions. [2018-04-13 00:04:59,125 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 484 transitions. Word has length 3619 [2018-04-13 00:04:59,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:04:59,125 INFO L459 AbstractCegarLoop]: Abstraction has 435 states and 484 transitions. [2018-04-13 00:04:59,125 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 00:04:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 484 transitions. [2018-04-13 00:04:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3764 [2018-04-13 00:04:59,172 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:04:59,173 INFO L355 BasicCegarLoop]: trace histogram [600, 576, 576, 576, 576, 576, 25, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:04:59,173 INFO L408 AbstractCegarLoop]: === Iteration 53 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:04:59,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1465678829, now seen corresponding path program 47 times [2018-04-13 00:04:59,174 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:04:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:04:59,405 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1024608 backedges. 0 proven. 1704 refuted. 0 times theorem prover too weak. 1022904 trivial. 0 not checked. [2018-04-13 00:05:03,302 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:03,303 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 00:05:03,303 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:03,304 INFO L134 CoverageAnalysis]: Checked inductivity of 41400 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41400 trivial. 0 not checked. [2018-04-13 00:05:03,304 INFO L182 omatonBuilderFactory]: Interpolants [25856#(<= main_~i~1 19), 25857#(<= main_~i~1 20), 25858#(<= main_~i~1 21), 25859#(<= main_~i~1 22), 25860#(<= main_~i~1 23), 25861#(<= main_~i~1 24), 25835#true, 25836#false, 25837#(= main_~i~1 0), 25838#(<= main_~i~1 1), 25839#(<= main_~i~1 2), 25840#(<= main_~i~1 3), 25841#(<= main_~i~1 4), 25842#(<= main_~i~1 5), 25843#(<= main_~i~1 6), 25844#(<= main_~i~1 7), 25845#(<= main_~i~1 8), 25846#(<= main_~i~1 9), 25847#(<= main_~i~1 10), 25848#(<= main_~i~1 11), 25849#(<= main_~i~1 12), 25850#(<= main_~i~1 13), 25851#(<= main_~i~1 14), 25852#(<= main_~i~1 15), 25853#(<= main_~i~1 16), 25854#(<= main_~i~1 17), 25855#(<= main_~i~1 18)] [2018-04-13 00:05:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1024608 backedges. 0 proven. 1704 refuted. 0 times theorem prover too weak. 1022904 trivial. 0 not checked. [2018-04-13 00:05:03,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 00:05:03,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 00:05:03,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-04-13 00:05:03,312 INFO L87 Difference]: Start difference. First operand 435 states and 484 transitions. Second operand 27 states. [2018-04-13 00:05:03,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:03,558 INFO L93 Difference]: Finished difference Result 578 states and 606 transitions. [2018-04-13 00:05:03,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-13 00:05:03,558 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 3763 [2018-04-13 00:05:03,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:03,561 INFO L225 Difference]: With dead ends: 578 [2018-04-13 00:05:03,561 INFO L226 Difference]: Without dead ends: 578 [2018-04-13 00:05:03,561 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-04-13 00:05:03,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-04-13 00:05:03,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 446. [2018-04-13 00:05:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-04-13 00:05:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 497 transitions. [2018-04-13 00:05:03,566 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 497 transitions. Word has length 3763 [2018-04-13 00:05:03,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:03,567 INFO L459 AbstractCegarLoop]: Abstraction has 446 states and 497 transitions. [2018-04-13 00:05:03,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 00:05:03,568 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 497 transitions. [2018-04-13 00:05:03,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3920 [2018-04-13 00:05:03,622 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:03,622 INFO L355 BasicCegarLoop]: trace histogram [625, 600, 600, 600, 600, 600, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:03,622 INFO L408 AbstractCegarLoop]: === Iteration 54 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:03,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1670682002, now seen corresponding path program 48 times [2018-04-13 00:05:03,623 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:03,885 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1111850 backedges. 98 proven. 87072 refuted. 0 times theorem prover too weak. 1024680 trivial. 0 not checked. [2018-04-13 00:05:08,786 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:08,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 00:05:08,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:08,787 INFO L134 CoverageAnalysis]: Checked inductivity of 45000 backedges. 0 proven. 3576 refuted. 0 times theorem prover too weak. 41424 trivial. 0 not checked. [2018-04-13 00:05:08,787 INFO L182 omatonBuilderFactory]: Interpolants [26886#true, 26887#false, 26888#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 26889#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26890#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26891#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26892#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26893#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26894#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26895#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26896#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 26897#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26898#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26899#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 26900#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26901#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 26902#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26903#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26904#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26905#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26906#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 26907#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26908#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26909#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26910#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26911#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26912#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 26913#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:05:08,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1111850 backedges. 98 proven. 87072 refuted. 0 times theorem prover too weak. 1024680 trivial. 0 not checked. [2018-04-13 00:05:08,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 00:05:08,798 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 00:05:08,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2018-04-13 00:05:08,799 INFO L87 Difference]: Start difference. First operand 446 states and 497 transitions. Second operand 28 states. [2018-04-13 00:05:08,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:08,928 INFO L93 Difference]: Finished difference Result 459 states and 510 transitions. [2018-04-13 00:05:08,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 00:05:08,928 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 3919 [2018-04-13 00:05:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:08,929 INFO L225 Difference]: With dead ends: 459 [2018-04-13 00:05:08,929 INFO L226 Difference]: Without dead ends: 456 [2018-04-13 00:05:08,930 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:05:08,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-04-13 00:05:08,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 452. [2018-04-13 00:05:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2018-04-13 00:05:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 503 transitions. [2018-04-13 00:05:08,934 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 503 transitions. Word has length 3919 [2018-04-13 00:05:08,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:08,934 INFO L459 AbstractCegarLoop]: Abstraction has 452 states and 503 transitions. [2018-04-13 00:05:08,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 00:05:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 503 transitions. [2018-04-13 00:05:08,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4070 [2018-04-13 00:05:08,993 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:08,993 INFO L355 BasicCegarLoop]: trace histogram [650, 625, 625, 625, 625, 625, 26, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:08,993 INFO L408 AbstractCegarLoop]: === Iteration 55 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:08,994 INFO L82 PathProgramCache]: Analyzing trace with hash -865296522, now seen corresponding path program 49 times [2018-04-13 00:05:08,994 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:09,232 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1204900 backedges. 0 proven. 1850 refuted. 0 times theorem prover too weak. 1203050 trivial. 0 not checked. [2018-04-13 00:05:13,676 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:13,676 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 00:05:13,676 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:13,677 INFO L134 CoverageAnalysis]: Checked inductivity of 46800 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46800 trivial. 0 not checked. [2018-04-13 00:05:13,677 INFO L182 omatonBuilderFactory]: Interpolants [27840#(<= main_~i~1 11), 27841#(<= main_~i~1 12), 27842#(<= main_~i~1 13), 27843#(<= main_~i~1 14), 27844#(<= main_~i~1 15), 27845#(<= main_~i~1 16), 27846#(<= main_~i~1 17), 27847#(<= main_~i~1 18), 27848#(<= main_~i~1 19), 27849#(<= main_~i~1 20), 27850#(<= main_~i~1 21), 27851#(<= main_~i~1 22), 27852#(<= main_~i~1 23), 27853#(<= main_~i~1 24), 27854#(<= main_~i~1 25), 27827#true, 27828#false, 27829#(= main_~i~1 0), 27830#(<= main_~i~1 1), 27831#(<= main_~i~1 2), 27832#(<= main_~i~1 3), 27833#(<= main_~i~1 4), 27834#(<= main_~i~1 5), 27835#(<= main_~i~1 6), 27836#(<= main_~i~1 7), 27837#(<= main_~i~1 8), 27838#(<= main_~i~1 9), 27839#(<= main_~i~1 10)] [2018-04-13 00:05:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1204900 backedges. 0 proven. 1850 refuted. 0 times theorem prover too weak. 1203050 trivial. 0 not checked. [2018-04-13 00:05:13,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 00:05:13,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 00:05:13,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-04-13 00:05:13,687 INFO L87 Difference]: Start difference. First operand 452 states and 503 transitions. Second operand 28 states. [2018-04-13 00:05:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:13,886 INFO L93 Difference]: Finished difference Result 600 states and 629 transitions. [2018-04-13 00:05:13,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 00:05:13,887 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 4069 [2018-04-13 00:05:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:13,889 INFO L225 Difference]: With dead ends: 600 [2018-04-13 00:05:13,889 INFO L226 Difference]: Without dead ends: 600 [2018-04-13 00:05:13,890 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-04-13 00:05:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-04-13 00:05:13,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 463. [2018-04-13 00:05:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-04-13 00:05:13,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 516 transitions. [2018-04-13 00:05:13,894 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 516 transitions. Word has length 4069 [2018-04-13 00:05:13,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:13,895 INFO L459 AbstractCegarLoop]: Abstraction has 463 states and 516 transitions. [2018-04-13 00:05:13,895 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 00:05:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 516 transitions. [2018-04-13 00:05:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4232 [2018-04-13 00:05:13,952 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:13,953 INFO L355 BasicCegarLoop]: trace histogram [676, 650, 650, 650, 650, 650, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:13,953 INFO L408 AbstractCegarLoop]: === Iteration 56 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:13,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1276929793, now seen corresponding path program 50 times [2018-04-13 00:05:13,954 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:14,214 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1303302 backedges. 102 proven. 98225 refuted. 0 times theorem prover too weak. 1204975 trivial. 0 not checked. [2018-04-13 00:05:19,868 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:19,868 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 00:05:19,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:19,870 INFO L134 CoverageAnalysis]: Checked inductivity of 50700 backedges. 0 proven. 3875 refuted. 0 times theorem prover too weak. 46825 trivial. 0 not checked. [2018-04-13 00:05:19,870 INFO L182 omatonBuilderFactory]: Interpolants [28928#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 28929#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28930#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28931#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 28932#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28933#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 28934#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28935#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28936#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28937#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28938#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 28939#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28940#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28941#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28942#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28943#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28944#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28945#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 28946#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 28918#true, 28919#false, 28920#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 28921#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28922#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28923#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28924#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28925#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28926#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 28927#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:05:19,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1303302 backedges. 102 proven. 98225 refuted. 0 times theorem prover too weak. 1204975 trivial. 0 not checked. [2018-04-13 00:05:19,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 00:05:19,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 00:05:19,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:05:19,882 INFO L87 Difference]: Start difference. First operand 463 states and 516 transitions. Second operand 29 states. [2018-04-13 00:05:19,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:19,998 INFO L93 Difference]: Finished difference Result 476 states and 529 transitions. [2018-04-13 00:05:19,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-13 00:05:19,998 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 4231 [2018-04-13 00:05:19,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:20,000 INFO L225 Difference]: With dead ends: 476 [2018-04-13 00:05:20,000 INFO L226 Difference]: Without dead ends: 473 [2018-04-13 00:05:20,000 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:05:20,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-04-13 00:05:20,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 469. [2018-04-13 00:05:20,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-04-13 00:05:20,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 522 transitions. [2018-04-13 00:05:20,004 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 522 transitions. Word has length 4231 [2018-04-13 00:05:20,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:20,004 INFO L459 AbstractCegarLoop]: Abstraction has 469 states and 522 transitions. [2018-04-13 00:05:20,004 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 00:05:20,005 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 522 transitions. [2018-04-13 00:05:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4388 [2018-04-13 00:05:20,080 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:20,081 INFO L355 BasicCegarLoop]: trace histogram [702, 676, 676, 676, 676, 676, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:20,081 INFO L408 AbstractCegarLoop]: === Iteration 57 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1844411535, now seen corresponding path program 51 times [2018-04-13 00:05:20,081 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:20,285 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:25,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1408004 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 1406002 trivial. 0 not checked. [2018-04-13 00:05:25,328 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:25,329 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 00:05:25,329 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:25,330 INFO L134 CoverageAnalysis]: Checked inductivity of 52650 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52650 trivial. 0 not checked. [2018-04-13 00:05:25,330 INFO L182 omatonBuilderFactory]: Interpolants [29894#true, 29895#false, 29896#(= main_~i~1 0), 29897#(<= main_~i~1 1), 29898#(<= main_~i~1 2), 29899#(<= main_~i~1 3), 29900#(<= main_~i~1 4), 29901#(<= main_~i~1 5), 29902#(<= main_~i~1 6), 29903#(<= main_~i~1 7), 29904#(<= main_~i~1 8), 29905#(<= main_~i~1 9), 29906#(<= main_~i~1 10), 29907#(<= main_~i~1 11), 29908#(<= main_~i~1 12), 29909#(<= main_~i~1 13), 29910#(<= main_~i~1 14), 29911#(<= main_~i~1 15), 29912#(<= main_~i~1 16), 29913#(<= main_~i~1 17), 29914#(<= main_~i~1 18), 29915#(<= main_~i~1 19), 29916#(<= main_~i~1 20), 29917#(<= main_~i~1 21), 29918#(<= main_~i~1 22), 29919#(<= main_~i~1 23), 29920#(<= main_~i~1 24), 29921#(<= main_~i~1 25), 29922#(<= main_~i~1 26)] [2018-04-13 00:05:25,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1408004 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 1406002 trivial. 0 not checked. [2018-04-13 00:05:25,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 00:05:25,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 00:05:25,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:05:25,342 INFO L87 Difference]: Start difference. First operand 469 states and 522 transitions. Second operand 29 states. [2018-04-13 00:05:25,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:25,622 INFO L93 Difference]: Finished difference Result 622 states and 652 transitions. [2018-04-13 00:05:25,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-13 00:05:25,622 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 4387 [2018-04-13 00:05:25,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:25,626 INFO L225 Difference]: With dead ends: 622 [2018-04-13 00:05:25,626 INFO L226 Difference]: Without dead ends: 622 [2018-04-13 00:05:25,626 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:05:25,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-04-13 00:05:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 480. [2018-04-13 00:05:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-04-13 00:05:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 535 transitions. [2018-04-13 00:05:25,631 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 535 transitions. Word has length 4387 [2018-04-13 00:05:25,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:25,632 INFO L459 AbstractCegarLoop]: Abstraction has 480 states and 535 transitions. [2018-04-13 00:05:25,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 00:05:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 535 transitions. [2018-04-13 00:05:25,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4556 [2018-04-13 00:05:25,702 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:25,703 INFO L355 BasicCegarLoop]: trace histogram [729, 702, 702, 702, 702, 702, 28, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:25,703 INFO L408 AbstractCegarLoop]: === Iteration 58 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:25,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1112808032, now seen corresponding path program 52 times [2018-04-13 00:05:25,703 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:25,973 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1518480 backedges. 106 proven. 110292 refuted. 0 times theorem prover too weak. 1408082 trivial. 0 not checked. [2018-04-13 00:05:32,419 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:32,419 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 00:05:32,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 56862 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 52676 trivial. 0 not checked. [2018-04-13 00:05:32,420 INFO L182 omatonBuilderFactory]: Interpolants [31040#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 31041#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31042#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31043#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31044#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31045#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 31046#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31047#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31048#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31049#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31050#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31051#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31052#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 31053#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 26) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31054#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 31025#true, 31026#false, 31027#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 31028#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31029#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31030#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31031#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31032#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31033#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31034#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31035#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 31036#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31037#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31038#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 31039#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:05:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1518480 backedges. 106 proven. 110292 refuted. 0 times theorem prover too weak. 1408082 trivial. 0 not checked. [2018-04-13 00:05:32,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 00:05:32,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 00:05:32,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:05:32,435 INFO L87 Difference]: Start difference. First operand 480 states and 535 transitions. Second operand 30 states. [2018-04-13 00:05:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:32,558 INFO L93 Difference]: Finished difference Result 493 states and 548 transitions. [2018-04-13 00:05:32,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 00:05:32,558 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 4555 [2018-04-13 00:05:32,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:32,560 INFO L225 Difference]: With dead ends: 493 [2018-04-13 00:05:32,560 INFO L226 Difference]: Without dead ends: 490 [2018-04-13 00:05:32,560 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:05:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-04-13 00:05:32,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 486. [2018-04-13 00:05:32,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-04-13 00:05:32,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 541 transitions. [2018-04-13 00:05:32,565 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 541 transitions. Word has length 4555 [2018-04-13 00:05:32,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:32,565 INFO L459 AbstractCegarLoop]: Abstraction has 486 states and 541 transitions. [2018-04-13 00:05:32,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 00:05:32,565 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 541 transitions. [2018-04-13 00:05:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4718 [2018-04-13 00:05:32,640 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:32,640 INFO L355 BasicCegarLoop]: trace histogram [756, 729, 729, 729, 729, 729, 28, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:32,640 INFO L408 AbstractCegarLoop]: === Iteration 59 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash -969485064, now seen corresponding path program 53 times [2018-04-13 00:05:32,641 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:32,980 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1635768 backedges. 0 proven. 2160 refuted. 0 times theorem prover too weak. 1633608 trivial. 0 not checked. [2018-04-13 00:05:38,671 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:38,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 00:05:38,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 58968 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58968 trivial. 0 not checked. [2018-04-13 00:05:38,673 INFO L182 omatonBuilderFactory]: Interpolants [32064#(<= main_~i~1 26), 32065#(<= main_~i~1 27), 32036#true, 32037#false, 32038#(= main_~i~1 0), 32039#(<= main_~i~1 1), 32040#(<= main_~i~1 2), 32041#(<= main_~i~1 3), 32042#(<= main_~i~1 4), 32043#(<= main_~i~1 5), 32044#(<= main_~i~1 6), 32045#(<= main_~i~1 7), 32046#(<= main_~i~1 8), 32047#(<= main_~i~1 9), 32048#(<= main_~i~1 10), 32049#(<= main_~i~1 11), 32050#(<= main_~i~1 12), 32051#(<= main_~i~1 13), 32052#(<= main_~i~1 14), 32053#(<= main_~i~1 15), 32054#(<= main_~i~1 16), 32055#(<= main_~i~1 17), 32056#(<= main_~i~1 18), 32057#(<= main_~i~1 19), 32058#(<= main_~i~1 20), 32059#(<= main_~i~1 21), 32060#(<= main_~i~1 22), 32061#(<= main_~i~1 23), 32062#(<= main_~i~1 24), 32063#(<= main_~i~1 25)] [2018-04-13 00:05:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1635768 backedges. 0 proven. 2160 refuted. 0 times theorem prover too weak. 1633608 trivial. 0 not checked. [2018-04-13 00:05:38,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 00:05:38,686 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 00:05:38,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:05:38,687 INFO L87 Difference]: Start difference. First operand 486 states and 541 transitions. Second operand 30 states. [2018-04-13 00:05:38,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:38,961 INFO L93 Difference]: Finished difference Result 644 states and 675 transitions. [2018-04-13 00:05:38,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 00:05:38,961 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 4717 [2018-04-13 00:05:38,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:38,965 INFO L225 Difference]: With dead ends: 644 [2018-04-13 00:05:38,965 INFO L226 Difference]: Without dead ends: 644 [2018-04-13 00:05:38,966 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:05:38,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-04-13 00:05:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 497. [2018-04-13 00:05:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-04-13 00:05:38,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 554 transitions. [2018-04-13 00:05:38,972 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 554 transitions. Word has length 4717 [2018-04-13 00:05:38,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:38,973 INFO L459 AbstractCegarLoop]: Abstraction has 497 states and 554 transitions. [2018-04-13 00:05:38,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 00:05:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 554 transitions. [2018-04-13 00:05:39,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4892 [2018-04-13 00:05:39,057 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:39,057 INFO L355 BasicCegarLoop]: trace histogram [784, 756, 756, 756, 756, 756, 29, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:39,057 INFO L408 AbstractCegarLoop]: === Iteration 60 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:39,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1413583343, now seen corresponding path program 54 times [2018-04-13 00:05:39,058 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:39,428 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1759268 backedges. 110 proven. 123309 refuted. 0 times theorem prover too weak. 1635849 trivial. 0 not checked. [2018-04-13 00:05:47,997 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:47,998 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-13 00:05:47,998 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:47,999 INFO L134 CoverageAnalysis]: Checked inductivity of 63504 backedges. 0 proven. 4509 refuted. 0 times theorem prover too weak. 58995 trivial. 0 not checked. [2018-04-13 00:05:47,999 INFO L182 omatonBuilderFactory]: Interpolants [33216#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33217#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 33218#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33219#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33220#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 33221#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33222#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 33223#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33224#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33225#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33226#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33227#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 33228#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33229#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33230#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33231#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33232#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33233#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33234#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 33235#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 26) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33236#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 27) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33237#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 33207#true, 33208#false, 33209#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 33210#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33211#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33212#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33213#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33214#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33215#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:05:48,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1759268 backedges. 110 proven. 123309 refuted. 0 times theorem prover too weak. 1635849 trivial. 0 not checked. [2018-04-13 00:05:48,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 00:05:48,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 00:05:48,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:05:48,017 INFO L87 Difference]: Start difference. First operand 497 states and 554 transitions. Second operand 31 states. [2018-04-13 00:05:48,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:48,146 INFO L93 Difference]: Finished difference Result 510 states and 567 transitions. [2018-04-13 00:05:48,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 00:05:48,146 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 4891 [2018-04-13 00:05:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:48,148 INFO L225 Difference]: With dead ends: 510 [2018-04-13 00:05:48,148 INFO L226 Difference]: Without dead ends: 507 [2018-04-13 00:05:48,148 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2018-04-13 00:05:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-04-13 00:05:48,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 503. [2018-04-13 00:05:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2018-04-13 00:05:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 560 transitions. [2018-04-13 00:05:48,152 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 560 transitions. Word has length 4891 [2018-04-13 00:05:48,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:48,152 INFO L459 AbstractCegarLoop]: Abstraction has 503 states and 560 transitions. [2018-04-13 00:05:48,152 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 00:05:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 560 transitions. [2018-04-13 00:05:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5060 [2018-04-13 00:05:48,257 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:48,258 INFO L355 BasicCegarLoop]: trace histogram [812, 784, 784, 784, 784, 784, 29, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:48,258 INFO L408 AbstractCegarLoop]: === Iteration 61 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:48,258 INFO L82 PathProgramCache]: Analyzing trace with hash 695304817, now seen corresponding path program 55 times [2018-04-13 00:05:48,258 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:48,595 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:05:55,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1890112 backedges. 0 proven. 2324 refuted. 0 times theorem prover too weak. 1887788 trivial. 0 not checked. [2018-04-13 00:05:55,301 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:05:55,302 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-13 00:05:55,302 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:05:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 65772 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65772 trivial. 0 not checked. [2018-04-13 00:05:55,303 INFO L182 omatonBuilderFactory]: Interpolants [34253#true, 34254#false, 34255#(= main_~i~1 0), 34256#(<= main_~i~1 1), 34257#(<= main_~i~1 2), 34258#(<= main_~i~1 3), 34259#(<= main_~i~1 4), 34260#(<= main_~i~1 5), 34261#(<= main_~i~1 6), 34262#(<= main_~i~1 7), 34263#(<= main_~i~1 8), 34264#(<= main_~i~1 9), 34265#(<= main_~i~1 10), 34266#(<= main_~i~1 11), 34267#(<= main_~i~1 12), 34268#(<= main_~i~1 13), 34269#(<= main_~i~1 14), 34270#(<= main_~i~1 15), 34271#(<= main_~i~1 16), 34272#(<= main_~i~1 17), 34273#(<= main_~i~1 18), 34274#(<= main_~i~1 19), 34275#(<= main_~i~1 20), 34276#(<= main_~i~1 21), 34277#(<= main_~i~1 22), 34278#(<= main_~i~1 23), 34279#(<= main_~i~1 24), 34280#(<= main_~i~1 25), 34281#(<= main_~i~1 26), 34282#(<= main_~i~1 27), 34283#(<= main_~i~1 28)] [2018-04-13 00:05:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1890112 backedges. 0 proven. 2324 refuted. 0 times theorem prover too weak. 1887788 trivial. 0 not checked. [2018-04-13 00:05:55,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 00:05:55,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 00:05:55,319 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:05:55,319 INFO L87 Difference]: Start difference. First operand 503 states and 560 transitions. Second operand 31 states. [2018-04-13 00:05:55,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:05:55,635 INFO L93 Difference]: Finished difference Result 666 states and 698 transitions. [2018-04-13 00:05:55,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 00:05:55,635 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 5059 [2018-04-13 00:05:55,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:05:55,638 INFO L225 Difference]: With dead ends: 666 [2018-04-13 00:05:55,638 INFO L226 Difference]: Without dead ends: 666 [2018-04-13 00:05:55,639 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:05:55,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2018-04-13 00:05:55,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 514. [2018-04-13 00:05:55,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-04-13 00:05:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 573 transitions. [2018-04-13 00:05:55,644 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 573 transitions. Word has length 5059 [2018-04-13 00:05:55,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:05:55,645 INFO L459 AbstractCegarLoop]: Abstraction has 514 states and 573 transitions. [2018-04-13 00:05:55,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 00:05:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 573 transitions. [2018-04-13 00:05:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5240 [2018-04-13 00:05:55,733 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:05:55,733 INFO L355 BasicCegarLoop]: trace histogram [841, 812, 812, 812, 812, 812, 30, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:05:55,733 INFO L408 AbstractCegarLoop]: === Iteration 62 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:05:55,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1558501358, now seen corresponding path program 56 times [2018-04-13 00:05:55,734 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:05:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:05:56,119 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:06:04,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2027622 backedges. 114 proven. 137312 refuted. 0 times theorem prover too weak. 1890196 trivial. 0 not checked. [2018-04-13 00:06:04,711 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:06:04,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 00:06:04,711 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:06:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 70644 backedges. 0 proven. 4844 refuted. 0 times theorem prover too weak. 65800 trivial. 0 not checked. [2018-04-13 00:06:04,712 INFO L182 omatonBuilderFactory]: Interpolants [35464#true, 35465#false, 35466#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 35467#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35468#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35469#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35470#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35471#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35472#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35473#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35474#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 35475#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35476#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35477#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 35478#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35479#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 35480#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35481#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35482#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35483#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35484#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 35485#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35486#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35487#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35488#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35489#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35490#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35491#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 35492#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 26) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35493#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 27) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35494#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 28) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35495#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:06:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2027622 backedges. 114 proven. 137312 refuted. 0 times theorem prover too weak. 1890196 trivial. 0 not checked. [2018-04-13 00:06:04,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-13 00:06:04,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-13 00:06:04,731 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2018-04-13 00:06:04,731 INFO L87 Difference]: Start difference. First operand 514 states and 573 transitions. Second operand 32 states. [2018-04-13 00:06:04,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:06:04,886 INFO L93 Difference]: Finished difference Result 527 states and 586 transitions. [2018-04-13 00:06:04,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 00:06:04,886 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 5239 [2018-04-13 00:06:04,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:06:04,888 INFO L225 Difference]: With dead ends: 527 [2018-04-13 00:06:04,888 INFO L226 Difference]: Without dead ends: 524 [2018-04-13 00:06:04,888 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:06:04,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-04-13 00:06:04,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 520. [2018-04-13 00:06:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-04-13 00:06:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 579 transitions. [2018-04-13 00:06:04,893 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 579 transitions. Word has length 5239 [2018-04-13 00:06:04,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:06:04,894 INFO L459 AbstractCegarLoop]: Abstraction has 520 states and 579 transitions. [2018-04-13 00:06:04,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-13 00:06:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 579 transitions. [2018-04-13 00:06:05,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5414 [2018-04-13 00:06:05,003 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:06:05,004 INFO L355 BasicCegarLoop]: trace histogram [870, 841, 841, 841, 841, 841, 30, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:06:05,004 INFO L408 AbstractCegarLoop]: === Iteration 63 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:06:05,004 INFO L82 PathProgramCache]: Analyzing trace with hash -231688518, now seen corresponding path program 57 times [2018-04-13 00:06:05,005 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:06:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:06:05,431 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:06:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 2173028 backedges. 0 proven. 2494 refuted. 0 times theorem prover too weak. 2170534 trivial. 0 not checked. [2018-04-13 00:06:12,907 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:06:12,907 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 00:06:12,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:06:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 73080 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73080 trivial. 0 not checked. [2018-04-13 00:06:12,909 INFO L182 omatonBuilderFactory]: Interpolants [36545#true, 36546#false, 36547#(= main_~i~1 0), 36548#(<= main_~i~1 1), 36549#(<= main_~i~1 2), 36550#(<= main_~i~1 3), 36551#(<= main_~i~1 4), 36552#(<= main_~i~1 5), 36553#(<= main_~i~1 6), 36554#(<= main_~i~1 7), 36555#(<= main_~i~1 8), 36556#(<= main_~i~1 9), 36557#(<= main_~i~1 10), 36558#(<= main_~i~1 11), 36559#(<= main_~i~1 12), 36560#(<= main_~i~1 13), 36561#(<= main_~i~1 14), 36562#(<= main_~i~1 15), 36563#(<= main_~i~1 16), 36564#(<= main_~i~1 17), 36565#(<= main_~i~1 18), 36566#(<= main_~i~1 19), 36567#(<= main_~i~1 20), 36568#(<= main_~i~1 21), 36569#(<= main_~i~1 22), 36570#(<= main_~i~1 23), 36571#(<= main_~i~1 24), 36572#(<= main_~i~1 25), 36573#(<= main_~i~1 26), 36574#(<= main_~i~1 27), 36575#(<= main_~i~1 28), 36576#(<= main_~i~1 29)] [2018-04-13 00:06:12,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2173028 backedges. 0 proven. 2494 refuted. 0 times theorem prover too weak. 2170534 trivial. 0 not checked. [2018-04-13 00:06:12,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-13 00:06:12,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-13 00:06:12,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-04-13 00:06:12,927 INFO L87 Difference]: Start difference. First operand 520 states and 579 transitions. Second operand 32 states. [2018-04-13 00:06:13,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:06:13,275 INFO L93 Difference]: Finished difference Result 688 states and 721 transitions. [2018-04-13 00:06:13,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 00:06:13,276 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 5413 [2018-04-13 00:06:13,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:06:13,279 INFO L225 Difference]: With dead ends: 688 [2018-04-13 00:06:13,279 INFO L226 Difference]: Without dead ends: 688 [2018-04-13 00:06:13,280 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-04-13 00:06:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2018-04-13 00:06:13,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 531. [2018-04-13 00:06:13,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-04-13 00:06:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 592 transitions. [2018-04-13 00:06:13,285 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 592 transitions. Word has length 5413 [2018-04-13 00:06:13,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:06:13,287 INFO L459 AbstractCegarLoop]: Abstraction has 531 states and 592 transitions. [2018-04-13 00:06:13,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-13 00:06:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 592 transitions. [2018-04-13 00:06:13,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5600 [2018-04-13 00:06:13,383 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:06:13,383 INFO L355 BasicCegarLoop]: trace histogram [900, 870, 870, 870, 870, 870, 31, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:06:13,383 INFO L408 AbstractCegarLoop]: === Iteration 64 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:06:13,384 INFO L82 PathProgramCache]: Analyzing trace with hash 2040209763, now seen corresponding path program 58 times [2018-04-13 00:06:13,384 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:06:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:06:13,812 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:06:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2325570 backedges. 118 proven. 152337 refuted. 0 times theorem prover too weak. 2173115 trivial. 0 not checked. [2018-04-13 00:06:23,249 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:06:23,249 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-13 00:06:23,249 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:06:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 78300 backedges. 0 proven. 5191 refuted. 0 times theorem prover too weak. 73109 trivial. 0 not checked. [2018-04-13 00:06:23,251 INFO L182 omatonBuilderFactory]: Interpolants [37824#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 26) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37825#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 27) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37826#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 28) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37827#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 29) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37828#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 37796#true, 37797#false, 37798#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 37799#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37800#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37801#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37802#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37803#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37804#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37805#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37806#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 37807#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37808#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37809#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 37810#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37811#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 37812#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37813#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37814#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37815#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37816#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 37817#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37818#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37819#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37820#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37821#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37822#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37823#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)))] [2018-04-13 00:06:23,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2325570 backedges. 118 proven. 152337 refuted. 0 times theorem prover too weak. 2173115 trivial. 0 not checked. [2018-04-13 00:06:23,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-13 00:06:23,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-13 00:06:23,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:06:23,273 INFO L87 Difference]: Start difference. First operand 531 states and 592 transitions. Second operand 33 states. [2018-04-13 00:06:23,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:06:23,404 INFO L93 Difference]: Finished difference Result 544 states and 605 transitions. [2018-04-13 00:06:23,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 00:06:23,405 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 5599 [2018-04-13 00:06:23,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:06:23,407 INFO L225 Difference]: With dead ends: 544 [2018-04-13 00:06:23,407 INFO L226 Difference]: Without dead ends: 541 [2018-04-13 00:06:23,407 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 00:06:23,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-04-13 00:06:23,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2018-04-13 00:06:23,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-04-13 00:06:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 598 transitions. [2018-04-13 00:06:23,413 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 598 transitions. Word has length 5599 [2018-04-13 00:06:23,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:06:23,414 INFO L459 AbstractCegarLoop]: Abstraction has 537 states and 598 transitions. [2018-04-13 00:06:23,414 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-13 00:06:23,414 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 598 transitions. [2018-04-13 00:06:23,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5780 [2018-04-13 00:06:23,526 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:06:23,526 INFO L355 BasicCegarLoop]: trace histogram [930, 900, 900, 900, 900, 900, 31, 30, 30, 30, 30, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:06:23,526 INFO L408 AbstractCegarLoop]: === Iteration 65 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:06:23,526 INFO L82 PathProgramCache]: Analyzing trace with hash -2025768045, now seen corresponding path program 59 times [2018-04-13 00:06:23,527 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:06:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:06:24,033 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:06:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2486580 backedges. 0 proven. 2670 refuted. 0 times theorem prover too weak. 2483910 trivial. 0 not checked. [2018-04-13 00:06:32,533 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:06:32,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-13 00:06:32,534 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:06:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 80910 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80910 trivial. 0 not checked. [2018-04-13 00:06:32,535 INFO L182 omatonBuilderFactory]: Interpolants [38912#true, 38913#false, 38914#(= main_~i~1 0), 38915#(<= main_~i~1 1), 38916#(<= main_~i~1 2), 38917#(<= main_~i~1 3), 38918#(<= main_~i~1 4), 38919#(<= main_~i~1 5), 38920#(<= main_~i~1 6), 38921#(<= main_~i~1 7), 38922#(<= main_~i~1 8), 38923#(<= main_~i~1 9), 38924#(<= main_~i~1 10), 38925#(<= main_~i~1 11), 38926#(<= main_~i~1 12), 38927#(<= main_~i~1 13), 38928#(<= main_~i~1 14), 38929#(<= main_~i~1 15), 38930#(<= main_~i~1 16), 38931#(<= main_~i~1 17), 38932#(<= main_~i~1 18), 38933#(<= main_~i~1 19), 38934#(<= main_~i~1 20), 38935#(<= main_~i~1 21), 38936#(<= main_~i~1 22), 38937#(<= main_~i~1 23), 38938#(<= main_~i~1 24), 38939#(<= main_~i~1 25), 38940#(<= main_~i~1 26), 38941#(<= main_~i~1 27), 38942#(<= main_~i~1 28), 38943#(<= main_~i~1 29), 38944#(<= main_~i~1 30)] [2018-04-13 00:06:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2486580 backedges. 0 proven. 2670 refuted. 0 times theorem prover too weak. 2483910 trivial. 0 not checked. [2018-04-13 00:06:32,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-13 00:06:32,555 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-13 00:06:32,556 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:06:32,556 INFO L87 Difference]: Start difference. First operand 537 states and 598 transitions. Second operand 33 states. [2018-04-13 00:06:32,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:06:32,893 INFO L93 Difference]: Finished difference Result 710 states and 744 transitions. [2018-04-13 00:06:32,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 00:06:32,893 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 5779 [2018-04-13 00:06:32,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:06:32,897 INFO L225 Difference]: With dead ends: 710 [2018-04-13 00:06:32,897 INFO L226 Difference]: Without dead ends: 710 [2018-04-13 00:06:32,897 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:06:32,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-04-13 00:06:32,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 548. [2018-04-13 00:06:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2018-04-13 00:06:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 611 transitions. [2018-04-13 00:06:32,903 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 611 transitions. Word has length 5779 [2018-04-13 00:06:32,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:06:32,904 INFO L459 AbstractCegarLoop]: Abstraction has 548 states and 611 transitions. [2018-04-13 00:06:32,904 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-13 00:06:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 611 transitions. [2018-04-13 00:06:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5972 [2018-04-13 00:06:33,022 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:06:33,022 INFO L355 BasicCegarLoop]: trace histogram [961, 930, 930, 930, 930, 930, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:06:33,022 INFO L408 AbstractCegarLoop]: === Iteration 66 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:06:33,023 INFO L82 PathProgramCache]: Analyzing trace with hash -2047361084, now seen corresponding path program 60 times [2018-04-13 00:06:33,023 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:06:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:06:33,480 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:06:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2655212 backedges. 122 proven. 168420 refuted. 0 times theorem prover too weak. 2486670 trivial. 0 not checked. [2018-04-13 00:06:44,089 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:06:44,090 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-13 00:06:44,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:06:44,091 INFO L134 CoverageAnalysis]: Checked inductivity of 86490 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 80940 trivial. 0 not checked. [2018-04-13 00:06:44,092 INFO L182 omatonBuilderFactory]: Interpolants [40203#true, 40204#false, 40205#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 40206#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40207#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40208#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40209#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40210#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40211#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40212#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40213#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 40214#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40215#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40216#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 40217#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40218#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 40219#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40220#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40221#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40222#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40223#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 40224#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40225#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40226#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40227#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40228#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40229#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40230#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 40231#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 26) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40232#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 27) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40233#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 28) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40234#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 29) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40235#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 30) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40236#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:06:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2655212 backedges. 122 proven. 168420 refuted. 0 times theorem prover too weak. 2486670 trivial. 0 not checked. [2018-04-13 00:06:44,115 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 00:06:44,115 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 00:06:44,115 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 00:06:44,115 INFO L87 Difference]: Start difference. First operand 548 states and 611 transitions. Second operand 34 states. [2018-04-13 00:06:44,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:06:44,266 INFO L93 Difference]: Finished difference Result 561 states and 624 transitions. [2018-04-13 00:06:44,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 00:06:44,267 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 5971 [2018-04-13 00:06:44,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:06:44,269 INFO L225 Difference]: With dead ends: 561 [2018-04-13 00:06:44,269 INFO L226 Difference]: Without dead ends: 558 [2018-04-13 00:06:44,269 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2018-04-13 00:06:44,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-04-13 00:06:44,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 554. [2018-04-13 00:06:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-04-13 00:06:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 617 transitions. [2018-04-13 00:06:44,275 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 617 transitions. Word has length 5971 [2018-04-13 00:06:44,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:06:44,276 INFO L459 AbstractCegarLoop]: Abstraction has 554 states and 617 transitions. [2018-04-13 00:06:44,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-13 00:06:44,276 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 617 transitions. [2018-04-13 00:06:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6158 [2018-04-13 00:06:44,402 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:06:44,403 INFO L355 BasicCegarLoop]: trace histogram [992, 961, 961, 961, 961, 961, 32, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:06:44,403 INFO L408 AbstractCegarLoop]: === Iteration 67 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:06:44,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1941916996, now seen corresponding path program 61 times [2018-04-13 00:06:44,404 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:06:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:06:45,021 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:06:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2832904 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 2830052 trivial. 0 not checked. [2018-04-13 00:06:54,655 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:06:54,655 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-13 00:06:54,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:06:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 89280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89280 trivial. 0 not checked. [2018-04-13 00:06:54,657 INFO L182 omatonBuilderFactory]: Interpolants [41354#true, 41355#false, 41356#(= main_~i~1 0), 41357#(<= main_~i~1 1), 41358#(<= main_~i~1 2), 41359#(<= main_~i~1 3), 41360#(<= main_~i~1 4), 41361#(<= main_~i~1 5), 41362#(<= main_~i~1 6), 41363#(<= main_~i~1 7), 41364#(<= main_~i~1 8), 41365#(<= main_~i~1 9), 41366#(<= main_~i~1 10), 41367#(<= main_~i~1 11), 41368#(<= main_~i~1 12), 41369#(<= main_~i~1 13), 41370#(<= main_~i~1 14), 41371#(<= main_~i~1 15), 41372#(<= main_~i~1 16), 41373#(<= main_~i~1 17), 41374#(<= main_~i~1 18), 41375#(<= main_~i~1 19), 41376#(<= main_~i~1 20), 41377#(<= main_~i~1 21), 41378#(<= main_~i~1 22), 41379#(<= main_~i~1 23), 41380#(<= main_~i~1 24), 41381#(<= main_~i~1 25), 41382#(<= main_~i~1 26), 41383#(<= main_~i~1 27), 41384#(<= main_~i~1 28), 41385#(<= main_~i~1 29), 41386#(<= main_~i~1 30), 41387#(<= main_~i~1 31)] [2018-04-13 00:06:54,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2832904 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 2830052 trivial. 0 not checked. [2018-04-13 00:06:54,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 00:06:54,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 00:06:54,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 00:06:54,680 INFO L87 Difference]: Start difference. First operand 554 states and 617 transitions. Second operand 34 states. [2018-04-13 00:06:55,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:06:55,034 INFO L93 Difference]: Finished difference Result 722 states and 755 transitions. [2018-04-13 00:06:55,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 00:06:55,034 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 6157 [2018-04-13 00:06:55,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:06:55,039 INFO L225 Difference]: With dead ends: 722 [2018-04-13 00:06:55,039 INFO L226 Difference]: Without dead ends: 722 [2018-04-13 00:06:55,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 00:06:55,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2018-04-13 00:06:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 565. [2018-04-13 00:06:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-13 00:06:55,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 630 transitions. [2018-04-13 00:06:55,046 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 630 transitions. Word has length 6157 [2018-04-13 00:06:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:06:55,048 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 630 transitions. [2018-04-13 00:06:55,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-13 00:06:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 630 transitions. [2018-04-13 00:06:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6356 [2018-04-13 00:06:55,184 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:06:55,185 INFO L355 BasicCegarLoop]: trace histogram [1024, 992, 992, 992, 992, 992, 33, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:06:55,185 INFO L408 AbstractCegarLoop]: === Iteration 68 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:06:55,185 INFO L82 PathProgramCache]: Analyzing trace with hash -261226251, now seen corresponding path program 62 times [2018-04-13 00:06:55,186 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:06:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:06:55,641 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:07:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 3018720 backedges. 126 proven. 185597 refuted. 0 times theorem prover too weak. 2832997 trivial. 0 not checked. [2018-04-13 00:07:07,720 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:07:07,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-13 00:07:07,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:07:07,722 INFO L134 CoverageAnalysis]: Checked inductivity of 95232 backedges. 0 proven. 5921 refuted. 0 times theorem prover too weak. 89311 trivial. 0 not checked. [2018-04-13 00:07:07,722 INFO L182 omatonBuilderFactory]: Interpolants [42688#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 11) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 42689#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 12) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42690#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 13) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 42691#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42692#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42693#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42694#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42695#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 18) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 42696#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 19) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42697#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42698#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42699#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42700#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42701#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42702#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 25) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 42703#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 26) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42704#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 27) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42705#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 28) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42706#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 29) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42707#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 30) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42708#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 31) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42709#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 42675#true, 42676#false, 42677#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 42678#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42679#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 2) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42680#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42681#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42682#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 5) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42683#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42684#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 7) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42685#(and (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 8) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))) (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size))), 42686#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 42687#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size)) (or (<= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:07:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3018720 backedges. 126 proven. 185597 refuted. 0 times theorem prover too weak. 2832997 trivial. 0 not checked. [2018-04-13 00:07:07,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-13 00:07:07,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-13 00:07:07,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2018-04-13 00:07:07,750 INFO L87 Difference]: Start difference. First operand 565 states and 630 transitions. Second operand 35 states. [2018-04-13 00:07:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:07:07,898 INFO L93 Difference]: Finished difference Result 578 states and 643 transitions. [2018-04-13 00:07:07,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-13 00:07:07,899 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 6355 [2018-04-13 00:07:07,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:07:07,901 INFO L225 Difference]: With dead ends: 578 [2018-04-13 00:07:07,901 INFO L226 Difference]: Without dead ends: 575 [2018-04-13 00:07:07,901 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2018-04-13 00:07:07,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-04-13 00:07:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 571. [2018-04-13 00:07:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-04-13 00:07:07,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 636 transitions. [2018-04-13 00:07:07,908 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 636 transitions. Word has length 6355 [2018-04-13 00:07:07,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:07:07,909 INFO L459 AbstractCegarLoop]: Abstraction has 571 states and 636 transitions. [2018-04-13 00:07:07,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-13 00:07:07,909 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 636 transitions. [2018-04-13 00:07:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6548 [2018-04-13 00:07:08,056 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:07:08,056 INFO L355 BasicCegarLoop]: trace histogram [1056, 1024, 1024, 1024, 1024, 1024, 33, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:07:08,056 INFO L408 AbstractCegarLoop]: === Iteration 69 === [__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr1RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr2RequiresViolation, __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__fooErr0AssertViolationARRAY_INDEX, mainErr1AssertViolationARRAY_INDEX, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0AssertViolationARRAY_INDEX]=== [2018-04-13 00:07:08,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1604921867, now seen corresponding path program 63 times [2018-04-13 00:07:08,057 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:07:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:07:08,804 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:07:20,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3214208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3214208 trivial. 0 not checked. [2018-04-13 00:07:20,187 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:07:20,188 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 00:07:20,188 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:07:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 98208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 98208 trivial. 0 not checked. [2018-04-13 00:07:20,189 INFO L182 omatonBuilderFactory]: Interpolants [43861#true, 43862#false, 43863#(= |#valid| |old(#valid)|), 43864#(= (store |#valid| |main_~#mask~0.base| 0) |old(#valid)|)] [2018-04-13 00:07:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3214208 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3214208 trivial. 0 not checked. [2018-04-13 00:07:20,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 00:07:20,216 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 00:07:20,216 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 00:07:20,216 INFO L87 Difference]: Start difference. First operand 571 states and 636 transitions. Second operand 4 states. [2018-04-13 00:07:20,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:07:20,247 INFO L93 Difference]: Finished difference Result 570 states and 635 transitions. [2018-04-13 00:07:20,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:07:20,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6547 [2018-04-13 00:07:20,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:07:20,250 INFO L225 Difference]: With dead ends: 570 [2018-04-13 00:07:20,251 INFO L226 Difference]: Without dead ends: 0 [2018-04-13 00:07:20,251 INFO L567 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 [2018-04-13 00:07:20,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-13 00:07:20,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-13 00:07:20,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-13 00:07:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-13 00:07:20,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6547 [2018-04-13 00:07:20,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:07:20,252 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-13 00:07:20,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 00:07:20,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-13 00:07:20,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-13 00:07:20,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 12:07:20 BoogieIcfgContainer [2018-04-13 00:07:20,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 00:07:20,257 INFO L168 Benchmark]: Toolchain (without parser) took 202296.27 ms. Allocated memory was 402.7 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 340.9 MB in the beginning and 1.4 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-04-13 00:07:20,258 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 402.7 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 00:07:20,258 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.49 ms. Allocated memory is still 402.7 MB. Free memory was 340.9 MB in the beginning and 330.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-04-13 00:07:20,258 INFO L168 Benchmark]: Boogie Preprocessor took 26.37 ms. Allocated memory is still 402.7 MB. Free memory was 330.3 MB in the beginning and 328.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-13 00:07:20,259 INFO L168 Benchmark]: RCFGBuilder took 214.57 ms. Allocated memory was 402.7 MB in the beginning and 617.1 MB in the end (delta: 214.4 MB). Free memory was 328.9 MB in the beginning and 581.0 MB in the end (delta: -252.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-04-13 00:07:20,259 INFO L168 Benchmark]: TraceAbstraction took 201913.31 ms. Allocated memory was 617.1 MB in the beginning and 2.8 GB in the end (delta: 2.2 GB). Free memory was 579.3 MB in the beginning and 1.4 GB in the end (delta: -785.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. [2018-04-13 00:07:20,260 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 402.7 MB. Free memory is still 365.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 139.49 ms. Allocated memory is still 402.7 MB. Free memory was 340.9 MB in the beginning and 330.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.37 ms. Allocated memory is still 402.7 MB. Free memory was 330.3 MB in the beginning and 328.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 214.57 ms. Allocated memory was 402.7 MB in the beginning and 617.1 MB in the end (delta: 214.4 MB). Free memory was 328.9 MB in the beginning and 581.0 MB in the end (delta: -252.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 201913.31 ms. Allocated memory was 617.1 MB in the beginning and 2.8 GB in the end (delta: 2.2 GB). Free memory was 579.3 MB in the beginning and 1.4 GB in the end (delta: -785.7 MB). Peak memory consumption was 1.4 GB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - PositiveResult [Line: 29]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - PositiveResult [Line: 21]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 26]: array index is always in bounds For all program executions holds that array index is always in bounds at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 46 locations, 6 error locations. SAFE Result, 201.8s OverallTime, 69 OverallIterations, 1056 TraceHistogramMax, 8.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2833 SDtfs, 9796 SDslu, 26172 SDs, 0 SdLazy, 15405 SolverSat, 1332 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1278 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 1145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 13.2s Time, 0.4s BasicInterpolantAutomatonTime, BiggestAbstraction: size=571occurred in iteration=68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 41414709/42996454 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 69 MinimizatonAttempts, 2999 StatesRemovedByMinimization, 66 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.8s SsaConstructionTime, 9.1s SatisfiabilityAnalysisTime, 36.9s InterpolantComputationTime, 148081 NumberOfCodeBlocks, 148081 NumberOfCodeBlocksAsserted, 69 NumberOfCheckSat, 148012 ConstructedInterpolants, 0 QuantifiedInterpolants, 767278256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 69 InterpolantComputations, 6 PerfectInterpolantSequences, 41414709/42996454 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/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_00-07-20-267.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength4_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_00-07-20-267.csv Received shutdown request...