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/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 00:11:07,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 00:11:07,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 00:11:07,053 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 00:11:07,053 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 00:11:07,054 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 00:11:07,054 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 00:11:07,056 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 00:11:07,058 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 00:11:07,059 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 00:11:07,059 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 00:11:07,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 00:11:07,060 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 00:11:07,061 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 00:11:07,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 00:11:07,064 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 00:11:07,065 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 00:11:07,066 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 00:11:07,068 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 00:11:07,068 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 00:11:07,070 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 00:11:07,070 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 00:11:07,071 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 00:11:07,071 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 00:11:07,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 00:11:07,073 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 00:11:07,073 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 00:11:07,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 00:11:07,074 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 00:11:07,075 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 00:11:07,075 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 00:11:07,075 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 00:11:07,086 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 00:11:07,086 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 00:11:07,087 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 00:11:07,087 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 00:11:07,087 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 00:11:07,088 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 00:11:07,088 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 00:11:07,088 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 00:11:07,088 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 00:11:07,088 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 00:11:07,088 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 00:11:07,089 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 00:11:07,089 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 00:11:07,089 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 00:11:07,089 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 00:11:07,089 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 00:11:07,089 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 00:11:07,089 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 00:11:07,090 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 00:11:07,090 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 00:11:07,090 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 00:11:07,090 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 00:11:07,120 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 00:11:07,130 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 00:11:07,133 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 00:11:07,134 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 00:11:07,135 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 00:11:07,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-04-13 00:11:07,433 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG44d31d3e1 [2018-04-13 00:11:07,542 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 00:11:07,543 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 00:11:07,543 INFO L168 CDTParser]: Scanning ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-04-13 00:11:07,544 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 00:11:07,544 INFO L215 ultiparseSymbolTable]: [2018-04-13 00:11:07,544 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 00:11:07,544 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-04-13 00:11:07,544 INFO L221 ultiparseSymbolTable]: Function definition of __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo ('foo') in ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-04-13 00:11:07,544 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 00:11:07,545 INFO L233 ultiparseSymbolTable]: [2018-04-13 00:11:07,557 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG44d31d3e1 [2018-04-13 00:11:07,560 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 00:11:07,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 00:11:07,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 00:11:07,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 00:11:07,567 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 00:11:07,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43eb5e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07, skipping insertion in model container [2018-04-13 00:11:07,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,585 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 00:11:07,596 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 00:11:07,701 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 00:11:07,721 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 00:11:07,726 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 9 non ball SCCs. Number of states in SCCs 9. [2018-04-13 00:11:07,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07 WrapperNode [2018-04-13 00:11:07,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 00:11:07,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 00:11:07,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 00:11:07,735 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 00:11:07,745 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (1/1) ... [2018-04-13 00:11:07,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 00:11:07,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 00:11:07,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 00:11:07,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 00:11:07,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (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 00:11:07,807 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 00:11:07,807 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 00:11:07,807 INFO L136 BoogieDeclarations]: Found implementation of procedure __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo [2018-04-13 00:11:07,807 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 00:11:07,808 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 00:11:07,809 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 00:11:08,014 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 00:11:08,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 12:11:08 BoogieIcfgContainer [2018-04-13 00:11:08,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 00:11:08,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 00:11:08,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 00:11:08,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 00:11:08,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 12:11:07" (1/3) ... [2018-04-13 00:11:08,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23733c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 12:11:08, skipping insertion in model container [2018-04-13 00:11:08,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 12:11:07" (2/3) ... [2018-04-13 00:11:08,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23733c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 12:11:08, skipping insertion in model container [2018-04-13 00:11:08,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 12:11:08" (3/3) ... [2018-04-13 00:11:08,021 INFO L107 eAbstractionObserver]: Analyzing ICFG ArraysOfVariableLength6_true-valid-memsafety_true-termination.c [2018-04-13 00:11:08,028 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-13 00:11:08,034 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-04-13 00:11:08,066 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 00:11:08,067 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 00:11:08,067 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 00:11:08,067 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-13 00:11:08,067 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-13 00:11:08,067 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 00:11:08,068 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 00:11:08,068 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 00:11:08,068 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 00:11:08,069 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 00:11:08,079 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-04-13 00:11:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-13 00:11:08,088 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,088 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:11:08,088 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 00:11:08,092 INFO L82 PathProgramCache]: Analyzing trace with hash -215054890, now seen corresponding path program 1 times [2018-04-13 00:11:08,126 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,160 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:08,213 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 00:11:08,215 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:11:08,216 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-04-13 00:11:08,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:08,217 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 00:11:08,217 INFO L182 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(= main_~i~1 0)] [2018-04-13 00:11:08,218 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 00:11:08,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-04-13 00:11:08,229 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-04-13 00:11:08,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-04-13 00:11:08,232 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 3 states. [2018-04-13 00:11:08,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:08,284 INFO L93 Difference]: Finished difference Result 63 states and 68 transitions. [2018-04-13 00:11:08,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-04-13 00:11:08,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-04-13 00:11:08,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:08,294 INFO L225 Difference]: With dead ends: 63 [2018-04-13 00:11:08,294 INFO L226 Difference]: Without dead ends: 59 [2018-04-13 00:11:08,296 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 00:11:08,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-13 00:11:08,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 49. [2018-04-13 00:11:08,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-13 00:11:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 52 transitions. [2018-04-13 00:11:08,326 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 52 transitions. Word has length 11 [2018-04-13 00:11:08,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:08,326 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 52 transitions. [2018-04-13 00:11:08,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-04-13 00:11:08,326 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-04-13 00:11:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-13 00:11:08,327 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,327 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 00:11:08,327 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 00:11:08,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1100032001, now seen corresponding path program 1 times [2018-04-13 00:11:08,328 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,345 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:08,397 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 00:11:08,397 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:11:08,397 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 00:11:08,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:08,398 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 00:11:08,398 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 00:11:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 00:11:08,400 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:11:08,400 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:11:08,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:11:08,401 INFO L87 Difference]: Start difference. First operand 49 states and 52 transitions. Second operand 5 states. [2018-04-13 00:11:08,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:08,463 INFO L93 Difference]: Finished difference Result 57 states and 60 transitions. [2018-04-13 00:11:08,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 00:11:08,464 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-13 00:11:08,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:08,465 INFO L225 Difference]: With dead ends: 57 [2018-04-13 00:11:08,465 INFO L226 Difference]: Without dead ends: 57 [2018-04-13 00:11:08,466 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 00:11:08,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-13 00:11:08,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2018-04-13 00:11:08,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-13 00:11:08,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 55 transitions. [2018-04-13 00:11:08,471 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 55 transitions. Word has length 16 [2018-04-13 00:11:08,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:08,472 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 55 transitions. [2018-04-13 00:11:08,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:11:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2018-04-13 00:11:08,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-13 00:11:08,472 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,473 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 00:11:08,473 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 00:11:08,473 INFO L82 PathProgramCache]: Analyzing trace with hash -258746290, now seen corresponding path program 1 times [2018-04-13 00:11:08,474 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,489 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:08,559 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 00:11:08,559 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:11:08,560 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-04-13 00:11:08,560 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:08,560 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 00:11:08,560 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| main_~c~0.base)) (= 0 main_~c~0.offset)), 284#(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|)), 285#(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))), 286#(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 00:11:08,560 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 00:11:08,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:11:08,561 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:11:08,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:11:08,561 INFO L87 Difference]: Start difference. First operand 52 states and 55 transitions. Second operand 7 states. [2018-04-13 00:11:08,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:08,691 INFO L93 Difference]: Finished difference Result 51 states and 54 transitions. [2018-04-13 00:11:08,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 00:11:08,692 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-04-13 00:11:08,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:08,693 INFO L225 Difference]: With dead ends: 51 [2018-04-13 00:11:08,693 INFO L226 Difference]: Without dead ends: 51 [2018-04-13 00:11:08,694 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:11:08,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-13 00:11:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-13 00:11:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-13 00:11:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2018-04-13 00:11:08,698 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 17 [2018-04-13 00:11:08,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:08,698 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2018-04-13 00:11:08,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:11:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-04-13 00:11:08,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-13 00:11:08,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,699 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 00:11:08,699 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 00:11:08,700 INFO L82 PathProgramCache]: Analyzing trace with hash -258746291, now seen corresponding path program 1 times [2018-04-13 00:11:08,701 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,708 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:08,743 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 00:11:08,743 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:11:08,743 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 00:11:08,743 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:08,744 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 00:11:08,744 INFO L182 omatonBuilderFactory]: Interpolants [400#(= 1 (select |#valid| __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~b.base)), 395#true, 396#false, 397#(= 1 (select |#valid| |main_~#mask~0.base|)), 398#(= 1 (select |#valid| main_~c~0.base)), 399#(= 1 (select |#valid| |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~b.base|))] [2018-04-13 00:11:08,744 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 00:11:08,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 00:11:08,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 00:11:08,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:11:08,745 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand 6 states. [2018-04-13 00:11:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:08,783 INFO L93 Difference]: Finished difference Result 50 states and 53 transitions. [2018-04-13 00:11:08,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:11:08,783 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-13 00:11:08,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:08,784 INFO L225 Difference]: With dead ends: 50 [2018-04-13 00:11:08,784 INFO L226 Difference]: Without dead ends: 50 [2018-04-13 00:11:08,784 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:11:08,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-13 00:11:08,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-13 00:11:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-13 00:11:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2018-04-13 00:11:08,787 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 17 [2018-04-13 00:11:08,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:08,787 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2018-04-13 00:11:08,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 00:11:08,788 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-04-13 00:11:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-13 00:11:08,788 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,788 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 00:11:08,788 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 00:11:08,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1933852231, now seen corresponding path program 1 times [2018-04-13 00:11:08,789 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,797 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:08,852 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 00:11:08,852 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:08,853 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 00:11:08,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:08,853 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 00:11:08,853 INFO L182 omatonBuilderFactory]: Interpolants [505#true, 506#false, 507#(= 32 |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size|), 508#(= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32), 509#(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)), 510#(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)), 511#(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 00:11:08,854 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 00:11:08,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:11:08,854 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:11:08,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:11:08,855 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand 7 states. [2018-04-13 00:11:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:08,905 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2018-04-13 00:11:08,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:11:08,905 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-04-13 00:11:08,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:08,905 INFO L225 Difference]: With dead ends: 52 [2018-04-13 00:11:08,906 INFO L226 Difference]: Without dead ends: 52 [2018-04-13 00:11:08,906 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 00:11:08,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-13 00:11:08,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-04-13 00:11:08,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-13 00:11:08,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 51 transitions. [2018-04-13 00:11:08,909 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 51 transitions. Word has length 22 [2018-04-13 00:11:08,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:08,909 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 51 transitions. [2018-04-13 00:11:08,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:11:08,909 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-04-13 00:11:08,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 00:11:08,909 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,910 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 00:11:08,910 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 00:11:08,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1693854175, now seen corresponding path program 1 times [2018-04-13 00:11:08,910 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,919 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:08,943 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 00:11:08,943 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:11:08,944 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-13 00:11:08,944 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:08,944 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 00:11:08,944 INFO L182 omatonBuilderFactory]: Interpolants [618#true, 619#false, 620#(<= 0 main_~i~1), 621#(<= 1 main_~i~1), 622#(and (<= main_~i~1 31) (<= 1 main_~i~1))] [2018-04-13 00:11:08,944 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 00:11:08,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:11:08,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:11:08,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:11:08,945 INFO L87 Difference]: Start difference. First operand 48 states and 51 transitions. Second operand 5 states. [2018-04-13 00:11:08,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:08,971 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-04-13 00:11:08,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:11:08,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2018-04-13 00:11:08,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:08,972 INFO L225 Difference]: With dead ends: 58 [2018-04-13 00:11:08,972 INFO L226 Difference]: Without dead ends: 58 [2018-04-13 00:11:08,972 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 00:11:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-13 00:11:08,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 44. [2018-04-13 00:11:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-13 00:11:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2018-04-13 00:11:08,974 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 29 [2018-04-13 00:11:08,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:08,975 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2018-04-13 00:11:08,975 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:11:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-04-13 00:11:08,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-13 00:11:08,975 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:08,975 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 00:11:08,975 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 00:11:08,976 INFO L82 PathProgramCache]: Analyzing trace with hash 1643098334, now seen corresponding path program 1 times [2018-04-13 00:11:08,976 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:08,986 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,016 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 00:11:09,016 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,016 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-04-13 00:11:09,016 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,016 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 00:11:09,017 INFO L182 omatonBuilderFactory]: Interpolants [725#true, 726#false, 727#(= main_~i~1 0), 728#(<= main_~i~1 1)] [2018-04-13 00:11:09,017 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 00:11:09,017 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 00:11:09,017 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 00:11:09,017 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-04-13 00:11:09,017 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand 4 states. [2018-04-13 00:11:09,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,052 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-04-13 00:11:09,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-04-13 00:11:09,053 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-04-13 00:11:09,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,053 INFO L225 Difference]: With dead ends: 72 [2018-04-13 00:11:09,054 INFO L226 Difference]: Without dead ends: 72 [2018-04-13 00:11:09,054 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 00:11:09,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-13 00:11:09,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2018-04-13 00:11:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-13 00:11:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 60 transitions. [2018-04-13 00:11:09,058 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 60 transitions. Word has length 37 [2018-04-13 00:11:09,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:09,059 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 60 transitions. [2018-04-13 00:11:09,059 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 00:11:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 60 transitions. [2018-04-13 00:11:09,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-13 00:11:09,061 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:09,061 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 00:11:09,061 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 00:11:09,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1953764441, now seen corresponding path program 2 times [2018-04-13 00:11:09,062 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:09,077 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,138 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 00:11:09,138 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,138 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-13 00:11:09,138 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,138 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 00:11:09,139 INFO L182 omatonBuilderFactory]: Interpolants [856#true, 857#false, 858#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 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)), 859#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 860#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:09,139 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 00:11:09,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:11:09,139 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:11:09,139 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:11:09,140 INFO L87 Difference]: Start difference. First operand 55 states and 60 transitions. Second operand 5 states. [2018-04-13 00:11:09,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,193 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-04-13 00:11:09,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:11:09,193 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2018-04-13 00:11:09,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,194 INFO L225 Difference]: With dead ends: 68 [2018-04-13 00:11:09,194 INFO L226 Difference]: Without dead ends: 65 [2018-04-13 00:11:09,194 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 00:11:09,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-13 00:11:09,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 61. [2018-04-13 00:11:09,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-13 00:11:09,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 66 transitions. [2018-04-13 00:11:09,198 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 66 transitions. Word has length 55 [2018-04-13 00:11:09,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:09,198 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 66 transitions. [2018-04-13 00:11:09,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:11:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 66 transitions. [2018-04-13 00:11:09,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-13 00:11:09,199 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:09,199 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 00:11:09,199 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 00:11:09,200 INFO L82 PathProgramCache]: Analyzing trace with hash -81663113, now seen corresponding path program 3 times [2018-04-13 00:11:09,200 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:09,214 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,254 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 00:11:09,254 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,254 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-04-13 00:11:09,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,254 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 00:11:09,254 INFO L182 omatonBuilderFactory]: Interpolants [992#true, 993#false, 994#(= main_~i~1 0), 995#(<= main_~i~1 1), 996#(<= main_~i~1 2)] [2018-04-13 00:11:09,255 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 00:11:09,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-13 00:11:09,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-13 00:11:09,255 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-04-13 00:11:09,255 INFO L87 Difference]: Start difference. First operand 61 states and 66 transitions. Second operand 5 states. [2018-04-13 00:11:09,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,289 INFO L93 Difference]: Finished difference Result 94 states and 100 transitions. [2018-04-13 00:11:09,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:11:09,290 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2018-04-13 00:11:09,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,290 INFO L225 Difference]: With dead ends: 94 [2018-04-13 00:11:09,290 INFO L226 Difference]: Without dead ends: 94 [2018-04-13 00:11:09,291 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 00:11:09,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-13 00:11:09,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 72. [2018-04-13 00:11:09,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-13 00:11:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 79 transitions. [2018-04-13 00:11:09,294 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 79 transitions. Word has length 67 [2018-04-13 00:11:09,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:09,294 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 79 transitions. [2018-04-13 00:11:09,294 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-13 00:11:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2018-04-13 00:11:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-13 00:11:09,295 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:09,295 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 00:11:09,295 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 00:11:09,295 INFO L82 PathProgramCache]: Analyzing trace with hash -33793592, now seen corresponding path program 4 times [2018-04-13 00:11:09,295 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:09,312 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,398 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 00:11:09,398 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,399 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 00:11:09,400 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,400 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 00:11:09,400 INFO L182 omatonBuilderFactory]: Interpolants [1168#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 1163#true, 1164#false, 1165#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 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)), 1166#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 1167#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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 00:11:09,400 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 00:11:09,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 00:11:09,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 00:11:09,401 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:11:09,401 INFO L87 Difference]: Start difference. First operand 72 states and 79 transitions. Second operand 6 states. [2018-04-13 00:11:09,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,464 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2018-04-13 00:11:09,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:11:09,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-04-13 00:11:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,467 INFO L225 Difference]: With dead ends: 85 [2018-04-13 00:11:09,467 INFO L226 Difference]: Without dead ends: 82 [2018-04-13 00:11:09,468 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 00:11:09,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-13 00:11:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2018-04-13 00:11:09,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-13 00:11:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2018-04-13 00:11:09,472 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 91 [2018-04-13 00:11:09,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:09,472 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2018-04-13 00:11:09,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 00:11:09,472 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2018-04-13 00:11:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-04-13 00:11:09,473 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:09,474 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 00:11:09,474 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 00:11:09,474 INFO L82 PathProgramCache]: Analyzing trace with hash -913746080, now seen corresponding path program 5 times [2018-04-13 00:11:09,475 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:09,492 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,531 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 00:11:09,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,532 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-13 00:11:09,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,532 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 00:11:09,532 INFO L182 omatonBuilderFactory]: Interpolants [1334#true, 1335#false, 1336#(= main_~i~1 0), 1337#(<= main_~i~1 1), 1338#(<= main_~i~1 2), 1339#(<= main_~i~1 3)] [2018-04-13 00:11:09,533 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 00:11:09,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 00:11:09,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 00:11:09,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-04-13 00:11:09,533 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand 6 states. [2018-04-13 00:11:09,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,611 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2018-04-13 00:11:09,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 00:11:09,611 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-04-13 00:11:09,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,612 INFO L225 Difference]: With dead ends: 116 [2018-04-13 00:11:09,612 INFO L226 Difference]: Without dead ends: 116 [2018-04-13 00:11:09,612 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 00:11:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-04-13 00:11:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 89. [2018-04-13 00:11:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-13 00:11:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2018-04-13 00:11:09,615 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 109 [2018-04-13 00:11:09,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:09,616 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2018-04-13 00:11:09,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 00:11:09,616 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2018-04-13 00:11:09,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-04-13 00:11:09,617 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:09,617 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 00:11:09,617 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 00:11:09,617 INFO L82 PathProgramCache]: Analyzing trace with hash 969284025, now seen corresponding path program 6 times [2018-04-13 00:11:09,617 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:09,638 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,767 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 00:11:09,767 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,768 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-13 00:11:09,768 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,768 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 00:11:09,768 INFO L182 omatonBuilderFactory]: Interpolants [1545#true, 1546#false, 1547#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 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)), 1548#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 1549#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 1550#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 1551#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:09,769 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 00:11:09,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:11:09,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:11:09,769 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:11:09,769 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand 7 states. [2018-04-13 00:11:09,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,825 INFO L93 Difference]: Finished difference Result 102 states and 111 transitions. [2018-04-13 00:11:09,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 00:11:09,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-04-13 00:11:09,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,827 INFO L225 Difference]: With dead ends: 102 [2018-04-13 00:11:09,827 INFO L226 Difference]: Without dead ends: 99 [2018-04-13 00:11:09,828 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 00:11:09,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-04-13 00:11:09,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2018-04-13 00:11:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-13 00:11:09,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2018-04-13 00:11:09,833 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 139 [2018-04-13 00:11:09,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:09,833 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2018-04-13 00:11:09,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:11:09,833 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-04-13 00:11:09,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-04-13 00:11:09,835 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:09,835 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 00:11:09,835 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 00:11:09,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1862037927, now seen corresponding path program 7 times [2018-04-13 00:11:09,836 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:09,856 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:09,925 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 00:11:09,925 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:09,925 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-13 00:11:09,925 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:09,926 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 00:11:09,926 INFO L182 omatonBuilderFactory]: Interpolants [1751#true, 1752#false, 1753#(= main_~i~1 0), 1754#(<= main_~i~1 1), 1755#(<= main_~i~1 2), 1756#(<= main_~i~1 3), 1757#(<= main_~i~1 4)] [2018-04-13 00:11:09,926 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 00:11:09,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 00:11:09,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 00:11:09,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-04-13 00:11:09,927 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand 7 states. [2018-04-13 00:11:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:09,997 INFO L93 Difference]: Finished difference Result 138 states and 146 transitions. [2018-04-13 00:11:09,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 00:11:09,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2018-04-13 00:11:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:09,999 INFO L225 Difference]: With dead ends: 138 [2018-04-13 00:11:09,999 INFO L226 Difference]: Without dead ends: 138 [2018-04-13 00:11:09,999 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 00:11:10,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-04-13 00:11:10,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 106. [2018-04-13 00:11:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-04-13 00:11:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2018-04-13 00:11:10,004 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 163 [2018-04-13 00:11:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:10,005 INFO L459 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2018-04-13 00:11:10,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 00:11:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2018-04-13 00:11:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-04-13 00:11:10,007 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:10,007 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 00:11:10,008 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 00:11:10,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1319247558, now seen corresponding path program 8 times [2018-04-13 00:11:10,008 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:10,032 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:10,201 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 00:11:10,201 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:10,201 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 00:11:10,202 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:10,202 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 00:11:10,202 INFO L182 omatonBuilderFactory]: Interpolants [2002#true, 2003#false, 2004#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 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)), 2005#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2006#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2007#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2008#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2009#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:10,203 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 00:11:10,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 00:11:10,203 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 00:11:10,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:11:10,203 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand 8 states. [2018-04-13 00:11:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:10,280 INFO L93 Difference]: Finished difference Result 119 states and 130 transitions. [2018-04-13 00:11:10,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 00:11:10,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2018-04-13 00:11:10,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:10,281 INFO L225 Difference]: With dead ends: 119 [2018-04-13 00:11:10,281 INFO L226 Difference]: Without dead ends: 116 [2018-04-13 00:11:10,281 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 00:11:10,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-04-13 00:11:10,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2018-04-13 00:11:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-04-13 00:11:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2018-04-13 00:11:10,285 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 199 [2018-04-13 00:11:10,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:10,285 INFO L459 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2018-04-13 00:11:10,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 00:11:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2018-04-13 00:11:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-04-13 00:11:10,288 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:10,289 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 00:11:10,289 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 00:11:10,289 INFO L82 PathProgramCache]: Analyzing trace with hash 125993506, now seen corresponding path program 9 times [2018-04-13 00:11:10,289 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:10,317 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:10,402 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 00:11:10,402 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:10,402 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 00:11:10,402 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:10,402 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 00:11:10,402 INFO L182 omatonBuilderFactory]: Interpolants [2243#true, 2244#false, 2245#(= main_~i~1 0), 2246#(<= main_~i~1 1), 2247#(<= main_~i~1 2), 2248#(<= main_~i~1 3), 2249#(<= main_~i~1 4), 2250#(<= main_~i~1 5)] [2018-04-13 00:11:10,403 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 00:11:10,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 00:11:10,403 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 00:11:10,411 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-04-13 00:11:10,412 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand 8 states. [2018-04-13 00:11:10,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:10,473 INFO L93 Difference]: Finished difference Result 160 states and 169 transitions. [2018-04-13 00:11:10,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 00:11:10,474 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2018-04-13 00:11:10,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:10,475 INFO L225 Difference]: With dead ends: 160 [2018-04-13 00:11:10,475 INFO L226 Difference]: Without dead ends: 160 [2018-04-13 00:11:10,476 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 00:11:10,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-04-13 00:11:10,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 123. [2018-04-13 00:11:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-04-13 00:11:10,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 136 transitions. [2018-04-13 00:11:10,479 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 136 transitions. Word has length 229 [2018-04-13 00:11:10,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:10,479 INFO L459 AbstractCegarLoop]: Abstraction has 123 states and 136 transitions. [2018-04-13 00:11:10,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 00:11:10,479 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 136 transitions. [2018-04-13 00:11:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-04-13 00:11:10,481 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:10,482 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 00:11:10,482 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 00:11:10,482 INFO L82 PathProgramCache]: Analyzing trace with hash 2046000651, now seen corresponding path program 10 times [2018-04-13 00:11:10,482 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:10,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:10,506 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:10,701 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 00:11:10,701 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:10,701 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-13 00:11:10,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:10,702 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 00:11:10,702 INFO L182 omatonBuilderFactory]: Interpolants [2534#true, 2535#false, 2536#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 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)), 2537#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2538#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2539#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2540#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2541#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 2542#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:10,702 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 00:11:10,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 00:11:10,703 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 00:11:10,703 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-04-13 00:11:10,703 INFO L87 Difference]: Start difference. First operand 123 states and 136 transitions. Second operand 9 states. [2018-04-13 00:11:10,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:10,753 INFO L93 Difference]: Finished difference Result 136 states and 149 transitions. [2018-04-13 00:11:10,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 00:11:10,753 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 271 [2018-04-13 00:11:10,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:10,754 INFO L225 Difference]: With dead ends: 136 [2018-04-13 00:11:10,754 INFO L226 Difference]: Without dead ends: 133 [2018-04-13 00:11:10,754 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 00:11:10,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-04-13 00:11:10,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2018-04-13 00:11:10,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-04-13 00:11:10,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 142 transitions. [2018-04-13 00:11:10,756 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 142 transitions. Word has length 271 [2018-04-13 00:11:10,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:10,757 INFO L459 AbstractCegarLoop]: Abstraction has 129 states and 142 transitions. [2018-04-13 00:11:10,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 00:11:10,757 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2018-04-13 00:11:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-04-13 00:11:10,758 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:10,758 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 00:11:10,758 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 00:11:10,758 INFO L82 PathProgramCache]: Analyzing trace with hash -416957317, now seen corresponding path program 11 times [2018-04-13 00:11:10,759 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:10,783 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:10,881 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 00:11:10,882 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:10,882 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-13 00:11:10,882 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:10,882 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 00:11:10,882 INFO L182 omatonBuilderFactory]: Interpolants [2816#(<= main_~i~1 4), 2817#(<= main_~i~1 5), 2818#(<= main_~i~1 6), 2810#true, 2811#false, 2812#(= main_~i~1 0), 2813#(<= main_~i~1 1), 2814#(<= main_~i~1 2), 2815#(<= main_~i~1 3)] [2018-04-13 00:11:10,883 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 00:11:10,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 00:11:10,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 00:11:10,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-04-13 00:11:10,883 INFO L87 Difference]: Start difference. First operand 129 states and 142 transitions. Second operand 9 states. [2018-04-13 00:11:10,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:10,946 INFO L93 Difference]: Finished difference Result 182 states and 192 transitions. [2018-04-13 00:11:10,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 00:11:10,946 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 307 [2018-04-13 00:11:10,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:10,947 INFO L225 Difference]: With dead ends: 182 [2018-04-13 00:11:10,947 INFO L226 Difference]: Without dead ends: 182 [2018-04-13 00:11:10,948 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 00:11:10,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-04-13 00:11:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 140. [2018-04-13 00:11:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-04-13 00:11:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 155 transitions. [2018-04-13 00:11:10,950 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 155 transitions. Word has length 307 [2018-04-13 00:11:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:10,950 INFO L459 AbstractCegarLoop]: Abstraction has 140 states and 155 transitions. [2018-04-13 00:11:10,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 00:11:10,951 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 155 transitions. [2018-04-13 00:11:10,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-04-13 00:11:10,952 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:10,952 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 00:11:10,952 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 00:11:10,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1766255124, now seen corresponding path program 12 times [2018-04-13 00:11:10,953 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:10,984 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:11,232 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 00:11:11,232 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:11,232 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 00:11:11,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:11,232 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 00:11:11,233 INFO L182 omatonBuilderFactory]: Interpolants [3141#true, 3142#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 3144#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3145#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3146#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3147#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3148#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3149#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3150#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:11,234 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 00:11:11,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 00:11:11,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 00:11:11,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:11:11,234 INFO L87 Difference]: Start difference. First operand 140 states and 155 transitions. Second operand 10 states. [2018-04-13 00:11:11,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:11,294 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2018-04-13 00:11:11,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 00:11:11,295 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 355 [2018-04-13 00:11:11,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:11,296 INFO L225 Difference]: With dead ends: 153 [2018-04-13 00:11:11,296 INFO L226 Difference]: Without dead ends: 150 [2018-04-13 00:11:11,296 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 00:11:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-04-13 00:11:11,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 146. [2018-04-13 00:11:11,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-04-13 00:11:11,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2018-04-13 00:11:11,300 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 355 [2018-04-13 00:11:11,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:11,300 INFO L459 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2018-04-13 00:11:11,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 00:11:11,300 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2018-04-13 00:11:11,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-04-13 00:11:11,301 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:11,301 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 00:11:11,301 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 00:11:11,302 INFO L82 PathProgramCache]: Analyzing trace with hash 1901043492, now seen corresponding path program 13 times [2018-04-13 00:11:11,303 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:11,330 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:11,452 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 00:11:11,452 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:11,452 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 00:11:11,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:11,453 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 00:11:11,453 INFO L182 omatonBuilderFactory]: Interpolants [3456#(<= main_~i~1 2), 3457#(<= main_~i~1 3), 3458#(<= main_~i~1 4), 3459#(<= main_~i~1 5), 3460#(<= main_~i~1 6), 3461#(<= main_~i~1 7), 3452#true, 3453#false, 3454#(= main_~i~1 0), 3455#(<= main_~i~1 1)] [2018-04-13 00:11:11,455 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 00:11:11,455 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 00:11:11,455 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 00:11:11,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-04-13 00:11:11,456 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand 10 states. [2018-04-13 00:11:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:11,562 INFO L93 Difference]: Finished difference Result 204 states and 215 transitions. [2018-04-13 00:11:11,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 00:11:11,562 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 397 [2018-04-13 00:11:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:11,564 INFO L225 Difference]: With dead ends: 204 [2018-04-13 00:11:11,564 INFO L226 Difference]: Without dead ends: 204 [2018-04-13 00:11:11,564 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 00:11:11,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-04-13 00:11:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 157. [2018-04-13 00:11:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-04-13 00:11:11,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 174 transitions. [2018-04-13 00:11:11,570 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 174 transitions. Word has length 397 [2018-04-13 00:11:11,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:11,570 INFO L459 AbstractCegarLoop]: Abstraction has 157 states and 174 transitions. [2018-04-13 00:11:11,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 00:11:11,570 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2018-04-13 00:11:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2018-04-13 00:11:11,573 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:11,573 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 00:11:11,573 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 00:11:11,573 INFO L82 PathProgramCache]: Analyzing trace with hash 319186589, now seen corresponding path program 14 times [2018-04-13 00:11:11,574 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:11,613 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:11,983 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 00:11:11,983 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:11,983 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 00:11:11,983 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:11,984 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 00:11:11,984 INFO L182 omatonBuilderFactory]: Interpolants [3824#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 3827#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3828#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3829#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3830#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3831#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3832#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 3833#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 3823#true] [2018-04-13 00:11:11,985 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 00:11:11,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 00:11:11,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 00:11:11,985 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2018-04-13 00:11:11,985 INFO L87 Difference]: Start difference. First operand 157 states and 174 transitions. Second operand 11 states. [2018-04-13 00:11:12,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:12,044 INFO L93 Difference]: Finished difference Result 170 states and 187 transitions. [2018-04-13 00:11:12,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 00:11:12,045 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 451 [2018-04-13 00:11:12,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:12,045 INFO L225 Difference]: With dead ends: 170 [2018-04-13 00:11:12,045 INFO L226 Difference]: Without dead ends: 167 [2018-04-13 00:11:12,046 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:11:12,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-04-13 00:11:12,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2018-04-13 00:11:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-04-13 00:11:12,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2018-04-13 00:11:12,048 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 451 [2018-04-13 00:11:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:12,049 INFO L459 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2018-04-13 00:11:12,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 00:11:12,049 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2018-04-13 00:11:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-04-13 00:11:12,050 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:12,050 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 00:11:12,051 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 00:11:12,051 INFO L82 PathProgramCache]: Analyzing trace with hash -702635043, now seen corresponding path program 15 times [2018-04-13 00:11:12,051 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:12,077 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:12,243 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 00:11:12,243 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:12,244 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-13 00:11:12,244 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:12,244 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 00:11:12,244 INFO L182 omatonBuilderFactory]: Interpolants [4176#(<= main_~i~1 5), 4177#(<= main_~i~1 6), 4178#(<= main_~i~1 7), 4179#(<= main_~i~1 8), 4169#true, 4170#false, 4171#(= main_~i~1 0), 4172#(<= main_~i~1 1), 4173#(<= main_~i~1 2), 4174#(<= main_~i~1 3), 4175#(<= main_~i~1 4)] [2018-04-13 00:11:12,245 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 00:11:12,245 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-13 00:11:12,245 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-13 00:11:12,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-04-13 00:11:12,245 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 11 states. [2018-04-13 00:11:12,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:12,346 INFO L93 Difference]: Finished difference Result 226 states and 238 transitions. [2018-04-13 00:11:12,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-13 00:11:12,346 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 499 [2018-04-13 00:11:12,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:12,347 INFO L225 Difference]: With dead ends: 226 [2018-04-13 00:11:12,348 INFO L226 Difference]: Without dead ends: 226 [2018-04-13 00:11:12,348 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 00:11:12,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-04-13 00:11:12,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 174. [2018-04-13 00:11:12,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-04-13 00:11:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2018-04-13 00:11:12,351 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 499 [2018-04-13 00:11:12,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:12,352 INFO L459 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2018-04-13 00:11:12,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-13 00:11:12,352 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2018-04-13 00:11:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-04-13 00:11:12,354 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:12,354 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 00:11:12,354 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 00:11:12,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1002440158, now seen corresponding path program 16 times [2018-04-13 00:11:12,355 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:12,383 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:12,693 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 00:11:12,693 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:12,694 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 00:11:12,694 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:12,694 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 00:11:12,694 INFO L182 omatonBuilderFactory]: Interpolants [4580#true, 4581#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 4585#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 4586#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 4587#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 4588#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 4589#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 4590#(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))), 4591#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:12,696 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 00:11:12,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 00:11:12,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 00:11:12,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:11:12,697 INFO L87 Difference]: Start difference. First operand 174 states and 193 transitions. Second operand 12 states. [2018-04-13 00:11:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:12,774 INFO L93 Difference]: Finished difference Result 187 states and 206 transitions. [2018-04-13 00:11:12,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 00:11:12,777 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 559 [2018-04-13 00:11:12,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:12,777 INFO L225 Difference]: With dead ends: 187 [2018-04-13 00:11:12,777 INFO L226 Difference]: Without dead ends: 184 [2018-04-13 00:11:12,778 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 00:11:12,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-04-13 00:11:12,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 180. [2018-04-13 00:11:12,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-04-13 00:11:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 199 transitions. [2018-04-13 00:11:12,783 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 199 transitions. Word has length 559 [2018-04-13 00:11:12,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:12,783 INFO L459 AbstractCegarLoop]: Abstraction has 180 states and 199 transitions. [2018-04-13 00:11:12,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 00:11:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 199 transitions. [2018-04-13 00:11:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614 [2018-04-13 00:11:12,787 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:12,787 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 00:11:12,787 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 00:11:12,788 INFO L82 PathProgramCache]: Analyzing trace with hash -978150298, now seen corresponding path program 17 times [2018-04-13 00:11:12,788 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:12,839 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:13,116 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 00:11:13,116 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:13,116 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-13 00:11:13,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:13,117 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 00:11:13,117 INFO L182 omatonBuilderFactory]: Interpolants [4961#true, 4962#false, 4963#(= main_~i~1 0), 4964#(<= main_~i~1 1), 4965#(<= main_~i~1 2), 4966#(<= main_~i~1 3), 4967#(<= main_~i~1 4), 4968#(<= main_~i~1 5), 4969#(<= main_~i~1 6), 4970#(<= main_~i~1 7), 4971#(<= main_~i~1 8), 4972#(<= main_~i~1 9)] [2018-04-13 00:11:13,118 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 00:11:13,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-13 00:11:13,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-13 00:11:13,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-04-13 00:11:13,118 INFO L87 Difference]: Start difference. First operand 180 states and 199 transitions. Second operand 12 states. [2018-04-13 00:11:13,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:13,261 INFO L93 Difference]: Finished difference Result 248 states and 261 transitions. [2018-04-13 00:11:13,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-13 00:11:13,261 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 613 [2018-04-13 00:11:13,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:13,263 INFO L225 Difference]: With dead ends: 248 [2018-04-13 00:11:13,263 INFO L226 Difference]: Without dead ends: 248 [2018-04-13 00:11:13,263 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 00:11:13,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-04-13 00:11:13,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 191. [2018-04-13 00:11:13,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-04-13 00:11:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 212 transitions. [2018-04-13 00:11:13,269 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 212 transitions. Word has length 613 [2018-04-13 00:11:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:13,269 INFO L459 AbstractCegarLoop]: Abstraction has 191 states and 212 transitions. [2018-04-13 00:11:13,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-13 00:11:13,270 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 212 transitions. [2018-04-13 00:11:13,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2018-04-13 00:11:13,274 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:13,274 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 00:11:13,274 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 00:11:13,275 INFO L82 PathProgramCache]: Analyzing trace with hash 711631215, now seen corresponding path program 18 times [2018-04-13 00:11:13,275 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:13,357 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:13,943 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 00:11:13,943 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:13,943 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 00:11:13,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:13,944 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 00:11:13,944 INFO L182 omatonBuilderFactory]: Interpolants [5412#true, 5413#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 5418#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 5419#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 5420#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 5421#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 5422#(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))), 5423#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 5424#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:13,944 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 00:11:13,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 00:11:13,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 00:11:13,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2018-04-13 00:11:13,945 INFO L87 Difference]: Start difference. First operand 191 states and 212 transitions. Second operand 13 states. [2018-04-13 00:11:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:14,017 INFO L93 Difference]: Finished difference Result 204 states and 225 transitions. [2018-04-13 00:11:14,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 00:11:14,017 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 679 [2018-04-13 00:11:14,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:14,018 INFO L225 Difference]: With dead ends: 204 [2018-04-13 00:11:14,018 INFO L226 Difference]: Without dead ends: 201 [2018-04-13 00:11:14,018 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:11:14,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-04-13 00:11:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 197. [2018-04-13 00:11:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-04-13 00:11:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 218 transitions. [2018-04-13 00:11:14,021 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 218 transitions. Word has length 679 [2018-04-13 00:11:14,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:14,021 INFO L459 AbstractCegarLoop]: Abstraction has 197 states and 218 transitions. [2018-04-13 00:11:14,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 00:11:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 218 transitions. [2018-04-13 00:11:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 740 [2018-04-13 00:11:14,024 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:14,025 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 00:11:14,025 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 00:11:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1834618241, now seen corresponding path program 19 times [2018-04-13 00:11:14,025 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:14,062 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:14,418 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 00:11:14,418 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:14,418 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-13 00:11:14,419 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:14,419 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 00:11:14,419 INFO L182 omatonBuilderFactory]: Interpolants [5828#true, 5829#false, 5830#(= main_~i~1 0), 5831#(<= main_~i~1 1), 5832#(<= main_~i~1 2), 5833#(<= main_~i~1 3), 5834#(<= main_~i~1 4), 5835#(<= main_~i~1 5), 5836#(<= main_~i~1 6), 5837#(<= main_~i~1 7), 5838#(<= main_~i~1 8), 5839#(<= main_~i~1 9), 5840#(<= main_~i~1 10)] [2018-04-13 00:11:14,420 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 00:11:14,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-13 00:11:14,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-13 00:11:14,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-04-13 00:11:14,421 INFO L87 Difference]: Start difference. First operand 197 states and 218 transitions. Second operand 13 states. [2018-04-13 00:11:14,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:14,526 INFO L93 Difference]: Finished difference Result 270 states and 284 transitions. [2018-04-13 00:11:14,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-13 00:11:14,527 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 739 [2018-04-13 00:11:14,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:14,529 INFO L225 Difference]: With dead ends: 270 [2018-04-13 00:11:14,529 INFO L226 Difference]: Without dead ends: 270 [2018-04-13 00:11:14,530 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 00:11:14,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2018-04-13 00:11:14,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 208. [2018-04-13 00:11:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-04-13 00:11:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 231 transitions. [2018-04-13 00:11:14,535 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 231 transitions. Word has length 739 [2018-04-13 00:11:14,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:14,535 INFO L459 AbstractCegarLoop]: Abstraction has 208 states and 231 transitions. [2018-04-13 00:11:14,535 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-13 00:11:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 231 transitions. [2018-04-13 00:11:14,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2018-04-13 00:11:14,541 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:14,542 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 00:11:14,542 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 00:11:14,542 INFO L82 PathProgramCache]: Analyzing trace with hash -2041430256, now seen corresponding path program 20 times [2018-04-13 00:11:14,542 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:14,601 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:15,258 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 00:11:15,258 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:15,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 00:11:15,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:15,259 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 00:11:15,259 INFO L182 omatonBuilderFactory]: Interpolants [6319#true, 6320#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 6326#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 6327#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 6328#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 6329#(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))), 6330#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 6331#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 6332#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:15,260 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 00:11:15,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 00:11:15,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 00:11:15,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:11:15,261 INFO L87 Difference]: Start difference. First operand 208 states and 231 transitions. Second operand 14 states. [2018-04-13 00:11:15,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:15,345 INFO L93 Difference]: Finished difference Result 221 states and 244 transitions. [2018-04-13 00:11:15,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 00:11:15,347 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 811 [2018-04-13 00:11:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:15,348 INFO L225 Difference]: With dead ends: 221 [2018-04-13 00:11:15,348 INFO L226 Difference]: Without dead ends: 218 [2018-04-13 00:11:15,348 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 00:11:15,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-04-13 00:11:15,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 214. [2018-04-13 00:11:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-04-13 00:11:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 237 transitions. [2018-04-13 00:11:15,351 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 237 transitions. Word has length 811 [2018-04-13 00:11:15,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:15,351 INFO L459 AbstractCegarLoop]: Abstraction has 214 states and 237 transitions. [2018-04-13 00:11:15,351 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 00:11:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 237 transitions. [2018-04-13 00:11:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2018-04-13 00:11:15,355 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:15,355 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 00:11:15,355 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 00:11:15,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1088231448, now seen corresponding path program 21 times [2018-04-13 00:11:15,356 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:15,398 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:15,826 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 00:11:15,826 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:15,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-13 00:11:15,826 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:15,827 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 00:11:15,827 INFO L182 omatonBuilderFactory]: Interpolants [6770#true, 6771#false, 6772#(= main_~i~1 0), 6773#(<= main_~i~1 1), 6774#(<= main_~i~1 2), 6775#(<= main_~i~1 3), 6776#(<= main_~i~1 4), 6777#(<= main_~i~1 5), 6778#(<= main_~i~1 6), 6779#(<= main_~i~1 7), 6780#(<= main_~i~1 8), 6781#(<= main_~i~1 9), 6782#(<= main_~i~1 10), 6783#(<= main_~i~1 11)] [2018-04-13 00:11:15,828 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 00:11:15,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-13 00:11:15,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-13 00:11:15,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-04-13 00:11:15,829 INFO L87 Difference]: Start difference. First operand 214 states and 237 transitions. Second operand 14 states. [2018-04-13 00:11:15,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:15,996 INFO L93 Difference]: Finished difference Result 292 states and 307 transitions. [2018-04-13 00:11:15,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-13 00:11:15,996 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 877 [2018-04-13 00:11:15,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:15,999 INFO L225 Difference]: With dead ends: 292 [2018-04-13 00:11:15,999 INFO L226 Difference]: Without dead ends: 292 [2018-04-13 00:11:15,999 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 00:11:16,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2018-04-13 00:11:16,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 225. [2018-04-13 00:11:16,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-04-13 00:11:16,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 250 transitions. [2018-04-13 00:11:16,005 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 250 transitions. Word has length 877 [2018-04-13 00:11:16,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:16,006 INFO L459 AbstractCegarLoop]: Abstraction has 225 states and 250 transitions. [2018-04-13 00:11:16,006 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-13 00:11:16,006 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 250 transitions. [2018-04-13 00:11:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2018-04-13 00:11:16,013 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:16,013 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 00:11:16,013 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 00:11:16,013 INFO L82 PathProgramCache]: Analyzing trace with hash -500335487, now seen corresponding path program 22 times [2018-04-13 00:11:16,014 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:16,079 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:16,773 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 00:11:16,773 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:16,774 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 00:11:16,774 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:16,774 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 00:11:16,774 INFO L182 omatonBuilderFactory]: Interpolants [7301#true, 7302#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 7309#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 7310#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 7311#(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))), 7312#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 7313#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 7314#(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))), 7315#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:16,775 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 00:11:16,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 00:11:16,775 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 00:11:16,775 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2018-04-13 00:11:16,775 INFO L87 Difference]: Start difference. First operand 225 states and 250 transitions. Second operand 15 states. [2018-04-13 00:11:16,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:16,848 INFO L93 Difference]: Finished difference Result 238 states and 263 transitions. [2018-04-13 00:11:16,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 00:11:16,850 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 955 [2018-04-13 00:11:16,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:16,851 INFO L225 Difference]: With dead ends: 238 [2018-04-13 00:11:16,851 INFO L226 Difference]: Without dead ends: 235 [2018-04-13 00:11:16,852 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 00:11:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-04-13 00:11:16,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 231. [2018-04-13 00:11:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-04-13 00:11:16,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 256 transitions. [2018-04-13 00:11:16,857 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 256 transitions. Word has length 955 [2018-04-13 00:11:16,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:16,858 INFO L459 AbstractCegarLoop]: Abstraction has 231 states and 256 transitions. [2018-04-13 00:11:16,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 00:11:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 256 transitions. [2018-04-13 00:11:16,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1028 [2018-04-13 00:11:16,866 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:16,867 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 00:11:16,867 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 00:11:16,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1879255455, now seen corresponding path program 23 times [2018-04-13 00:11:16,868 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:16,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:16,939 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:17,407 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 00:11:17,407 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:17,407 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-13 00:11:17,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:17,408 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 00:11:17,408 INFO L182 omatonBuilderFactory]: Interpolants [7787#true, 7788#false, 7789#(= main_~i~1 0), 7790#(<= main_~i~1 1), 7791#(<= main_~i~1 2), 7792#(<= main_~i~1 3), 7793#(<= main_~i~1 4), 7794#(<= main_~i~1 5), 7795#(<= main_~i~1 6), 7796#(<= main_~i~1 7), 7797#(<= main_~i~1 8), 7798#(<= main_~i~1 9), 7799#(<= main_~i~1 10), 7800#(<= main_~i~1 11), 7801#(<= main_~i~1 12)] [2018-04-13 00:11:17,409 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 00:11:17,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-13 00:11:17,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-13 00:11:17,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-04-13 00:11:17,409 INFO L87 Difference]: Start difference. First operand 231 states and 256 transitions. Second operand 15 states. [2018-04-13 00:11:17,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:17,593 INFO L93 Difference]: Finished difference Result 314 states and 330 transitions. [2018-04-13 00:11:17,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-13 00:11:17,593 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1027 [2018-04-13 00:11:17,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:17,595 INFO L225 Difference]: With dead ends: 314 [2018-04-13 00:11:17,595 INFO L226 Difference]: Without dead ends: 314 [2018-04-13 00:11:17,596 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 00:11:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2018-04-13 00:11:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 242. [2018-04-13 00:11:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-04-13 00:11:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 269 transitions. [2018-04-13 00:11:17,624 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 269 transitions. Word has length 1027 [2018-04-13 00:11:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:17,625 INFO L459 AbstractCegarLoop]: Abstraction has 242 states and 269 transitions. [2018-04-13 00:11:17,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-13 00:11:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 269 transitions. [2018-04-13 00:11:17,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-04-13 00:11:17,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:17,634 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 00:11:17,634 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 00:11:17,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1856294786, now seen corresponding path program 24 times [2018-04-13 00:11:17,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:17,692 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:18,615 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 00:11:18,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:18,616 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 00:11:18,616 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:18,616 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 00:11:18,616 INFO L182 omatonBuilderFactory]: Interpolants [8358#true, 8359#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 8367#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 8368#(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))), 8369#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 8370#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 8371#(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))), 8372#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 8373#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:18,618 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 00:11:18,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 00:11:18,618 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 00:11:18,618 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2018-04-13 00:11:18,618 INFO L87 Difference]: Start difference. First operand 242 states and 269 transitions. Second operand 16 states. [2018-04-13 00:11:18,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:18,741 INFO L93 Difference]: Finished difference Result 255 states and 282 transitions. [2018-04-13 00:11:18,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 00:11:18,742 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1111 [2018-04-13 00:11:18,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:18,743 INFO L225 Difference]: With dead ends: 255 [2018-04-13 00:11:18,743 INFO L226 Difference]: Without dead ends: 252 [2018-04-13 00:11:18,744 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:11:18,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-04-13 00:11:18,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 248. [2018-04-13 00:11:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-04-13 00:11:18,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 275 transitions. [2018-04-13 00:11:18,750 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 275 transitions. Word has length 1111 [2018-04-13 00:11:18,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:18,750 INFO L459 AbstractCegarLoop]: Abstraction has 248 states and 275 transitions. [2018-04-13 00:11:18,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 00:11:18,751 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 275 transitions. [2018-04-13 00:11:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1190 [2018-04-13 00:11:18,761 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:18,762 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 00:11:18,762 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 00:11:18,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1396010922, now seen corresponding path program 25 times [2018-04-13 00:11:18,763 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:18,852 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:19,484 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 00:11:19,484 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:19,484 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-13 00:11:19,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:19,485 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 00:11:19,485 INFO L182 omatonBuilderFactory]: Interpolants [8879#true, 8880#false, 8881#(= main_~i~1 0), 8882#(<= main_~i~1 1), 8883#(<= main_~i~1 2), 8884#(<= main_~i~1 3), 8885#(<= main_~i~1 4), 8886#(<= main_~i~1 5), 8887#(<= main_~i~1 6), 8888#(<= main_~i~1 7), 8889#(<= main_~i~1 8), 8890#(<= main_~i~1 9), 8891#(<= main_~i~1 10), 8892#(<= main_~i~1 11), 8893#(<= main_~i~1 12), 8894#(<= main_~i~1 13)] [2018-04-13 00:11:19,486 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 00:11:19,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-13 00:11:19,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-13 00:11:19,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-04-13 00:11:19,487 INFO L87 Difference]: Start difference. First operand 248 states and 275 transitions. Second operand 16 states. [2018-04-13 00:11:19,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:19,657 INFO L93 Difference]: Finished difference Result 336 states and 353 transitions. [2018-04-13 00:11:19,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-13 00:11:19,657 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1189 [2018-04-13 00:11:19,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:19,659 INFO L225 Difference]: With dead ends: 336 [2018-04-13 00:11:19,659 INFO L226 Difference]: Without dead ends: 336 [2018-04-13 00:11:19,659 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 00:11:19,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-04-13 00:11:19,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 259. [2018-04-13 00:11:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-04-13 00:11:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 288 transitions. [2018-04-13 00:11:19,664 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 288 transitions. Word has length 1189 [2018-04-13 00:11:19,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:19,665 INFO L459 AbstractCegarLoop]: Abstraction has 259 states and 288 transitions. [2018-04-13 00:11:19,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-13 00:11:19,665 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 288 transitions. [2018-04-13 00:11:19,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1280 [2018-04-13 00:11:19,673 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:19,673 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 00:11:19,673 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 00:11:19,674 INFO L82 PathProgramCache]: Analyzing trace with hash -601504301, now seen corresponding path program 26 times [2018-04-13 00:11:19,674 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:19,733 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:20,586 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 00:11:20,586 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:20,586 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 00:11:20,586 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:20,587 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 00:11:20,587 INFO L182 omatonBuilderFactory]: Interpolants [9504#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 9505#(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))), 9506#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 9490#true, 9491#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 9500#(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))), 9501#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 9502#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 9503#(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 00:11:20,588 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 00:11:20,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 00:11:20,588 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 00:11:20,588 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:11:20,589 INFO L87 Difference]: Start difference. First operand 259 states and 288 transitions. Second operand 17 states. [2018-04-13 00:11:20,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:20,655 INFO L93 Difference]: Finished difference Result 272 states and 301 transitions. [2018-04-13 00:11:20,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 00:11:20,656 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1279 [2018-04-13 00:11:20,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:20,656 INFO L225 Difference]: With dead ends: 272 [2018-04-13 00:11:20,656 INFO L226 Difference]: Without dead ends: 269 [2018-04-13 00:11:20,657 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 00:11:20,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-04-13 00:11:20,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 265. [2018-04-13 00:11:20,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-04-13 00:11:20,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 294 transitions. [2018-04-13 00:11:20,661 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 294 transitions. Word has length 1279 [2018-04-13 00:11:20,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:20,661 INFO L459 AbstractCegarLoop]: Abstraction has 265 states and 294 transitions. [2018-04-13 00:11:20,661 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 00:11:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 294 transitions. [2018-04-13 00:11:20,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1364 [2018-04-13 00:11:20,688 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:20,688 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 00:11:20,688 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 00:11:20,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1767243139, now seen corresponding path program 27 times [2018-04-13 00:11:20,689 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:20,744 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:21,396 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 00:11:21,396 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:21,396 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-13 00:11:21,396 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:21,397 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 00:11:21,397 INFO L182 omatonBuilderFactory]: Interpolants [10048#(= main_~i~1 0), 10049#(<= main_~i~1 1), 10050#(<= main_~i~1 2), 10051#(<= main_~i~1 3), 10052#(<= main_~i~1 4), 10053#(<= main_~i~1 5), 10054#(<= main_~i~1 6), 10055#(<= main_~i~1 7), 10056#(<= main_~i~1 8), 10057#(<= main_~i~1 9), 10058#(<= main_~i~1 10), 10059#(<= main_~i~1 11), 10060#(<= main_~i~1 12), 10061#(<= main_~i~1 13), 10062#(<= main_~i~1 14), 10046#true, 10047#false] [2018-04-13 00:11:21,399 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 00:11:21,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-13 00:11:21,399 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-13 00:11:21,400 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-04-13 00:11:21,400 INFO L87 Difference]: Start difference. First operand 265 states and 294 transitions. Second operand 17 states. [2018-04-13 00:11:21,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:21,525 INFO L93 Difference]: Finished difference Result 358 states and 376 transitions. [2018-04-13 00:11:21,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-13 00:11:21,525 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1363 [2018-04-13 00:11:21,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:21,526 INFO L225 Difference]: With dead ends: 358 [2018-04-13 00:11:21,527 INFO L226 Difference]: Without dead ends: 358 [2018-04-13 00:11:21,527 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 00:11:21,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-04-13 00:11:21,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 276. [2018-04-13 00:11:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-04-13 00:11:21,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 307 transitions. [2018-04-13 00:11:21,531 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 307 transitions. Word has length 1363 [2018-04-13 00:11:21,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:21,532 INFO L459 AbstractCegarLoop]: Abstraction has 276 states and 307 transitions. [2018-04-13 00:11:21,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-13 00:11:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 307 transitions. [2018-04-13 00:11:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1460 [2018-04-13 00:11:21,541 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:21,542 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 00:11:21,542 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 00:11:21,542 INFO L82 PathProgramCache]: Analyzing trace with hash 946488628, now seen corresponding path program 28 times [2018-04-13 00:11:21,543 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:21,601 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:22,688 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 00:11:22,688 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:22,689 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 00:11:22,689 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:22,689 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 00:11:22,689 INFO L182 omatonBuilderFactory]: Interpolants [10697#true, 10698#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 10707#(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))), 10708#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 10709#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 10710#(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))), 10711#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 10712#(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))), 10713#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 10714#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:22,691 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 00:11:22,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 00:11:22,692 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 00:11:22,692 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:11:22,692 INFO L87 Difference]: Start difference. First operand 276 states and 307 transitions. Second operand 18 states. [2018-04-13 00:11:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:22,780 INFO L93 Difference]: Finished difference Result 289 states and 320 transitions. [2018-04-13 00:11:22,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 00:11:22,781 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1459 [2018-04-13 00:11:22,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:22,782 INFO L225 Difference]: With dead ends: 289 [2018-04-13 00:11:22,782 INFO L226 Difference]: Without dead ends: 286 [2018-04-13 00:11:22,782 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 00:11:22,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-04-13 00:11:22,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 282. [2018-04-13 00:11:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-04-13 00:11:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 313 transitions. [2018-04-13 00:11:22,788 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 313 transitions. Word has length 1459 [2018-04-13 00:11:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:22,789 INFO L459 AbstractCegarLoop]: Abstraction has 282 states and 313 transitions. [2018-04-13 00:11:22,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 00:11:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 313 transitions. [2018-04-13 00:11:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1550 [2018-04-13 00:11:22,805 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:22,805 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 00:11:22,805 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 00:11:22,806 INFO L82 PathProgramCache]: Analyzing trace with hash -754671188, now seen corresponding path program 29 times [2018-04-13 00:11:22,807 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:22,911 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:23,830 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 00:11:23,830 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:23,830 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-13 00:11:23,830 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:23,831 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 00:11:23,831 INFO L182 omatonBuilderFactory]: Interpolants [11296#(<= main_~i~1 6), 11297#(<= main_~i~1 7), 11298#(<= main_~i~1 8), 11299#(<= main_~i~1 9), 11300#(<= main_~i~1 10), 11301#(<= main_~i~1 11), 11302#(<= main_~i~1 12), 11303#(<= main_~i~1 13), 11304#(<= main_~i~1 14), 11305#(<= main_~i~1 15), 11288#true, 11289#false, 11290#(= main_~i~1 0), 11291#(<= main_~i~1 1), 11292#(<= main_~i~1 2), 11293#(<= main_~i~1 3), 11294#(<= main_~i~1 4), 11295#(<= main_~i~1 5)] [2018-04-13 00:11:23,832 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 00:11:23,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-13 00:11:23,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-13 00:11:23,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:11:23,833 INFO L87 Difference]: Start difference. First operand 282 states and 313 transitions. Second operand 18 states. [2018-04-13 00:11:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:23,953 INFO L93 Difference]: Finished difference Result 380 states and 399 transitions. [2018-04-13 00:11:23,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-13 00:11:23,954 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1549 [2018-04-13 00:11:23,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:23,956 INFO L225 Difference]: With dead ends: 380 [2018-04-13 00:11:23,956 INFO L226 Difference]: Without dead ends: 380 [2018-04-13 00:11:23,956 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-04-13 00:11:23,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-04-13 00:11:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 293. [2018-04-13 00:11:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-04-13 00:11:23,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 326 transitions. [2018-04-13 00:11:23,962 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 326 transitions. Word has length 1549 [2018-04-13 00:11:23,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:23,963 INFO L459 AbstractCegarLoop]: Abstraction has 293 states and 326 transitions. [2018-04-13 00:11:23,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-13 00:11:23,963 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 326 transitions. [2018-04-13 00:11:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1652 [2018-04-13 00:11:23,981 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:23,982 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 00:11:23,982 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 00:11:23,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1444662117, now seen corresponding path program 30 times [2018-04-13 00:11:23,983 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:24,070 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:25,337 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 00:11:25,337 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:25,337 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 00:11:25,337 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:25,338 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 00:11:25,338 INFO L182 omatonBuilderFactory]: Interpolants [11979#true, 11980#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 11989#(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))), 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 9) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 11991#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 11992#(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))), 11993#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 11994#(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))), 11995#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 11996#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 11997#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:25,340 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 00:11:25,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 00:11:25,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 00:11:25,341 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=187, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:11:25,341 INFO L87 Difference]: Start difference. First operand 293 states and 326 transitions. Second operand 19 states. [2018-04-13 00:11:25,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:25,424 INFO L93 Difference]: Finished difference Result 306 states and 339 transitions. [2018-04-13 00:11:25,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 00:11:25,425 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1651 [2018-04-13 00:11:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:25,426 INFO L225 Difference]: With dead ends: 306 [2018-04-13 00:11:25,426 INFO L226 Difference]: Without dead ends: 303 [2018-04-13 00:11:25,426 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:11:25,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-04-13 00:11:25,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2018-04-13 00:11:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-04-13 00:11:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2018-04-13 00:11:25,431 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 1651 [2018-04-13 00:11:25,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:25,432 INFO L459 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2018-04-13 00:11:25,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 00:11:25,432 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2018-04-13 00:11:25,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1748 [2018-04-13 00:11:25,449 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:25,450 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 00:11:25,450 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 00:11:25,450 INFO L82 PathProgramCache]: Analyzing trace with hash 104699365, now seen corresponding path program 31 times [2018-04-13 00:11:25,451 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:25,589 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:26,575 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 00:11:26,576 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:26,576 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-13 00:11:26,576 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:26,577 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 00:11:26,577 INFO L182 omatonBuilderFactory]: Interpolants [12608#(<= main_~i~1 1), 12609#(<= main_~i~1 2), 12610#(<= main_~i~1 3), 12611#(<= main_~i~1 4), 12612#(<= main_~i~1 5), 12613#(<= main_~i~1 6), 12614#(<= main_~i~1 7), 12615#(<= main_~i~1 8), 12616#(<= main_~i~1 9), 12617#(<= main_~i~1 10), 12618#(<= main_~i~1 11), 12619#(<= main_~i~1 12), 12620#(<= main_~i~1 13), 12621#(<= main_~i~1 14), 12622#(<= main_~i~1 15), 12623#(<= main_~i~1 16), 12605#true, 12606#false, 12607#(= main_~i~1 0)] [2018-04-13 00:11:26,579 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 00:11:26,579 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-13 00:11:26,579 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-13 00:11:26,579 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:11:26,579 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand 19 states. [2018-04-13 00:11:26,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:26,723 INFO L93 Difference]: Finished difference Result 402 states and 422 transitions. [2018-04-13 00:11:26,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-13 00:11:26,723 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 1747 [2018-04-13 00:11:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:26,724 INFO L225 Difference]: With dead ends: 402 [2018-04-13 00:11:26,724 INFO L226 Difference]: Without dead ends: 402 [2018-04-13 00:11:26,725 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-04-13 00:11:26,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-04-13 00:11:26,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 310. [2018-04-13 00:11:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-04-13 00:11:26,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 345 transitions. [2018-04-13 00:11:26,729 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 345 transitions. Word has length 1747 [2018-04-13 00:11:26,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:26,730 INFO L459 AbstractCegarLoop]: Abstraction has 310 states and 345 transitions. [2018-04-13 00:11:26,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-13 00:11:26,730 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 345 transitions. [2018-04-13 00:11:26,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1856 [2018-04-13 00:11:26,744 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:26,744 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 00:11:26,744 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 00:11:26,745 INFO L82 PathProgramCache]: Analyzing trace with hash -553996762, now seen corresponding path program 32 times [2018-04-13 00:11:26,745 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:26,848 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:28,297 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 00:11:28,297 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:28,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 00:11:28,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:28,298 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 00:11:28,298 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 13346#(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))), 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 9) (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 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 13349#(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))), 13350#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 13351#(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))), 13352#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 13353#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 13354#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 13355#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 13336#true, 13337#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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 00:11:28,301 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 00:11:28,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 00:11:28,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 00:11:28,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=207, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:11:28,301 INFO L87 Difference]: Start difference. First operand 310 states and 345 transitions. Second operand 20 states. [2018-04-13 00:11:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:28,384 INFO L93 Difference]: Finished difference Result 323 states and 358 transitions. [2018-04-13 00:11:28,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 00:11:28,385 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1855 [2018-04-13 00:11:28,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:28,385 INFO L225 Difference]: With dead ends: 323 [2018-04-13 00:11:28,386 INFO L226 Difference]: Without dead ends: 320 [2018-04-13 00:11:28,386 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:11:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-04-13 00:11:28,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-04-13 00:11:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-04-13 00:11:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 351 transitions. [2018-04-13 00:11:28,390 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 351 transitions. Word has length 1855 [2018-04-13 00:11:28,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:28,391 INFO L459 AbstractCegarLoop]: Abstraction has 316 states and 351 transitions. [2018-04-13 00:11:28,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 00:11:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 351 transitions. [2018-04-13 00:11:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1958 [2018-04-13 00:11:28,407 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:28,407 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 00:11:28,407 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 00:11:28,408 INFO L82 PathProgramCache]: Analyzing trace with hash 546860014, now seen corresponding path program 33 times [2018-04-13 00:11:28,408 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:28,530 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:29,678 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 00:11:29,678 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:29,678 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-13 00:11:29,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:29,679 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 00:11:29,679 INFO L182 omatonBuilderFactory]: Interpolants [14016#(<= main_~i~1 17), 13997#true, 13998#false, 13999#(= main_~i~1 0), 14000#(<= main_~i~1 1), 14001#(<= main_~i~1 2), 14002#(<= main_~i~1 3), 14003#(<= main_~i~1 4), 14004#(<= main_~i~1 5), 14005#(<= main_~i~1 6), 14006#(<= main_~i~1 7), 14007#(<= main_~i~1 8), 14008#(<= main_~i~1 9), 14009#(<= main_~i~1 10), 14010#(<= main_~i~1 11), 14011#(<= main_~i~1 12), 14012#(<= main_~i~1 13), 14013#(<= main_~i~1 14), 14014#(<= main_~i~1 15), 14015#(<= main_~i~1 16)] [2018-04-13 00:11:29,681 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 00:11:29,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-13 00:11:29,682 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-13 00:11:29,682 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:11:29,682 INFO L87 Difference]: Start difference. First operand 316 states and 351 transitions. Second operand 20 states. [2018-04-13 00:11:29,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:29,824 INFO L93 Difference]: Finished difference Result 424 states and 445 transitions. [2018-04-13 00:11:29,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-13 00:11:29,824 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1957 [2018-04-13 00:11:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:29,826 INFO L225 Difference]: With dead ends: 424 [2018-04-13 00:11:29,826 INFO L226 Difference]: Without dead ends: 424 [2018-04-13 00:11:29,826 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-04-13 00:11:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-04-13 00:11:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 327. [2018-04-13 00:11:29,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-04-13 00:11:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 364 transitions. [2018-04-13 00:11:29,829 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 364 transitions. Word has length 1957 [2018-04-13 00:11:29,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:29,830 INFO L459 AbstractCegarLoop]: Abstraction has 327 states and 364 transitions. [2018-04-13 00:11:29,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-13 00:11:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 364 transitions. [2018-04-13 00:11:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2072 [2018-04-13 00:11:29,846 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:29,846 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 00:11:29,846 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 00:11:29,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1829676233, now seen corresponding path program 34 times [2018-04-13 00:11:29,847 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:29,944 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:31,625 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 00:11:31,625 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:31,625 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 00:11:31,626 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:31,626 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 00:11:31,626 INFO L182 omatonBuilderFactory]: Interpolants [14784#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 14785#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 14786#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 14787#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 14788#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 14768#true, 14769#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 14778#(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))), 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 9) (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 10) (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_~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))), 14782#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 14783#(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)))] [2018-04-13 00:11:31,630 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 00:11:31,630 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-13 00:11:31,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-13 00:11:31,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:11:31,630 INFO L87 Difference]: Start difference. First operand 327 states and 364 transitions. Second operand 21 states. [2018-04-13 00:11:31,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:31,706 INFO L93 Difference]: Finished difference Result 340 states and 377 transitions. [2018-04-13 00:11:31,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 00:11:31,706 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2071 [2018-04-13 00:11:31,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:31,707 INFO L225 Difference]: With dead ends: 340 [2018-04-13 00:11:31,707 INFO L226 Difference]: Without dead ends: 337 [2018-04-13 00:11:31,708 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 00:11:31,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-04-13 00:11:31,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 333. [2018-04-13 00:11:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-04-13 00:11:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 370 transitions. [2018-04-13 00:11:31,712 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 370 transitions. Word has length 2071 [2018-04-13 00:11:31,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:31,712 INFO L459 AbstractCegarLoop]: Abstraction has 333 states and 370 transitions. [2018-04-13 00:11:31,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-13 00:11:31,713 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 370 transitions. [2018-04-13 00:11:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2180 [2018-04-13 00:11:31,730 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:31,731 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 00:11:31,731 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 00:11:31,731 INFO L82 PathProgramCache]: Analyzing trace with hash 771837319, now seen corresponding path program 35 times [2018-04-13 00:11:31,731 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:31,840 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:33,141 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 00:11:33,141 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:33,141 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-13 00:11:33,141 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:33,142 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 00:11:33,142 INFO L182 omatonBuilderFactory]: Interpolants [15464#true, 15465#false, 15466#(= main_~i~1 0), 15467#(<= main_~i~1 1), 15468#(<= main_~i~1 2), 15469#(<= main_~i~1 3), 15470#(<= main_~i~1 4), 15471#(<= main_~i~1 5), 15472#(<= main_~i~1 6), 15473#(<= main_~i~1 7), 15474#(<= main_~i~1 8), 15475#(<= main_~i~1 9), 15476#(<= main_~i~1 10), 15477#(<= main_~i~1 11), 15478#(<= main_~i~1 12), 15479#(<= main_~i~1 13), 15480#(<= main_~i~1 14), 15481#(<= main_~i~1 15), 15482#(<= main_~i~1 16), 15483#(<= main_~i~1 17), 15484#(<= main_~i~1 18)] [2018-04-13 00:11:33,145 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 00:11:33,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-13 00:11:33,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-13 00:11:33,145 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-04-13 00:11:33,145 INFO L87 Difference]: Start difference. First operand 333 states and 370 transitions. Second operand 21 states. [2018-04-13 00:11:33,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:33,358 INFO L93 Difference]: Finished difference Result 446 states and 468 transitions. [2018-04-13 00:11:33,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-13 00:11:33,358 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2179 [2018-04-13 00:11:33,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:33,360 INFO L225 Difference]: With dead ends: 446 [2018-04-13 00:11:33,360 INFO L226 Difference]: Without dead ends: 446 [2018-04-13 00:11:33,360 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 00:11:33,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-04-13 00:11:33,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 344. [2018-04-13 00:11:33,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-04-13 00:11:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 383 transitions. [2018-04-13 00:11:33,364 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 383 transitions. Word has length 2179 [2018-04-13 00:11:33,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:33,364 INFO L459 AbstractCegarLoop]: Abstraction has 344 states and 383 transitions. [2018-04-13 00:11:33,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-13 00:11:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 383 transitions. [2018-04-13 00:11:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2300 [2018-04-13 00:11:33,384 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:33,384 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 00:11:33,385 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 00:11:33,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1752930392, now seen corresponding path program 36 times [2018-04-13 00:11:33,385 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:33,479 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:35,520 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 00:11:35,520 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:35,520 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 00:11:35,520 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:35,521 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 00:11:35,521 INFO L182 omatonBuilderFactory]: Interpolants [16288#(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))), 16289#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 16290#(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))), 16291#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 16292#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 16293#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 16294#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 16295#(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))), 16296#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 16275#true, 16276#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 16285#(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))), 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 9) (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 10) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:11:35,526 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 00:11:35,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 00:11:35,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 00:11:35,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=250, Unknown=0, NotChecked=0, Total=462 [2018-04-13 00:11:35,526 INFO L87 Difference]: Start difference. First operand 344 states and 383 transitions. Second operand 22 states. [2018-04-13 00:11:35,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:35,609 INFO L93 Difference]: Finished difference Result 357 states and 396 transitions. [2018-04-13 00:11:35,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 00:11:35,609 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 2299 [2018-04-13 00:11:35,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:35,610 INFO L225 Difference]: With dead ends: 357 [2018-04-13 00:11:35,610 INFO L226 Difference]: Without dead ends: 354 [2018-04-13 00:11:35,610 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 00:11:35,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2018-04-13 00:11:35,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 350. [2018-04-13 00:11:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2018-04-13 00:11:35,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 389 transitions. [2018-04-13 00:11:35,615 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 389 transitions. Word has length 2299 [2018-04-13 00:11:35,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:35,616 INFO L459 AbstractCegarLoop]: Abstraction has 350 states and 389 transitions. [2018-04-13 00:11:35,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 00:11:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 389 transitions. [2018-04-13 00:11:35,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2414 [2018-04-13 00:11:35,643 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:35,644 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 00:11:35,644 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 00:11:35,644 INFO L82 PathProgramCache]: Analyzing trace with hash 760102000, now seen corresponding path program 37 times [2018-04-13 00:11:35,644 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:35,738 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:37,414 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 00:11:37,414 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:37,415 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-13 00:11:37,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:37,415 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 00:11:37,415 INFO L182 omatonBuilderFactory]: Interpolants [17024#(<= main_~i~1 16), 17025#(<= main_~i~1 17), 17026#(<= main_~i~1 18), 17027#(<= main_~i~1 19), 17006#true, 17007#false, 17008#(= main_~i~1 0), 17009#(<= main_~i~1 1), 17010#(<= main_~i~1 2), 17011#(<= main_~i~1 3), 17012#(<= main_~i~1 4), 17013#(<= main_~i~1 5), 17014#(<= main_~i~1 6), 17015#(<= main_~i~1 7), 17016#(<= main_~i~1 8), 17017#(<= main_~i~1 9), 17018#(<= main_~i~1 10), 17019#(<= main_~i~1 11), 17020#(<= main_~i~1 12), 17021#(<= main_~i~1 13), 17022#(<= main_~i~1 14), 17023#(<= main_~i~1 15)] [2018-04-13 00:11:37,419 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 00:11:37,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-13 00:11:37,420 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-13 00:11:37,420 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-04-13 00:11:37,420 INFO L87 Difference]: Start difference. First operand 350 states and 389 transitions. Second operand 22 states. [2018-04-13 00:11:37,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:37,573 INFO L93 Difference]: Finished difference Result 468 states and 491 transitions. [2018-04-13 00:11:37,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-13 00:11:37,573 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 2413 [2018-04-13 00:11:37,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:37,575 INFO L225 Difference]: With dead ends: 468 [2018-04-13 00:11:37,575 INFO L226 Difference]: Without dead ends: 468 [2018-04-13 00:11:37,575 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 00:11:37,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-04-13 00:11:37,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 361. [2018-04-13 00:11:37,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-04-13 00:11:37,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 402 transitions. [2018-04-13 00:11:37,580 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 402 transitions. Word has length 2413 [2018-04-13 00:11:37,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:37,581 INFO L459 AbstractCegarLoop]: Abstraction has 361 states and 402 transitions. [2018-04-13 00:11:37,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-13 00:11:37,581 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 402 transitions. [2018-04-13 00:11:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2540 [2018-04-13 00:11:37,607 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:37,607 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 00:11:37,608 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 00:11:37,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1154073417, now seen corresponding path program 38 times [2018-04-13 00:11:37,608 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:37,707 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:40,061 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 00:11:40,062 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:40,062 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 00:11:40,062 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:40,063 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 00:11:40,063 INFO L182 omatonBuilderFactory]: Interpolants [17857#true, 17858#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17867#(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))), 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 9) (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 10) (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_~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))), 17871#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17872#(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))), 17873#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17874#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17875#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17876#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17877#(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))), 17878#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 17879#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:40,068 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 00:11:40,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 00:11:40,068 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 00:11:40,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=273, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:11:40,069 INFO L87 Difference]: Start difference. First operand 361 states and 402 transitions. Second operand 23 states. [2018-04-13 00:11:40,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:40,175 INFO L93 Difference]: Finished difference Result 374 states and 415 transitions. [2018-04-13 00:11:40,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 00:11:40,176 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2539 [2018-04-13 00:11:40,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:40,177 INFO L225 Difference]: With dead ends: 374 [2018-04-13 00:11:40,177 INFO L226 Difference]: Without dead ends: 371 [2018-04-13 00:11:40,178 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 00:11:40,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-04-13 00:11:40,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-04-13 00:11:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-04-13 00:11:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 408 transitions. [2018-04-13 00:11:40,182 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 408 transitions. Word has length 2539 [2018-04-13 00:11:40,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:40,183 INFO L459 AbstractCegarLoop]: Abstraction has 367 states and 408 transitions. [2018-04-13 00:11:40,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 00:11:40,183 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 408 transitions. [2018-04-13 00:11:40,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2660 [2018-04-13 00:11:40,221 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:40,221 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 00:11:40,221 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 00:11:40,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1105702295, now seen corresponding path program 39 times [2018-04-13 00:11:40,222 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:40,350 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:42,259 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 00:11:42,259 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:42,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-13 00:11:42,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:42,260 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 00:11:42,260 INFO L182 omatonBuilderFactory]: Interpolants [18624#false, 18625#(= main_~i~1 0), 18626#(<= main_~i~1 1), 18627#(<= main_~i~1 2), 18628#(<= main_~i~1 3), 18629#(<= main_~i~1 4), 18630#(<= main_~i~1 5), 18631#(<= main_~i~1 6), 18632#(<= main_~i~1 7), 18633#(<= main_~i~1 8), 18634#(<= main_~i~1 9), 18635#(<= main_~i~1 10), 18636#(<= main_~i~1 11), 18637#(<= main_~i~1 12), 18638#(<= main_~i~1 13), 18639#(<= main_~i~1 14), 18640#(<= main_~i~1 15), 18641#(<= main_~i~1 16), 18642#(<= main_~i~1 17), 18643#(<= main_~i~1 18), 18644#(<= main_~i~1 19), 18645#(<= main_~i~1 20), 18623#true] [2018-04-13 00:11:42,264 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 00:11:42,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-13 00:11:42,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-13 00:11:42,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:11:42,265 INFO L87 Difference]: Start difference. First operand 367 states and 408 transitions. Second operand 23 states. [2018-04-13 00:11:42,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:42,493 INFO L93 Difference]: Finished difference Result 490 states and 514 transitions. [2018-04-13 00:11:42,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-13 00:11:42,494 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2659 [2018-04-13 00:11:42,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:42,496 INFO L225 Difference]: With dead ends: 490 [2018-04-13 00:11:42,496 INFO L226 Difference]: Without dead ends: 490 [2018-04-13 00:11:42,496 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-04-13 00:11:42,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-04-13 00:11:42,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 378. [2018-04-13 00:11:42,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 378 states. [2018-04-13 00:11:42,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 421 transitions. [2018-04-13 00:11:42,502 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 421 transitions. Word has length 2659 [2018-04-13 00:11:42,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:42,504 INFO L459 AbstractCegarLoop]: Abstraction has 378 states and 421 transitions. [2018-04-13 00:11:42,504 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-13 00:11:42,504 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 421 transitions. [2018-04-13 00:11:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2792 [2018-04-13 00:11:42,534 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:42,534 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 00:11:42,534 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 00:11:42,534 INFO L82 PathProgramCache]: Analyzing trace with hash -737668662, now seen corresponding path program 40 times [2018-04-13 00:11:42,535 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:42,652 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:45,473 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 00:11:45,474 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:45,474 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 00:11:45,474 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:45,475 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 00:11:45,475 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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19524#(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))), 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 9) (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 10) (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_~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))), 19528#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19529#(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))), 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 14) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 19531#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19532#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19533#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19534#(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))), 19535#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19536#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 19537#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 19514#true, 19515#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:11:45,481 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 00:11:45,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 00:11:45,481 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 00:11:45,481 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=297, Unknown=0, NotChecked=0, Total=552 [2018-04-13 00:11:45,481 INFO L87 Difference]: Start difference. First operand 378 states and 421 transitions. Second operand 24 states. [2018-04-13 00:11:45,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:45,579 INFO L93 Difference]: Finished difference Result 391 states and 434 transitions. [2018-04-13 00:11:45,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 00:11:45,580 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 2791 [2018-04-13 00:11:45,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:45,581 INFO L225 Difference]: With dead ends: 391 [2018-04-13 00:11:45,581 INFO L226 Difference]: Without dead ends: 388 [2018-04-13 00:11:45,581 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:11:45,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-04-13 00:11:45,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 384. [2018-04-13 00:11:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-04-13 00:11:45,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 427 transitions. [2018-04-13 00:11:45,585 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 427 transitions. Word has length 2791 [2018-04-13 00:11:45,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:45,585 INFO L459 AbstractCegarLoop]: Abstraction has 384 states and 427 transitions. [2018-04-13 00:11:45,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 00:11:45,586 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 427 transitions. [2018-04-13 00:11:45,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2918 [2018-04-13 00:11:45,626 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:45,627 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 00:11:45,627 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 00:11:45,627 INFO L82 PathProgramCache]: Analyzing trace with hash -180289230, now seen corresponding path program 41 times [2018-04-13 00:11:45,627 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:45,751 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:48,105 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 00:11:48,105 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:48,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-13 00:11:48,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:48,106 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 00:11:48,106 INFO L182 omatonBuilderFactory]: Interpolants [20320#(<= main_~i~1 3), 20321#(<= main_~i~1 4), 20322#(<= main_~i~1 5), 20323#(<= main_~i~1 6), 20324#(<= main_~i~1 7), 20325#(<= main_~i~1 8), 20326#(<= main_~i~1 9), 20327#(<= main_~i~1 10), 20328#(<= main_~i~1 11), 20329#(<= main_~i~1 12), 20330#(<= main_~i~1 13), 20331#(<= main_~i~1 14), 20332#(<= main_~i~1 15), 20333#(<= main_~i~1 16), 20334#(<= main_~i~1 17), 20335#(<= main_~i~1 18), 20336#(<= main_~i~1 19), 20337#(<= main_~i~1 20), 20338#(<= main_~i~1 21), 20315#true, 20316#false, 20317#(= main_~i~1 0), 20318#(<= main_~i~1 1), 20319#(<= main_~i~1 2)] [2018-04-13 00:11:48,112 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 00:11:48,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-13 00:11:48,113 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-13 00:11:48,113 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-04-13 00:11:48,113 INFO L87 Difference]: Start difference. First operand 384 states and 427 transitions. Second operand 24 states. [2018-04-13 00:11:48,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:48,324 INFO L93 Difference]: Finished difference Result 512 states and 537 transitions. [2018-04-13 00:11:48,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-13 00:11:48,324 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 2917 [2018-04-13 00:11:48,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:48,326 INFO L225 Difference]: With dead ends: 512 [2018-04-13 00:11:48,326 INFO L226 Difference]: Without dead ends: 512 [2018-04-13 00:11:48,327 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 00:11:48,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-04-13 00:11:48,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 395. [2018-04-13 00:11:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-04-13 00:11:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 440 transitions. [2018-04-13 00:11:48,330 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 440 transitions. Word has length 2917 [2018-04-13 00:11:48,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:48,331 INFO L459 AbstractCegarLoop]: Abstraction has 395 states and 440 transitions. [2018-04-13 00:11:48,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-13 00:11:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 440 transitions. [2018-04-13 00:11:48,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3056 [2018-04-13 00:11:48,365 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:48,365 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 00:11:48,365 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 00:11:48,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1406021221, now seen corresponding path program 42 times [2018-04-13 00:11:48,366 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:48,498 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:51,674 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 00:11:51,674 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:51,674 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 00:11:51,674 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:51,675 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 00:11:51,675 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21256#(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))), 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 9) (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 10) (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_~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))), 21260#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21261#(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))), 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 14) (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 15) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 21264#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21265#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21266#(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))), 21267#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21268#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21269#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 21270#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 21246#true, 21247#false] [2018-04-13 00:11:51,682 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 00:11:51,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 00:11:51,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 00:11:51,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=322, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:11:51,683 INFO L87 Difference]: Start difference. First operand 395 states and 440 transitions. Second operand 25 states. [2018-04-13 00:11:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:51,795 INFO L93 Difference]: Finished difference Result 408 states and 453 transitions. [2018-04-13 00:11:51,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 00:11:51,796 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 3055 [2018-04-13 00:11:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:51,797 INFO L225 Difference]: With dead ends: 408 [2018-04-13 00:11:51,797 INFO L226 Difference]: Without dead ends: 405 [2018-04-13 00:11:51,797 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 00:11:51,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-04-13 00:11:51,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 401. [2018-04-13 00:11:51,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-04-13 00:11:51,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 446 transitions. [2018-04-13 00:11:51,801 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 446 transitions. Word has length 3055 [2018-04-13 00:11:51,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:51,801 INFO L459 AbstractCegarLoop]: Abstraction has 401 states and 446 transitions. [2018-04-13 00:11:51,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 00:11:51,801 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 446 transitions. [2018-04-13 00:11:51,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3188 [2018-04-13 00:11:51,837 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:51,838 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 00:11:51,838 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 00:11:51,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1215606133, now seen corresponding path program 43 times [2018-04-13 00:11:51,839 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:51,978 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:54,696 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 00:11:54,696 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:54,697 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-13 00:11:54,697 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:54,697 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 00:11:54,697 INFO L182 omatonBuilderFactory]: Interpolants [22082#true, 22083#false, 22084#(= main_~i~1 0), 22085#(<= main_~i~1 1), 22086#(<= main_~i~1 2), 22087#(<= main_~i~1 3), 22088#(<= main_~i~1 4), 22089#(<= main_~i~1 5), 22090#(<= main_~i~1 6), 22091#(<= main_~i~1 7), 22092#(<= main_~i~1 8), 22093#(<= main_~i~1 9), 22094#(<= main_~i~1 10), 22095#(<= main_~i~1 11), 22096#(<= main_~i~1 12), 22097#(<= main_~i~1 13), 22098#(<= main_~i~1 14), 22099#(<= main_~i~1 15), 22100#(<= main_~i~1 16), 22101#(<= main_~i~1 17), 22102#(<= main_~i~1 18), 22103#(<= main_~i~1 19), 22104#(<= main_~i~1 20), 22105#(<= main_~i~1 21), 22106#(<= main_~i~1 22)] [2018-04-13 00:11:54,704 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 00:11:54,704 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-13 00:11:54,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-13 00:11:54,704 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-04-13 00:11:54,704 INFO L87 Difference]: Start difference. First operand 401 states and 446 transitions. Second operand 25 states. [2018-04-13 00:11:54,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:54,941 INFO L93 Difference]: Finished difference Result 534 states and 560 transitions. [2018-04-13 00:11:54,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-13 00:11:54,941 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 3187 [2018-04-13 00:11:54,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:54,944 INFO L225 Difference]: With dead ends: 534 [2018-04-13 00:11:54,944 INFO L226 Difference]: Without dead ends: 534 [2018-04-13 00:11:54,944 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 00:11:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2018-04-13 00:11:54,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 412. [2018-04-13 00:11:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-04-13 00:11:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 459 transitions. [2018-04-13 00:11:54,949 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 459 transitions. Word has length 3187 [2018-04-13 00:11:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:54,950 INFO L459 AbstractCegarLoop]: Abstraction has 412 states and 459 transitions. [2018-04-13 00:11:54,950 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-13 00:11:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 459 transitions. [2018-04-13 00:11:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3332 [2018-04-13 00:11:54,989 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:54,990 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 00:11:54,990 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 00:11:54,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1457039484, now seen corresponding path program 44 times [2018-04-13 00:11:54,991 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:55,138 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:11:58,874 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 00:11:58,874 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:11:58,874 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 00:11:58,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:11:58,875 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 00:11:58,875 INFO L182 omatonBuilderFactory]: Interpolants [23053#true, 23054#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23063#(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))), 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 9) (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 10) (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_~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))), 23067#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23068#(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))), 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 14) (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 15) (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 16) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 23072#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23073#(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))), 23074#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23075#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23076#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23077#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 23078#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:11:58,883 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 00:11:58,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 00:11:58,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 00:11:58,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2018-04-13 00:11:58,884 INFO L87 Difference]: Start difference. First operand 412 states and 459 transitions. Second operand 26 states. [2018-04-13 00:11:58,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:11:58,980 INFO L93 Difference]: Finished difference Result 425 states and 472 transitions. [2018-04-13 00:11:58,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 00:11:58,980 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 3331 [2018-04-13 00:11:58,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:11:58,981 INFO L225 Difference]: With dead ends: 425 [2018-04-13 00:11:58,981 INFO L226 Difference]: Without dead ends: 422 [2018-04-13 00:11:58,982 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 00:11:58,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-04-13 00:11:58,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 418. [2018-04-13 00:11:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-04-13 00:11:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 465 transitions. [2018-04-13 00:11:58,985 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 465 transitions. Word has length 3331 [2018-04-13 00:11:58,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:11:58,985 INFO L459 AbstractCegarLoop]: Abstraction has 418 states and 465 transitions. [2018-04-13 00:11:58,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 00:11:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 465 transitions. [2018-04-13 00:11:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3470 [2018-04-13 00:11:59,025 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:11:59,026 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 00:11:59,026 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 00:11:59,026 INFO L82 PathProgramCache]: Analyzing trace with hash 733030452, now seen corresponding path program 45 times [2018-04-13 00:11:59,027 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:11:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:11:59,189 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:02,506 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 00:12:02,506 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:02,506 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-13 00:12:02,507 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:02,507 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 00:12:02,507 INFO L182 omatonBuilderFactory]: Interpolants [23936#(<= main_~i~1 10), 23937#(<= main_~i~1 11), 23938#(<= main_~i~1 12), 23939#(<= main_~i~1 13), 23940#(<= main_~i~1 14), 23941#(<= main_~i~1 15), 23942#(<= main_~i~1 16), 23943#(<= main_~i~1 17), 23944#(<= main_~i~1 18), 23945#(<= main_~i~1 19), 23946#(<= main_~i~1 20), 23947#(<= main_~i~1 21), 23948#(<= main_~i~1 22), 23949#(<= main_~i~1 23), 23924#true, 23925#false, 23926#(= main_~i~1 0), 23927#(<= main_~i~1 1), 23928#(<= main_~i~1 2), 23929#(<= main_~i~1 3), 23930#(<= main_~i~1 4), 23931#(<= main_~i~1 5), 23932#(<= main_~i~1 6), 23933#(<= main_~i~1 7), 23934#(<= main_~i~1 8), 23935#(<= main_~i~1 9)] [2018-04-13 00:12:02,515 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 00:12:02,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-13 00:12:02,515 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-13 00:12:02,515 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-04-13 00:12:02,515 INFO L87 Difference]: Start difference. First operand 418 states and 465 transitions. Second operand 26 states. [2018-04-13 00:12:02,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:02,693 INFO L93 Difference]: Finished difference Result 556 states and 583 transitions. [2018-04-13 00:12:02,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-13 00:12:02,693 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 3469 [2018-04-13 00:12:02,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:02,695 INFO L225 Difference]: With dead ends: 556 [2018-04-13 00:12:02,695 INFO L226 Difference]: Without dead ends: 556 [2018-04-13 00:12:02,695 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 00:12:02,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-04-13 00:12:02,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 429. [2018-04-13 00:12:02,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-04-13 00:12:02,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 478 transitions. [2018-04-13 00:12:02,702 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 478 transitions. Word has length 3469 [2018-04-13 00:12:02,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:02,703 INFO L459 AbstractCegarLoop]: Abstraction has 429 states and 478 transitions. [2018-04-13 00:12:02,703 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-13 00:12:02,703 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 478 transitions. [2018-04-13 00:12:02,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3620 [2018-04-13 00:12:02,750 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:02,750 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 00:12:02,751 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 00:12:02,751 INFO L82 PathProgramCache]: Analyzing trace with hash 541578285, now seen corresponding path program 46 times [2018-04-13 00:12:02,751 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:02,917 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:07,202 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 00:12:07,202 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:07,203 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 00:12:07,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:07,204 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 00:12:07,204 INFO L182 omatonBuilderFactory]: Interpolants [24960#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 24961#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 24935#true, 24936#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 24945#(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))), 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 9) (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 10) (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_~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))), 24949#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 24950#(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))), 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 14) (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 15) (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 16) (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 17) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 24955#(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))), 24956#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 24957#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 24958#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 24959#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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))))] [2018-04-13 00:12:07,214 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 00:12:07,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 00:12:07,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 00:12:07,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=375, Unknown=0, NotChecked=0, Total=702 [2018-04-13 00:12:07,214 INFO L87 Difference]: Start difference. First operand 429 states and 478 transitions. Second operand 27 states. [2018-04-13 00:12:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:07,313 INFO L93 Difference]: Finished difference Result 442 states and 491 transitions. [2018-04-13 00:12:07,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-13 00:12:07,313 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 3619 [2018-04-13 00:12:07,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:07,315 INFO L225 Difference]: With dead ends: 442 [2018-04-13 00:12:07,315 INFO L226 Difference]: Without dead ends: 439 [2018-04-13 00:12:07,315 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 00:12:07,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-04-13 00:12:07,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-04-13 00:12:07,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-04-13 00:12:07,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 484 transitions. [2018-04-13 00:12:07,319 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 484 transitions. Word has length 3619 [2018-04-13 00:12:07,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:07,320 INFO L459 AbstractCegarLoop]: Abstraction has 435 states and 484 transitions. [2018-04-13 00:12:07,320 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 00:12:07,320 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 484 transitions. [2018-04-13 00:12:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3764 [2018-04-13 00:12:07,382 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:07,383 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 00:12:07,383 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 00:12:07,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1465678829, now seen corresponding path program 47 times [2018-04-13 00:12:07,384 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:07,569 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:11,304 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 00:12:11,304 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:11,304 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-13 00:12:11,304 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:11,305 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 00:12:11,305 INFO L182 omatonBuilderFactory]: Interpolants [25856#(<= main_~i~1 13), 25857#(<= main_~i~1 14), 25858#(<= main_~i~1 15), 25859#(<= main_~i~1 16), 25860#(<= main_~i~1 17), 25861#(<= main_~i~1 18), 25862#(<= main_~i~1 19), 25863#(<= main_~i~1 20), 25864#(<= main_~i~1 21), 25865#(<= main_~i~1 22), 25866#(<= main_~i~1 23), 25867#(<= main_~i~1 24), 25841#true, 25842#false, 25843#(= main_~i~1 0), 25844#(<= main_~i~1 1), 25845#(<= main_~i~1 2), 25846#(<= main_~i~1 3), 25847#(<= main_~i~1 4), 25848#(<= main_~i~1 5), 25849#(<= main_~i~1 6), 25850#(<= main_~i~1 7), 25851#(<= main_~i~1 8), 25852#(<= main_~i~1 9), 25853#(<= main_~i~1 10), 25854#(<= main_~i~1 11), 25855#(<= main_~i~1 12)] [2018-04-13 00:12:11,315 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 00:12:11,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-13 00:12:11,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-13 00:12:11,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-04-13 00:12:11,315 INFO L87 Difference]: Start difference. First operand 435 states and 484 transitions. Second operand 27 states. [2018-04-13 00:12:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:11,542 INFO L93 Difference]: Finished difference Result 578 states and 606 transitions. [2018-04-13 00:12:11,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-13 00:12:11,542 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 3763 [2018-04-13 00:12:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:11,545 INFO L225 Difference]: With dead ends: 578 [2018-04-13 00:12:11,545 INFO L226 Difference]: Without dead ends: 578 [2018-04-13 00:12:11,545 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 00:12:11,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-04-13 00:12:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 446. [2018-04-13 00:12:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2018-04-13 00:12:11,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 497 transitions. [2018-04-13 00:12:11,549 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 497 transitions. Word has length 3763 [2018-04-13 00:12:11,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:11,550 INFO L459 AbstractCegarLoop]: Abstraction has 446 states and 497 transitions. [2018-04-13 00:12:11,550 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-13 00:12:11,550 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 497 transitions. [2018-04-13 00:12:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3920 [2018-04-13 00:12:11,601 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:11,602 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 00:12:11,602 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 00:12:11,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1670682002, now seen corresponding path program 48 times [2018-04-13 00:12:11,602 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:11,784 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:16,712 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 00:12:16,712 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:16,712 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 00:12:16,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:16,713 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 00:12:16,713 INFO L182 omatonBuilderFactory]: Interpolants [26892#true, 26893#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26902#(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))), 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 9) (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 10) (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_~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))), 26906#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26907#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 26913#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26914#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26915#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26916#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26917#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26918#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 26919#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:12:16,724 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 00:12:16,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 00:12:16,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 00:12:16,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=403, Unknown=0, NotChecked=0, Total=756 [2018-04-13 00:12:16,725 INFO L87 Difference]: Start difference. First operand 446 states and 497 transitions. Second operand 28 states. [2018-04-13 00:12:16,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:16,870 INFO L93 Difference]: Finished difference Result 459 states and 510 transitions. [2018-04-13 00:12:16,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 00:12:16,871 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 3919 [2018-04-13 00:12:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:16,873 INFO L225 Difference]: With dead ends: 459 [2018-04-13 00:12:16,874 INFO L226 Difference]: Without dead ends: 456 [2018-04-13 00:12:16,874 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 00:12:16,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2018-04-13 00:12:16,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 452. [2018-04-13 00:12:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2018-04-13 00:12:16,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 503 transitions. [2018-04-13 00:12:16,881 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 503 transitions. Word has length 3919 [2018-04-13 00:12:16,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:16,882 INFO L459 AbstractCegarLoop]: Abstraction has 452 states and 503 transitions. [2018-04-13 00:12:16,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 00:12:16,882 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 503 transitions. [2018-04-13 00:12:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4070 [2018-04-13 00:12:16,945 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:16,945 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 00:12:16,945 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 00:12:16,945 INFO L82 PathProgramCache]: Analyzing trace with hash -865296522, now seen corresponding path program 49 times [2018-04-13 00:12:16,946 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:17,165 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:21,608 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 00:12:21,608 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:21,609 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-13 00:12:21,609 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:21,610 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 00:12:21,610 INFO L182 omatonBuilderFactory]: Interpolants [27840#(<= main_~i~1 5), 27841#(<= main_~i~1 6), 27842#(<= main_~i~1 7), 27843#(<= main_~i~1 8), 27844#(<= main_~i~1 9), 27845#(<= main_~i~1 10), 27846#(<= main_~i~1 11), 27847#(<= main_~i~1 12), 27848#(<= main_~i~1 13), 27849#(<= main_~i~1 14), 27850#(<= main_~i~1 15), 27851#(<= main_~i~1 16), 27852#(<= main_~i~1 17), 27853#(<= main_~i~1 18), 27854#(<= main_~i~1 19), 27855#(<= main_~i~1 20), 27856#(<= main_~i~1 21), 27857#(<= main_~i~1 22), 27858#(<= main_~i~1 23), 27859#(<= main_~i~1 24), 27860#(<= main_~i~1 25), 27833#true, 27834#false, 27835#(= main_~i~1 0), 27836#(<= main_~i~1 1), 27837#(<= main_~i~1 2), 27838#(<= main_~i~1 3), 27839#(<= main_~i~1 4)] [2018-04-13 00:12:21,620 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 00:12:21,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-13 00:12:21,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-13 00:12:21,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-04-13 00:12:21,621 INFO L87 Difference]: Start difference. First operand 452 states and 503 transitions. Second operand 28 states. [2018-04-13 00:12:21,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:21,837 INFO L93 Difference]: Finished difference Result 600 states and 629 transitions. [2018-04-13 00:12:21,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-13 00:12:21,837 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 4069 [2018-04-13 00:12:21,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:21,840 INFO L225 Difference]: With dead ends: 600 [2018-04-13 00:12:21,840 INFO L226 Difference]: Without dead ends: 600 [2018-04-13 00:12:21,840 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 00:12:21,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-04-13 00:12:21,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 463. [2018-04-13 00:12:21,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-04-13 00:12:21,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 516 transitions. [2018-04-13 00:12:21,844 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 516 transitions. Word has length 4069 [2018-04-13 00:12:21,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:21,846 INFO L459 AbstractCegarLoop]: Abstraction has 463 states and 516 transitions. [2018-04-13 00:12:21,846 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-13 00:12:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 516 transitions. [2018-04-13 00:12:21,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4232 [2018-04-13 00:12:21,905 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:21,905 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 00:12:21,905 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 00:12:21,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1276929793, now seen corresponding path program 50 times [2018-04-13 00:12:21,906 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:22,096 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:27,919 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 00:12:27,920 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:27,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 00:12:27,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:27,921 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 00:12:27,921 INFO L182 omatonBuilderFactory]: Interpolants [28928#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28934#(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))), 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 9) (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 10) (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_~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))), 28938#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28939#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 28945#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28946#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28947#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28948#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28949#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28950#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 28951#(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))), 28952#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 28924#true, 28925#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:12:27,935 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 00:12:27,935 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 00:12:27,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 00:12:27,935 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=432, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:12:27,935 INFO L87 Difference]: Start difference. First operand 463 states and 516 transitions. Second operand 29 states. [2018-04-13 00:12:28,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:28,055 INFO L93 Difference]: Finished difference Result 476 states and 529 transitions. [2018-04-13 00:12:28,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-13 00:12:28,056 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 4231 [2018-04-13 00:12:28,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:28,057 INFO L225 Difference]: With dead ends: 476 [2018-04-13 00:12:28,057 INFO L226 Difference]: Without dead ends: 473 [2018-04-13 00:12:28,057 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:12:28,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-04-13 00:12:28,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 469. [2018-04-13 00:12:28,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-04-13 00:12:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 522 transitions. [2018-04-13 00:12:28,061 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 522 transitions. Word has length 4231 [2018-04-13 00:12:28,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:28,061 INFO L459 AbstractCegarLoop]: Abstraction has 469 states and 522 transitions. [2018-04-13 00:12:28,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 00:12:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 522 transitions. [2018-04-13 00:12:28,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4388 [2018-04-13 00:12:28,123 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:28,124 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 00:12:28,124 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 00:12:28,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1844411535, now seen corresponding path program 51 times [2018-04-13 00:12:28,124 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:28,334 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:33,466 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 00:12:33,467 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:33,467 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-13 00:12:33,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:33,469 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 00:12:33,469 INFO L182 omatonBuilderFactory]: Interpolants [29900#true, 29901#false, 29902#(= main_~i~1 0), 29903#(<= main_~i~1 1), 29904#(<= main_~i~1 2), 29905#(<= main_~i~1 3), 29906#(<= main_~i~1 4), 29907#(<= main_~i~1 5), 29908#(<= main_~i~1 6), 29909#(<= main_~i~1 7), 29910#(<= main_~i~1 8), 29911#(<= main_~i~1 9), 29912#(<= main_~i~1 10), 29913#(<= main_~i~1 11), 29914#(<= main_~i~1 12), 29915#(<= main_~i~1 13), 29916#(<= main_~i~1 14), 29917#(<= main_~i~1 15), 29918#(<= main_~i~1 16), 29919#(<= main_~i~1 17), 29920#(<= main_~i~1 18), 29921#(<= main_~i~1 19), 29922#(<= main_~i~1 20), 29923#(<= main_~i~1 21), 29924#(<= main_~i~1 22), 29925#(<= main_~i~1 23), 29926#(<= main_~i~1 24), 29927#(<= main_~i~1 25), 29928#(<= main_~i~1 26)] [2018-04-13 00:12:33,482 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 00:12:33,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-13 00:12:33,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-13 00:12:33,482 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:12:33,482 INFO L87 Difference]: Start difference. First operand 469 states and 522 transitions. Second operand 29 states. [2018-04-13 00:12:33,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:33,769 INFO L93 Difference]: Finished difference Result 622 states and 652 transitions. [2018-04-13 00:12:33,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-13 00:12:33,769 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 4387 [2018-04-13 00:12:33,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:33,772 INFO L225 Difference]: With dead ends: 622 [2018-04-13 00:12:33,772 INFO L226 Difference]: Without dead ends: 622 [2018-04-13 00:12:33,773 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-04-13 00:12:33,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-04-13 00:12:33,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 480. [2018-04-13 00:12:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2018-04-13 00:12:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 535 transitions. [2018-04-13 00:12:33,777 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 535 transitions. Word has length 4387 [2018-04-13 00:12:33,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:33,778 INFO L459 AbstractCegarLoop]: Abstraction has 480 states and 535 transitions. [2018-04-13 00:12:33,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-13 00:12:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 535 transitions. [2018-04-13 00:12:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4556 [2018-04-13 00:12:33,850 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:33,850 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 00:12:33,850 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 00:12:33,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1112808032, now seen corresponding path program 52 times [2018-04-13 00:12:33,851 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:34,076 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:40,606 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 00:12:40,606 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:40,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 00:12:40,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:40,608 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 00:12:40,608 INFO L182 omatonBuilderFactory]: Interpolants [31040#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31041#(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))), 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 9) (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 10) (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_~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))), 31045#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31046#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 31052#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 20) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 31054#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31055#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31056#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31057#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31058#(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))), 31059#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 31060#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 31031#true, 31032#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:12:40,623 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 00:12:40,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 00:12:40,623 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 00:12:40,623 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=462, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:12:40,623 INFO L87 Difference]: Start difference. First operand 480 states and 535 transitions. Second operand 30 states. [2018-04-13 00:12:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:40,736 INFO L93 Difference]: Finished difference Result 493 states and 548 transitions. [2018-04-13 00:12:40,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 00:12:40,736 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 4555 [2018-04-13 00:12:40,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:40,737 INFO L225 Difference]: With dead ends: 493 [2018-04-13 00:12:40,737 INFO L226 Difference]: Without dead ends: 490 [2018-04-13 00:12:40,737 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:12:40,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2018-04-13 00:12:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 486. [2018-04-13 00:12:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-04-13 00:12:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 541 transitions. [2018-04-13 00:12:40,741 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 541 transitions. Word has length 4555 [2018-04-13 00:12:40,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:40,741 INFO L459 AbstractCegarLoop]: Abstraction has 486 states and 541 transitions. [2018-04-13 00:12:40,741 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 00:12:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 541 transitions. [2018-04-13 00:12:40,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4718 [2018-04-13 00:12:40,811 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:40,811 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 00:12:40,811 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 00:12:40,811 INFO L82 PathProgramCache]: Analyzing trace with hash -969485064, now seen corresponding path program 53 times [2018-04-13 00:12:40,812 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:41,044 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:46,823 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 00:12:46,823 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:46,824 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-13 00:12:46,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:46,825 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 00:12:46,825 INFO L182 omatonBuilderFactory]: Interpolants [32064#(<= main_~i~1 20), 32065#(<= main_~i~1 21), 32066#(<= main_~i~1 22), 32067#(<= main_~i~1 23), 32068#(<= main_~i~1 24), 32069#(<= main_~i~1 25), 32070#(<= main_~i~1 26), 32071#(<= main_~i~1 27), 32042#true, 32043#false, 32044#(= main_~i~1 0), 32045#(<= main_~i~1 1), 32046#(<= main_~i~1 2), 32047#(<= main_~i~1 3), 32048#(<= main_~i~1 4), 32049#(<= main_~i~1 5), 32050#(<= main_~i~1 6), 32051#(<= main_~i~1 7), 32052#(<= main_~i~1 8), 32053#(<= main_~i~1 9), 32054#(<= main_~i~1 10), 32055#(<= main_~i~1 11), 32056#(<= main_~i~1 12), 32057#(<= main_~i~1 13), 32058#(<= main_~i~1 14), 32059#(<= main_~i~1 15), 32060#(<= main_~i~1 16), 32061#(<= main_~i~1 17), 32062#(<= main_~i~1 18), 32063#(<= main_~i~1 19)] [2018-04-13 00:12:46,839 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 00:12:46,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-13 00:12:46,840 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-13 00:12:46,840 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-04-13 00:12:46,840 INFO L87 Difference]: Start difference. First operand 486 states and 541 transitions. Second operand 30 states. [2018-04-13 00:12:47,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:47,061 INFO L93 Difference]: Finished difference Result 644 states and 675 transitions. [2018-04-13 00:12:47,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-13 00:12:47,061 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 4717 [2018-04-13 00:12:47,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:47,064 INFO L225 Difference]: With dead ends: 644 [2018-04-13 00:12:47,064 INFO L226 Difference]: Without dead ends: 644 [2018-04-13 00:12:47,065 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 00:12:47,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2018-04-13 00:12:47,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 497. [2018-04-13 00:12:47,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-04-13 00:12:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 554 transitions. [2018-04-13 00:12:47,070 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 554 transitions. Word has length 4717 [2018-04-13 00:12:47,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:47,071 INFO L459 AbstractCegarLoop]: Abstraction has 497 states and 554 transitions. [2018-04-13 00:12:47,071 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-13 00:12:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 554 transitions. [2018-04-13 00:12:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4892 [2018-04-13 00:12:47,149 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:47,149 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 00:12:47,149 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 00:12:47,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1413583343, now seen corresponding path program 54 times [2018-04-13 00:12:47,150 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:47,442 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:12:54,815 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 00:12:54,816 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:12:54,816 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-13 00:12:54,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:12:54,817 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 00:12:54,817 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33223#(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))), 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 9) (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 10) (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_~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))), 33227#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33228#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 33234#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 20) (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 21) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 33237#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33238#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33239#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33240#(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))), 33241#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33242#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 33243#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 33213#true, 33214#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0))] [2018-04-13 00:12:54,835 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 00:12:54,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 00:12:54,836 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 00:12:54,836 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=493, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:12:54,836 INFO L87 Difference]: Start difference. First operand 497 states and 554 transitions. Second operand 31 states. [2018-04-13 00:12:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:12:54,979 INFO L93 Difference]: Finished difference Result 510 states and 567 transitions. [2018-04-13 00:12:54,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 00:12:54,979 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 4891 [2018-04-13 00:12:54,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:12:54,981 INFO L225 Difference]: With dead ends: 510 [2018-04-13 00:12:54,981 INFO L226 Difference]: Without dead ends: 507 [2018-04-13 00:12:54,981 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 00:12:54,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-04-13 00:12:54,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 503. [2018-04-13 00:12:54,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 503 states. [2018-04-13 00:12:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 560 transitions. [2018-04-13 00:12:54,985 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 560 transitions. Word has length 4891 [2018-04-13 00:12:54,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:12:54,986 INFO L459 AbstractCegarLoop]: Abstraction has 503 states and 560 transitions. [2018-04-13 00:12:54,986 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 00:12:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 560 transitions. [2018-04-13 00:12:55,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5060 [2018-04-13 00:12:55,073 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:12:55,073 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 00:12:55,073 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 00:12:55,074 INFO L82 PathProgramCache]: Analyzing trace with hash 695304817, now seen corresponding path program 55 times [2018-04-13 00:12:55,074 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:12:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:12:55,324 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:13:02,122 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 00:13:02,122 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:13:02,122 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-13 00:13:02,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:13:02,124 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 00:13:02,124 INFO L182 omatonBuilderFactory]: Interpolants [34259#true, 34260#false, 34261#(= main_~i~1 0), 34262#(<= main_~i~1 1), 34263#(<= main_~i~1 2), 34264#(<= main_~i~1 3), 34265#(<= main_~i~1 4), 34266#(<= main_~i~1 5), 34267#(<= main_~i~1 6), 34268#(<= main_~i~1 7), 34269#(<= main_~i~1 8), 34270#(<= main_~i~1 9), 34271#(<= main_~i~1 10), 34272#(<= main_~i~1 11), 34273#(<= main_~i~1 12), 34274#(<= main_~i~1 13), 34275#(<= main_~i~1 14), 34276#(<= main_~i~1 15), 34277#(<= main_~i~1 16), 34278#(<= main_~i~1 17), 34279#(<= main_~i~1 18), 34280#(<= main_~i~1 19), 34281#(<= main_~i~1 20), 34282#(<= main_~i~1 21), 34283#(<= main_~i~1 22), 34284#(<= main_~i~1 23), 34285#(<= main_~i~1 24), 34286#(<= main_~i~1 25), 34287#(<= main_~i~1 26), 34288#(<= main_~i~1 27), 34289#(<= main_~i~1 28)] [2018-04-13 00:13:02,141 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 00:13:02,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-13 00:13:02,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-13 00:13:02,142 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-04-13 00:13:02,142 INFO L87 Difference]: Start difference. First operand 503 states and 560 transitions. Second operand 31 states. [2018-04-13 00:13:02,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:13:02,556 INFO L93 Difference]: Finished difference Result 666 states and 698 transitions. [2018-04-13 00:13:02,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-13 00:13:02,557 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 5059 [2018-04-13 00:13:02,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:13:02,560 INFO L225 Difference]: With dead ends: 666 [2018-04-13 00:13:02,560 INFO L226 Difference]: Without dead ends: 666 [2018-04-13 00:13:02,560 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 00:13:02,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2018-04-13 00:13:02,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 514. [2018-04-13 00:13:02,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2018-04-13 00:13:02,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 573 transitions. [2018-04-13 00:13:02,565 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 573 transitions. Word has length 5059 [2018-04-13 00:13:02,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:13:02,566 INFO L459 AbstractCegarLoop]: Abstraction has 514 states and 573 transitions. [2018-04-13 00:13:02,566 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-13 00:13:02,566 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 573 transitions. [2018-04-13 00:13:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5240 [2018-04-13 00:13:02,652 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:13:02,653 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 00:13:02,653 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 00:13:02,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1558501358, now seen corresponding path program 56 times [2018-04-13 00:13:02,654 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:13:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:13:02,955 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:13:11,465 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 00:13:11,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:13:11,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 00:13:11,465 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:13:11,467 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 00:13:11,467 INFO L182 omatonBuilderFactory]: Interpolants [35470#true, 35471#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35480#(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))), 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 9) (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 10) (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_~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))), 35484#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35485#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 35491#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 20) (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 21) (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 22) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 35495#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35496#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35497#(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))), 35498#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35499#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35500#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 35501#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:13:11,486 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 00:13:11,487 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-13 00:13:11,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-13 00:13:11,487 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=467, Invalid=525, Unknown=0, NotChecked=0, Total=992 [2018-04-13 00:13:11,487 INFO L87 Difference]: Start difference. First operand 514 states and 573 transitions. Second operand 32 states. [2018-04-13 00:13:11,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:13:11,629 INFO L93 Difference]: Finished difference Result 527 states and 586 transitions. [2018-04-13 00:13:11,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 00:13:11,630 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 5239 [2018-04-13 00:13:11,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:13:11,631 INFO L225 Difference]: With dead ends: 527 [2018-04-13 00:13:11,631 INFO L226 Difference]: Without dead ends: 524 [2018-04-13 00:13:11,631 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 00:13:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2018-04-13 00:13:11,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 520. [2018-04-13 00:13:11,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-04-13 00:13:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 579 transitions. [2018-04-13 00:13:11,635 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 579 transitions. Word has length 5239 [2018-04-13 00:13:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:13:11,636 INFO L459 AbstractCegarLoop]: Abstraction has 520 states and 579 transitions. [2018-04-13 00:13:11,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-13 00:13:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 579 transitions. [2018-04-13 00:13:11,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5414 [2018-04-13 00:13:11,729 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:13:11,730 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 00:13:11,730 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 00:13:11,730 INFO L82 PathProgramCache]: Analyzing trace with hash -231688518, now seen corresponding path program 57 times [2018-04-13 00:13:11,731 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:13:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:13:12,021 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:13:20,861 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 00:13:20,862 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:13:20,862 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-13 00:13:20,862 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:13:20,864 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 00:13:20,864 INFO L182 omatonBuilderFactory]: Interpolants [36551#true, 36552#false, 36553#(= main_~i~1 0), 36554#(<= main_~i~1 1), 36555#(<= main_~i~1 2), 36556#(<= main_~i~1 3), 36557#(<= main_~i~1 4), 36558#(<= main_~i~1 5), 36559#(<= main_~i~1 6), 36560#(<= main_~i~1 7), 36561#(<= main_~i~1 8), 36562#(<= main_~i~1 9), 36563#(<= main_~i~1 10), 36564#(<= main_~i~1 11), 36565#(<= main_~i~1 12), 36566#(<= main_~i~1 13), 36567#(<= main_~i~1 14), 36568#(<= main_~i~1 15), 36569#(<= main_~i~1 16), 36570#(<= main_~i~1 17), 36571#(<= main_~i~1 18), 36572#(<= main_~i~1 19), 36573#(<= main_~i~1 20), 36574#(<= main_~i~1 21), 36575#(<= main_~i~1 22), 36576#(<= main_~i~1 23), 36577#(<= main_~i~1 24), 36578#(<= main_~i~1 25), 36579#(<= main_~i~1 26), 36580#(<= main_~i~1 27), 36581#(<= main_~i~1 28), 36582#(<= main_~i~1 29)] [2018-04-13 00:13:20,883 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 00:13:20,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-13 00:13:20,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-13 00:13:20,883 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-04-13 00:13:20,883 INFO L87 Difference]: Start difference. First operand 520 states and 579 transitions. Second operand 32 states. [2018-04-13 00:13:21,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:13:21,252 INFO L93 Difference]: Finished difference Result 688 states and 721 transitions. [2018-04-13 00:13:21,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-13 00:13:21,252 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 5413 [2018-04-13 00:13:21,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:13:21,256 INFO L225 Difference]: With dead ends: 688 [2018-04-13 00:13:21,256 INFO L226 Difference]: Without dead ends: 688 [2018-04-13 00:13:21,256 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 00:13:21,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2018-04-13 00:13:21,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 531. [2018-04-13 00:13:21,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-04-13 00:13:21,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 592 transitions. [2018-04-13 00:13:21,261 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 592 transitions. Word has length 5413 [2018-04-13 00:13:21,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:13:21,263 INFO L459 AbstractCegarLoop]: Abstraction has 531 states and 592 transitions. [2018-04-13 00:13:21,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-13 00:13:21,263 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 592 transitions. [2018-04-13 00:13:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5600 [2018-04-13 00:13:21,368 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:13:21,368 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 00:13:21,368 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 00:13:21,369 INFO L82 PathProgramCache]: Analyzing trace with hash 2040209763, now seen corresponding path program 58 times [2018-04-13 00:13:21,369 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:13:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:13:21,673 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:13:31,157 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 00:13:31,157 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:13:31,158 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-13 00:13:31,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:13:31,160 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 00:13:31,160 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 20) (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 21) (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 22) (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 23) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 37828#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37829#(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))), 37830#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37831#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37832#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37833#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37834#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 37802#true, 37803#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37812#(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))), 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 9) (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 10) (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_~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))), 37816#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 37817#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 37823#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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))))] [2018-04-13 00:13:31,183 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 00:13:31,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-13 00:13:31,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-13 00:13:31,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=558, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:13:31,184 INFO L87 Difference]: Start difference. First operand 531 states and 592 transitions. Second operand 33 states. [2018-04-13 00:13:31,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:13:31,308 INFO L93 Difference]: Finished difference Result 544 states and 605 transitions. [2018-04-13 00:13:31,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 00:13:31,308 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 5599 [2018-04-13 00:13:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:13:31,311 INFO L225 Difference]: With dead ends: 544 [2018-04-13 00:13:31,311 INFO L226 Difference]: Without dead ends: 541 [2018-04-13 00:13:31,311 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 00:13:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2018-04-13 00:13:31,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 537. [2018-04-13 00:13:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-04-13 00:13:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 598 transitions. [2018-04-13 00:13:31,317 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 598 transitions. Word has length 5599 [2018-04-13 00:13:31,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:13:31,318 INFO L459 AbstractCegarLoop]: Abstraction has 537 states and 598 transitions. [2018-04-13 00:13:31,318 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-13 00:13:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 598 transitions. [2018-04-13 00:13:31,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5780 [2018-04-13 00:13:31,427 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:13:31,427 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 00:13:31,427 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 00:13:31,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2025768045, now seen corresponding path program 59 times [2018-04-13 00:13:31,428 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:13:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:13:31,744 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:13:40,152 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 00:13:40,152 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:13:40,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-13 00:13:40,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:13:40,154 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 00:13:40,154 INFO L182 omatonBuilderFactory]: Interpolants [38918#true, 38919#false, 38920#(= main_~i~1 0), 38921#(<= main_~i~1 1), 38922#(<= main_~i~1 2), 38923#(<= main_~i~1 3), 38924#(<= main_~i~1 4), 38925#(<= main_~i~1 5), 38926#(<= main_~i~1 6), 38927#(<= main_~i~1 7), 38928#(<= main_~i~1 8), 38929#(<= main_~i~1 9), 38930#(<= main_~i~1 10), 38931#(<= main_~i~1 11), 38932#(<= main_~i~1 12), 38933#(<= main_~i~1 13), 38934#(<= main_~i~1 14), 38935#(<= main_~i~1 15), 38936#(<= main_~i~1 16), 38937#(<= main_~i~1 17), 38938#(<= main_~i~1 18), 38939#(<= main_~i~1 19), 38940#(<= main_~i~1 20), 38941#(<= main_~i~1 21), 38942#(<= main_~i~1 22), 38943#(<= main_~i~1 23), 38944#(<= main_~i~1 24), 38945#(<= main_~i~1 25), 38946#(<= main_~i~1 26), 38947#(<= main_~i~1 27), 38948#(<= main_~i~1 28), 38949#(<= main_~i~1 29), 38950#(<= main_~i~1 30)] [2018-04-13 00:13:40,175 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 00:13:40,176 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-13 00:13:40,176 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-13 00:13:40,176 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:13:40,176 INFO L87 Difference]: Start difference. First operand 537 states and 598 transitions. Second operand 33 states. [2018-04-13 00:13:40,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:13:40,511 INFO L93 Difference]: Finished difference Result 710 states and 744 transitions. [2018-04-13 00:13:40,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-13 00:13:40,511 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 5779 [2018-04-13 00:13:40,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:13:40,515 INFO L225 Difference]: With dead ends: 710 [2018-04-13 00:13:40,515 INFO L226 Difference]: Without dead ends: 710 [2018-04-13 00:13:40,515 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-04-13 00:13:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2018-04-13 00:13:40,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 548. [2018-04-13 00:13:40,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2018-04-13 00:13:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 611 transitions. [2018-04-13 00:13:40,520 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 611 transitions. Word has length 5779 [2018-04-13 00:13:40,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:13:40,522 INFO L459 AbstractCegarLoop]: Abstraction has 548 states and 611 transitions. [2018-04-13 00:13:40,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-13 00:13:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 611 transitions. [2018-04-13 00:13:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5972 [2018-04-13 00:13:40,636 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:13:40,636 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 00:13:40,636 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 00:13:40,636 INFO L82 PathProgramCache]: Analyzing trace with hash -2047361084, now seen corresponding path program 60 times [2018-04-13 00:13:40,637 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:13:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:13:40,962 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:13:51,642 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 00:13:51,642 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:13:51,642 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-13 00:13:51,642 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:13:51,644 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 00:13:51,644 INFO L182 omatonBuilderFactory]: Interpolants [40209#true, 40210#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40219#(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))), 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 9) (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 10) (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_~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))), 40223#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40224#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 40230#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 20) (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 21) (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 22) (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 23) (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 24) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32)))), 40236#(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))), 40237#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40238#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40239#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40240#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40241#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 40242#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32))] [2018-04-13 00:13:51,669 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 00:13:51,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 00:13:51,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 00:13:51,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=530, Invalid=592, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 00:13:51,670 INFO L87 Difference]: Start difference. First operand 548 states and 611 transitions. Second operand 34 states. [2018-04-13 00:13:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:13:51,811 INFO L93 Difference]: Finished difference Result 561 states and 624 transitions. [2018-04-13 00:13:51,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 00:13:51,812 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 5971 [2018-04-13 00:13:51,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:13:51,813 INFO L225 Difference]: With dead ends: 561 [2018-04-13 00:13:51,813 INFO L226 Difference]: Without dead ends: 558 [2018-04-13 00:13:51,813 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2018-04-13 00:13:51,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-04-13 00:13:51,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 554. [2018-04-13 00:13:51,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-04-13 00:13:51,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 617 transitions. [2018-04-13 00:13:51,818 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 617 transitions. Word has length 5971 [2018-04-13 00:13:51,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:13:51,818 INFO L459 AbstractCegarLoop]: Abstraction has 554 states and 617 transitions. [2018-04-13 00:13:51,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-13 00:13:51,818 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 617 transitions. [2018-04-13 00:13:51,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6158 [2018-04-13 00:13:51,935 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:13:51,935 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 00:13:51,935 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 00:13:51,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1941916996, now seen corresponding path program 61 times [2018-04-13 00:13:51,936 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:13:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:13:52,351 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:14:02,131 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 00:14:02,131 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:14:02,131 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-13 00:14:02,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:14:02,133 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 00:14:02,133 INFO L182 omatonBuilderFactory]: Interpolants [41360#true, 41361#false, 41362#(= main_~i~1 0), 41363#(<= main_~i~1 1), 41364#(<= main_~i~1 2), 41365#(<= main_~i~1 3), 41366#(<= main_~i~1 4), 41367#(<= main_~i~1 5), 41368#(<= main_~i~1 6), 41369#(<= main_~i~1 7), 41370#(<= main_~i~1 8), 41371#(<= main_~i~1 9), 41372#(<= main_~i~1 10), 41373#(<= main_~i~1 11), 41374#(<= main_~i~1 12), 41375#(<= main_~i~1 13), 41376#(<= main_~i~1 14), 41377#(<= main_~i~1 15), 41378#(<= main_~i~1 16), 41379#(<= main_~i~1 17), 41380#(<= main_~i~1 18), 41381#(<= main_~i~1 19), 41382#(<= main_~i~1 20), 41383#(<= main_~i~1 21), 41384#(<= main_~i~1 22), 41385#(<= main_~i~1 23), 41386#(<= main_~i~1 24), 41387#(<= main_~i~1 25), 41388#(<= main_~i~1 26), 41389#(<= main_~i~1 27), 41390#(<= main_~i~1 28), 41391#(<= main_~i~1 29), 41392#(<= main_~i~1 30), 41393#(<= main_~i~1 31)] [2018-04-13 00:14:02,159 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 00:14:02,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-13 00:14:02,159 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-13 00:14:02,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-04-13 00:14:02,159 INFO L87 Difference]: Start difference. First operand 554 states and 617 transitions. Second operand 34 states. [2018-04-13 00:14:02,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:14:02,497 INFO L93 Difference]: Finished difference Result 722 states and 755 transitions. [2018-04-13 00:14:02,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-13 00:14:02,497 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 6157 [2018-04-13 00:14:02,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:14:02,501 INFO L225 Difference]: With dead ends: 722 [2018-04-13 00:14:02,501 INFO L226 Difference]: Without dead ends: 722 [2018-04-13 00:14:02,501 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 00:14:02,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2018-04-13 00:14:02,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 565. [2018-04-13 00:14:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2018-04-13 00:14:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 630 transitions. [2018-04-13 00:14:02,506 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 630 transitions. Word has length 6157 [2018-04-13 00:14:02,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:14:02,507 INFO L459 AbstractCegarLoop]: Abstraction has 565 states and 630 transitions. [2018-04-13 00:14:02,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-13 00:14:02,507 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 630 transitions. [2018-04-13 00:14:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6356 [2018-04-13 00:14:02,634 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:14:02,634 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 00:14:02,634 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 00:14:02,634 INFO L82 PathProgramCache]: Analyzing trace with hash -261226251, now seen corresponding path program 62 times [2018-04-13 00:14:02,635 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:14:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:14:03,084 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:14:15,156 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 00:14:15,157 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 00:14:15,157 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-13 00:14:15,157 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:14:15,159 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 00:14:15,159 INFO L182 omatonBuilderFactory]: Interpolants [42688#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 6) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42691#(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))), 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 9) (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 10) (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_~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))), 42695#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42696#(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))), 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 14) (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 15) (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 16) (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 17) (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_~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))), 42702#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 20) (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 21) (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 22) (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 23) (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 24) (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_~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))), 42709#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42710#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42711#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42712#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42713#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42714#(and (or (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 42715#(not (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| 32)), 42681#true, 42682#false, 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)) (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~i~0 0)), 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 1) (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_~size 32) (= |__U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_#in~size| __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)))), 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 3) (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 4) (not (= __U_MULTI_fArraysOfVariableLength__true_valid_memsafety_true_termination_c__foo_~size 32))))] [2018-04-13 00:14:15,187 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 00:14:15,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-13 00:14:15,188 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-13 00:14:15,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=563, Invalid=627, Unknown=0, NotChecked=0, Total=1190 [2018-04-13 00:14:15,188 INFO L87 Difference]: Start difference. First operand 565 states and 630 transitions. Second operand 35 states. [2018-04-13 00:14:15,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:14:15,343 INFO L93 Difference]: Finished difference Result 578 states and 643 transitions. [2018-04-13 00:14:15,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-13 00:14:15,343 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 6355 [2018-04-13 00:14:15,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:14:15,346 INFO L225 Difference]: With dead ends: 578 [2018-04-13 00:14:15,346 INFO L226 Difference]: Without dead ends: 575 [2018-04-13 00:14:15,346 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=597, Invalid=663, Unknown=0, NotChecked=0, Total=1260 [2018-04-13 00:14:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2018-04-13 00:14:15,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 571. [2018-04-13 00:14:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-04-13 00:14:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 636 transitions. [2018-04-13 00:14:15,352 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 636 transitions. Word has length 6355 [2018-04-13 00:14:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:14:15,352 INFO L459 AbstractCegarLoop]: Abstraction has 571 states and 636 transitions. [2018-04-13 00:14:15,352 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-13 00:14:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 636 transitions. [2018-04-13 00:14:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6548 [2018-04-13 00:14:15,493 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 00:14:15,493 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 00:14:15,494 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 00:14:15,494 INFO L82 PathProgramCache]: Analyzing trace with hash -1604921867, now seen corresponding path program 63 times [2018-04-13 00:14:15,494 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 00:14:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 00:14:16,235 WARN L250 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-13 00:14:28,152 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 00:14:28,152 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 00:14:28,153 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 00:14:28,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 00:14:28,155 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 00:14:28,155 INFO L182 omatonBuilderFactory]: Interpolants [43867#true, 43868#false, 43869#(= |#valid| |old(#valid)|), 43870#(= (store |#valid| |main_~#mask~0.base| 0) |old(#valid)|)] [2018-04-13 00:14:28,183 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 00:14:28,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 00:14:28,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 00:14:28,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 00:14:28,183 INFO L87 Difference]: Start difference. First operand 571 states and 636 transitions. Second operand 4 states. [2018-04-13 00:14:28,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 00:14:28,217 INFO L93 Difference]: Finished difference Result 570 states and 635 transitions. [2018-04-13 00:14:28,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 00:14:28,217 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6547 [2018-04-13 00:14:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 00:14:28,220 INFO L225 Difference]: With dead ends: 570 [2018-04-13 00:14:28,220 INFO L226 Difference]: Without dead ends: 0 [2018-04-13 00:14:28,220 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 00:14:28,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-13 00:14:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-13 00:14:28,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-13 00:14:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-13 00:14:28,220 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6547 [2018-04-13 00:14:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 00:14:28,220 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-13 00:14:28,220 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 00:14:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-13 00:14:28,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-13 00:14:28,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 12:14:28 BoogieIcfgContainer [2018-04-13 00:14:28,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-13 00:14:28,225 INFO L168 Benchmark]: Toolchain (without parser) took 200665.09 ms. Allocated memory was 404.2 MB in the beginning and 2.8 GB in the end (delta: 2.4 GB). Free memory was 345.1 MB in the beginning and 1.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.0 GB. Max. memory is 5.3 GB. [2018-04-13 00:14:28,226 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 404.2 MB. Free memory is still 365.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 00:14:28,227 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.62 ms. Allocated memory is still 404.2 MB. Free memory was 345.1 MB in the beginning and 334.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-04-13 00:14:28,227 INFO L168 Benchmark]: Boogie Preprocessor took 30.31 ms. Allocated memory is still 404.2 MB. Free memory is still 334.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 00:14:28,227 INFO L168 Benchmark]: RCFGBuilder took 249.75 ms. Allocated memory was 404.2 MB in the beginning and 591.4 MB in the end (delta: 187.2 MB). Free memory was 334.5 MB in the beginning and 556.1 MB in the end (delta: -221.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 5.3 GB. [2018-04-13 00:14:28,227 INFO L168 Benchmark]: TraceAbstraction took 200209.39 ms. Allocated memory was 591.4 MB in the beginning and 2.8 GB in the end (delta: 2.2 GB). Free memory was 553.4 MB in the beginning and 1.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 5.3 GB. [2018-04-13 00:14:28,229 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 404.2 MB. Free memory is still 365.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 172.62 ms. Allocated memory is still 404.2 MB. Free memory was 345.1 MB in the beginning and 334.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 30.31 ms. Allocated memory is still 404.2 MB. Free memory is still 334.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * RCFGBuilder took 249.75 ms. Allocated memory was 404.2 MB in the beginning and 591.4 MB in the end (delta: 187.2 MB). Free memory was 334.5 MB in the beginning and 556.1 MB in the end (delta: -221.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 200209.39 ms. Allocated memory was 591.4 MB in the beginning and 2.8 GB in the end (delta: 2.2 GB). Free memory was 553.4 MB in the beginning and 1.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.1 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: 30]: 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: 27]: 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, 200.1s OverallTime, 69 OverallIterations, 1056 TraceHistogramMax, 8.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2832 SDtfs, 9771 SDslu, 26439 SDs, 0 SdLazy, 15546 SolverSat, 1324 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1282 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 1149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 13.3s 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, 7.3s SatisfiabilityAnalysisTime, 36.8s 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/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_00-14-28-235.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/ArraysOfVariableLength6_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-13_00-14-28-235.csv Received shutdown request...