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_z3.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memset_true-valid-memsafety_true-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-12 07:34:41,963 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-12 07:34:41,964 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-12 07:34:41,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-12 07:34:41,977 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-12 07:34:41,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-12 07:34:41,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-12 07:34:41,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-12 07:34:41,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-12 07:34:41,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-12 07:34:41,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-12 07:34:41,983 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-12 07:34:41,984 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-12 07:34:41,984 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-12 07:34:41,985 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-12 07:34:41,987 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-12 07:34:41,988 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-12 07:34:41,990 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-12 07:34:41,990 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-12 07:34:41,991 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-12 07:34:41,993 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-12 07:34:41,993 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-12 07:34:41,993 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-12 07:34:41,994 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-12 07:34:41,995 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-12 07:34:41,996 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-12 07:34:41,996 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-12 07:34:41,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-12 07:34:41,997 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-12 07:34:41,997 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-12 07:34:41,998 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-12 07:34:41,998 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-04-12 07:34:42,019 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-12 07:34:42,020 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-12 07:34:42,021 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * Use SBE=true [2018-04-12 07:34:42,021 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-12 07:34:42,021 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-12 07:34:42,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-12 07:34:42,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-12 07:34:42,022 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-12 07:34:42,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-12 07:34:42,023 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-12 07:34:42,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Bitprecise bitfields -> false [2018-04-12 07:34:42,050 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-12 07:34:42,059 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-12 07:34:42,062 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-12 07:34:42,063 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-12 07:34:42,064 INFO L276 PluginConnector]: CDTParser initialized [2018-04-12 07:34:42,064 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,356 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG086ab1b07 [2018-04-12 07:34:42,437 INFO L287 CDTParser]: IsIndexed: true [2018-04-12 07:34:42,437 INFO L288 CDTParser]: Found 1 translation units. [2018-04-12 07:34:42,437 INFO L168 CDTParser]: Scanning memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,438 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-12 07:34:42,438 INFO L215 ultiparseSymbolTable]: [2018-04-12 07:34:42,438 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-12 07:34:42,439 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,439 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-12 07:34:42,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_true_valid_memsafety_true_termination_c____u32 in memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_true_valid_memsafety_true_termination_c__size_t in memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,439 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fmemset_true_valid_memsafety_true_termination_c____kernel_size_t in memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,450 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG086ab1b07 [2018-04-12 07:34:42,453 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-12 07:34:42,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-12 07:34:42,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-12 07:34:42,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-12 07:34:42,458 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-12 07:34:42,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a4a4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42, skipping insertion in model container [2018-04-12 07:34:42,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,471 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 07:34:42,479 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-12 07:34:42,567 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 07:34:42,585 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-12 07:34:42,588 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 7 non ball SCCs. Number of states in SCCs 7. [2018-04-12 07:34:42,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42 WrapperNode [2018-04-12 07:34:42,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-12 07:34:42,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-12 07:34:42,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-12 07:34:42,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-12 07:34:42,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,607 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (1/1) ... [2018-04-12 07:34:42,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-12 07:34:42,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-12 07:34:42,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-12 07:34:42,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-12 07:34:42,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (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 [2018-04-12 07:34:42,647 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-12 07:34:42,647 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-12 07:34:42,647 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-12 07:34:42,647 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2018-04-12 07:34:42,647 INFO L128 BoogieDeclarations]: Found specification of procedure memset [2018-04-12 07:34:42,647 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-12 07:34:42,647 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-12 07:34:42,648 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2018-04-12 07:34:42,648 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-12 07:34:42,648 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-12 07:34:42,648 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-12 07:34:42,763 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-12 07:34:42,810 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-12 07:34:42,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:34:42 BoogieIcfgContainer [2018-04-12 07:34:42,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-12 07:34:42,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-12 07:34:42,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-12 07:34:42,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-12 07:34:42,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.04 07:34:42" (1/3) ... [2018-04-12 07:34:42,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b1c940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:34:42, skipping insertion in model container [2018-04-12 07:34:42,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.04 07:34:42" (2/3) ... [2018-04-12 07:34:42,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19b1c940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.04 07:34:42, skipping insertion in model container [2018-04-12 07:34:42,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.04 07:34:42" (3/3) ... [2018-04-12 07:34:42,815 INFO L107 eAbstractionObserver]: Analyzing ICFG memset_true-valid-memsafety_true-termination.c [2018-04-12 07:34:42,821 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-12 07:34:42,825 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-04-12 07:34:42,851 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-12 07:34:42,851 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-12 07:34:42,851 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-12 07:34:42,851 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-12 07:34:42,851 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-12 07:34:42,851 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-12 07:34:42,852 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-12 07:34:42,852 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-12 07:34:42,852 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-12 07:34:42,852 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-12 07:34:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-04-12 07:34:42,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-04-12 07:34:42,866 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:42,867 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:42,867 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:42,870 INFO L82 PathProgramCache]: Analyzing trace with hash 682221498, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:42,878 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:42,896 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-12 07:34:42,906 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:42,906 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:42,907 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:42,907 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:42,933 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-04-12 07:34:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:42,978 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 07:34:42,979 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 07:34:42,979 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:42,980 INFO L182 omatonBuilderFactory]: Interpolants [32#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 25#true, 26#false, 30#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 31#(= 1 (select |#valid| |main_~#cstats~0.base|))] [2018-04-12 07:34:42,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:42,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 07:34:42,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 07:34:42,989 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-04-12 07:34:42,990 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 5 states. [2018-04-12 07:34:43,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:43,046 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-04-12 07:34:43,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 07:34:43,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-04-12 07:34:43,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:43,056 INFO L225 Difference]: With dead ends: 21 [2018-04-12 07:34:43,056 INFO L226 Difference]: Without dead ends: 18 [2018-04-12 07:34:43,058 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=12, Unknown=2, NotChecked=6, Total=30 [2018-04-12 07:34:43,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-04-12 07:34:43,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-04-12 07:34:43,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-04-12 07:34:43,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-04-12 07:34:43,085 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 7 [2018-04-12 07:34:43,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:43,086 INFO L459 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-04-12 07:34:43,086 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 07:34:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-04-12 07:34:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-04-12 07:34:43,086 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:43,087 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:43,087 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:43,087 INFO L82 PathProgramCache]: Analyzing trace with hash 682221499, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:43,091 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,100 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-12 07:34:43,104 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:43,104 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:43,104 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:43,105 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-12 07:34:43,110 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 80) (store %0 %1 80)) :qid itp)) :qid itp)) is different from true [2018-04-12 07:34:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,180 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 07:34:43,181 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-04-12 07:34:43,181 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,181 INFO L182 omatonBuilderFactory]: Interpolants [80#(and (= 80 (select |#length| |main_~#cstats~0.base|)) (<= 0 |main_~#cstats~0.offset|) (<= (+ |main_~#cstats~0.offset| 80) (select |#length| |main_~#cstats~0.base|))), 81#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 74#true, 75#false, 79#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 80) (store %0 %1 80)) :qid itp)) :qid itp))] [2018-04-12 07:34:43,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 07:34:43,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 07:34:43,183 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2018-04-12 07:34:43,184 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 5 states. [2018-04-12 07:34:43,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:43,257 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-04-12 07:34:43,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 07:34:43,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2018-04-12 07:34:43,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:43,258 INFO L225 Difference]: With dead ends: 17 [2018-04-12 07:34:43,259 INFO L226 Difference]: Without dead ends: 17 [2018-04-12 07:34:43,259 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=11, Unknown=3, NotChecked=6, Total=30 [2018-04-12 07:34:43,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-04-12 07:34:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-04-12 07:34:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-04-12 07:34:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-04-12 07:34:43,262 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 7 [2018-04-12 07:34:43,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:43,262 INFO L459 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-04-12 07:34:43,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 07:34:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-04-12 07:34:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-04-12 07:34:43,263 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:43,263 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:43,263 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:43,263 INFO L82 PathProgramCache]: Analyzing trace with hash -898824040, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:43,266 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,331 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-12 07:34:43,331 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-12 07:34:43,331 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,332 INFO L182 omatonBuilderFactory]: Interpolants [128#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 129#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 130#(<= |#Ultimate.C_memset_#amount| 0), 118#true, 119#false] [2018-04-12 07:34:43,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,332 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-04-12 07:34:43,332 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-04-12 07:34:43,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-04-12 07:34:43,333 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2018-04-12 07:34:43,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:43,399 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-04-12 07:34:43,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-12 07:34:43,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2018-04-12 07:34:43,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:43,400 INFO L225 Difference]: With dead ends: 20 [2018-04-12 07:34:43,400 INFO L226 Difference]: Without dead ends: 18 [2018-04-12 07:34:43,400 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-04-12 07:34:43,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-04-12 07:34:43,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-04-12 07:34:43,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-04-12 07:34:43,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-04-12 07:34:43,403 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-04-12 07:34:43,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:43,403 INFO L459 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-04-12 07:34:43,403 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-04-12 07:34:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-04-12 07:34:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-04-12 07:34:43,403 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:43,404 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:43,404 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:43,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1616948477, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:43,409 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,465 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:43,465 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-04-12 07:34:43,465 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,466 INFO L182 omatonBuilderFactory]: Interpolants [184#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 185#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 186#(or (and (< |#Ultimate.C_memset_#t~loopctr5| |#Ultimate.C_memset_#amount|) (< 1 |#Ultimate.C_memset_#amount|)) (and (<= |#Ultimate.C_memset_#amount| |#Ultimate.C_memset_#t~loopctr5|) (<= |#Ultimate.C_memset_#amount| 1))), 187#(<= |#Ultimate.C_memset_#amount| 1), 173#true, 174#false] [2018-04-12 07:34:43,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-12 07:34:43,466 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-12 07:34:43,466 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-04-12 07:34:43,467 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 6 states. [2018-04-12 07:34:43,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:43,537 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-04-12 07:34:43,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-12 07:34:43,538 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2018-04-12 07:34:43,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:43,538 INFO L225 Difference]: With dead ends: 21 [2018-04-12 07:34:43,538 INFO L226 Difference]: Without dead ends: 19 [2018-04-12 07:34:43,539 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-04-12 07:34:43,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-04-12 07:34:43,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-04-12 07:34:43,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-04-12 07:34:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-04-12 07:34:43,541 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-04-12 07:34:43,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:43,541 INFO L459 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-04-12 07:34:43,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-12 07:34:43,541 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-04-12 07:34:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-04-12 07:34:43,541 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:43,542 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:43,542 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:43,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1998482120, now seen corresponding path program 2 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:43,545 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,594 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:43,595 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-12 07:34:43,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,595 INFO L182 omatonBuilderFactory]: Interpolants [246#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 247#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 248#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 249#(= 2 |#Ultimate.C_memset_#t~loopctr5|), 234#true, 250#(not (= 80 |#Ultimate.C_memset_#amount|)), 235#false] [2018-04-12 07:34:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-12 07:34:43,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-12 07:34:43,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-04-12 07:34:43,596 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 7 states. [2018-04-12 07:34:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:43,686 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-04-12 07:34:43,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-12 07:34:43,687 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-04-12 07:34:43,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:43,687 INFO L225 Difference]: With dead ends: 22 [2018-04-12 07:34:43,687 INFO L226 Difference]: Without dead ends: 20 [2018-04-12 07:34:43,688 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-04-12 07:34:43,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-04-12 07:34:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-04-12 07:34:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-04-12 07:34:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-04-12 07:34:43,690 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-04-12 07:34:43,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:43,690 INFO L459 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-04-12 07:34:43,690 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-12 07:34:43,690 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-04-12 07:34:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-04-12 07:34:43,693 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:43,693 INFO L355 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:43,693 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:43,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1887286365, now seen corresponding path program 3 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:43,697 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,786 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:43,786 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-12 07:34:43,786 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,787 INFO L182 omatonBuilderFactory]: Interpolants [314#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 315#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 316#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 301#true, 317#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 302#false, 318#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 319#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-12 07:34:43,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-12 07:34:43,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-04-12 07:34:43,788 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 8 states. [2018-04-12 07:34:43,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:43,876 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-04-12 07:34:43,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-12 07:34:43,876 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-04-12 07:34:43,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:43,876 INFO L225 Difference]: With dead ends: 23 [2018-04-12 07:34:43,876 INFO L226 Difference]: Without dead ends: 21 [2018-04-12 07:34:43,877 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-04-12 07:34:43,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-04-12 07:34:43,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-04-12 07:34:43,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-04-12 07:34:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-04-12 07:34:43,881 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-04-12 07:34:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:43,882 INFO L459 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-04-12 07:34:43,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-12 07:34:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-04-12 07:34:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-12 07:34:43,882 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:43,882 INFO L355 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:43,882 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:43,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2087025112, now seen corresponding path program 4 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:43,885 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,951 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:43,951 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-12 07:34:43,951 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:43,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,952 INFO L182 omatonBuilderFactory]: Interpolants [388#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 389#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 374#true, 390#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 375#false, 391#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 392#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 393#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 394#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:43,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-12 07:34:43,952 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-12 07:34:43,952 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-04-12 07:34:43,952 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 9 states. [2018-04-12 07:34:44,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:44,030 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-04-12 07:34:44,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-12 07:34:44,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-04-12 07:34:44,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:44,031 INFO L225 Difference]: With dead ends: 24 [2018-04-12 07:34:44,031 INFO L226 Difference]: Without dead ends: 22 [2018-04-12 07:34:44,032 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2018-04-12 07:34:44,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-04-12 07:34:44,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-04-12 07:34:44,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-04-12 07:34:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-04-12 07:34:44,034 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-04-12 07:34:44,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:44,035 INFO L459 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-04-12 07:34:44,035 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-12 07:34:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-04-12 07:34:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-04-12 07:34:44,035 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:44,036 INFO L355 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:44,036 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:44,036 INFO L82 PathProgramCache]: Analyzing trace with hash -311008323, now seen corresponding path program 5 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:44,041 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,092 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,115 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:44,115 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-12 07:34:44,115 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,115 INFO L182 omatonBuilderFactory]: Interpolants [468#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 453#true, 469#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 454#false, 470#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 471#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 472#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 473#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 474#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 475#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,116 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-12 07:34:44,116 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-12 07:34:44,116 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-04-12 07:34:44,116 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 10 states. [2018-04-12 07:34:44,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:44,197 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-04-12 07:34:44,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-12 07:34:44,197 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2018-04-12 07:34:44,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:44,198 INFO L225 Difference]: With dead ends: 25 [2018-04-12 07:34:44,198 INFO L226 Difference]: Without dead ends: 23 [2018-04-12 07:34:44,198 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2018-04-12 07:34:44,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-04-12 07:34:44,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-04-12 07:34:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-04-12 07:34:44,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-04-12 07:34:44,200 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-04-12 07:34:44,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:44,200 INFO L459 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-04-12 07:34:44,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-12 07:34:44,200 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-04-12 07:34:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-04-12 07:34:44,201 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:44,201 INFO L355 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:44,201 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:44,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1635600776, now seen corresponding path program 6 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:44,203 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,264 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:44,264 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-04-12 07:34:44,264 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,264 INFO L182 omatonBuilderFactory]: Interpolants [560#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 561#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 562#(not (= 80 |#Ultimate.C_memset_#amount|)), 538#true, 554#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 539#false, 555#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 556#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 557#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 558#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 559#(<= |#Ultimate.C_memset_#t~loopctr5| 4)] [2018-04-12 07:34:44,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-04-12 07:34:44,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-04-12 07:34:44,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-04-12 07:34:44,265 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 11 states. [2018-04-12 07:34:44,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:44,347 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-04-12 07:34:44,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-04-12 07:34:44,347 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2018-04-12 07:34:44,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:44,347 INFO L225 Difference]: With dead ends: 26 [2018-04-12 07:34:44,348 INFO L226 Difference]: Without dead ends: 24 [2018-04-12 07:34:44,348 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-04-12 07:34:44,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-04-12 07:34:44,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-04-12 07:34:44,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-04-12 07:34:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-04-12 07:34:44,349 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-04-12 07:34:44,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:44,350 INFO L459 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-04-12 07:34:44,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-04-12 07:34:44,350 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-04-12 07:34:44,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-04-12 07:34:44,350 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:44,350 INFO L355 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:44,350 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:44,350 INFO L82 PathProgramCache]: Analyzing trace with hash 251706141, now seen corresponding path program 7 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:44,355 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,406 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,422 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:44,422 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-04-12 07:34:44,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,422 INFO L182 omatonBuilderFactory]: Interpolants [629#true, 630#false, 646#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 647#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 648#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 649#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 650#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 651#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 652#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 653#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 654#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 655#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-04-12 07:34:44,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-04-12 07:34:44,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-04-12 07:34:44,423 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 12 states. [2018-04-12 07:34:44,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:44,539 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-04-12 07:34:44,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-04-12 07:34:44,539 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 23 [2018-04-12 07:34:44,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:44,539 INFO L225 Difference]: With dead ends: 27 [2018-04-12 07:34:44,539 INFO L226 Difference]: Without dead ends: 25 [2018-04-12 07:34:44,540 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=140, Invalid=280, Unknown=0, NotChecked=0, Total=420 [2018-04-12 07:34:44,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-04-12 07:34:44,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-04-12 07:34:44,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-04-12 07:34:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-04-12 07:34:44,542 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-04-12 07:34:44,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:44,542 INFO L459 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-04-12 07:34:44,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-04-12 07:34:44,542 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-04-12 07:34:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-04-12 07:34:44,542 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:44,542 INFO L355 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:44,543 INFO L408 AbstractCegarLoop]: === Iteration 11 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:44,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1371321576, now seen corresponding path program 8 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:44,545 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,603 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,620 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:44,620 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-04-12 07:34:44,620 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,621 INFO L182 omatonBuilderFactory]: Interpolants [744#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 745#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 746#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 747#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 748#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 749#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 750#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 751#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 752#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 753#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 754#(not (= 80 |#Ultimate.C_memset_#amount|)), 726#true, 727#false] [2018-04-12 07:34:44,621 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-04-12 07:34:44,621 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-04-12 07:34:44,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2018-04-12 07:34:44,622 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-04-12 07:34:44,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:44,711 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-04-12 07:34:44,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-04-12 07:34:44,711 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-04-12 07:34:44,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:44,712 INFO L225 Difference]: With dead ends: 28 [2018-04-12 07:34:44,712 INFO L226 Difference]: Without dead ends: 26 [2018-04-12 07:34:44,712 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2018-04-12 07:34:44,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-04-12 07:34:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-04-12 07:34:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-04-12 07:34:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-04-12 07:34:44,714 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-04-12 07:34:44,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:44,714 INFO L459 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-04-12 07:34:44,714 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-04-12 07:34:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-04-12 07:34:44,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-04-12 07:34:44,715 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:44,715 INFO L355 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:44,715 INFO L408 AbstractCegarLoop]: === Iteration 12 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:44,715 INFO L82 PathProgramCache]: Analyzing trace with hash -145573251, now seen corresponding path program 9 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:44,717 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:44,809 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,836 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:44,836 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-04-12 07:34:44,837 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,837 INFO L182 omatonBuilderFactory]: Interpolants [848#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 849#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 850#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 851#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 852#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 853#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 854#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 855#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 856#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 857#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 858#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 859#(not (= 80 |#Ultimate.C_memset_#amount|)), 829#true, 830#false] [2018-04-12 07:34:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:44,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-04-12 07:34:44,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-04-12 07:34:44,838 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=113, Unknown=0, NotChecked=0, Total=182 [2018-04-12 07:34:44,838 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 14 states. [2018-04-12 07:34:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:44,995 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-04-12 07:34:44,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-04-12 07:34:44,995 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 25 [2018-04-12 07:34:44,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:44,996 INFO L225 Difference]: With dead ends: 29 [2018-04-12 07:34:44,996 INFO L226 Difference]: Without dead ends: 27 [2018-04-12 07:34:44,996 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=203, Invalid=397, Unknown=0, NotChecked=0, Total=600 [2018-04-12 07:34:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-04-12 07:34:44,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-04-12 07:34:44,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-04-12 07:34:44,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-04-12 07:34:44,998 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-04-12 07:34:44,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:44,998 INFO L459 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-04-12 07:34:44,998 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-04-12 07:34:44,998 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-04-12 07:34:44,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-04-12 07:34:44,998 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:44,998 INFO L355 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:44,998 INFO L408 AbstractCegarLoop]: === Iteration 13 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:44,998 INFO L82 PathProgramCache]: Analyzing trace with hash -802080840, now seen corresponding path program 10 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:45,001 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,073 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,098 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:45,098 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-04-12 07:34:45,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,098 INFO L182 omatonBuilderFactory]: Interpolants [960#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 961#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 962#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 963#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 964#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 965#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 966#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 967#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 968#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 969#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 938#true, 970#(not (= 80 |#Ultimate.C_memset_#amount|)), 939#false, 958#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 959#(= 0 |#Ultimate.C_memset_#t~loopctr5|)] [2018-04-12 07:34:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,098 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-04-12 07:34:45,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-04-12 07:34:45,099 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=129, Unknown=0, NotChecked=0, Total=210 [2018-04-12 07:34:45,099 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 15 states. [2018-04-12 07:34:45,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:45,216 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-04-12 07:34:45,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-04-12 07:34:45,216 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2018-04-12 07:34:45,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:45,217 INFO L225 Difference]: With dead ends: 30 [2018-04-12 07:34:45,217 INFO L226 Difference]: Without dead ends: 28 [2018-04-12 07:34:45,217 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=239, Invalid=463, Unknown=0, NotChecked=0, Total=702 [2018-04-12 07:34:45,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-04-12 07:34:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-04-12 07:34:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-04-12 07:34:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-04-12 07:34:45,219 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-04-12 07:34:45,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:45,219 INFO L459 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-04-12 07:34:45,219 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-04-12 07:34:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-04-12 07:34:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-04-12 07:34:45,219 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:45,219 INFO L355 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:45,219 INFO L408 AbstractCegarLoop]: === Iteration 14 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:45,220 INFO L82 PathProgramCache]: Analyzing trace with hash 321020381, now seen corresponding path program 11 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:45,222 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,318 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,335 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:45,335 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-04-12 07:34:45,335 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,337 INFO L182 omatonBuilderFactory]: Interpolants [1074#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1075#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 1076#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1077#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1078#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1079#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1080#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1081#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1082#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1083#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1084#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1053#true, 1085#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1054#false, 1086#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1087#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:45,337 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-04-12 07:34:45,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-04-12 07:34:45,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2018-04-12 07:34:45,338 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 16 states. [2018-04-12 07:34:45,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:45,488 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-04-12 07:34:45,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-04-12 07:34:45,488 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 27 [2018-04-12 07:34:45,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:45,489 INFO L225 Difference]: With dead ends: 31 [2018-04-12 07:34:45,489 INFO L226 Difference]: Without dead ends: 29 [2018-04-12 07:34:45,489 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=278, Invalid=534, Unknown=0, NotChecked=0, Total=812 [2018-04-12 07:34:45,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-04-12 07:34:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-04-12 07:34:45,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-04-12 07:34:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-04-12 07:34:45,491 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-04-12 07:34:45,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:45,492 INFO L459 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-04-12 07:34:45,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-04-12 07:34:45,492 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-04-12 07:34:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-04-12 07:34:45,492 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:45,492 INFO L355 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:45,492 INFO L408 AbstractCegarLoop]: === Iteration 15 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:45,493 INFO L82 PathProgramCache]: Analyzing trace with hash 777419864, now seen corresponding path program 12 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:45,498 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,607 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:45,607 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-04-12 07:34:45,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,607 INFO L182 omatonBuilderFactory]: Interpolants [1196#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1197#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 1198#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1199#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1200#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1201#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1202#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1203#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1204#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1205#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1174#true, 1206#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1175#false, 1207#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1208#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1209#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 1210#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:45,607 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-04-12 07:34:45,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-04-12 07:34:45,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2018-04-12 07:34:45,608 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 17 states. [2018-04-12 07:34:45,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:45,751 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-04-12 07:34:45,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-04-12 07:34:45,751 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 28 [2018-04-12 07:34:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:45,752 INFO L225 Difference]: With dead ends: 32 [2018-04-12 07:34:45,752 INFO L226 Difference]: Without dead ends: 30 [2018-04-12 07:34:45,752 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=320, Invalid=610, Unknown=0, NotChecked=0, Total=930 [2018-04-12 07:34:45,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-04-12 07:34:45,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-04-12 07:34:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-04-12 07:34:45,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-04-12 07:34:45,754 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-04-12 07:34:45,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:45,754 INFO L459 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-04-12 07:34:45,754 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-04-12 07:34:45,754 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-04-12 07:34:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-12 07:34:45,755 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:45,755 INFO L355 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:45,755 INFO L408 AbstractCegarLoop]: === Iteration 16 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:45,755 INFO L82 PathProgramCache]: Analyzing trace with hash 2040901949, now seen corresponding path program 13 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:45,758 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,865 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:45,865 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-04-12 07:34:45,865 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,865 INFO L182 omatonBuilderFactory]: Interpolants [1324#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1325#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 1326#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1327#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1328#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1329#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1330#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1331#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1332#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1301#true, 1333#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1302#false, 1334#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1335#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1336#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1337#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 1338#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 1339#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:45,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-04-12 07:34:45,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-04-12 07:34:45,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=183, Unknown=0, NotChecked=0, Total=306 [2018-04-12 07:34:45,866 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 18 states. [2018-04-12 07:34:46,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:46,024 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-04-12 07:34:46,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-04-12 07:34:46,024 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2018-04-12 07:34:46,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:46,025 INFO L225 Difference]: With dead ends: 33 [2018-04-12 07:34:46,025 INFO L226 Difference]: Without dead ends: 31 [2018-04-12 07:34:46,025 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=365, Invalid=691, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 07:34:46,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-04-12 07:34:46,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-04-12 07:34:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-04-12 07:34:46,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-04-12 07:34:46,027 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-04-12 07:34:46,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:46,027 INFO L459 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-04-12 07:34:46,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-04-12 07:34:46,027 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-04-12 07:34:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-04-12 07:34:46,027 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:46,027 INFO L355 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:46,027 INFO L408 AbstractCegarLoop]: === Iteration 17 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:46,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1740826376, now seen corresponding path program 14 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:46,031 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,123 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,140 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:46,140 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-04-12 07:34:46,140 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,141 INFO L182 omatonBuilderFactory]: Interpolants [1472#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 1473#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 1474#(not (= 80 |#Ultimate.C_memset_#amount|)), 1458#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1459#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 1460#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1461#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1462#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1463#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1464#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1465#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1434#true, 1466#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1435#false, 1467#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1468#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1469#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1470#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1471#(<= |#Ultimate.C_memset_#t~loopctr5| 12)] [2018-04-12 07:34:46,141 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,141 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-04-12 07:34:46,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-04-12 07:34:46,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=203, Unknown=0, NotChecked=0, Total=342 [2018-04-12 07:34:46,141 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 19 states. [2018-04-12 07:34:46,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:46,304 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-04-12 07:34:46,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-04-12 07:34:46,304 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 30 [2018-04-12 07:34:46,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:46,307 INFO L225 Difference]: With dead ends: 34 [2018-04-12 07:34:46,307 INFO L226 Difference]: Without dead ends: 32 [2018-04-12 07:34:46,307 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=413, Invalid=777, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 07:34:46,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-04-12 07:34:46,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-04-12 07:34:46,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-04-12 07:34:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-04-12 07:34:46,309 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-04-12 07:34:46,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:46,309 INFO L459 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-04-12 07:34:46,309 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-04-12 07:34:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-04-12 07:34:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-04-12 07:34:46,309 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:46,309 INFO L355 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:46,309 INFO L408 AbstractCegarLoop]: === Iteration 18 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:46,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1284679837, now seen corresponding path program 15 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:46,312 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,427 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:46,427 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-04-12 07:34:46,427 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:46,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,427 INFO L182 omatonBuilderFactory]: Interpolants [1600#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1601#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1602#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1603#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1604#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1573#true, 1605#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1574#false, 1606#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1607#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1608#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1609#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1610#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1611#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 1612#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 1613#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 1614#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 1615#(not (= 80 |#Ultimate.C_memset_#amount|)), 1598#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1599#(= 0 |#Ultimate.C_memset_#t~loopctr5|)] [2018-04-12 07:34:46,428 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-04-12 07:34:46,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-04-12 07:34:46,428 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=224, Unknown=0, NotChecked=0, Total=380 [2018-04-12 07:34:46,428 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 20 states. [2018-04-12 07:34:46,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:46,603 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-04-12 07:34:46,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-04-12 07:34:46,604 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 31 [2018-04-12 07:34:46,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:46,604 INFO L225 Difference]: With dead ends: 35 [2018-04-12 07:34:46,604 INFO L226 Difference]: Without dead ends: 33 [2018-04-12 07:34:46,604 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=464, Invalid=868, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 07:34:46,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-04-12 07:34:46,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-04-12 07:34:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-04-12 07:34:46,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-04-12 07:34:46,606 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-04-12 07:34:46,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:46,606 INFO L459 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-04-12 07:34:46,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-04-12 07:34:46,606 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-04-12 07:34:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-04-12 07:34:46,606 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:46,606 INFO L355 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:46,606 INFO L408 AbstractCegarLoop]: === Iteration 19 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:46,606 INFO L82 PathProgramCache]: Analyzing trace with hash 586091928, now seen corresponding path program 16 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:46,609 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,748 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:46,748 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-04-12 07:34:46,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,749 INFO L182 omatonBuilderFactory]: Interpolants [1760#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 1761#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 1762#(not (= 80 |#Ultimate.C_memset_#amount|)), 1744#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1745#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 1746#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1747#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1748#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1749#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1718#true, 1750#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1719#false, 1751#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1752#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1753#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1754#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1755#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1756#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1757#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 1758#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 1759#(<= |#Ultimate.C_memset_#t~loopctr5| 14)] [2018-04-12 07:34:46,749 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:46,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-04-12 07:34:46,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-04-12 07:34:46,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=246, Unknown=0, NotChecked=0, Total=420 [2018-04-12 07:34:46,750 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 21 states. [2018-04-12 07:34:46,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:46,992 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-04-12 07:34:46,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-04-12 07:34:46,993 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 32 [2018-04-12 07:34:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:46,993 INFO L225 Difference]: With dead ends: 36 [2018-04-12 07:34:46,993 INFO L226 Difference]: Without dead ends: 34 [2018-04-12 07:34:46,993 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=518, Invalid=964, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 07:34:46,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-04-12 07:34:46,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-04-12 07:34:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-04-12 07:34:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-04-12 07:34:46,995 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-04-12 07:34:46,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:46,995 INFO L459 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-04-12 07:34:46,995 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-04-12 07:34:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-04-12 07:34:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-12 07:34:46,996 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:46,996 INFO L355 BasicCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:46,996 INFO L408 AbstractCegarLoop]: === Iteration 20 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:46,996 INFO L82 PathProgramCache]: Analyzing trace with hash 404703229, now seen corresponding path program 17 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:46,998 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:47,137 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:47,137 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-04-12 07:34:47,137 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:47,138 INFO L182 omatonBuilderFactory]: Interpolants [1896#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 1897#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 1898#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 1899#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 1900#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 1869#true, 1901#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 1870#false, 1902#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 1903#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 1904#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 1905#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 1906#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 1907#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 1908#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 1909#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 1910#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 1911#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 1912#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 1913#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 1914#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 1915#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:47,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-04-12 07:34:47,138 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-04-12 07:34:47,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=269, Unknown=0, NotChecked=0, Total=462 [2018-04-12 07:34:47,138 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 22 states. [2018-04-12 07:34:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:47,350 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-04-12 07:34:47,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-04-12 07:34:47,351 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 33 [2018-04-12 07:34:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:47,351 INFO L225 Difference]: With dead ends: 37 [2018-04-12 07:34:47,351 INFO L226 Difference]: Without dead ends: 35 [2018-04-12 07:34:47,351 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=575, Invalid=1065, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 07:34:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-04-12 07:34:47,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-04-12 07:34:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-04-12 07:34:47,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-04-12 07:34:47,353 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-04-12 07:34:47,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:47,353 INFO L459 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-04-12 07:34:47,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-04-12 07:34:47,353 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-04-12 07:34:47,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-12 07:34:47,354 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:47,354 INFO L355 BasicCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:47,354 INFO L408 AbstractCegarLoop]: === Iteration 21 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:47,354 INFO L82 PathProgramCache]: Analyzing trace with hash -923379144, now seen corresponding path program 18 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:47,356 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,494 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:47,523 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:47,523 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-04-12 07:34:47,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:47,524 INFO L182 omatonBuilderFactory]: Interpolants [2054#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2055#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 2056#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 2057#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 2026#true, 2058#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 2027#false, 2059#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 2060#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 2061#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 2062#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 2063#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 2064#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 2065#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 2066#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 2067#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 2068#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 2069#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 2070#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 2071#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 2072#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 2073#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 2074#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:47,524 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-04-12 07:34:47,524 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-04-12 07:34:47,524 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=293, Unknown=0, NotChecked=0, Total=506 [2018-04-12 07:34:47,524 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 23 states. [2018-04-12 07:34:47,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:47,787 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-04-12 07:34:47,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-04-12 07:34:47,787 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 34 [2018-04-12 07:34:47,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:47,787 INFO L225 Difference]: With dead ends: 38 [2018-04-12 07:34:47,787 INFO L226 Difference]: Without dead ends: 36 [2018-04-12 07:34:47,788 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=635, Invalid=1171, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 07:34:47,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-04-12 07:34:47,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-04-12 07:34:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-04-12 07:34:47,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-04-12 07:34:47,790 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-04-12 07:34:47,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:47,790 INFO L459 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-04-12 07:34:47,790 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-04-12 07:34:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-04-12 07:34:47,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-12 07:34:47,791 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:47,791 INFO L355 BasicCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:47,791 INFO L408 AbstractCegarLoop]: === Iteration 22 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:47,791 INFO L82 PathProgramCache]: Analyzing trace with hash 855740253, now seen corresponding path program 19 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:47,796 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,046 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:48,046 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-04-12 07:34:48,046 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,047 INFO L182 omatonBuilderFactory]: Interpolants [2218#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2219#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 2220#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 2189#true, 2221#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 2190#false, 2222#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 2223#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 2224#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 2225#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 2226#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 2227#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 2228#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 2229#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 2230#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 2231#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 2232#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 2233#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 2234#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 2235#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 2236#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 2237#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 2238#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 2239#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-04-12 07:34:48,047 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-04-12 07:34:48,047 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=318, Unknown=0, NotChecked=0, Total=552 [2018-04-12 07:34:48,048 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 24 states. [2018-04-12 07:34:48,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:48,380 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-04-12 07:34:48,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-04-12 07:34:48,383 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 35 [2018-04-12 07:34:48,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:48,383 INFO L225 Difference]: With dead ends: 39 [2018-04-12 07:34:48,383 INFO L226 Difference]: Without dead ends: 37 [2018-04-12 07:34:48,384 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=698, Invalid=1282, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 07:34:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-04-12 07:34:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-04-12 07:34:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-04-12 07:34:48,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-04-12 07:34:48,385 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-04-12 07:34:48,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:48,385 INFO L459 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-04-12 07:34:48,385 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-04-12 07:34:48,385 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-04-12 07:34:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-12 07:34:48,386 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:48,386 INFO L355 BasicCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:48,386 INFO L408 AbstractCegarLoop]: === Iteration 23 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:48,386 INFO L82 PathProgramCache]: Analyzing trace with hash 173866712, now seen corresponding path program 20 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:48,388 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,584 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:48,584 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-04-12 07:34:48,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,585 INFO L182 omatonBuilderFactory]: Interpolants [2388#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2389#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 2390#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 2391#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 2392#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 2393#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 2394#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 2395#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 2396#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 2397#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 2398#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 2399#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 2400#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 2401#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 2402#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 2403#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 2404#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 2405#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 2406#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 2407#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 2408#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 2409#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 2410#(not (= 80 |#Ultimate.C_memset_#amount|)), 2358#true, 2359#false] [2018-04-12 07:34:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-04-12 07:34:48,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-04-12 07:34:48,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=344, Unknown=0, NotChecked=0, Total=600 [2018-04-12 07:34:48,585 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 25 states. [2018-04-12 07:34:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:48,826 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-04-12 07:34:48,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-04-12 07:34:48,827 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 36 [2018-04-12 07:34:48,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:48,827 INFO L225 Difference]: With dead ends: 40 [2018-04-12 07:34:48,827 INFO L226 Difference]: Without dead ends: 38 [2018-04-12 07:34:48,828 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 249 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=764, Invalid=1398, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 07:34:48,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-04-12 07:34:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-04-12 07:34:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-04-12 07:34:48,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-04-12 07:34:48,829 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-04-12 07:34:48,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:48,829 INFO L459 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-04-12 07:34:48,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-04-12 07:34:48,829 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-04-12 07:34:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-12 07:34:48,829 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:48,829 INFO L355 BasicCegarLoop]: trace histogram [21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:48,829 INFO L408 AbstractCegarLoop]: === Iteration 24 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:48,829 INFO L82 PathProgramCache]: Analyzing trace with hash 510623421, now seen corresponding path program 21 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:48,832 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,996 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:48,996 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-04-12 07:34:48,996 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,996 INFO L182 omatonBuilderFactory]: Interpolants [2564#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2565#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 2566#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 2567#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 2568#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 2569#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 2570#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 2571#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 2572#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 2573#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 2574#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 2575#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 2576#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 2577#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 2578#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 2579#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 2580#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 2581#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 2582#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 2583#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 2584#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 2585#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 2586#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 2587#(not (= 80 |#Ultimate.C_memset_#amount|)), 2533#true, 2534#false] [2018-04-12 07:34:48,996 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:48,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-04-12 07:34:48,997 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-04-12 07:34:48,997 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=371, Unknown=0, NotChecked=0, Total=650 [2018-04-12 07:34:48,997 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 26 states. [2018-04-12 07:34:49,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:49,296 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-04-12 07:34:49,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-04-12 07:34:49,296 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 37 [2018-04-12 07:34:49,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:49,297 INFO L225 Difference]: With dead ends: 41 [2018-04-12 07:34:49,297 INFO L226 Difference]: Without dead ends: 39 [2018-04-12 07:34:49,297 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=833, Invalid=1519, Unknown=0, NotChecked=0, Total=2352 [2018-04-12 07:34:49,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-04-12 07:34:49,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-04-12 07:34:49,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-04-12 07:34:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-04-12 07:34:49,299 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-04-12 07:34:49,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:49,299 INFO L459 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-04-12 07:34:49,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-04-12 07:34:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-04-12 07:34:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-04-12 07:34:49,300 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:49,300 INFO L355 BasicCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:49,300 INFO L408 AbstractCegarLoop]: === Iteration 25 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:49,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1934820488, now seen corresponding path program 22 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:49,302 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:49,482 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:49,482 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-04-12 07:34:49,482 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:49,482 INFO L182 omatonBuilderFactory]: Interpolants [2752#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 2753#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 2754#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 2755#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 2756#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 2757#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 2758#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 2759#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 2760#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 2761#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 2762#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 2763#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 2764#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 2765#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 2766#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 2767#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 2768#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 2769#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 2770#(not (= 80 |#Ultimate.C_memset_#amount|)), 2714#true, 2715#false, 2746#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2747#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 2748#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 2749#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 2750#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 2751#(<= |#Ultimate.C_memset_#t~loopctr5| 4)] [2018-04-12 07:34:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:49,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-04-12 07:34:49,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-04-12 07:34:49,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=399, Unknown=0, NotChecked=0, Total=702 [2018-04-12 07:34:49,483 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 27 states. [2018-04-12 07:34:49,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:49,748 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-04-12 07:34:49,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-04-12 07:34:49,748 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 38 [2018-04-12 07:34:49,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:49,748 INFO L225 Difference]: With dead ends: 42 [2018-04-12 07:34:49,748 INFO L226 Difference]: Without dead ends: 40 [2018-04-12 07:34:49,749 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 296 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=905, Invalid=1645, Unknown=0, NotChecked=0, Total=2550 [2018-04-12 07:34:49,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-04-12 07:34:49,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-04-12 07:34:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-04-12 07:34:49,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-04-12 07:34:49,750 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-04-12 07:34:49,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:49,750 INFO L459 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-04-12 07:34:49,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-04-12 07:34:49,750 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-04-12 07:34:49,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-04-12 07:34:49,751 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:49,751 INFO L355 BasicCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:49,751 INFO L408 AbstractCegarLoop]: === Iteration 26 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:49,751 INFO L82 PathProgramCache]: Analyzing trace with hash -434170339, now seen corresponding path program 23 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:49,753 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:49,969 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:49,970 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-04-12 07:34:49,970 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:49,970 INFO L182 omatonBuilderFactory]: Interpolants [2944#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 2945#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 2946#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 2947#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 2948#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 2949#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 2950#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 2951#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 2952#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 2953#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 2954#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 2955#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 2956#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 2957#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 2958#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 2959#(not (= 80 |#Ultimate.C_memset_#amount|)), 2901#true, 2902#false, 2934#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 2935#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 2936#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 2937#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 2938#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 2939#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 2940#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 2941#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 2942#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 2943#(<= |#Ultimate.C_memset_#t~loopctr5| 8)] [2018-04-12 07:34:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:49,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-04-12 07:34:49,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-04-12 07:34:49,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=428, Unknown=0, NotChecked=0, Total=756 [2018-04-12 07:34:49,971 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 28 states. [2018-04-12 07:34:50,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:50,363 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-04-12 07:34:50,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-04-12 07:34:50,363 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 39 [2018-04-12 07:34:50,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:50,364 INFO L225 Difference]: With dead ends: 43 [2018-04-12 07:34:50,364 INFO L226 Difference]: Without dead ends: 41 [2018-04-12 07:34:50,364 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=980, Invalid=1776, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 07:34:50,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-04-12 07:34:50,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-04-12 07:34:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-04-12 07:34:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-04-12 07:34:50,365 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-04-12 07:34:50,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:50,365 INFO L459 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-04-12 07:34:50,365 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-04-12 07:34:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-04-12 07:34:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-04-12 07:34:50,366 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:50,366 INFO L355 BasicCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:50,366 INFO L408 AbstractCegarLoop]: === Iteration 27 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:50,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1158655976, now seen corresponding path program 24 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:50,368 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:50,562 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:50,562 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-04-12 07:34:50,562 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:50,562 INFO L182 omatonBuilderFactory]: Interpolants [3136#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 3137#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 3138#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 3139#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 3140#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 3141#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 3142#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 3143#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 3144#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 3145#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 3146#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 3147#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 3148#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 3149#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 3150#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 3151#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 3152#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 3153#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 3154#(not (= 80 |#Ultimate.C_memset_#amount|)), 3094#true, 3095#false, 3128#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3129#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 3130#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 3131#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 3132#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 3133#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 3134#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 3135#(<= |#Ultimate.C_memset_#t~loopctr5| 6)] [2018-04-12 07:34:50,562 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:50,562 INFO L442 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-04-12 07:34:50,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-04-12 07:34:50,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=354, Invalid=458, Unknown=0, NotChecked=0, Total=812 [2018-04-12 07:34:50,563 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 29 states. [2018-04-12 07:34:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:50,860 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-04-12 07:34:50,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-04-12 07:34:50,860 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 40 [2018-04-12 07:34:50,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:50,861 INFO L225 Difference]: With dead ends: 44 [2018-04-12 07:34:50,861 INFO L226 Difference]: Without dead ends: 42 [2018-04-12 07:34:50,861 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1058, Invalid=1912, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 07:34:50,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-04-12 07:34:50,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-04-12 07:34:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-04-12 07:34:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-04-12 07:34:50,862 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-04-12 07:34:50,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:50,862 INFO L459 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-04-12 07:34:50,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-04-12 07:34:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-04-12 07:34:50,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-04-12 07:34:50,863 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:50,863 INFO L355 BasicCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:50,863 INFO L408 AbstractCegarLoop]: === Iteration 28 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:50,863 INFO L82 PathProgramCache]: Analyzing trace with hash -2142874243, now seen corresponding path program 25 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:50,868 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:51,075 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:51,075 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-04-12 07:34:51,075 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:51,075 INFO L182 omatonBuilderFactory]: Interpolants [3328#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3329#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 3330#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 3331#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 3332#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 3333#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 3334#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 3335#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 3336#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 3337#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 3338#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 3339#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 3340#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 3341#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 3342#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 3343#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 3344#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 3345#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 3346#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 3347#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 3348#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 3349#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 3350#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 3351#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 3352#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 3353#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 3354#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 3355#(not (= 80 |#Ultimate.C_memset_#amount|)), 3293#true, 3294#false] [2018-04-12 07:34:51,076 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:51,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-04-12 07:34:51,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-04-12 07:34:51,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=489, Unknown=0, NotChecked=0, Total=870 [2018-04-12 07:34:51,076 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 30 states. [2018-04-12 07:34:51,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:51,395 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-04-12 07:34:51,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-04-12 07:34:51,396 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 41 [2018-04-12 07:34:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:51,396 INFO L225 Difference]: With dead ends: 45 [2018-04-12 07:34:51,396 INFO L226 Difference]: Without dead ends: 43 [2018-04-12 07:34:51,397 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1139, Invalid=2053, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 07:34:51,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-04-12 07:34:51,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-04-12 07:34:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-04-12 07:34:51,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-04-12 07:34:51,398 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-04-12 07:34:51,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:51,398 INFO L459 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-04-12 07:34:51,398 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-04-12 07:34:51,398 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-04-12 07:34:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-04-12 07:34:51,398 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:51,398 INFO L355 BasicCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:51,398 INFO L408 AbstractCegarLoop]: === Iteration 29 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:51,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1706097848, now seen corresponding path program 26 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:51,400 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:51,617 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:51,633 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:51,633 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-04-12 07:34:51,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:51,633 INFO L182 omatonBuilderFactory]: Interpolants [3534#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3535#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 3536#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 3537#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 3538#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 3539#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 3540#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 3541#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 3542#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 3543#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 3544#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 3545#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 3546#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 3547#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 3548#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 3549#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 3550#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 3551#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 3552#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 3553#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 3554#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 3555#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 3556#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 3557#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 3558#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 3559#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 3560#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 3561#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 3498#true, 3562#(not (= 80 |#Ultimate.C_memset_#amount|)), 3499#false] [2018-04-12 07:34:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:51,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-04-12 07:34:51,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-04-12 07:34:51,634 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=521, Unknown=0, NotChecked=0, Total=930 [2018-04-12 07:34:51,634 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 31 states. [2018-04-12 07:34:51,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:51,982 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-04-12 07:34:51,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-04-12 07:34:51,982 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 42 [2018-04-12 07:34:51,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:51,982 INFO L225 Difference]: With dead ends: 46 [2018-04-12 07:34:51,982 INFO L226 Difference]: Without dead ends: 44 [2018-04-12 07:34:51,983 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1223, Invalid=2199, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 07:34:51,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-04-12 07:34:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-04-12 07:34:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-04-12 07:34:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-04-12 07:34:51,984 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-04-12 07:34:51,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:51,985 INFO L459 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-04-12 07:34:51,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-04-12 07:34:51,985 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-04-12 07:34:51,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-04-12 07:34:51,985 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:51,985 INFO L355 BasicCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:51,985 INFO L408 AbstractCegarLoop]: === Iteration 30 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:51,985 INFO L82 PathProgramCache]: Analyzing trace with hash 765148381, now seen corresponding path program 27 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:51,987 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:52,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:52,211 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:52,227 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:52,227 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-04-12 07:34:52,227 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:52,227 INFO L182 omatonBuilderFactory]: Interpolants [3746#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3747#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 3748#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 3749#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 3750#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 3751#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 3752#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 3753#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 3754#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 3755#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 3756#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 3757#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 3758#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 3759#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 3760#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 3761#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 3762#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 3763#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 3764#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 3765#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 3766#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 3767#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 3768#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 3769#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 3770#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 3771#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 3772#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 3709#true, 3773#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 3710#false, 3774#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 3775#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:52,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-04-12 07:34:52,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-04-12 07:34:52,228 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=438, Invalid=554, Unknown=0, NotChecked=0, Total=992 [2018-04-12 07:34:52,228 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 32 states. [2018-04-12 07:34:52,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:52,611 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-04-12 07:34:52,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-04-12 07:34:52,611 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 43 [2018-04-12 07:34:52,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:52,612 INFO L225 Difference]: With dead ends: 47 [2018-04-12 07:34:52,612 INFO L226 Difference]: Without dead ends: 45 [2018-04-12 07:34:52,613 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 431 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1310, Invalid=2350, Unknown=0, NotChecked=0, Total=3660 [2018-04-12 07:34:52,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-04-12 07:34:52,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-04-12 07:34:52,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-04-12 07:34:52,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-04-12 07:34:52,614 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-04-12 07:34:52,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:52,615 INFO L459 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-04-12 07:34:52,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-04-12 07:34:52,615 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-04-12 07:34:52,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-04-12 07:34:52,615 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:52,615 INFO L355 BasicCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:52,615 INFO L408 AbstractCegarLoop]: === Iteration 31 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:52,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1660485976, now seen corresponding path program 28 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:52,620 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:52,854 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:52,854 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-04-12 07:34:52,855 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:52,855 INFO L182 omatonBuilderFactory]: Interpolants [3968#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 3969#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 3970#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 3971#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 3972#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 3973#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 3974#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 3975#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 3976#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 3977#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 3978#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 3979#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 3980#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 3981#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 3982#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 3983#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 3984#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 3985#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 3986#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 3987#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 3988#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 3989#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 3926#true, 3990#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 3927#false, 3991#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 3992#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 3993#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 3994#(not (= 80 |#Ultimate.C_memset_#amount|)), 3964#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 3965#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 3966#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 3967#(<= |#Ultimate.C_memset_#t~loopctr5| 2)] [2018-04-12 07:34:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:52,855 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-04-12 07:34:52,855 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-04-12 07:34:52,855 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=468, Invalid=588, Unknown=0, NotChecked=0, Total=1056 [2018-04-12 07:34:52,856 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 33 states. [2018-04-12 07:34:53,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:53,239 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-04-12 07:34:53,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-04-12 07:34:53,273 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 44 [2018-04-12 07:34:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:53,274 INFO L225 Difference]: With dead ends: 48 [2018-04-12 07:34:53,274 INFO L226 Difference]: Without dead ends: 46 [2018-04-12 07:34:53,275 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 461 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1400, Invalid=2506, Unknown=0, NotChecked=0, Total=3906 [2018-04-12 07:34:53,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-04-12 07:34:53,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-04-12 07:34:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-04-12 07:34:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-04-12 07:34:53,276 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-04-12 07:34:53,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:53,276 INFO L459 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-04-12 07:34:53,276 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-04-12 07:34:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-04-12 07:34:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-04-12 07:34:53,276 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:53,276 INFO L355 BasicCegarLoop]: trace histogram [29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:53,276 INFO L408 AbstractCegarLoop]: === Iteration 32 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:53,277 INFO L82 PathProgramCache]: Analyzing trace with hash -648819651, now seen corresponding path program 29 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:53,279 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:53,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:53,529 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:53,545 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:53,545 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-04-12 07:34:53,545 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:53,546 INFO L182 omatonBuilderFactory]: Interpolants [4188#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 4189#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 4190#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 4191#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 4192#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 4193#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 4194#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 4195#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 4196#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 4197#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 4198#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 4199#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 4200#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 4201#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 4202#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 4203#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 4204#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 4205#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 4206#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 4207#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 4208#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 4209#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 4210#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 4211#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 4212#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 4149#true, 4213#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 4150#false, 4214#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 4215#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 4216#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 4217#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 4218#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 4219#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:53,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-04-12 07:34:53,546 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-04-12 07:34:53,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=623, Unknown=0, NotChecked=0, Total=1122 [2018-04-12 07:34:53,546 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 34 states. [2018-04-12 07:34:53,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:53,946 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-04-12 07:34:53,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-04-12 07:34:53,947 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 45 [2018-04-12 07:34:53,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:53,947 INFO L225 Difference]: With dead ends: 49 [2018-04-12 07:34:53,947 INFO L226 Difference]: Without dead ends: 47 [2018-04-12 07:34:53,948 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1493, Invalid=2667, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 07:34:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-04-12 07:34:53,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-04-12 07:34:53,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-04-12 07:34:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-04-12 07:34:53,949 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-04-12 07:34:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:53,949 INFO L459 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-04-12 07:34:53,949 INFO L460 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-04-12 07:34:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-04-12 07:34:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-04-12 07:34:53,949 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:53,949 INFO L355 BasicCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:53,949 INFO L408 AbstractCegarLoop]: === Iteration 33 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:53,950 INFO L82 PathProgramCache]: Analyzing trace with hash 777149944, now seen corresponding path program 30 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:53,952 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:54,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:54,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-04-12 07:34:54,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:54,236 INFO L182 omatonBuilderFactory]: Interpolants [4418#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 4419#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 4420#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 4421#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 4422#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 4423#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 4424#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 4425#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 4426#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 4427#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 4428#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 4429#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 4430#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 4431#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 4432#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 4433#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 4434#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 4435#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 4436#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 4437#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 4438#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 4439#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 4440#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 4441#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 4378#true, 4442#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 4379#false, 4443#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 4444#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 4445#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 4446#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 4447#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 4448#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 4449#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 4450#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:54,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-04-12 07:34:54,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-04-12 07:34:54,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=659, Unknown=0, NotChecked=0, Total=1190 [2018-04-12 07:34:54,237 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 35 states. [2018-04-12 07:34:54,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:54,667 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-04-12 07:34:54,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-04-12 07:34:54,667 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 46 [2018-04-12 07:34:54,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:54,668 INFO L225 Difference]: With dead ends: 50 [2018-04-12 07:34:54,668 INFO L226 Difference]: Without dead ends: 48 [2018-04-12 07:34:54,669 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 524 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1589, Invalid=2833, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 07:34:54,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-04-12 07:34:54,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-04-12 07:34:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-04-12 07:34:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-04-12 07:34:54,670 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-04-12 07:34:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:54,670 INFO L459 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-04-12 07:34:54,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-04-12 07:34:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-04-12 07:34:54,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-04-12 07:34:54,671 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:54,671 INFO L355 BasicCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:54,671 INFO L408 AbstractCegarLoop]: === Iteration 34 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:54,671 INFO L82 PathProgramCache]: Analyzing trace with hash 2032534429, now seen corresponding path program 31 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:54,673 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:54,943 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:54,958 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:54,958 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-04-12 07:34:54,958 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:54,958 INFO L182 omatonBuilderFactory]: Interpolants [4672#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 4673#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 4674#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 4675#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 4676#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 4613#true, 4677#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 4614#false, 4678#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 4679#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 4680#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 4681#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 4682#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 4683#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 4684#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 4685#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 4686#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 4687#(not (= 80 |#Ultimate.C_memset_#amount|)), 4654#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 4655#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 4656#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 4657#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 4658#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 4659#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 4660#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 4661#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 4662#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 4663#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 4664#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 4665#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 4666#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 4667#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 4668#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 4669#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 4670#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 4671#(<= |#Ultimate.C_memset_#t~loopctr5| 16)] [2018-04-12 07:34:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:54,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-04-12 07:34:54,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-04-12 07:34:54,959 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=696, Unknown=0, NotChecked=0, Total=1260 [2018-04-12 07:34:54,959 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 36 states. [2018-04-12 07:34:55,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:55,385 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-04-12 07:34:55,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-04-12 07:34:55,386 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 47 [2018-04-12 07:34:55,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:55,386 INFO L225 Difference]: With dead ends: 51 [2018-04-12 07:34:55,386 INFO L226 Difference]: Without dead ends: 49 [2018-04-12 07:34:55,386 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1688, Invalid=3004, Unknown=0, NotChecked=0, Total=4692 [2018-04-12 07:34:55,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-04-12 07:34:55,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-04-12 07:34:55,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-04-12 07:34:55,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-04-12 07:34:55,387 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-04-12 07:34:55,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:55,387 INFO L459 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-04-12 07:34:55,387 INFO L460 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-04-12 07:34:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-04-12 07:34:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-04-12 07:34:55,388 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:55,388 INFO L355 BasicCegarLoop]: trace histogram [32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:55,388 INFO L408 AbstractCegarLoop]: === Iteration 35 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:55,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2000219496, now seen corresponding path program 32 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:55,391 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:55,720 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:55,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-04-12 07:34:55,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:55,720 INFO L182 omatonBuilderFactory]: Interpolants [4928#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 4929#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 4930#(not (= 80 |#Ultimate.C_memset_#amount|)), 4896#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 4897#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 4898#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 4899#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 4900#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 4901#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 4902#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 4903#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 4904#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 4905#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 4906#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 4907#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 4908#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 4909#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 4910#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 4911#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 4912#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 4913#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 4914#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 4915#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 4916#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 4917#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 4854#true, 4918#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 4855#false, 4919#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 4920#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 4921#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 4922#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 4923#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 4924#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 4925#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 4926#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 4927#(<= |#Ultimate.C_memset_#t~loopctr5| 30)] [2018-04-12 07:34:55,721 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:55,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-04-12 07:34:55,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-04-12 07:34:55,721 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=598, Invalid=734, Unknown=0, NotChecked=0, Total=1332 [2018-04-12 07:34:55,722 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 37 states. [2018-04-12 07:34:56,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:56,174 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-04-12 07:34:56,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-04-12 07:34:56,174 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 48 [2018-04-12 07:34:56,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:56,174 INFO L225 Difference]: With dead ends: 52 [2018-04-12 07:34:56,175 INFO L226 Difference]: Without dead ends: 50 [2018-04-12 07:34:56,175 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1790, Invalid=3180, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 07:34:56,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-04-12 07:34:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-04-12 07:34:56,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-04-12 07:34:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-04-12 07:34:56,176 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-04-12 07:34:56,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:56,176 INFO L459 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-04-12 07:34:56,176 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-04-12 07:34:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-04-12 07:34:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-04-12 07:34:56,176 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:56,177 INFO L355 BasicCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:56,177 INFO L408 AbstractCegarLoop]: === Iteration 36 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:56,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1833427709, now seen corresponding path program 33 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:56,179 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:56,531 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:56,531 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-04-12 07:34:56,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:56,532 INFO L182 omatonBuilderFactory]: Interpolants [5144#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 5145#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 5146#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 5147#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 5148#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 5149#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 5150#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 5151#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 5152#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 5153#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 5154#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 5155#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 5156#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 5157#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 5158#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 5159#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 5160#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 5161#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 5162#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 5163#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 5164#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 5101#true, 5165#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 5102#false, 5166#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 5167#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 5168#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 5169#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 5170#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 5171#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 5172#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 5173#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 5174#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 5175#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 5176#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 5177#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 5178#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 5179#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:56,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-04-12 07:34:56,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-04-12 07:34:56,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=633, Invalid=773, Unknown=0, NotChecked=0, Total=1406 [2018-04-12 07:34:56,532 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 38 states. [2018-04-12 07:34:57,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:57,039 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-04-12 07:34:57,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-04-12 07:34:57,039 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 49 [2018-04-12 07:34:57,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:57,040 INFO L225 Difference]: With dead ends: 53 [2018-04-12 07:34:57,040 INFO L226 Difference]: Without dead ends: 51 [2018-04-12 07:34:57,040 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 626 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1895, Invalid=3361, Unknown=0, NotChecked=0, Total=5256 [2018-04-12 07:34:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-04-12 07:34:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-04-12 07:34:57,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-04-12 07:34:57,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-04-12 07:34:57,042 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-04-12 07:34:57,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:57,042 INFO L459 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-04-12 07:34:57,042 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-04-12 07:34:57,042 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-04-12 07:34:57,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-04-12 07:34:57,042 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:57,042 INFO L355 BasicCegarLoop]: trace histogram [34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:57,043 INFO L408 AbstractCegarLoop]: === Iteration 37 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:57,043 INFO L82 PathProgramCache]: Analyzing trace with hash 417406776, now seen corresponding path program 34 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:57,045 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:57,371 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:57,387 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:57,387 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-04-12 07:34:57,387 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:57,388 INFO L182 omatonBuilderFactory]: Interpolants [5398#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 5399#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 5400#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 5401#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 5402#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 5403#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 5404#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 5405#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 5406#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 5407#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 5408#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 5409#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 5410#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 5411#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 5412#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 5413#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 5414#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 5415#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 5416#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 5417#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 5354#true, 5418#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 5355#false, 5419#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 5420#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 5421#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 5422#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 5423#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 5424#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 5425#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 5426#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 5427#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 5428#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 5429#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 5430#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 5431#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 5432#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 5433#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 5434#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:57,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-04-12 07:34:57,388 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-04-12 07:34:57,388 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=669, Invalid=813, Unknown=0, NotChecked=0, Total=1482 [2018-04-12 07:34:57,388 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 39 states. [2018-04-12 07:34:57,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:57,900 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-04-12 07:34:57,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-04-12 07:34:57,901 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 50 [2018-04-12 07:34:57,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:57,901 INFO L225 Difference]: With dead ends: 54 [2018-04-12 07:34:57,901 INFO L226 Difference]: Without dead ends: 52 [2018-04-12 07:34:57,902 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=2003, Invalid=3547, Unknown=0, NotChecked=0, Total=5550 [2018-04-12 07:34:57,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-04-12 07:34:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-04-12 07:34:57,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-04-12 07:34:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-04-12 07:34:57,903 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-04-12 07:34:57,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:57,903 INFO L459 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-04-12 07:34:57,903 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-04-12 07:34:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-04-12 07:34:57,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-04-12 07:34:57,903 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:57,903 INFO L355 BasicCegarLoop]: trace histogram [35, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:57,903 INFO L408 AbstractCegarLoop]: === Iteration 38 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:57,903 INFO L82 PathProgramCache]: Analyzing trace with hash -529569187, now seen corresponding path program 35 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:57,905 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:58,259 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:58,259 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-04-12 07:34:58,259 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:58,260 INFO L182 omatonBuilderFactory]: Interpolants [5658#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 5659#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 5660#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 5661#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 5662#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 5663#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 5664#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 5665#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 5666#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 5667#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 5668#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 5669#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 5670#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 5671#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 5672#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 5673#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 5674#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 5675#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 5676#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 5613#true, 5677#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 5614#false, 5678#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 5679#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 5680#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 5681#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 5682#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 5683#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 5684#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 5685#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 5686#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 5687#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 5688#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 5689#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 5690#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 5691#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 5692#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 5693#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 5694#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 5695#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:34:58,260 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:58,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-04-12 07:34:58,260 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-04-12 07:34:58,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=706, Invalid=854, Unknown=0, NotChecked=0, Total=1560 [2018-04-12 07:34:58,260 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 40 states. [2018-04-12 07:34:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:58,804 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-04-12 07:34:58,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-04-12 07:34:58,804 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 51 [2018-04-12 07:34:58,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:58,805 INFO L225 Difference]: With dead ends: 55 [2018-04-12 07:34:58,805 INFO L226 Difference]: Without dead ends: 53 [2018-04-12 07:34:58,805 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=2114, Invalid=3738, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 07:34:58,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-04-12 07:34:58,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-04-12 07:34:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-04-12 07:34:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-04-12 07:34:58,806 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-04-12 07:34:58,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:58,806 INFO L459 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-04-12 07:34:58,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-04-12 07:34:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-04-12 07:34:58,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-04-12 07:34:58,807 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:58,807 INFO L355 BasicCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:58,807 INFO L408 AbstractCegarLoop]: === Iteration 39 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:58,807 INFO L82 PathProgramCache]: Analyzing trace with hash 178947032, now seen corresponding path program 36 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:58,810 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:59,191 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:34:59,191 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-04-12 07:34:59,191 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:34:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:59,191 INFO L182 omatonBuilderFactory]: Interpolants [5952#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 5953#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 5954#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 5955#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 5956#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 5957#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 5958#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 5959#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 5960#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 5961#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 5962#(not (= 80 |#Ultimate.C_memset_#amount|)), 5924#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 5925#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 5926#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 5927#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 5928#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 5929#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 5930#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 5931#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 5932#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 5933#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 5934#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 5935#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 5936#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 5937#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 5938#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 5939#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 5940#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 5941#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 5878#true, 5942#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 5879#false, 5943#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 5944#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 5945#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 5946#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 5947#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 5948#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 5949#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 5950#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 5951#(<= |#Ultimate.C_memset_#t~loopctr5| 26)] [2018-04-12 07:34:59,191 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:34:59,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-04-12 07:34:59,192 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-04-12 07:34:59,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=744, Invalid=896, Unknown=0, NotChecked=0, Total=1640 [2018-04-12 07:34:59,192 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 41 states. [2018-04-12 07:34:59,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:34:59,724 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-04-12 07:34:59,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-04-12 07:34:59,724 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 52 [2018-04-12 07:34:59,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:34:59,725 INFO L225 Difference]: With dead ends: 56 [2018-04-12 07:34:59,725 INFO L226 Difference]: Without dead ends: 54 [2018-04-12 07:34:59,725 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=2228, Invalid=3934, Unknown=0, NotChecked=0, Total=6162 [2018-04-12 07:34:59,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-04-12 07:34:59,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-04-12 07:34:59,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-04-12 07:34:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-04-12 07:34:59,727 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-04-12 07:34:59,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:34:59,727 INFO L459 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-04-12 07:34:59,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-04-12 07:34:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-04-12 07:34:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-04-12 07:34:59,728 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:34:59,728 INFO L355 BasicCegarLoop]: trace histogram [37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:34:59,728 INFO L408 AbstractCegarLoop]: === Iteration 40 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:34:59,728 INFO L82 PathProgramCache]: Analyzing trace with hash 668113341, now seen corresponding path program 37 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:34:59,730 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:34:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:34:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:00,106 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:00,106 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-04-12 07:35:00,106 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:00,106 INFO L182 omatonBuilderFactory]: Interpolants [6208#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 6209#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 6210#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 6211#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 6212#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 6149#true, 6213#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 6150#false, 6214#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 6215#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 6216#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 6217#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 6218#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 6219#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 6220#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 6221#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 6222#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 6223#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 6224#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 6225#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 6226#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 6227#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 6228#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 6229#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 6230#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 6231#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 6232#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 6233#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 6234#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 6235#(not (= 80 |#Ultimate.C_memset_#amount|)), 6196#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 6197#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 6198#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 6199#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 6200#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 6201#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 6202#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 6203#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 6204#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 6205#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 6206#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 6207#(<= |#Ultimate.C_memset_#t~loopctr5| 10)] [2018-04-12 07:35:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:00,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-04-12 07:35:00,107 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-04-12 07:35:00,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=939, Unknown=0, NotChecked=0, Total=1722 [2018-04-12 07:35:00,107 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 42 states. [2018-04-12 07:35:00,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:00,665 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-04-12 07:35:00,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-04-12 07:35:00,665 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 53 [2018-04-12 07:35:00,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:00,666 INFO L225 Difference]: With dead ends: 57 [2018-04-12 07:35:00,666 INFO L226 Difference]: Without dead ends: 55 [2018-04-12 07:35:00,666 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=2345, Invalid=4135, Unknown=0, NotChecked=0, Total=6480 [2018-04-12 07:35:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-04-12 07:35:00,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-04-12 07:35:00,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-04-12 07:35:00,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-04-12 07:35:00,667 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-04-12 07:35:00,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:00,667 INFO L459 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-04-12 07:35:00,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-04-12 07:35:00,668 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-04-12 07:35:00,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-04-12 07:35:00,668 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:00,668 INFO L355 BasicCegarLoop]: trace histogram [38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:00,668 INFO L408 AbstractCegarLoop]: === Iteration 41 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:00,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1347600264, now seen corresponding path program 38 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:00,676 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:01,088 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:01,088 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-04-12 07:35:01,088 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:01,089 INFO L182 omatonBuilderFactory]: Interpolants [6474#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 6475#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 6476#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 6477#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 6478#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 6479#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 6480#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 6481#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 6482#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 6483#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 6484#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 6485#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 6486#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 6487#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 6488#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 6489#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 6426#true, 6490#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 6427#false, 6491#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 6492#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 6493#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 6494#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 6495#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 6496#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 6497#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 6498#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 6499#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 6500#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 6501#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 6502#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 6503#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 6504#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 6505#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 6506#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 6507#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 6508#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 6509#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 6510#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 6511#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 6512#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 6513#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 6514#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:01,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-04-12 07:35:01,089 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-04-12 07:35:01,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=983, Unknown=0, NotChecked=0, Total=1806 [2018-04-12 07:35:01,089 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 43 states. [2018-04-12 07:35:01,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:01,928 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-04-12 07:35:01,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-04-12 07:35:01,928 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 54 [2018-04-12 07:35:01,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:01,928 INFO L225 Difference]: With dead ends: 58 [2018-04-12 07:35:01,928 INFO L226 Difference]: Without dead ends: 56 [2018-04-12 07:35:01,929 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 816 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2465, Invalid=4341, Unknown=0, NotChecked=0, Total=6806 [2018-04-12 07:35:01,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-04-12 07:35:01,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-04-12 07:35:01,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-04-12 07:35:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-04-12 07:35:01,931 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-04-12 07:35:01,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:01,931 INFO L459 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-04-12 07:35:01,931 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-04-12 07:35:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-04-12 07:35:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-04-12 07:35:01,931 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:01,931 INFO L355 BasicCegarLoop]: trace histogram [39, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:01,932 INFO L408 AbstractCegarLoop]: === Iteration 42 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:01,932 INFO L82 PathProgramCache]: Analyzing trace with hash 589787421, now seen corresponding path program 39 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:01,937 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:01,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:02,404 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:02,404 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-04-12 07:35:02,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:02,404 INFO L182 omatonBuilderFactory]: Interpolants [6784#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 6785#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 6786#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 6787#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 6788#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 6789#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 6790#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 6791#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 6792#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 6793#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 6794#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 6795#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 6796#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 6797#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 6798#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 6799#(not (= 80 |#Ultimate.C_memset_#amount|)), 6758#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 6759#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 6760#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 6761#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 6762#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 6763#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 6764#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 6765#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 6766#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 6767#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 6768#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 6769#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 6770#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 6771#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 6772#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 6709#true, 6773#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 6710#false, 6774#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 6775#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 6776#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 6777#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 6778#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 6779#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 6780#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 6781#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 6782#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 6783#(<= |#Ultimate.C_memset_#t~loopctr5| 24)] [2018-04-12 07:35:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:02,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-04-12 07:35:02,405 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-04-12 07:35:02,405 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=864, Invalid=1028, Unknown=0, NotChecked=0, Total=1892 [2018-04-12 07:35:02,405 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 44 states. [2018-04-12 07:35:03,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:03,046 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-04-12 07:35:03,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-04-12 07:35:03,046 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 55 [2018-04-12 07:35:03,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:03,046 INFO L225 Difference]: With dead ends: 59 [2018-04-12 07:35:03,046 INFO L226 Difference]: Without dead ends: 57 [2018-04-12 07:35:03,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=2588, Invalid=4552, Unknown=0, NotChecked=0, Total=7140 [2018-04-12 07:35:03,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-04-12 07:35:03,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-04-12 07:35:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-04-12 07:35:03,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-04-12 07:35:03,048 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-04-12 07:35:03,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:03,048 INFO L459 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-04-12 07:35:03,048 INFO L460 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-04-12 07:35:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-04-12 07:35:03,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-04-12 07:35:03,048 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:03,048 INFO L355 BasicCegarLoop]: trace histogram [40, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:03,048 INFO L408 AbstractCegarLoop]: === Iteration 43 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:03,048 INFO L82 PathProgramCache]: Analyzing trace with hash 519263512, now seen corresponding path program 40 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:03,050 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:03,494 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:03,494 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-04-12 07:35:03,494 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:03,494 INFO L182 omatonBuilderFactory]: Interpolants [7048#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 7049#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 7050#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 7051#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 7052#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 7053#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 7054#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 7055#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 7056#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 7057#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 7058#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 7059#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 7060#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 7061#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 6998#true, 7062#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 6999#false, 7063#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 7064#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 7065#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 7066#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 7067#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 7068#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 7069#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 7070#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 7071#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 7072#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 7073#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 7074#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 7075#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 7076#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 7077#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 7078#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 7079#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 7080#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 7081#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 7082#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 7083#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 7084#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 7085#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 7086#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 7087#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 7088#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 7089#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 7090#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:03,494 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:03,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-04-12 07:35:03,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-04-12 07:35:03,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=906, Invalid=1074, Unknown=0, NotChecked=0, Total=1980 [2018-04-12 07:35:03,495 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 45 states. [2018-04-12 07:35:04,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:04,145 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-04-12 07:35:04,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-04-12 07:35:04,145 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 56 [2018-04-12 07:35:04,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:04,146 INFO L225 Difference]: With dead ends: 60 [2018-04-12 07:35:04,146 INFO L226 Difference]: Without dead ends: 58 [2018-04-12 07:35:04,146 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 899 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=2714, Invalid=4768, Unknown=0, NotChecked=0, Total=7482 [2018-04-12 07:35:04,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-04-12 07:35:04,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-04-12 07:35:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-04-12 07:35:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-04-12 07:35:04,147 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-04-12 07:35:04,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:04,147 INFO L459 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-04-12 07:35:04,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-04-12 07:35:04,148 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-04-12 07:35:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-04-12 07:35:04,148 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:04,148 INFO L355 BasicCegarLoop]: trace histogram [41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:04,148 INFO L408 AbstractCegarLoop]: === Iteration 44 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:04,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1666977667, now seen corresponding path program 41 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:04,150 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:04,615 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:04,615 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-04-12 07:35:04,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:04,615 INFO L182 omatonBuilderFactory]: Interpolants [7360#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 7361#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 7362#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 7363#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 7364#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 7365#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 7366#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 7367#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 7368#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 7369#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 7370#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 7371#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 7372#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 7373#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 7374#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 7375#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 7376#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 7377#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 7378#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 7379#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 7380#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 7381#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 7382#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 7383#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 7384#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 7385#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 7386#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 7387#(not (= 80 |#Ultimate.C_memset_#amount|)), 7344#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 7345#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 7346#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 7347#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 7348#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 7349#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 7350#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 7351#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 7352#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 7353#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 7354#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 7355#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 7356#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 7293#true, 7357#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 7294#false, 7358#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 7359#(<= |#Ultimate.C_memset_#t~loopctr5| 14)] [2018-04-12 07:35:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:04,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-04-12 07:35:04,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-04-12 07:35:04,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=949, Invalid=1121, Unknown=0, NotChecked=0, Total=2070 [2018-04-12 07:35:04,616 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 46 states. [2018-04-12 07:35:05,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:05,269 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-04-12 07:35:05,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-04-12 07:35:05,270 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 57 [2018-04-12 07:35:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:05,270 INFO L225 Difference]: With dead ends: 61 [2018-04-12 07:35:05,270 INFO L226 Difference]: Without dead ends: 59 [2018-04-12 07:35:05,270 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 942 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=2843, Invalid=4989, Unknown=0, NotChecked=0, Total=7832 [2018-04-12 07:35:05,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-04-12 07:35:05,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-04-12 07:35:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-04-12 07:35:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-04-12 07:35:05,271 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-04-12 07:35:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:05,271 INFO L459 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-04-12 07:35:05,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-04-12 07:35:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-04-12 07:35:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-04-12 07:35:05,272 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:05,272 INFO L355 BasicCegarLoop]: trace histogram [42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:05,272 INFO L408 AbstractCegarLoop]: === Iteration 45 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:05,272 INFO L82 PathProgramCache]: Analyzing trace with hash -720977480, now seen corresponding path program 42 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:05,274 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:05,755 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:05,755 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-04-12 07:35:05,755 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:05,755 INFO L182 omatonBuilderFactory]: Interpolants [7680#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 7681#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 7682#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 7683#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 7684#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 7685#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 7686#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 7687#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 7688#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 7689#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 7690#(not (= 80 |#Ultimate.C_memset_#amount|)), 7646#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 7647#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 7648#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 7649#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 7650#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 7651#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 7652#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 7653#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 7654#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 7655#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 7656#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 7657#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 7594#true, 7658#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 7595#false, 7659#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 7660#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 7661#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 7662#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 7663#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 7664#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 7665#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 7666#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 7667#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 7668#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 7669#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 7670#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 7671#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 7672#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 7673#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 7674#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 7675#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 7676#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 7677#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 7678#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 7679#(<= |#Ultimate.C_memset_#t~loopctr5| 32)] [2018-04-12 07:35:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:05,755 INFO L442 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-04-12 07:35:05,756 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-04-12 07:35:05,756 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=993, Invalid=1169, Unknown=0, NotChecked=0, Total=2162 [2018-04-12 07:35:05,756 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 47 states. [2018-04-12 07:35:06,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:06,427 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-04-12 07:35:06,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-04-12 07:35:06,427 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 58 [2018-04-12 07:35:06,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:06,427 INFO L225 Difference]: With dead ends: 62 [2018-04-12 07:35:06,427 INFO L226 Difference]: Without dead ends: 60 [2018-04-12 07:35:06,428 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=2975, Invalid=5215, Unknown=0, NotChecked=0, Total=8190 [2018-04-12 07:35:06,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-04-12 07:35:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-04-12 07:35:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-04-12 07:35:06,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-04-12 07:35:06,429 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-04-12 07:35:06,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:06,429 INFO L459 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-04-12 07:35:06,429 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-04-12 07:35:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-04-12 07:35:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-04-12 07:35:06,429 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:06,429 INFO L355 BasicCegarLoop]: trace histogram [43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:06,429 INFO L408 AbstractCegarLoop]: === Iteration 46 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:06,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1459742755, now seen corresponding path program 43 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:06,432 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:06,942 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:06,942 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-04-12 07:35:06,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:06,942 INFO L182 omatonBuilderFactory]: Interpolants [7954#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 7955#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 7956#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 7957#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 7958#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 7959#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 7960#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 7961#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 7962#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 7963#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 7964#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 7901#true, 7965#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 7902#false, 7966#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 7967#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 7968#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 7969#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 7970#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 7971#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 7972#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 7973#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 7974#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 7975#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 7976#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 7977#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 7978#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 7979#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 7980#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 7981#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 7982#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 7983#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 7984#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 7985#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 7986#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 7987#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 7988#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 7989#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 7990#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 7991#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 7992#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 7993#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 7994#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 7995#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 7996#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 7997#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 7998#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 7999#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:06,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-04-12 07:35:06,943 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-04-12 07:35:06,943 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1038, Invalid=1218, Unknown=0, NotChecked=0, Total=2256 [2018-04-12 07:35:06,943 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 48 states. [2018-04-12 07:35:07,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:07,703 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-04-12 07:35:07,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-04-12 07:35:07,703 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 59 [2018-04-12 07:35:07,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:07,703 INFO L225 Difference]: With dead ends: 63 [2018-04-12 07:35:07,703 INFO L226 Difference]: Without dead ends: 61 [2018-04-12 07:35:07,704 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1031 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=3110, Invalid=5446, Unknown=0, NotChecked=0, Total=8556 [2018-04-12 07:35:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-04-12 07:35:07,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-04-12 07:35:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-04-12 07:35:07,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-04-12 07:35:07,705 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-04-12 07:35:07,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:07,705 INFO L459 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-04-12 07:35:07,705 INFO L460 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-04-12 07:35:07,705 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-04-12 07:35:07,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-04-12 07:35:07,705 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:07,705 INFO L355 BasicCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:07,705 INFO L408 AbstractCegarLoop]: === Iteration 47 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:07,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1408337496, now seen corresponding path program 44 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:07,708 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:08,221 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:08,237 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:08,237 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-04-12 07:35:08,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:08,238 INFO L182 omatonBuilderFactory]: Interpolants [8214#true, 8215#false, 8268#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 8269#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 8270#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 8271#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 8272#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 8273#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 8274#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 8275#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 8276#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 8277#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 8278#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 8279#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 8280#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 8281#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 8282#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 8283#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 8284#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 8285#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 8286#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 8287#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 8288#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 8289#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 8290#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 8291#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 8292#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 8293#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 8294#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 8295#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 8296#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 8297#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 8298#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 8299#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 8300#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 8301#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 8302#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 8303#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 8304#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 8305#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 8306#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 8307#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 8308#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 8309#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 8310#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 8311#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 8312#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 8313#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 8314#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:08,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-04-12 07:35:08,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-04-12 07:35:08,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1084, Invalid=1268, Unknown=0, NotChecked=0, Total=2352 [2018-04-12 07:35:08,238 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 49 states. [2018-04-12 07:35:08,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:08,971 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-04-12 07:35:08,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-04-12 07:35:08,971 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 60 [2018-04-12 07:35:08,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:08,971 INFO L225 Difference]: With dead ends: 64 [2018-04-12 07:35:08,971 INFO L226 Difference]: Without dead ends: 62 [2018-04-12 07:35:08,972 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=3248, Invalid=5682, Unknown=0, NotChecked=0, Total=8930 [2018-04-12 07:35:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-04-12 07:35:08,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-04-12 07:35:08,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-04-12 07:35:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-04-12 07:35:08,973 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-04-12 07:35:08,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:08,973 INFO L459 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-04-12 07:35:08,973 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-04-12 07:35:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-04-12 07:35:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-04-12 07:35:08,973 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:08,973 INFO L355 BasicCegarLoop]: trace histogram [45, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:08,973 INFO L408 AbstractCegarLoop]: === Iteration 48 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:08,974 INFO L82 PathProgramCache]: Analyzing trace with hash 124512061, now seen corresponding path program 45 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:08,976 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:09,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:09,547 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:09,547 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-04-12 07:35:09,547 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:09,548 INFO L182 omatonBuilderFactory]: Interpolants [8588#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 8589#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 8590#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 8591#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 8592#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 8593#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 8594#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 8595#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 8596#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 8597#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 8598#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 8599#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 8600#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 8601#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 8602#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 8603#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 8604#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 8605#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 8606#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 8607#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 8608#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 8609#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 8610#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 8611#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 8612#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 8613#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 8614#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 8615#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 8616#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 8617#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 8618#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 8619#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 8620#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 8621#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 8622#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 8623#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 8624#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 8625#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 8626#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 8627#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 8628#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 8629#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 8630#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 8631#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 8632#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 8633#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 8634#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 8635#(not (= 80 |#Ultimate.C_memset_#amount|)), 8533#true, 8534#false] [2018-04-12 07:35:09,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:09,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-04-12 07:35:09,548 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-04-12 07:35:09,548 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1131, Invalid=1319, Unknown=0, NotChecked=0, Total=2450 [2018-04-12 07:35:09,548 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 50 states. [2018-04-12 07:35:10,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:10,328 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-04-12 07:35:10,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-04-12 07:35:10,329 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 61 [2018-04-12 07:35:10,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:10,329 INFO L225 Difference]: With dead ends: 65 [2018-04-12 07:35:10,329 INFO L226 Difference]: Without dead ends: 63 [2018-04-12 07:35:10,329 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=3389, Invalid=5923, Unknown=0, NotChecked=0, Total=9312 [2018-04-12 07:35:10,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-04-12 07:35:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-04-12 07:35:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-04-12 07:35:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-04-12 07:35:10,331 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-04-12 07:35:10,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:10,331 INFO L459 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-04-12 07:35:10,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-04-12 07:35:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-04-12 07:35:10,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-04-12 07:35:10,331 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:10,331 INFO L355 BasicCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:10,332 INFO L408 AbstractCegarLoop]: === Iteration 49 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:10,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1019370760, now seen corresponding path program 46 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:10,348 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:10,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:10,920 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:10,920 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-04-12 07:35:10,920 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:10,920 INFO L182 omatonBuilderFactory]: Interpolants [8960#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 8961#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 8962#(not (= 80 |#Ultimate.C_memset_#amount|)), 8858#true, 8859#false, 8914#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 8915#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 8916#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 8917#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 8918#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 8919#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 8920#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 8921#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 8922#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 8923#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 8924#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 8925#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 8926#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 8927#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 8928#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 8929#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 8930#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 8931#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 8932#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 8933#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 8934#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 8935#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 8936#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 8937#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 8938#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 8939#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 8940#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 8941#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 8942#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 8943#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 8944#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 8945#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 8946#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 8947#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 8948#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 8949#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 8950#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 8951#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 8952#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 8953#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 8954#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 8955#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 8956#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 8957#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 8958#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 8959#(<= |#Ultimate.C_memset_#t~loopctr5| 44)] [2018-04-12 07:35:10,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:10,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-04-12 07:35:10,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-04-12 07:35:10,921 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1179, Invalid=1371, Unknown=0, NotChecked=0, Total=2550 [2018-04-12 07:35:10,921 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 51 states. [2018-04-12 07:35:11,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:11,706 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-04-12 07:35:11,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-04-12 07:35:11,706 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 62 [2018-04-12 07:35:11,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:11,706 INFO L225 Difference]: With dead ends: 66 [2018-04-12 07:35:11,706 INFO L226 Difference]: Without dead ends: 64 [2018-04-12 07:35:11,707 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1172 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=3533, Invalid=6169, Unknown=0, NotChecked=0, Total=9702 [2018-04-12 07:35:11,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-04-12 07:35:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-04-12 07:35:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-04-12 07:35:11,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-04-12 07:35:11,708 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-04-12 07:35:11,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:11,708 INFO L459 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-04-12 07:35:11,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-04-12 07:35:11,709 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-04-12 07:35:11,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-04-12 07:35:11,709 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:11,709 INFO L355 BasicCegarLoop]: trace histogram [47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:11,709 INFO L408 AbstractCegarLoop]: === Iteration 50 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:11,709 INFO L82 PathProgramCache]: Analyzing trace with hash -2119999843, now seen corresponding path program 47 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:11,712 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:12,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:12,299 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:12,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-04-12 07:35:12,300 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:12,300 INFO L182 omatonBuilderFactory]: Interpolants [9246#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 9247#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 9248#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 9249#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 9250#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 9251#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 9252#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 9253#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 9254#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 9255#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 9256#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 9257#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 9258#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 9259#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 9260#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 9261#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 9262#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 9263#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 9264#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 9265#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 9266#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 9267#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 9268#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 9269#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 9270#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 9271#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 9272#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 9273#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 9274#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 9275#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 9276#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 9277#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 9278#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 9279#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 9280#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 9281#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 9282#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 9283#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 9284#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 9285#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 9286#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 9287#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 9288#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 9289#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 9290#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 9291#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 9292#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 9293#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 9294#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 9295#(not (= 80 |#Ultimate.C_memset_#amount|)), 9189#true, 9190#false] [2018-04-12 07:35:12,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:12,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-04-12 07:35:12,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-04-12 07:35:12,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1228, Invalid=1424, Unknown=0, NotChecked=0, Total=2652 [2018-04-12 07:35:12,301 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 52 states. [2018-04-12 07:35:13,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:13,126 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-04-12 07:35:13,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-04-12 07:35:13,126 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 63 [2018-04-12 07:35:13,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:13,127 INFO L225 Difference]: With dead ends: 67 [2018-04-12 07:35:13,127 INFO L226 Difference]: Without dead ends: 65 [2018-04-12 07:35:13,127 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=3680, Invalid=6420, Unknown=0, NotChecked=0, Total=10100 [2018-04-12 07:35:13,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-04-12 07:35:13,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-04-12 07:35:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-04-12 07:35:13,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-04-12 07:35:13,128 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-04-12 07:35:13,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:13,128 INFO L459 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-04-12 07:35:13,128 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-04-12 07:35:13,128 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-04-12 07:35:13,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-04-12 07:35:13,129 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:13,129 INFO L355 BasicCegarLoop]: trace histogram [48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:13,129 INFO L408 AbstractCegarLoop]: === Iteration 51 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:13,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1879763048, now seen corresponding path program 48 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:13,131 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:13,744 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:13,744 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-04-12 07:35:13,744 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:13,744 INFO L182 omatonBuilderFactory]: Interpolants [9600#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 9601#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 9602#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 9603#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 9604#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 9605#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 9606#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 9607#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 9608#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 9609#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 9610#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 9611#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 9612#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 9613#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 9614#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 9615#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 9616#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 9617#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 9618#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 9619#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 9620#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 9621#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 9622#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 9623#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 9624#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 9625#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 9626#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 9627#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 9628#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 9629#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 9630#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 9631#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 9632#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 9633#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 9634#(not (= 80 |#Ultimate.C_memset_#amount|)), 9526#true, 9527#false, 9584#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 9585#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 9586#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 9587#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 9588#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 9589#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 9590#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 9591#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 9592#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 9593#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 9594#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 9595#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 9596#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 9597#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 9598#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 9599#(<= |#Ultimate.C_memset_#t~loopctr5| 14)] [2018-04-12 07:35:13,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:13,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-04-12 07:35:13,745 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-04-12 07:35:13,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1278, Invalid=1478, Unknown=0, NotChecked=0, Total=2756 [2018-04-12 07:35:13,745 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 53 states. [2018-04-12 07:35:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:14,651 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-04-12 07:35:14,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-04-12 07:35:14,651 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 64 [2018-04-12 07:35:14,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:14,651 INFO L225 Difference]: With dead ends: 68 [2018-04-12 07:35:14,651 INFO L226 Difference]: Without dead ends: 66 [2018-04-12 07:35:14,652 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1271 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=3830, Invalid=6676, Unknown=0, NotChecked=0, Total=10506 [2018-04-12 07:35:14,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-04-12 07:35:14,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-04-12 07:35:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-04-12 07:35:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-04-12 07:35:14,653 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-04-12 07:35:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:14,653 INFO L459 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-04-12 07:35:14,653 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-04-12 07:35:14,653 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-04-12 07:35:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-04-12 07:35:14,654 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:14,654 INFO L355 BasicCegarLoop]: trace histogram [49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:14,654 INFO L408 AbstractCegarLoop]: === Iteration 52 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:14,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1272610301, now seen corresponding path program 49 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:14,656 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:15,297 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:15,297 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-04-12 07:35:15,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:15,297 INFO L182 omatonBuilderFactory]: Interpolants [9869#true, 9870#false, 9928#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 9929#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 9930#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 9931#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 9932#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 9933#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 9934#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 9935#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 9936#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 9937#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 9938#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 9939#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 9940#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 9941#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 9942#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 9943#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 9944#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 9945#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 9946#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 9947#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 9948#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 9949#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 9950#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 9951#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 9952#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 9953#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 9954#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 9955#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 9956#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 9957#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 9958#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 9959#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 9960#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 9961#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 9962#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 9963#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 9964#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 9965#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 9966#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 9967#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 9968#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 9969#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 9970#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 9971#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 9972#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 9973#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 9974#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 9975#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 9976#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 9977#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 9978#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 9979#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:15,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-04-12 07:35:15,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-04-12 07:35:15,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1329, Invalid=1533, Unknown=0, NotChecked=0, Total=2862 [2018-04-12 07:35:15,298 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 54 states. [2018-04-12 07:35:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:16,214 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-04-12 07:35:16,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-04-12 07:35:16,214 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 65 [2018-04-12 07:35:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:16,215 INFO L225 Difference]: With dead ends: 69 [2018-04-12 07:35:16,215 INFO L226 Difference]: Without dead ends: 67 [2018-04-12 07:35:16,215 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1322 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=3983, Invalid=6937, Unknown=0, NotChecked=0, Total=10920 [2018-04-12 07:35:16,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-04-12 07:35:16,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-04-12 07:35:16,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-04-12 07:35:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-04-12 07:35:16,216 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-04-12 07:35:16,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:16,217 INFO L459 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-04-12 07:35:16,217 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-04-12 07:35:16,217 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-04-12 07:35:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-04-12 07:35:16,217 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:16,217 INFO L355 BasicCegarLoop]: trace histogram [50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:16,217 INFO L408 AbstractCegarLoop]: === Iteration 53 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:16,217 INFO L82 PathProgramCache]: Analyzing trace with hash 211936312, now seen corresponding path program 50 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:16,219 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:16,909 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:16,909 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-04-12 07:35:16,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:16,909 INFO L182 omatonBuilderFactory]: Interpolants [10278#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 10279#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 10280#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 10281#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 10282#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 10283#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 10284#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 10285#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 10286#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 10287#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 10288#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 10289#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 10290#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 10291#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 10292#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 10293#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 10294#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 10295#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 10296#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 10297#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 10298#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 10299#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 10300#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 10301#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 10302#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 10303#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 10304#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 10305#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 10306#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 10307#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 10308#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 10309#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 10310#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 10311#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 10312#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 10313#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 10314#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 10315#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 10316#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 10317#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 10318#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 10319#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 10320#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 10321#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 10322#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 10323#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 10324#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 10325#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 10326#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 10327#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 10328#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 10329#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 10330#(not (= 80 |#Ultimate.C_memset_#amount|)), 10218#true, 10219#false] [2018-04-12 07:35:16,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:16,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-04-12 07:35:16,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-04-12 07:35:16,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1381, Invalid=1589, Unknown=0, NotChecked=0, Total=2970 [2018-04-12 07:35:16,910 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 55 states. [2018-04-12 07:35:17,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:17,843 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-04-12 07:35:17,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-04-12 07:35:17,843 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 66 [2018-04-12 07:35:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:17,844 INFO L225 Difference]: With dead ends: 70 [2018-04-12 07:35:17,844 INFO L226 Difference]: Without dead ends: 68 [2018-04-12 07:35:17,844 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=4139, Invalid=7203, Unknown=0, NotChecked=0, Total=11342 [2018-04-12 07:35:17,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-12 07:35:17,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-04-12 07:35:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-12 07:35:17,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-04-12 07:35:17,845 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-04-12 07:35:17,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:17,845 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-04-12 07:35:17,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-04-12 07:35:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-04-12 07:35:17,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-04-12 07:35:17,845 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:17,845 INFO L355 BasicCegarLoop]: trace histogram [51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:17,845 INFO L408 AbstractCegarLoop]: === Iteration 54 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:17,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1690781021, now seen corresponding path program 51 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:17,848 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:18,532 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:18,533 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-04-12 07:35:18,533 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:18,533 INFO L182 omatonBuilderFactory]: Interpolants [10634#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 10635#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 10636#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 10637#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 10638#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 10639#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 10640#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 10641#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 10642#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 10643#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 10644#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 10645#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 10646#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 10647#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 10648#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 10649#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 10650#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 10651#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 10652#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 10653#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 10654#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 10655#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 10656#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 10657#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 10658#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 10659#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 10660#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 10661#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 10662#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 10663#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 10664#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 10665#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 10666#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 10667#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 10668#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 10669#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 10670#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 10671#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 10672#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 10673#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 10674#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 10675#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 10676#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 10677#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 10678#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 10679#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 10680#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 10681#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 10682#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 10683#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 10684#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 10685#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 10686#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 10687#(not (= 80 |#Ultimate.C_memset_#amount|)), 10573#true, 10574#false] [2018-04-12 07:35:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:18,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-04-12 07:35:18,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-04-12 07:35:18,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1434, Invalid=1646, Unknown=0, NotChecked=0, Total=3080 [2018-04-12 07:35:18,534 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 56 states. [2018-04-12 07:35:19,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:19,485 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-04-12 07:35:19,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-04-12 07:35:19,486 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 67 [2018-04-12 07:35:19,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:19,486 INFO L225 Difference]: With dead ends: 71 [2018-04-12 07:35:19,486 INFO L226 Difference]: Without dead ends: 69 [2018-04-12 07:35:19,486 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=4298, Invalid=7474, Unknown=0, NotChecked=0, Total=11772 [2018-04-12 07:35:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-12 07:35:19,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-04-12 07:35:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-12 07:35:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-04-12 07:35:19,487 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-04-12 07:35:19,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:19,488 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-04-12 07:35:19,488 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-04-12 07:35:19,488 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-04-12 07:35:19,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-04-12 07:35:19,488 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:19,488 INFO L355 BasicCegarLoop]: trace histogram [52, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:19,488 INFO L408 AbstractCegarLoop]: === Iteration 55 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:19,488 INFO L82 PathProgramCache]: Analyzing trace with hash 290326744, now seen corresponding path program 52 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:19,491 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:20,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:20,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-04-12 07:35:20,177 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:20,178 INFO L182 omatonBuilderFactory]: Interpolants [11008#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 11009#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 11010#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 11011#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 11012#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 11013#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 11014#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 11015#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 11016#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 11017#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 11018#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 11019#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 11020#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 11021#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 11022#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 11023#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 11024#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 11025#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 11026#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 11027#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 11028#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 11029#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 11030#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 11031#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 11032#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 11033#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 11034#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 11035#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 11036#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 11037#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 11038#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 11039#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 11040#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 11041#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 11042#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 11043#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 11044#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 11045#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 11046#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 11047#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 11048#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 11049#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 11050#(not (= 80 |#Ultimate.C_memset_#amount|)), 10934#true, 10935#false, 10996#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 10997#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 10998#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 10999#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 11000#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 11001#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 11002#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 11003#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 11004#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 11005#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 11006#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 11007#(<= |#Ultimate.C_memset_#t~loopctr5| 10)] [2018-04-12 07:35:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:20,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-04-12 07:35:20,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-04-12 07:35:20,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1488, Invalid=1704, Unknown=0, NotChecked=0, Total=3192 [2018-04-12 07:35:20,178 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 57 states. [2018-04-12 07:35:21,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:21,147 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-04-12 07:35:21,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-04-12 07:35:21,147 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 68 [2018-04-12 07:35:21,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:21,148 INFO L225 Difference]: With dead ends: 72 [2018-04-12 07:35:21,148 INFO L226 Difference]: Without dead ends: 70 [2018-04-12 07:35:21,148 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1481 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=4460, Invalid=7750, Unknown=0, NotChecked=0, Total=12210 [2018-04-12 07:35:21,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-12 07:35:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-12 07:35:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-12 07:35:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-04-12 07:35:21,149 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-04-12 07:35:21,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:21,149 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-04-12 07:35:21,149 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-04-12 07:35:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-04-12 07:35:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-04-12 07:35:21,149 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:21,150 INFO L355 BasicCegarLoop]: trace histogram [53, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:21,150 INFO L408 AbstractCegarLoop]: === Iteration 56 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:21,150 INFO L82 PathProgramCache]: Analyzing trace with hash -174082883, now seen corresponding path program 53 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:21,152 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:21,877 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:21,878 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-04-12 07:35:21,878 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:21,878 INFO L182 omatonBuilderFactory]: Interpolants [11392#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 11393#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 11394#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 11395#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 11396#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 11397#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 11398#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 11399#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 11400#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 11401#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 11402#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 11403#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 11404#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 11405#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 11406#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 11407#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 11408#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 11409#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 11410#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 11411#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 11412#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 11413#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 11414#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 11415#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 11416#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 11417#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 11418#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 11419#(not (= 80 |#Ultimate.C_memset_#amount|)), 11301#true, 11302#false, 11364#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 11365#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 11366#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 11367#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 11368#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 11369#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 11370#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 11371#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 11372#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 11373#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 11374#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 11375#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 11376#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 11377#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 11378#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 11379#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 11380#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 11381#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 11382#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 11383#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 11384#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 11385#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 11386#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 11387#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 11388#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 11389#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 11390#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 11391#(<= |#Ultimate.C_memset_#t~loopctr5| 26)] [2018-04-12 07:35:21,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:21,878 INFO L442 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-04-12 07:35:21,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-04-12 07:35:21,878 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1543, Invalid=1763, Unknown=0, NotChecked=0, Total=3306 [2018-04-12 07:35:21,879 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 58 states. [2018-04-12 07:35:22,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:22,867 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-04-12 07:35:22,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-04-12 07:35:22,867 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 69 [2018-04-12 07:35:22,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:22,867 INFO L225 Difference]: With dead ends: 73 [2018-04-12 07:35:22,868 INFO L226 Difference]: Without dead ends: 71 [2018-04-12 07:35:22,868 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1536 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=4625, Invalid=8031, Unknown=0, NotChecked=0, Total=12656 [2018-04-12 07:35:22,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-12 07:35:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-04-12 07:35:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-12 07:35:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-04-12 07:35:22,870 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-04-12 07:35:22,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:22,870 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-04-12 07:35:22,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-04-12 07:35:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-04-12 07:35:22,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-04-12 07:35:22,870 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:22,871 INFO L355 BasicCegarLoop]: trace histogram [54, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:22,871 INFO L408 AbstractCegarLoop]: === Iteration 57 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:22,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1685879432, now seen corresponding path program 54 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:22,873 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:23,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:23,598 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:23,598 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-04-12 07:35:23,599 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:23,599 INFO L182 omatonBuilderFactory]: Interpolants [11776#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 11777#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 11778#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 11779#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 11780#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 11781#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 11782#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 11783#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 11784#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 11785#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 11786#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 11787#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 11788#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 11789#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 11790#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 11791#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 11792#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 11793#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 11794#(not (= 80 |#Ultimate.C_memset_#amount|)), 11674#true, 11675#false, 11738#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 11739#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 11740#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 11741#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 11742#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 11743#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 11744#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 11745#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 11746#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 11747#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 11748#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 11749#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 11750#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 11751#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 11752#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 11753#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 11754#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 11755#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 11756#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 11757#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 11758#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 11759#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 11760#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 11761#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 11762#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 11763#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 11764#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 11765#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 11766#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 11767#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 11768#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 11769#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 11770#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 11771#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 11772#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 11773#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 11774#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 11775#(<= |#Ultimate.C_memset_#t~loopctr5| 36)] [2018-04-12 07:35:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:23,599 INFO L442 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-04-12 07:35:23,600 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-04-12 07:35:23,600 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1599, Invalid=1823, Unknown=0, NotChecked=0, Total=3422 [2018-04-12 07:35:23,600 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 59 states. [2018-04-12 07:35:24,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:24,626 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-04-12 07:35:24,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-04-12 07:35:24,626 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 70 [2018-04-12 07:35:24,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:24,627 INFO L225 Difference]: With dead ends: 74 [2018-04-12 07:35:24,627 INFO L226 Difference]: Without dead ends: 72 [2018-04-12 07:35:24,627 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=4793, Invalid=8317, Unknown=0, NotChecked=0, Total=13110 [2018-04-12 07:35:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-12 07:35:24,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-04-12 07:35:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-12 07:35:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-04-12 07:35:24,629 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-04-12 07:35:24,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:24,629 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-04-12 07:35:24,629 INFO L460 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-04-12 07:35:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-04-12 07:35:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-04-12 07:35:24,629 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:24,629 INFO L355 BasicCegarLoop]: trace histogram [55, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:24,629 INFO L408 AbstractCegarLoop]: === Iteration 58 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:24,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1306932195, now seen corresponding path program 55 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:24,632 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:25,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:25,387 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:25,388 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-04-12 07:35:25,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:25,388 INFO L182 omatonBuilderFactory]: Interpolants [12160#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 12161#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 12162#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 12163#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 12164#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 12165#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 12166#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 12167#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 12168#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 12169#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 12170#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 12171#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 12172#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 12173#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 12174#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 12175#(not (= 80 |#Ultimate.C_memset_#amount|)), 12053#true, 12054#false, 12118#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 12119#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 12120#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 12121#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 12122#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 12123#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 12124#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 12125#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 12126#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 12127#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 12128#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 12129#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 12130#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 12131#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 12132#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 12133#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 12134#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 12135#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 12136#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 12137#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 12138#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 12139#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 12140#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 12141#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 12142#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 12143#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 12144#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 12145#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 12146#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 12147#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 12148#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 12149#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 12150#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 12151#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 12152#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 12153#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 12154#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 12155#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 12156#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 12157#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 12158#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 12159#(<= |#Ultimate.C_memset_#t~loopctr5| 40)] [2018-04-12 07:35:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:25,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-04-12 07:35:25,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-04-12 07:35:25,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1656, Invalid=1884, Unknown=0, NotChecked=0, Total=3540 [2018-04-12 07:35:25,389 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 60 states. [2018-04-12 07:35:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:26,436 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-04-12 07:35:26,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-04-12 07:35:26,455 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 71 [2018-04-12 07:35:26,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:26,455 INFO L225 Difference]: With dead ends: 75 [2018-04-12 07:35:26,455 INFO L226 Difference]: Without dead ends: 73 [2018-04-12 07:35:26,456 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1649 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=4964, Invalid=8608, Unknown=0, NotChecked=0, Total=13572 [2018-04-12 07:35:26,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-04-12 07:35:26,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-04-12 07:35:26,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-12 07:35:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-04-12 07:35:26,458 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-04-12 07:35:26,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:26,458 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-04-12 07:35:26,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-04-12 07:35:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-04-12 07:35:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-04-12 07:35:26,459 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:26,459 INFO L355 BasicCegarLoop]: trace histogram [56, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:26,459 INFO L408 AbstractCegarLoop]: === Iteration 59 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:26,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1850497560, now seen corresponding path program 56 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:26,461 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:27,261 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:27,262 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-04-12 07:35:27,262 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:27,262 INFO L182 omatonBuilderFactory]: Interpolants [12544#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 12545#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 12546#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 12547#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 12548#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 12549#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 12550#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 12551#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 12552#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 12553#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 12554#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 12555#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 12556#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 12557#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 12558#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 12559#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 12560#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 12561#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 12562#(not (= 80 |#Ultimate.C_memset_#amount|)), 12438#true, 12439#false, 12504#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 12505#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 12506#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 12507#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 12508#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 12509#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 12510#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 12511#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 12512#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 12513#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 12514#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 12515#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 12516#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 12517#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 12518#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 12519#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 12520#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 12521#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 12522#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 12523#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 12524#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 12525#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 12526#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 12527#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 12528#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 12529#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 12530#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 12531#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 12532#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 12533#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 12534#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 12535#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 12536#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 12537#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 12538#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 12539#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 12540#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 12541#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 12542#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 12543#(<= |#Ultimate.C_memset_#t~loopctr5| 38)] [2018-04-12 07:35:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:27,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-04-12 07:35:27,262 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-04-12 07:35:27,262 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1714, Invalid=1946, Unknown=0, NotChecked=0, Total=3660 [2018-04-12 07:35:27,263 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 61 states. [2018-04-12 07:35:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:28,331 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-04-12 07:35:28,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-04-12 07:35:28,332 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 72 [2018-04-12 07:35:28,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:28,332 INFO L225 Difference]: With dead ends: 76 [2018-04-12 07:35:28,332 INFO L226 Difference]: Without dead ends: 74 [2018-04-12 07:35:28,332 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1707 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=5138, Invalid=8904, Unknown=0, NotChecked=0, Total=14042 [2018-04-12 07:35:28,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-04-12 07:35:28,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-04-12 07:35:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-12 07:35:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-04-12 07:35:28,333 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-04-12 07:35:28,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:28,333 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-04-12 07:35:28,334 INFO L460 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-04-12 07:35:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-04-12 07:35:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-04-12 07:35:28,334 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:28,334 INFO L355 BasicCegarLoop]: trace histogram [57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:28,334 INFO L408 AbstractCegarLoop]: === Iteration 60 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash 946572157, now seen corresponding path program 57 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:28,349 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:28,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:29,178 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:29,178 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-04-12 07:35:29,178 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:29,179 INFO L182 omatonBuilderFactory]: Interpolants [12928#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 12929#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 12930#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 12931#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 12932#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 12933#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 12934#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 12935#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 12936#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 12937#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 12938#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 12939#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 12940#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 12941#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 12942#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 12943#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 12944#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 12945#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 12946#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 12947#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 12948#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 12949#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 12950#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 12951#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 12952#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 12953#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 12954#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 12955#(not (= 80 |#Ultimate.C_memset_#amount|)), 12829#true, 12830#false, 12896#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 12897#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 12898#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 12899#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 12900#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 12901#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 12902#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 12903#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 12904#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 12905#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 12906#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 12907#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 12908#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 12909#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 12910#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 12911#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 12912#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 12913#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 12914#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 12915#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 12916#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 12917#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 12918#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 12919#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 12920#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 12921#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 12922#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 12923#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 12924#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 12925#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 12926#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 12927#(<= |#Ultimate.C_memset_#t~loopctr5| 30)] [2018-04-12 07:35:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:29,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-04-12 07:35:29,179 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-04-12 07:35:29,179 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1773, Invalid=2009, Unknown=0, NotChecked=0, Total=3782 [2018-04-12 07:35:29,179 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 62 states. [2018-04-12 07:35:30,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:30,268 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-04-12 07:35:30,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-04-12 07:35:30,268 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 73 [2018-04-12 07:35:30,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:30,268 INFO L225 Difference]: With dead ends: 77 [2018-04-12 07:35:30,268 INFO L226 Difference]: Without dead ends: 75 [2018-04-12 07:35:30,269 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1766 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=5315, Invalid=9205, Unknown=0, NotChecked=0, Total=14520 [2018-04-12 07:35:30,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-04-12 07:35:30,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-04-12 07:35:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-04-12 07:35:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-04-12 07:35:30,270 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-04-12 07:35:30,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:30,270 INFO L459 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-04-12 07:35:30,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-04-12 07:35:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-04-12 07:35:30,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-04-12 07:35:30,270 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:30,270 INFO L355 BasicCegarLoop]: trace histogram [58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:30,270 INFO L408 AbstractCegarLoop]: === Iteration 61 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:30,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1305311560, now seen corresponding path program 58 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:30,272 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:31,177 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:31,177 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-04-12 07:35:31,177 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:31,177 INFO L182 omatonBuilderFactory]: Interpolants [13312#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 13313#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 13314#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 13315#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 13316#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 13317#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 13318#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 13319#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 13320#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 13321#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 13322#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 13323#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 13324#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 13325#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 13326#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 13327#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 13328#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 13329#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 13330#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 13331#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 13332#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 13333#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 13334#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 13335#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 13336#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 13337#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 13338#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 13339#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 13340#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 13341#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 13342#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 13343#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 13344#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 13345#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 13346#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 13347#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 13348#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 13349#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 13350#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 13351#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 13352#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 13353#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 13226#true, 13354#(not (= 80 |#Ultimate.C_memset_#amount|)), 13227#false, 13294#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 13295#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 13296#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 13297#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 13298#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 13299#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 13300#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 13301#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 13302#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 13303#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 13304#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 13305#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 13306#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 13307#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 13308#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 13309#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 13310#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 13311#(<= |#Ultimate.C_memset_#t~loopctr5| 16)] [2018-04-12 07:35:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:31,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-04-12 07:35:31,178 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-04-12 07:35:31,178 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1833, Invalid=2073, Unknown=0, NotChecked=0, Total=3906 [2018-04-12 07:35:31,178 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 63 states. [2018-04-12 07:35:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:32,350 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-04-12 07:35:32,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-04-12 07:35:32,350 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 74 [2018-04-12 07:35:32,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:32,351 INFO L225 Difference]: With dead ends: 78 [2018-04-12 07:35:32,351 INFO L226 Difference]: Without dead ends: 76 [2018-04-12 07:35:32,351 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1826 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=5495, Invalid=9511, Unknown=0, NotChecked=0, Total=15006 [2018-04-12 07:35:32,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-04-12 07:35:32,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-04-12 07:35:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-04-12 07:35:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-04-12 07:35:32,353 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-04-12 07:35:32,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:32,353 INFO L459 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-04-12 07:35:32,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-04-12 07:35:32,353 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-04-12 07:35:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-04-12 07:35:32,353 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:32,353 INFO L355 BasicCegarLoop]: trace histogram [59, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:32,353 INFO L408 AbstractCegarLoop]: === Iteration 62 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:32,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1900737245, now seen corresponding path program 59 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:32,361 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:33,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:33,235 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:33,236 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-04-12 07:35:33,236 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:33,236 INFO L182 omatonBuilderFactory]: Interpolants [13698#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 13699#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 13700#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 13701#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 13702#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 13703#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 13704#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 13705#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 13706#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 13707#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 13708#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 13709#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 13710#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 13711#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 13712#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 13713#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 13714#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 13715#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 13716#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 13717#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 13718#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 13719#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 13720#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 13721#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 13722#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 13723#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 13724#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 13725#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 13726#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 13727#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 13728#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 13729#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 13730#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 13731#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 13732#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 13733#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 13734#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 13735#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 13736#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 13737#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 13738#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 13739#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 13740#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 13741#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 13742#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 13743#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 13744#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 13745#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 13746#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 13747#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 13748#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 13749#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 13750#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 13751#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 13752#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 13753#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 13754#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 13755#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 13756#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 13629#true, 13757#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 13630#false, 13758#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 13759#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:33,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-04-12 07:35:33,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-04-12 07:35:33,237 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1894, Invalid=2138, Unknown=0, NotChecked=0, Total=4032 [2018-04-12 07:35:33,237 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 64 states. [2018-04-12 07:35:34,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:34,462 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-04-12 07:35:34,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-04-12 07:35:34,462 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 75 [2018-04-12 07:35:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:34,462 INFO L225 Difference]: With dead ends: 79 [2018-04-12 07:35:34,462 INFO L226 Difference]: Without dead ends: 77 [2018-04-12 07:35:34,463 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1887 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=5678, Invalid=9822, Unknown=0, NotChecked=0, Total=15500 [2018-04-12 07:35:34,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-12 07:35:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-04-12 07:35:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-04-12 07:35:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-04-12 07:35:34,464 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-04-12 07:35:34,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:34,464 INFO L459 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-04-12 07:35:34,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-04-12 07:35:34,464 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-04-12 07:35:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-04-12 07:35:34,464 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:34,464 INFO L355 BasicCegarLoop]: trace histogram [60, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:34,465 INFO L408 AbstractCegarLoop]: === Iteration 63 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:34,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1790964904, now seen corresponding path program 60 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:34,468 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:35,347 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:35,347 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-04-12 07:35:35,347 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:35,347 INFO L182 omatonBuilderFactory]: Interpolants [14108#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 14109#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 14110#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 14111#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 14112#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 14113#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 14114#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 14115#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 14116#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 14117#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 14118#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 14119#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 14120#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 14121#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 14122#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 14123#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 14124#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 14125#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 14126#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 14127#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 14128#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 14129#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 14130#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 14131#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 14132#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 14133#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 14134#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 14135#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 14136#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 14137#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 14138#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 14139#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 14140#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 14141#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 14142#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 14143#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 14144#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 14145#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 14146#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 14147#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 14148#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 14149#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 14150#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 14151#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 14152#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 14153#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 14154#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 14155#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 14156#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 14157#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 14158#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 14159#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 14160#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 14161#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 14162#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 14163#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 14164#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 14165#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 14038#true, 14166#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 14039#false, 14167#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 14168#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 14169#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 14170#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:35,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:35,348 INFO L442 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-04-12 07:35:35,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-04-12 07:35:35,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1956, Invalid=2204, Unknown=0, NotChecked=0, Total=4160 [2018-04-12 07:35:35,348 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 65 states. [2018-04-12 07:35:36,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:36,601 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-04-12 07:35:36,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-04-12 07:35:36,601 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 76 [2018-04-12 07:35:36,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:36,602 INFO L225 Difference]: With dead ends: 80 [2018-04-12 07:35:36,602 INFO L226 Difference]: Without dead ends: 78 [2018-04-12 07:35:36,602 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=5864, Invalid=10138, Unknown=0, NotChecked=0, Total=16002 [2018-04-12 07:35:36,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-04-12 07:35:36,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-04-12 07:35:36,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-04-12 07:35:36,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-04-12 07:35:36,603 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-04-12 07:35:36,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:36,604 INFO L459 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-04-12 07:35:36,604 INFO L460 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-04-12 07:35:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-04-12 07:35:36,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-04-12 07:35:36,604 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:36,604 INFO L355 BasicCegarLoop]: trace histogram [61, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:36,604 INFO L408 AbstractCegarLoop]: === Iteration 64 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:36,605 INFO L82 PathProgramCache]: Analyzing trace with hash -269614531, now seen corresponding path program 61 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:36,607 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:37,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:37,563 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:37,563 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-04-12 07:35:37,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:37,563 INFO L182 omatonBuilderFactory]: Interpolants [14524#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 14525#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 14526#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 14527#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 14528#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 14529#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 14530#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 14531#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 14532#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 14533#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 14534#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 14535#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 14536#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 14537#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 14538#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 14539#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 14540#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 14541#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 14542#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 14543#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 14544#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 14545#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 14546#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 14547#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 14548#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 14549#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 14550#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 14551#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 14552#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 14553#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 14554#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 14555#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 14556#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 14557#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 14558#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 14559#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 14560#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 14561#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 14562#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 14563#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 14564#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 14565#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 14566#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 14567#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 14568#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 14569#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 14570#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 14571#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 14572#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 14573#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 14574#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 14575#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 14576#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 14577#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 14578#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 14579#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 14580#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 14453#true, 14581#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 14454#false, 14582#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 14583#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 14584#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 14585#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 14586#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 14587#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:37,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:37,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-04-12 07:35:37,564 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-04-12 07:35:37,564 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2019, Invalid=2271, Unknown=0, NotChecked=0, Total=4290 [2018-04-12 07:35:37,564 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 66 states. [2018-04-12 07:35:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:38,866 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-04-12 07:35:38,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-04-12 07:35:38,866 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 77 [2018-04-12 07:35:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:38,866 INFO L225 Difference]: With dead ends: 81 [2018-04-12 07:35:38,866 INFO L226 Difference]: Without dead ends: 79 [2018-04-12 07:35:38,867 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=6053, Invalid=10459, Unknown=0, NotChecked=0, Total=16512 [2018-04-12 07:35:38,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-04-12 07:35:38,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-04-12 07:35:38,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-04-12 07:35:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-04-12 07:35:38,868 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-04-12 07:35:38,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:38,868 INFO L459 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-04-12 07:35:38,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-04-12 07:35:38,868 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-04-12 07:35:38,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-04-12 07:35:38,868 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:38,868 INFO L355 BasicCegarLoop]: trace histogram [62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:38,868 INFO L408 AbstractCegarLoop]: === Iteration 65 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:38,868 INFO L82 PathProgramCache]: Analyzing trace with hash -352393224, now seen corresponding path program 62 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:38,870 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:39,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:39,828 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:39,828 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-04-12 07:35:39,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:39,828 INFO L182 omatonBuilderFactory]: Interpolants [14976#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 14977#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 14978#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 14979#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 14980#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 14981#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 14982#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 14983#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 14984#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 14985#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 14986#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 14987#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 14988#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 14989#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 14990#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 14991#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 14992#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 14993#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 14994#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 14995#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 14996#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 14997#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 14998#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 14999#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 15000#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 15001#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 14874#true, 15002#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 14875#false, 15003#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 15004#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 15005#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 15006#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 15007#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 15008#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 15009#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 15010#(not (= 80 |#Ultimate.C_memset_#amount|)), 14946#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 14947#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 14948#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 14949#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 14950#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 14951#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 14952#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 14953#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 14954#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 14955#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 14956#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 14957#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 14958#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 14959#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 14960#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 14961#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 14962#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 14963#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 14964#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 14965#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 14966#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 14967#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 14968#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 14969#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 14970#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 14971#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 14972#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 14973#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 14974#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 14975#(<= |#Ultimate.C_memset_#t~loopctr5| 28)] [2018-04-12 07:35:39,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:39,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-04-12 07:35:39,829 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-04-12 07:35:39,829 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2083, Invalid=2339, Unknown=0, NotChecked=0, Total=4422 [2018-04-12 07:35:39,829 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 67 states. [2018-04-12 07:35:41,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:41,109 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-04-12 07:35:41,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-04-12 07:35:41,109 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 78 [2018-04-12 07:35:41,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:41,110 INFO L225 Difference]: With dead ends: 82 [2018-04-12 07:35:41,110 INFO L226 Difference]: Without dead ends: 80 [2018-04-12 07:35:41,110 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2076 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=6245, Invalid=10785, Unknown=0, NotChecked=0, Total=17030 [2018-04-12 07:35:41,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-04-12 07:35:41,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-04-12 07:35:41,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-12 07:35:41,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-04-12 07:35:41,111 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-04-12 07:35:41,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:41,111 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-04-12 07:35:41,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-04-12 07:35:41,112 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-04-12 07:35:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-04-12 07:35:41,112 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:41,112 INFO L355 BasicCegarLoop]: trace histogram [63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:41,112 INFO L408 AbstractCegarLoop]: === Iteration 66 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:41,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1376434589, now seen corresponding path program 63 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:41,114 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:42,101 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:42,101 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-04-12 07:35:42,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:42,101 INFO L182 omatonBuilderFactory]: Interpolants [15374#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 15375#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 15376#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 15377#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 15378#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 15379#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 15380#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 15381#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 15382#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 15383#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 15384#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 15385#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 15386#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 15387#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 15388#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 15389#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 15390#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 15391#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 15392#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 15393#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 15394#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 15395#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 15396#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 15397#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 15398#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 15399#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 15400#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 15401#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 15402#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 15403#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 15404#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 15405#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 15406#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 15407#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 15408#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 15409#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 15410#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 15411#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 15412#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 15413#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 15414#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 15415#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 15416#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 15417#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 15418#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 15419#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 15420#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 15421#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 15422#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 15423#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 15424#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 15425#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 15426#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 15427#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 15428#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 15301#true, 15429#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 15302#false, 15430#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 15431#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 15432#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 15433#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 15434#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 15435#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 15436#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 15437#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 15438#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 15439#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:42,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-04-12 07:35:42,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-04-12 07:35:42,102 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2148, Invalid=2408, Unknown=0, NotChecked=0, Total=4556 [2018-04-12 07:35:42,102 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 68 states. [2018-04-12 07:35:43,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:43,607 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-04-12 07:35:43,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-04-12 07:35:43,607 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 79 [2018-04-12 07:35:43,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:43,608 INFO L225 Difference]: With dead ends: 83 [2018-04-12 07:35:43,608 INFO L226 Difference]: Without dead ends: 81 [2018-04-12 07:35:43,609 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2141 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=6440, Invalid=11116, Unknown=0, NotChecked=0, Total=17556 [2018-04-12 07:35:43,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-04-12 07:35:43,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-04-12 07:35:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-04-12 07:35:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-04-12 07:35:43,610 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-04-12 07:35:43,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:43,611 INFO L459 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-04-12 07:35:43,611 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-04-12 07:35:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-04-12 07:35:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-04-12 07:35:43,611 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:43,611 INFO L355 BasicCegarLoop]: trace histogram [64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:43,611 INFO L408 AbstractCegarLoop]: === Iteration 67 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:43,612 INFO L82 PathProgramCache]: Analyzing trace with hash -864478056, now seen corresponding path program 64 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:43,614 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:44,614 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:44,614 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-04-12 07:35:44,614 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:44,615 INFO L182 omatonBuilderFactory]: Interpolants [15872#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 15873#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 15874#(not (= 80 |#Ultimate.C_memset_#amount|)), 15808#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 15809#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 15810#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 15811#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 15812#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 15813#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 15814#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 15815#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 15816#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 15817#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 15818#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 15819#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 15820#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 15821#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 15822#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 15823#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 15824#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 15825#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 15826#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 15827#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 15828#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 15829#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 15830#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 15831#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 15832#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 15833#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 15834#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 15835#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 15836#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 15837#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 15838#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 15839#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 15840#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 15841#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 15842#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 15843#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 15844#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 15845#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 15846#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 15847#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 15848#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 15849#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 15850#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 15851#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 15852#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 15853#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 15854#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 15855#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 15856#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 15857#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 15858#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 15859#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 15860#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 15861#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 15734#true, 15862#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 15735#false, 15863#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 15864#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 15865#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 15866#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 15867#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 15868#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 15869#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 15870#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 15871#(<= |#Ultimate.C_memset_#t~loopctr5| 62)] [2018-04-12 07:35:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:44,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-04-12 07:35:44,615 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-04-12 07:35:44,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2214, Invalid=2478, Unknown=0, NotChecked=0, Total=4692 [2018-04-12 07:35:44,615 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 69 states. [2018-04-12 07:35:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:45,931 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-04-12 07:35:45,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-04-12 07:35:45,931 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 80 [2018-04-12 07:35:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:45,932 INFO L225 Difference]: With dead ends: 84 [2018-04-12 07:35:45,932 INFO L226 Difference]: Without dead ends: 82 [2018-04-12 07:35:45,932 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2207 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=6638, Invalid=11452, Unknown=0, NotChecked=0, Total=18090 [2018-04-12 07:35:45,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-04-12 07:35:45,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-04-12 07:35:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-04-12 07:35:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-04-12 07:35:45,934 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-04-12 07:35:45,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:45,934 INFO L459 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-04-12 07:35:45,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-04-12 07:35:45,934 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-04-12 07:35:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-04-12 07:35:45,935 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:45,935 INFO L355 BasicCegarLoop]: trace histogram [65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:45,935 INFO L408 AbstractCegarLoop]: === Iteration 68 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:45,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1613293315, now seen corresponding path program 65 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:45,937 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:46,989 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:46,989 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-04-12 07:35:46,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:46,989 INFO L182 omatonBuilderFactory]: Interpolants [16256#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 16257#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 16258#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 16259#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 16260#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 16261#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 16262#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 16263#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 16264#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 16265#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 16266#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 16267#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 16268#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 16269#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 16270#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 16271#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 16272#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 16273#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 16274#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 16275#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 16276#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 16277#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 16278#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 16279#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 16280#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 16281#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 16282#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 16283#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 16284#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 16285#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 16286#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 16287#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 16288#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 16289#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 16290#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 16291#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 16292#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 16293#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 16294#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 16295#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 16296#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 16297#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 16298#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 16299#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 16300#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 16173#true, 16301#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 16174#false, 16302#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 16303#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 16304#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 16305#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 16306#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 16307#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 16308#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 16309#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 16310#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 16311#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 16312#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 16313#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 16314#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 16315#(not (= 80 |#Ultimate.C_memset_#amount|)), 16248#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 16249#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 16250#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 16251#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 16252#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 16253#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 16254#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 16255#(<= |#Ultimate.C_memset_#t~loopctr5| 6)] [2018-04-12 07:35:46,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:46,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-04-12 07:35:46,990 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-04-12 07:35:46,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2281, Invalid=2549, Unknown=0, NotChecked=0, Total=4830 [2018-04-12 07:35:46,990 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 70 states. [2018-04-12 07:35:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:48,490 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-04-12 07:35:48,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-04-12 07:35:48,490 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 81 [2018-04-12 07:35:48,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:48,491 INFO L225 Difference]: With dead ends: 85 [2018-04-12 07:35:48,491 INFO L226 Difference]: Without dead ends: 83 [2018-04-12 07:35:48,491 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2274 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=6839, Invalid=11793, Unknown=0, NotChecked=0, Total=18632 [2018-04-12 07:35:48,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-04-12 07:35:48,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-04-12 07:35:48,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-04-12 07:35:48,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-04-12 07:35:48,492 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-04-12 07:35:48,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:48,492 INFO L459 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-04-12 07:35:48,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-04-12 07:35:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-04-12 07:35:48,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-04-12 07:35:48,492 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:48,493 INFO L355 BasicCegarLoop]: trace histogram [66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:48,493 INFO L408 AbstractCegarLoop]: === Iteration 69 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:48,493 INFO L82 PathProgramCache]: Analyzing trace with hash 943237432, now seen corresponding path program 66 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:48,495 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:49,591 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:49,591 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-04-12 07:35:49,591 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:49,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:49,592 INFO L182 omatonBuilderFactory]: Interpolants [16694#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 16695#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 16696#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 16697#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 16698#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 16699#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 16700#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 16701#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 16702#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 16703#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 16704#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 16705#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 16706#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 16707#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 16708#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 16709#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 16710#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 16711#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 16712#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 16713#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 16714#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 16715#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 16716#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 16717#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 16718#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 16719#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 16720#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 16721#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 16722#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 16723#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 16724#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 16725#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 16726#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 16727#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 16728#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 16729#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 16730#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 16731#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 16732#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 16733#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 16734#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 16735#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 16736#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 16737#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 16738#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 16739#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 16740#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 16741#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 16742#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 16743#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 16744#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 16745#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 16618#true, 16746#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 16619#false, 16747#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 16748#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 16749#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 16750#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 16751#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 16752#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 16753#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 16754#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 16755#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 16756#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 16757#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 16758#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 16759#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 16760#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 16761#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 16762#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:49,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-04-12 07:35:49,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-04-12 07:35:49,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2349, Invalid=2621, Unknown=0, NotChecked=0, Total=4970 [2018-04-12 07:35:49,592 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 71 states. [2018-04-12 07:35:51,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:51,087 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-04-12 07:35:51,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-04-12 07:35:51,087 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 82 [2018-04-12 07:35:51,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:51,088 INFO L225 Difference]: With dead ends: 86 [2018-04-12 07:35:51,088 INFO L226 Difference]: Without dead ends: 84 [2018-04-12 07:35:51,088 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2342 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=7043, Invalid=12139, Unknown=0, NotChecked=0, Total=19182 [2018-04-12 07:35:51,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-04-12 07:35:51,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-04-12 07:35:51,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-04-12 07:35:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-04-12 07:35:51,089 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-04-12 07:35:51,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:51,089 INFO L459 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-04-12 07:35:51,089 INFO L460 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-04-12 07:35:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-04-12 07:35:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-04-12 07:35:51,090 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:51,090 INFO L355 BasicCegarLoop]: trace histogram [67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:51,090 INFO L408 AbstractCegarLoop]: === Iteration 70 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:51,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1408688035, now seen corresponding path program 67 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:51,092 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:52,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:52,189 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:52,189 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-04-12 07:35:52,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:52,190 INFO L182 omatonBuilderFactory]: Interpolants [17152#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 17153#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 17154#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 17155#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 17156#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 17157#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 17158#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 17159#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 17160#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 17161#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 17162#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 17163#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 17164#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 17165#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 17166#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 17167#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 17168#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 17169#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 17170#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 17171#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 17172#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 17173#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 17174#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 17175#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 17176#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 17177#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 17178#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 17179#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 17180#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 17181#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 17182#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 17183#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 17184#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 17185#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 17186#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 17187#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 17188#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 17189#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 17190#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 17191#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 17192#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 17193#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 17194#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 17195#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 17196#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 17069#true, 17197#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 17070#false, 17198#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 17199#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 17200#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 17201#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 17202#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 17203#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 17204#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 17205#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 17206#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 17207#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 17208#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 17209#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 17210#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 17211#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 17212#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 17213#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 17214#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 17215#(not (= 80 |#Ultimate.C_memset_#amount|)), 17146#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 17147#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 17148#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 17149#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 17150#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 17151#(<= |#Ultimate.C_memset_#t~loopctr5| 4)] [2018-04-12 07:35:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:52,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-04-12 07:35:52,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-04-12 07:35:52,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2418, Invalid=2694, Unknown=0, NotChecked=0, Total=5112 [2018-04-12 07:35:52,190 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 72 states. [2018-04-12 07:35:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:53,710 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-04-12 07:35:53,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-04-12 07:35:53,710 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 83 [2018-04-12 07:35:53,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:53,711 INFO L225 Difference]: With dead ends: 87 [2018-04-12 07:35:53,711 INFO L226 Difference]: Without dead ends: 85 [2018-04-12 07:35:53,711 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2411 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7250, Invalid=12490, Unknown=0, NotChecked=0, Total=19740 [2018-04-12 07:35:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-04-12 07:35:53,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-04-12 07:35:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-04-12 07:35:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-04-12 07:35:53,712 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-04-12 07:35:53,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:53,712 INFO L459 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-04-12 07:35:53,712 INFO L460 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-04-12 07:35:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-04-12 07:35:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-04-12 07:35:53,712 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:53,712 INFO L355 BasicCegarLoop]: trace histogram [68, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:53,713 INFO L408 AbstractCegarLoop]: === Iteration 71 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:53,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1303933480, now seen corresponding path program 68 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:53,715 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:54,811 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:54,811 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-04-12 07:35:54,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:54,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:54,811 INFO L182 omatonBuilderFactory]: Interpolants [17664#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 17665#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 17666#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 17667#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 17668#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 17669#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 17670#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 17671#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 17672#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 17673#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 17674#(not (= 80 |#Ultimate.C_memset_#amount|)), 17604#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 17605#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 17606#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 17607#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 17608#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 17609#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 17610#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 17611#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 17612#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 17613#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 17614#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 17615#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 17616#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 17617#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 17618#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 17619#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 17620#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 17621#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 17622#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 17623#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 17624#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 17625#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 17626#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 17627#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 17628#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 17629#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 17630#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 17631#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 17632#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 17633#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 17634#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 17635#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 17636#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 17637#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 17638#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 17639#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 17640#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 17641#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 17642#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 17643#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 17644#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 17645#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 17646#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 17647#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 17648#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 17649#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 17650#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 17651#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 17652#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 17653#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 17526#true, 17654#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 17527#false, 17655#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 17656#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 17657#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 17658#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 17659#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 17660#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 17661#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 17662#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 17663#(<= |#Ultimate.C_memset_#t~loopctr5| 58)] [2018-04-12 07:35:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:54,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-04-12 07:35:54,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-04-12 07:35:54,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2488, Invalid=2768, Unknown=0, NotChecked=0, Total=5256 [2018-04-12 07:35:54,812 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 73 states. [2018-04-12 07:35:56,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:56,321 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-04-12 07:35:56,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-04-12 07:35:56,321 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 84 [2018-04-12 07:35:56,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:56,322 INFO L225 Difference]: With dead ends: 88 [2018-04-12 07:35:56,322 INFO L226 Difference]: Without dead ends: 86 [2018-04-12 07:35:56,322 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2481 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=7460, Invalid=12846, Unknown=0, NotChecked=0, Total=20306 [2018-04-12 07:35:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-04-12 07:35:56,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-04-12 07:35:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-12 07:35:56,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-04-12 07:35:56,323 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-04-12 07:35:56,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:56,323 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-04-12 07:35:56,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-04-12 07:35:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-04-12 07:35:56,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-04-12 07:35:56,324 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:56,324 INFO L355 BasicCegarLoop]: trace histogram [69, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:56,324 INFO L408 AbstractCegarLoop]: === Iteration 72 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:56,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1943457725, now seen corresponding path program 69 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:56,326 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:57,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:57,507 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:35:57,507 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-04-12 07:35:57,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:35:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:57,508 INFO L182 omatonBuilderFactory]: Interpolants [18068#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 18069#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 18070#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 18071#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 18072#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 18073#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 18074#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 18075#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 18076#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 18077#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 18078#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 18079#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 18080#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 18081#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 18082#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 18083#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 18084#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 18085#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 18086#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 18087#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 18088#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 18089#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 18090#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 18091#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 18092#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 18093#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 18094#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 18095#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 18096#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 18097#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 18098#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 18099#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 18100#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 18101#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 18102#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 18103#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 18104#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 18105#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 18106#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 18107#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 18108#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 18109#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 18110#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 18111#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 18112#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 18113#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 18114#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 18115#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 18116#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 17989#true, 18117#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 17990#false, 18118#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 18119#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 18120#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 18121#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 18122#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 18123#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 18124#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 18125#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 18126#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 18127#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 18128#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 18129#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 18130#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 18131#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 18132#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 18133#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 18134#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 18135#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 18136#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 18137#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 18138#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 18139#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:35:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:35:57,508 INFO L442 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-04-12 07:35:57,508 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-04-12 07:35:57,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2559, Invalid=2843, Unknown=0, NotChecked=0, Total=5402 [2018-04-12 07:35:57,509 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 74 states. [2018-04-12 07:35:59,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:35:59,094 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-04-12 07:35:59,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-04-12 07:35:59,095 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 85 [2018-04-12 07:35:59,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:35:59,095 INFO L225 Difference]: With dead ends: 89 [2018-04-12 07:35:59,095 INFO L226 Difference]: Without dead ends: 87 [2018-04-12 07:35:59,096 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2552 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=7673, Invalid=13207, Unknown=0, NotChecked=0, Total=20880 [2018-04-12 07:35:59,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-04-12 07:35:59,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-04-12 07:35:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-04-12 07:35:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-04-12 07:35:59,098 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-04-12 07:35:59,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:35:59,098 INFO L459 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-04-12 07:35:59,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-04-12 07:35:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-04-12 07:35:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-04-12 07:35:59,099 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:35:59,099 INFO L355 BasicCegarLoop]: trace histogram [70, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:35:59,099 INFO L408 AbstractCegarLoop]: === Iteration 73 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:35:59,099 INFO L82 PathProgramCache]: Analyzing trace with hash -466630024, now seen corresponding path program 70 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:35:59,102 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:35:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:35:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:00,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:00,281 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:00,281 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-04-12 07:36:00,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:00,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:00,281 INFO L182 omatonBuilderFactory]: Interpolants [18560#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 18561#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 18562#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 18563#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 18564#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 18565#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 18566#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 18567#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 18568#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 18569#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 18570#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 18571#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 18572#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 18573#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 18574#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 18575#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 18576#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 18577#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 18578#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 18579#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 18580#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 18581#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 18582#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 18583#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 18584#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 18585#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 18458#true, 18586#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 18459#false, 18587#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 18588#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 18589#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 18590#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 18591#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 18592#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 18593#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 18594#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 18595#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 18596#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 18597#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 18598#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 18599#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 18600#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 18601#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 18602#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 18603#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 18604#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 18605#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 18606#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 18607#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 18608#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 18609#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 18610#(not (= 80 |#Ultimate.C_memset_#amount|)), 18538#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 18539#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 18540#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 18541#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 18542#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 18543#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 18544#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 18545#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 18546#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 18547#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 18548#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 18549#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 18550#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 18551#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 18552#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 18553#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 18554#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 18555#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 18556#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 18557#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 18558#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 18559#(<= |#Ultimate.C_memset_#t~loopctr5| 20)] [2018-04-12 07:36:00,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:00,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-04-12 07:36:00,282 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-04-12 07:36:00,282 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2631, Invalid=2919, Unknown=0, NotChecked=0, Total=5550 [2018-04-12 07:36:00,282 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 75 states. [2018-04-12 07:36:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:02,192 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-04-12 07:36:02,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-04-12 07:36:02,192 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 86 [2018-04-12 07:36:02,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:02,193 INFO L225 Difference]: With dead ends: 90 [2018-04-12 07:36:02,193 INFO L226 Difference]: Without dead ends: 88 [2018-04-12 07:36:02,193 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2624 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=7889, Invalid=13573, Unknown=0, NotChecked=0, Total=21462 [2018-04-12 07:36:02,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-04-12 07:36:02,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-04-12 07:36:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-04-12 07:36:02,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-04-12 07:36:02,194 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-04-12 07:36:02,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:02,194 INFO L459 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-04-12 07:36:02,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-04-12 07:36:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-04-12 07:36:02,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-04-12 07:36:02,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:02,195 INFO L355 BasicCegarLoop]: trace histogram [71, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:02,195 INFO L408 AbstractCegarLoop]: === Iteration 74 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:02,195 INFO L82 PathProgramCache]: Analyzing trace with hash 2130061085, now seen corresponding path program 71 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:02,197 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:03,421 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:03,421 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-04-12 07:36:03,422 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:03,422 INFO L182 omatonBuilderFactory]: Interpolants [19072#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 19073#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 19074#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 19075#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 19076#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 19077#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 19078#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 19079#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 19080#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 19081#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 19082#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 19083#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 19084#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 19085#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 19086#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 19087#(not (= 80 |#Ultimate.C_memset_#amount|)), 19014#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 19015#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 19016#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 19017#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 19018#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 19019#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 19020#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 19021#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 19022#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 19023#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 19024#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 19025#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 19026#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 19027#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 19028#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 19029#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 19030#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 19031#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 19032#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 19033#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 19034#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 19035#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 19036#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 19037#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 19038#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 19039#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 19040#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 19041#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 19042#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 19043#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 19044#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 19045#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 19046#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 19047#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 19048#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 19049#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 19050#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 19051#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 19052#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 19053#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 19054#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 19055#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 19056#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 19057#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 19058#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 19059#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 19060#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 18933#true, 19061#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 18934#false, 19062#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 19063#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 19064#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 19065#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 19066#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 19067#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 19068#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 19069#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 19070#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 19071#(<= |#Ultimate.C_memset_#t~loopctr5| 56)] [2018-04-12 07:36:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:03,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-04-12 07:36:03,423 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-04-12 07:36:03,423 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2704, Invalid=2996, Unknown=0, NotChecked=0, Total=5700 [2018-04-12 07:36:03,423 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 76 states. [2018-04-12 07:36:05,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:05,046 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-04-12 07:36:05,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-04-12 07:36:05,046 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 87 [2018-04-12 07:36:05,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:05,047 INFO L225 Difference]: With dead ends: 91 [2018-04-12 07:36:05,047 INFO L226 Difference]: Without dead ends: 89 [2018-04-12 07:36:05,047 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2697 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=8108, Invalid=13944, Unknown=0, NotChecked=0, Total=22052 [2018-04-12 07:36:05,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-12 07:36:05,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-04-12 07:36:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-04-12 07:36:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-04-12 07:36:05,049 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-04-12 07:36:05,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:05,049 INFO L459 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-04-12 07:36:05,049 INFO L460 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-04-12 07:36:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-04-12 07:36:05,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-04-12 07:36:05,049 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:05,050 INFO L355 BasicCegarLoop]: trace histogram [72, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:05,050 INFO L408 AbstractCegarLoop]: === Iteration 75 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:05,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1023106840, now seen corresponding path program 72 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:05,052 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:06,299 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:06,299 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-04-12 07:36:06,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:06,300 INFO L182 omatonBuilderFactory]: Interpolants [19496#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 19497#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 19498#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 19499#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 19500#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 19501#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 19502#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 19503#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 19504#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 19505#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 19506#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 19507#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 19508#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 19509#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 19510#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 19511#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 19512#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 19513#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 19514#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 19515#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 19516#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 19517#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 19518#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 19519#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 19520#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 19521#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 19522#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 19523#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 19524#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 19525#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 19526#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 19527#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 19528#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 19529#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 19530#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 19531#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 19532#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 19533#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 19534#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 19535#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 19536#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 19537#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 19538#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 19539#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 19540#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 19541#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 19414#true, 19542#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 19415#false, 19543#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 19544#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 19545#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 19546#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 19547#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 19548#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 19549#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 19550#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 19551#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 19552#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 19553#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 19554#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 19555#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 19556#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 19557#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 19558#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 19559#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 19560#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 19561#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 19562#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 19563#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 19564#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 19565#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 19566#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 19567#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 19568#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 19569#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 19570#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:36:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:06,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-04-12 07:36:06,300 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-04-12 07:36:06,300 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2778, Invalid=3074, Unknown=0, NotChecked=0, Total=5852 [2018-04-12 07:36:06,300 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 77 states. [2018-04-12 07:36:08,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:08,038 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-04-12 07:36:08,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-04-12 07:36:08,038 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 88 [2018-04-12 07:36:08,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:08,038 INFO L225 Difference]: With dead ends: 92 [2018-04-12 07:36:08,038 INFO L226 Difference]: Without dead ends: 90 [2018-04-12 07:36:08,039 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2771 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=8330, Invalid=14320, Unknown=0, NotChecked=0, Total=22650 [2018-04-12 07:36:08,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-04-12 07:36:08,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-04-12 07:36:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-04-12 07:36:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-04-12 07:36:08,040 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-04-12 07:36:08,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:08,040 INFO L459 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-04-12 07:36:08,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-04-12 07:36:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-04-12 07:36:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-04-12 07:36:08,040 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:08,040 INFO L355 BasicCegarLoop]: trace histogram [73, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:08,040 INFO L408 AbstractCegarLoop]: === Iteration 76 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:08,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1067263613, now seen corresponding path program 73 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:08,042 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:09,356 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:09,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-04-12 07:36:09,356 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:09,356 INFO L182 omatonBuilderFactory]: Interpolants [19984#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 19985#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 19986#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 19987#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 19988#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 19989#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 19990#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 19991#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 19992#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 19993#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 19994#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 19995#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 19996#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 19997#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 19998#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 19999#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 20000#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 20001#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 20002#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 20003#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 20004#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 20005#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 20006#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 20007#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 20008#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 20009#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 20010#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 20011#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 20012#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 20013#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 20014#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 20015#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 20016#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 20017#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 20018#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 20019#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 20020#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 20021#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 20022#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 20023#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 20024#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 20025#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 20026#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 20027#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 20028#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 19901#true, 20029#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 19902#false, 20030#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 20031#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 20032#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 20033#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 20034#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 20035#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 20036#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 20037#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 20038#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 20039#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 20040#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 20041#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 20042#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 20043#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 20044#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 20045#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 20046#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 20047#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 20048#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 20049#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 20050#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 20051#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 20052#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 20053#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 20054#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 20055#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 20056#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 20057#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 20058#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 20059#(not (= 80 |#Ultimate.C_memset_#amount|))] [2018-04-12 07:36:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:09,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-04-12 07:36:09,357 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-04-12 07:36:09,357 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2853, Invalid=3153, Unknown=0, NotChecked=0, Total=6006 [2018-04-12 07:36:09,357 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 78 states. [2018-04-12 07:36:11,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:11,086 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-04-12 07:36:11,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-04-12 07:36:11,087 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 89 [2018-04-12 07:36:11,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:11,087 INFO L225 Difference]: With dead ends: 93 [2018-04-12 07:36:11,087 INFO L226 Difference]: Without dead ends: 91 [2018-04-12 07:36:11,088 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2846 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=8555, Invalid=14701, Unknown=0, NotChecked=0, Total=23256 [2018-04-12 07:36:11,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-04-12 07:36:11,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-04-12 07:36:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-04-12 07:36:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-04-12 07:36:11,090 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-04-12 07:36:11,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:11,090 INFO L459 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-04-12 07:36:11,090 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-04-12 07:36:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-04-12 07:36:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-04-12 07:36:11,091 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:11,091 INFO L355 BasicCegarLoop]: trace histogram [74, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:11,091 INFO L408 AbstractCegarLoop]: === Iteration 77 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:11,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1858843720, now seen corresponding path program 74 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:11,093 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:12,411 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:12,411 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-04-12 07:36:12,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:12,412 INFO L182 omatonBuilderFactory]: Interpolants [20480#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 20481#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 20482#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 20483#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 20484#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 20485#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 20486#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 20487#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 20488#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 20489#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 20490#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 20491#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 20492#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 20493#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 20494#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 20495#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 20496#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 20497#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 20498#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 20499#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 20500#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 20501#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 20502#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 20503#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 20504#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 20505#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 20506#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 20507#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 20508#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 20509#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 20510#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 20511#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 20512#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 20513#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 20514#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 20515#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 20516#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 20517#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 20518#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 20519#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 20520#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 20521#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 20394#true, 20522#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 20395#false, 20523#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 20524#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 20525#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 20526#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 20527#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 20528#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 20529#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 20530#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 20531#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 20532#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 20533#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 20534#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 20535#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 20536#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 20537#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 20538#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 20539#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 20540#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 20541#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 20542#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 20543#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 20544#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 20545#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 20546#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 20547#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 20548#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 20549#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 20550#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 20551#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 20552#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 20553#(<= |#Ultimate.C_memset_#t~loopctr5| 74), 20554#(not (= 80 |#Ultimate.C_memset_#amount|)), 20478#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 20479#(= 0 |#Ultimate.C_memset_#t~loopctr5|)] [2018-04-12 07:36:12,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:12,412 INFO L442 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-04-12 07:36:12,412 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-04-12 07:36:12,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2929, Invalid=3233, Unknown=0, NotChecked=0, Total=6162 [2018-04-12 07:36:12,413 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 79 states. [2018-04-12 07:36:14,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:14,192 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-04-12 07:36:14,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-04-12 07:36:14,193 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 90 [2018-04-12 07:36:14,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:14,193 INFO L225 Difference]: With dead ends: 94 [2018-04-12 07:36:14,193 INFO L226 Difference]: Without dead ends: 92 [2018-04-12 07:36:14,194 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2922 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=8783, Invalid=15087, Unknown=0, NotChecked=0, Total=23870 [2018-04-12 07:36:14,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-04-12 07:36:14,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-04-12 07:36:14,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-04-12 07:36:14,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-04-12 07:36:14,195 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-04-12 07:36:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:14,195 INFO L459 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-04-12 07:36:14,195 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-04-12 07:36:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-04-12 07:36:14,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-04-12 07:36:14,195 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:14,195 INFO L355 BasicCegarLoop]: trace histogram [75, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:14,195 INFO L408 AbstractCegarLoop]: === Iteration 78 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:14,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1921109469, now seen corresponding path program 75 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:14,198 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:15,537 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:15,537 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-04-12 07:36:15,537 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:15,537 INFO L182 omatonBuilderFactory]: Interpolants [20992#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 20993#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 20994#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 20995#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 20996#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 20997#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 20998#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 20999#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 21000#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 21001#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 21002#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 21003#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 21004#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 21005#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 21006#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 21007#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 21008#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 21009#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 21010#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 21011#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 21012#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 21013#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 21014#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 21015#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 21016#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 21017#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 21018#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 21019#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 21020#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 20893#true, 21021#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 20894#false, 21022#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 21023#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 21024#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 21025#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 21026#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 21027#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 21028#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 21029#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 21030#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 21031#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 21032#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 21033#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 21034#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 21035#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 21036#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 21037#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 21038#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 21039#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 21040#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 21041#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 21042#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 21043#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 21044#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 21045#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 21046#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 21047#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 21048#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 21049#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 21050#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 21051#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 21052#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 21053#(<= |#Ultimate.C_memset_#t~loopctr5| 74), 21054#(<= |#Ultimate.C_memset_#t~loopctr5| 75), 21055#(not (= 80 |#Ultimate.C_memset_#amount|)), 20978#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 20979#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 20980#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 20981#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 20982#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 20983#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 20984#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 20985#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 20986#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 20987#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 20988#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 20989#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 20990#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 20991#(<= |#Ultimate.C_memset_#t~loopctr5| 12)] [2018-04-12 07:36:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:15,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-04-12 07:36:15,538 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-04-12 07:36:15,538 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3006, Invalid=3314, Unknown=0, NotChecked=0, Total=6320 [2018-04-12 07:36:15,538 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 80 states. [2018-04-12 07:36:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:17,310 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-04-12 07:36:17,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-04-12 07:36:17,310 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 91 [2018-04-12 07:36:17,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:17,311 INFO L225 Difference]: With dead ends: 95 [2018-04-12 07:36:17,311 INFO L226 Difference]: Without dead ends: 93 [2018-04-12 07:36:17,311 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2999 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=9014, Invalid=15478, Unknown=0, NotChecked=0, Total=24492 [2018-04-12 07:36:17,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-04-12 07:36:17,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-04-12 07:36:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-04-12 07:36:17,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-04-12 07:36:17,312 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-04-12 07:36:17,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:17,312 INFO L459 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-04-12 07:36:17,312 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-04-12 07:36:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-04-12 07:36:17,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-04-12 07:36:17,313 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:17,313 INFO L355 BasicCegarLoop]: trace histogram [76, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:17,313 INFO L408 AbstractCegarLoop]: === Iteration 79 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:17,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1159425960, now seen corresponding path program 76 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:17,323 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:18,670 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:18,671 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-04-12 07:36:18,671 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:18,671 INFO L182 omatonBuilderFactory]: Interpolants [21504#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 21505#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 21506#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 21507#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 21508#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 21509#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 21510#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 21511#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 21512#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 21513#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 21514#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 21515#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 21516#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 21517#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 21518#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 21519#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 21520#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 21521#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 21522#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 21523#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 21524#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 21525#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 21398#true, 21526#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 21399#false, 21527#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 21528#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 21529#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 21530#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 21531#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 21532#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 21533#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 21534#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 21535#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 21536#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 21537#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 21538#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 21539#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 21540#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 21541#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 21542#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 21543#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 21544#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 21545#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 21546#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 21547#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 21548#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 21549#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 21550#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 21551#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 21552#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 21553#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 21554#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 21555#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 21556#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 21557#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 21558#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 21559#(<= |#Ultimate.C_memset_#t~loopctr5| 74), 21560#(<= |#Ultimate.C_memset_#t~loopctr5| 75), 21561#(<= |#Ultimate.C_memset_#t~loopctr5| 76), 21562#(not (= 80 |#Ultimate.C_memset_#amount|)), 21484#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 21485#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 21486#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 21487#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 21488#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 21489#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 21490#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 21491#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 21492#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 21493#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 21494#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 21495#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 21496#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 21497#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 21498#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 21499#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 21500#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 21501#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 21502#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 21503#(<= |#Ultimate.C_memset_#t~loopctr5| 18)] [2018-04-12 07:36:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:18,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-04-12 07:36:18,672 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-04-12 07:36:18,672 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3084, Invalid=3396, Unknown=0, NotChecked=0, Total=6480 [2018-04-12 07:36:18,672 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 81 states. [2018-04-12 07:36:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:20,531 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-04-12 07:36:20,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-04-12 07:36:20,531 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 92 [2018-04-12 07:36:20,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:20,531 INFO L225 Difference]: With dead ends: 96 [2018-04-12 07:36:20,532 INFO L226 Difference]: Without dead ends: 94 [2018-04-12 07:36:20,532 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=9248, Invalid=15874, Unknown=0, NotChecked=0, Total=25122 [2018-04-12 07:36:20,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-04-12 07:36:20,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-04-12 07:36:20,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-04-12 07:36:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-04-12 07:36:20,533 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-04-12 07:36:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:20,533 INFO L459 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-04-12 07:36:20,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-04-12 07:36:20,533 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-04-12 07:36:20,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-04-12 07:36:20,533 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:20,533 INFO L355 BasicCegarLoop]: trace histogram [77, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:20,534 INFO L408 AbstractCegarLoop]: === Iteration 80 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:20,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2128223549, now seen corresponding path program 77 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:20,536 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:21,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:21,926 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:21,926 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-04-12 07:36:21,926 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:21,926 INFO L182 omatonBuilderFactory]: Interpolants [22016#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 22017#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 22018#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 22019#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 22020#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 22021#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 22022#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 22023#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 22024#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 22025#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 22026#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 22027#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 22028#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 22029#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 22030#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 22031#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 22032#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 22033#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 22034#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 22035#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 22036#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 21909#true, 22037#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 21910#false, 22038#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 22039#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 22040#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 22041#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 22042#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 22043#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 22044#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 22045#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 22046#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 22047#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 22048#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 22049#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 22050#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 22051#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 22052#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 22053#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 22054#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 22055#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 22056#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 22057#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 22058#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 22059#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 22060#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 22061#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 22062#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 22063#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 22064#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 22065#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 22066#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 22067#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 22068#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 22069#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 22070#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 22071#(<= |#Ultimate.C_memset_#t~loopctr5| 74), 22072#(<= |#Ultimate.C_memset_#t~loopctr5| 75), 22073#(<= |#Ultimate.C_memset_#t~loopctr5| 76), 22074#(<= |#Ultimate.C_memset_#t~loopctr5| 77), 22075#(not (= 80 |#Ultimate.C_memset_#amount|)), 21996#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 21997#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 21998#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 21999#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 22000#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 22001#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 22002#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 22003#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 22004#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 22005#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 22006#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 22007#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 22008#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 22009#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 22010#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 22011#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 22012#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 22013#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 22014#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 22015#(<= |#Ultimate.C_memset_#t~loopctr5| 18)] [2018-04-12 07:36:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:21,927 INFO L442 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-04-12 07:36:21,927 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-04-12 07:36:21,927 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3163, Invalid=3479, Unknown=0, NotChecked=0, Total=6642 [2018-04-12 07:36:21,927 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 82 states. [2018-04-12 07:36:23,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:23,826 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-04-12 07:36:23,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-04-12 07:36:23,827 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 93 [2018-04-12 07:36:23,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:23,827 INFO L225 Difference]: With dead ends: 97 [2018-04-12 07:36:23,827 INFO L226 Difference]: Without dead ends: 95 [2018-04-12 07:36:23,827 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3156 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=9485, Invalid=16275, Unknown=0, NotChecked=0, Total=25760 [2018-04-12 07:36:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-04-12 07:36:23,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-04-12 07:36:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-04-12 07:36:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-04-12 07:36:23,828 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-04-12 07:36:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:23,829 INFO L459 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-04-12 07:36:23,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-04-12 07:36:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-04-12 07:36:23,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-04-12 07:36:23,829 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:23,829 INFO L355 BasicCegarLoop]: trace histogram [78, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:23,829 INFO L408 AbstractCegarLoop]: === Iteration 81 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:23,829 INFO L82 PathProgramCache]: Analyzing trace with hash 966143224, now seen corresponding path program 78 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:23,831 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:25,272 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:25,272 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-04-12 07:36:25,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:25,273 INFO L182 omatonBuilderFactory]: Interpolants [22528#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 22529#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 22530#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 22531#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 22532#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 22533#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 22534#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 22535#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 22536#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 22537#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 22538#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 22539#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 22540#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 22541#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 22542#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 22543#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 22544#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 22545#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 22546#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 22547#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 22548#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 22549#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 22550#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 22551#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 22552#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 22553#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 22426#true, 22554#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 22427#false, 22555#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 22556#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 22557#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 22558#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 22559#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 22560#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 22561#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 22562#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 22563#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 22564#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 22565#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 22566#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 22567#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 22568#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 22569#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 22570#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 22571#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 22572#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 22573#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 22574#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 22575#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 22576#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 22577#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 22578#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 22579#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 22580#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 22581#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 22582#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 22583#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 22584#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 22585#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 22586#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 22587#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 22588#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 22589#(<= |#Ultimate.C_memset_#t~loopctr5| 74), 22590#(<= |#Ultimate.C_memset_#t~loopctr5| 75), 22591#(<= |#Ultimate.C_memset_#t~loopctr5| 76), 22592#(<= |#Ultimate.C_memset_#t~loopctr5| 77), 22593#(<= |#Ultimate.C_memset_#t~loopctr5| 78), 22594#(not (= 80 |#Ultimate.C_memset_#amount|)), 22514#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 22515#(= 0 |#Ultimate.C_memset_#t~loopctr5|), 22516#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 22517#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 22518#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 22519#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 22520#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 22521#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 22522#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 22523#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 22524#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 22525#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 22526#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 22527#(<= |#Ultimate.C_memset_#t~loopctr5| 12)] [2018-04-12 07:36:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:25,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-04-12 07:36:25,273 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-04-12 07:36:25,273 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3243, Invalid=3563, Unknown=0, NotChecked=0, Total=6806 [2018-04-12 07:36:25,274 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 83 states. [2018-04-12 07:36:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:27,208 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-04-12 07:36:27,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-04-12 07:36:27,208 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 94 [2018-04-12 07:36:27,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:27,209 INFO L225 Difference]: With dead ends: 98 [2018-04-12 07:36:27,209 INFO L226 Difference]: Without dead ends: 96 [2018-04-12 07:36:27,209 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3236 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=9725, Invalid=16681, Unknown=0, NotChecked=0, Total=26406 [2018-04-12 07:36:27,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-04-12 07:36:27,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-04-12 07:36:27,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-04-12 07:36:27,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-04-12 07:36:27,210 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-04-12 07:36:27,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:27,210 INFO L459 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-04-12 07:36:27,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-04-12 07:36:27,211 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-04-12 07:36:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-04-12 07:36:27,211 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:27,211 INFO L355 BasicCegarLoop]: trace histogram [79, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:27,211 INFO L408 AbstractCegarLoop]: === Iteration 82 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:27,211 INFO L82 PathProgramCache]: Analyzing trace with hash -698608483, now seen corresponding path program 79 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:27,213 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:28,683 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:28,700 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-12 07:36:28,700 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-04-12 07:36:28,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-12 07:36:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:28,701 INFO L182 omatonBuilderFactory]: Interpolants [23040#(= 1 |#Ultimate.C_memset_#t~loopctr5|), 23041#(<= |#Ultimate.C_memset_#t~loopctr5| 2), 23042#(<= |#Ultimate.C_memset_#t~loopctr5| 3), 23043#(<= |#Ultimate.C_memset_#t~loopctr5| 4), 23044#(<= |#Ultimate.C_memset_#t~loopctr5| 5), 23045#(<= |#Ultimate.C_memset_#t~loopctr5| 6), 23046#(<= |#Ultimate.C_memset_#t~loopctr5| 7), 23047#(<= |#Ultimate.C_memset_#t~loopctr5| 8), 23048#(<= |#Ultimate.C_memset_#t~loopctr5| 9), 23049#(<= |#Ultimate.C_memset_#t~loopctr5| 10), 23050#(<= |#Ultimate.C_memset_#t~loopctr5| 11), 23051#(<= |#Ultimate.C_memset_#t~loopctr5| 12), 23052#(<= |#Ultimate.C_memset_#t~loopctr5| 13), 23053#(<= |#Ultimate.C_memset_#t~loopctr5| 14), 23054#(<= |#Ultimate.C_memset_#t~loopctr5| 15), 23055#(<= |#Ultimate.C_memset_#t~loopctr5| 16), 23056#(<= |#Ultimate.C_memset_#t~loopctr5| 17), 23057#(<= |#Ultimate.C_memset_#t~loopctr5| 18), 23058#(<= |#Ultimate.C_memset_#t~loopctr5| 19), 23059#(<= |#Ultimate.C_memset_#t~loopctr5| 20), 23060#(<= |#Ultimate.C_memset_#t~loopctr5| 21), 23061#(<= |#Ultimate.C_memset_#t~loopctr5| 22), 23062#(<= |#Ultimate.C_memset_#t~loopctr5| 23), 23063#(<= |#Ultimate.C_memset_#t~loopctr5| 24), 23064#(<= |#Ultimate.C_memset_#t~loopctr5| 25), 23065#(<= |#Ultimate.C_memset_#t~loopctr5| 26), 23066#(<= |#Ultimate.C_memset_#t~loopctr5| 27), 23067#(<= |#Ultimate.C_memset_#t~loopctr5| 28), 23068#(<= |#Ultimate.C_memset_#t~loopctr5| 29), 23069#(<= |#Ultimate.C_memset_#t~loopctr5| 30), 23070#(<= |#Ultimate.C_memset_#t~loopctr5| 31), 23071#(<= |#Ultimate.C_memset_#t~loopctr5| 32), 23072#(<= |#Ultimate.C_memset_#t~loopctr5| 33), 23073#(<= |#Ultimate.C_memset_#t~loopctr5| 34), 23074#(<= |#Ultimate.C_memset_#t~loopctr5| 35), 23075#(<= |#Ultimate.C_memset_#t~loopctr5| 36), 23076#(<= |#Ultimate.C_memset_#t~loopctr5| 37), 22949#true, 23077#(<= |#Ultimate.C_memset_#t~loopctr5| 38), 22950#false, 23078#(<= |#Ultimate.C_memset_#t~loopctr5| 39), 23079#(<= |#Ultimate.C_memset_#t~loopctr5| 40), 23080#(<= |#Ultimate.C_memset_#t~loopctr5| 41), 23081#(<= |#Ultimate.C_memset_#t~loopctr5| 42), 23082#(<= |#Ultimate.C_memset_#t~loopctr5| 43), 23083#(<= |#Ultimate.C_memset_#t~loopctr5| 44), 23084#(<= |#Ultimate.C_memset_#t~loopctr5| 45), 23085#(<= |#Ultimate.C_memset_#t~loopctr5| 46), 23086#(<= |#Ultimate.C_memset_#t~loopctr5| 47), 23087#(<= |#Ultimate.C_memset_#t~loopctr5| 48), 23088#(<= |#Ultimate.C_memset_#t~loopctr5| 49), 23089#(<= |#Ultimate.C_memset_#t~loopctr5| 50), 23090#(<= |#Ultimate.C_memset_#t~loopctr5| 51), 23091#(<= |#Ultimate.C_memset_#t~loopctr5| 52), 23092#(<= |#Ultimate.C_memset_#t~loopctr5| 53), 23093#(<= |#Ultimate.C_memset_#t~loopctr5| 54), 23094#(<= |#Ultimate.C_memset_#t~loopctr5| 55), 23095#(<= |#Ultimate.C_memset_#t~loopctr5| 56), 23096#(<= |#Ultimate.C_memset_#t~loopctr5| 57), 23097#(<= |#Ultimate.C_memset_#t~loopctr5| 58), 23098#(<= |#Ultimate.C_memset_#t~loopctr5| 59), 23099#(<= |#Ultimate.C_memset_#t~loopctr5| 60), 23100#(<= |#Ultimate.C_memset_#t~loopctr5| 61), 23101#(<= |#Ultimate.C_memset_#t~loopctr5| 62), 23102#(<= |#Ultimate.C_memset_#t~loopctr5| 63), 23103#(<= |#Ultimate.C_memset_#t~loopctr5| 64), 23104#(<= |#Ultimate.C_memset_#t~loopctr5| 65), 23105#(<= |#Ultimate.C_memset_#t~loopctr5| 66), 23106#(<= |#Ultimate.C_memset_#t~loopctr5| 67), 23107#(<= |#Ultimate.C_memset_#t~loopctr5| 68), 23108#(<= |#Ultimate.C_memset_#t~loopctr5| 69), 23109#(<= |#Ultimate.C_memset_#t~loopctr5| 70), 23110#(<= |#Ultimate.C_memset_#t~loopctr5| 71), 23111#(<= |#Ultimate.C_memset_#t~loopctr5| 72), 23112#(<= |#Ultimate.C_memset_#t~loopctr5| 73), 23113#(<= |#Ultimate.C_memset_#t~loopctr5| 74), 23114#(<= |#Ultimate.C_memset_#t~loopctr5| 75), 23115#(<= |#Ultimate.C_memset_#t~loopctr5| 76), 23116#(<= |#Ultimate.C_memset_#t~loopctr5| 77), 23117#(<= |#Ultimate.C_memset_#t~loopctr5| 78), 23118#(<= |#Ultimate.C_memset_#t~loopctr5| 79), 23119#(not (= 80 |#Ultimate.C_memset_#amount|)), 23038#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 23039#(= 0 |#Ultimate.C_memset_#t~loopctr5|)] [2018-04-12 07:36:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-12 07:36:28,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-04-12 07:36:28,701 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-04-12 07:36:28,701 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3324, Invalid=3648, Unknown=0, NotChecked=0, Total=6972 [2018-04-12 07:36:28,702 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 84 states. [2018-04-12 07:36:30,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-12 07:36:30,697 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-04-12 07:36:30,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-04-12 07:36:30,697 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 95 [2018-04-12 07:36:30,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-12 07:36:30,697 INFO L225 Difference]: With dead ends: 99 [2018-04-12 07:36:30,697 INFO L226 Difference]: Without dead ends: 97 [2018-04-12 07:36:30,698 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3317 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=9968, Invalid=17092, Unknown=0, NotChecked=0, Total=27060 [2018-04-12 07:36:30,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-04-12 07:36:30,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-04-12 07:36:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-04-12 07:36:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-04-12 07:36:30,699 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-04-12 07:36:30,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-12 07:36:30,699 INFO L459 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-04-12 07:36:30,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-04-12 07:36:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-04-12 07:36:30,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-04-12 07:36:30,699 INFO L347 BasicCegarLoop]: Found error trace [2018-04-12 07:36:30,700 INFO L355 BasicCegarLoop]: trace histogram [80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-12 07:36:30,700 INFO L408 AbstractCegarLoop]: === Iteration 83 === [mainErr1RequiresViolation, mainErr2EnsuresViolationMEMORY_LEAK, mainErr0RequiresViolation]=== [2018-04-12 07:36:30,700 INFO L82 PathProgramCache]: Analyzing trace with hash -766303848, now seen corresponding path program 80 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-04-12 07:36:30,701 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-12 07:36:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-12 07:36:30,722 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-12 07:36:30,723 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.createTerm(Parser.java:802) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1304) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:408) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:417) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:363) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:118) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-04-12 07:36:30,725 INFO L168 Benchmark]: Toolchain (without parser) took 108271.25 ms. Allocated memory was 354.9 MB in the beginning and 680.0 MB in the end (delta: 325.1 MB). Free memory was 302.3 MB in the beginning and 483.9 MB in the end (delta: -181.6 MB). Peak memory consumption was 143.5 MB. Max. memory is 5.3 GB. [2018-04-12 07:36:30,726 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 354.9 MB. Free memory is still 324.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-12 07:36:30,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.21 ms. Allocated memory is still 354.9 MB. Free memory was 301.6 MB in the beginning and 292.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-04-12 07:36:30,726 INFO L168 Benchmark]: Boogie Preprocessor took 19.64 ms. Allocated memory is still 354.9 MB. Free memory was 292.4 MB in the beginning and 291.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-12 07:36:30,726 INFO L168 Benchmark]: RCFGBuilder took 197.12 ms. Allocated memory was 354.9 MB in the beginning and 482.3 MB in the end (delta: 127.4 MB). Free memory was 291.0 MB in the beginning and 450.3 MB in the end (delta: -159.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 5.3 GB. [2018-04-12 07:36:30,726 INFO L168 Benchmark]: TraceAbstraction took 107913.91 ms. Allocated memory was 482.3 MB in the beginning and 680.0 MB in the end (delta: 197.7 MB). Free memory was 450.3 MB in the beginning and 483.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 164.1 MB. Max. memory is 5.3 GB. [2018-04-12 07:36:30,727 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 354.9 MB. Free memory is still 324.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 138.21 ms. Allocated memory is still 354.9 MB. Free memory was 301.6 MB in the beginning and 292.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 19.64 ms. Allocated memory is still 354.9 MB. Free memory was 292.4 MB in the beginning and 291.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 197.12 ms. Allocated memory was 354.9 MB in the beginning and 482.3 MB in the end (delta: 127.4 MB). Free memory was 291.0 MB in the beginning and 450.3 MB in the end (delta: -159.3 MB). Peak memory consumption was 33.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 107913.91 ms. Allocated memory was 482.3 MB in the beginning and 680.0 MB in the end (delta: 197.7 MB). Free memory was 450.3 MB in the beginning and 483.9 MB in the end (delta: -33.6 MB). Peak memory consumption was 164.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Undeclared function symbol (array-ext (Array Int Int) (Array Int Int)): de.uni_freiburg.informatik.ultimate.logic.NoopScript.term(NoopScript.java:321) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memset_true-valid-memsafety_true-termination.c_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-12_07-36-30-732.csv Received shutdown request...