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-bitfields/test-bitfields-2_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-408c70d-m [2018-04-13 15:26:04,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-13 15:26:04,887 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-13 15:26:04,897 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-13 15:26:04,897 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-13 15:26:04,898 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-13 15:26:04,899 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-13 15:26:04,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-13 15:26:04,902 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-13 15:26:04,903 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-13 15:26:04,904 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-13 15:26:04,904 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-13 15:26:04,905 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-13 15:26:04,906 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-13 15:26:04,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-13 15:26:04,908 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-13 15:26:04,910 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-13 15:26:04,911 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-13 15:26:04,912 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-13 15:26:04,913 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-13 15:26:04,915 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-13 15:26:04,915 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-13 15:26:04,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-13 15:26:04,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-13 15:26:04,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-13 15:26:04,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-13 15:26:04,918 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-13 15:26:04,919 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-13 15:26:04,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-13 15:26:04,919 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-13 15:26:04,920 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-13 15:26:04,920 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 [2018-04-13 15:26:04,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-13 15:26:04,931 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-13 15:26:04,932 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-13 15:26:04,932 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-13 15:26:04,932 INFO L133 SettingsManager]: * Use SBE=true [2018-04-13 15:26:04,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-13 15:26:04,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-13 15:26:04,932 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-13 15:26:04,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-13 15:26:04,933 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-13 15:26:04,933 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-13 15:26:04,933 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-13 15:26:04,933 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-13 15:26:04,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-13 15:26:04,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-13 15:26:04,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-13 15:26:04,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-13 15:26:04,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-13 15:26:04,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-13 15:26:04,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 15:26:04,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-13 15:26:04,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-04-13 15:26:04,934 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-04-13 15:26:04,935 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 [2018-04-13 15:26:04,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-13 15:26:04,970 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-13 15:26:04,975 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-13 15:26:04,976 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-13 15:26:04,977 INFO L276 PluginConnector]: CDTParser initialized [2018-04-13 15:26:04,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety-bitfields/test-bitfields-2_false-valid-deref.i [2018-04-13 15:26:05,356 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe078dd97e [2018-04-13 15:26:05,439 INFO L287 CDTParser]: IsIndexed: true [2018-04-13 15:26:05,439 INFO L288 CDTParser]: Found 1 translation units. [2018-04-13 15:26:05,439 INFO L168 CDTParser]: Scanning test-bitfields-2_false-valid-deref.i [2018-04-13 15:26:05,440 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-13 15:26:05,440 INFO L215 ultiparseSymbolTable]: [2018-04-13 15:26:05,440 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-13 15:26:05,440 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in test-bitfields-2_false-valid-deref.i [2018-04-13 15:26:05,440 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-13 15:26:05,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields___false_valid_deref_i__size_t in test-bitfields-2_false-valid-deref.i [2018-04-13 15:26:05,441 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_ftest_bitfields___false_valid_deref_i__d in test-bitfields-2_false-valid-deref.i [2018-04-13 15:26:05,451 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAGe078dd97e [2018-04-13 15:26:05,455 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-13 15:26:05,456 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-13 15:26:05,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-13 15:26:05,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-13 15:26:05,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-13 15:26:05,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d3fc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05, skipping insertion in model container [2018-04-13 15:26:05,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,479 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 15:26:05,489 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-13 15:26:05,605 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 15:26:05,627 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-13 15:26:05,632 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 12 non ball SCCs. Number of states in SCCs 12. [2018-04-13 15:26:05,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05 WrapperNode [2018-04-13 15:26:05,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-13 15:26:05,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-13 15:26:05,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-13 15:26:05,643 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-13 15:26:05,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... [2018-04-13 15:26:05,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-13 15:26:05,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-13 15:26:05,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-13 15:26:05,675 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-13 15:26:05,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (1/1) ... No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-13 15:26:05,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-13 15:26:05,715 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-13 15:26:05,715 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-13 15:26:05,715 INFO L136 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2018-04-13 15:26:05,715 INFO L128 BoogieDeclarations]: Found specification of procedure memcpy [2018-04-13 15:26:05,715 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-04-13 15:26:05,715 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-13 15:26:05,716 INFO L128 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-04-13 15:26:05,717 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-13 15:26:05,993 WARN L446 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-04-13 15:26:06,002 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-13 15:26:06,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 03:26:06 BoogieIcfgContainer [2018-04-13 15:26:06,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-13 15:26:06,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-13 15:26:06,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-13 15:26:06,005 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-13 15:26:06,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 03:26:05" (1/3) ... [2018-04-13 15:26:06,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab587f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 03:26:06, skipping insertion in model container [2018-04-13 15:26:06,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 03:26:05" (2/3) ... [2018-04-13 15:26:06,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66ab587f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 03:26:06, skipping insertion in model container [2018-04-13 15:26:06,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 03:26:06" (3/3) ... [2018-04-13 15:26:06,007 INFO L107 eAbstractionObserver]: Analyzing ICFG test-bitfields-2_false-valid-deref.i [2018-04-13 15:26:06,015 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-13 15:26:06,020 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 37 error locations. [2018-04-13 15:26:06,044 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-13 15:26:06,045 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-13 15:26:06,045 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-13 15:26:06,045 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-04-13 15:26:06,045 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-13 15:26:06,045 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-13 15:26:06,045 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-13 15:26:06,045 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-13 15:26:06,045 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-13 15:26:06,046 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-13 15:26:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2018-04-13 15:26:06,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 15:26:06,063 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:06,064 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:06,064 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:06,068 INFO L82 PathProgramCache]: Analyzing trace with hash -2048667359, 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 [2018-04-13 15:26:06,076 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:06,112 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier [2018-04-13 15:26:06,150 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,150 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,151 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,151 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,305 WARN L151 SmtUtils]: Spent 131ms on a formula simplification. DAG size of input: 37 DAG size of output 32 [2018-04-13 15:26:06,320 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 15:26:06,321 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,323 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-13 15:26:06,324 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,330 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 15:26:06,331 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,372 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2018-04-13 15:26:06,373 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,380 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,380 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:121, output treesize:12 [2018-04-13 15:26:06,387 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,387 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,388 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,388 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,515 WARN L151 SmtUtils]: Spent 120ms on a formula simplification. DAG size of input: 37 DAG size of output 32 [2018-04-13 15:26:06,521 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2018-04-13 15:26:06,522 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,527 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 15:26:06,528 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,532 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2018-04-13 15:26:06,532 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,537 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2018-04-13 15:26:06,538 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,552 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2018-04-13 15:26:06,553 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2018-04-13 15:26:06,557 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,605 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2018-04-13 15:26:06,605 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,618 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 15:26:06,618 INFO L202 ElimStorePlain]: Needed 8 recursive calls to eliminate 3 variables, input treesize:121, output treesize:12 [2018-04-13 15:26:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:06,711 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:26:06,711 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:26:06,712 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:06,713 INFO L182 omatonBuilderFactory]: Interpolants [112#(= |old(#length)| |#length|), 113#(and (= |#length| (store |old(#length)| |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| 5)) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| 0)), 98#true, 99#false, 109#(and (= 0 |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset|) (= 5 (select |#length| |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base|))), 110#(and (<= (+ |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| 1) (select |#length| |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base|)) (<= 0 |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset|) (= 5 (select |#length| |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base|))), 111#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))] [2018-04-13 15:26:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:06,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 15:26:06,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 15:26:06,725 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-04-13 15:26:06,727 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 7 states. [2018-04-13 15:26:06,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:06,897 INFO L93 Difference]: Finished difference Result 92 states and 98 transitions. [2018-04-13 15:26:06,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 15:26:06,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2018-04-13 15:26:06,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:06,908 INFO L225 Difference]: With dead ends: 92 [2018-04-13 15:26:06,909 INFO L226 Difference]: Without dead ends: 89 [2018-04-13 15:26:06,910 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2018-04-13 15:26:06,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-04-13 15:26:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 86. [2018-04-13 15:26:06,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-04-13 15:26:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2018-04-13 15:26:06,938 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 15 [2018-04-13 15:26:06,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:06,939 INFO L459 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2018-04-13 15:26:06,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 15:26:06,939 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2018-04-13 15:26:06,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-04-13 15:26:06,940 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:06,940 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:06,940 INFO L408 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash -2048667360, 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 [2018-04-13 15:26:06,945 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:06,954 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 15:26:06,960 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,960 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,961 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:06,961 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,037 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-04-13 15:26:07,038 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,040 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2018-04-13 15:26:07,040 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2018-04-13 15:26:07,043 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,045 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2018-04-13 15:26:07,046 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 15:26:07,048 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,051 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 15:26:07,052 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,091 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2018-04-13 15:26:07,091 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 17 [2018-04-13 15:26:07,111 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,129 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,130 INFO L202 ElimStorePlain]: Needed 9 recursive calls to eliminate 3 variables, input treesize:97, output treesize:8 [2018-04-13 15:26:07,135 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,136 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,136 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,136 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,213 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2018-04-13 15:26:07,214 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,218 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 29 [2018-04-13 15:26:07,218 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,222 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2018-04-13 15:26:07,222 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,224 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2018-04-13 15:26:07,225 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,241 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 31 [2018-04-13 15:26:07,241 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,245 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2018-04-13 15:26:07,245 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2018-04-13 15:26:07,292 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,298 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 25 [2018-04-13 15:26:07,299 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,312 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-04-13 15:26:07,312 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,317 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-04-13 15:26:07,317 INFO L202 ElimStorePlain]: Needed 10 recursive calls to eliminate 3 variables, input treesize:97, output treesize:8 [2018-04-13 15:26:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,371 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:26:07,371 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-04-13 15:26:07,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,372 INFO L182 omatonBuilderFactory]: Interpolants [307#(= 1 (select |#valid| |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base|)), 308#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 296#true, 297#false] [2018-04-13 15:26:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-04-13 15:26:07,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-04-13 15:26:07,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-04-13 15:26:07,374 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand 4 states. [2018-04-13 15:26:07,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:07,535 INFO L93 Difference]: Finished difference Result 124 states and 134 transitions. [2018-04-13 15:26:07,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-04-13 15:26:07,535 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2018-04-13 15:26:07,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:07,537 INFO L225 Difference]: With dead ends: 124 [2018-04-13 15:26:07,537 INFO L226 Difference]: Without dead ends: 124 [2018-04-13 15:26:07,538 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-04-13 15:26:07,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-04-13 15:26:07,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 80. [2018-04-13 15:26:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-04-13 15:26:07,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 85 transitions. [2018-04-13 15:26:07,544 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 85 transitions. Word has length 15 [2018-04-13 15:26:07,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:07,544 INFO L459 AbstractCegarLoop]: Abstraction has 80 states and 85 transitions. [2018-04-13 15:26:07,544 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-04-13 15:26:07,544 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 85 transitions. [2018-04-13 15:26:07,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-13 15:26:07,545 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:07,545 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:07,545 INFO L408 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:07,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1967781157, 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 [2018-04-13 15:26:07,547 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:07,560 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 15:26:07,563 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,563 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,564 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,564 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,570 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#length| %1 5) (store %0 %1 5)) :qid itp)) :qid itp)) is different from true [2018-04-13 15:26:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,640 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:26:07,640 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:26:07,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:07,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,641 INFO L182 omatonBuilderFactory]: Interpolants [528#(and (<= 0 main_~p~0.offset) (<= (+ main_~p~0.offset 5) (select |#length| main_~p~0.base))), 529#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 515#true, 516#false, 526#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#length| %1 5) (store %0 %1 5)) :qid itp)) :qid itp)), 527#(and (= 5 (select |#length| |main_#t~malloc0.base|)) (= 0 |main_#t~malloc0.offset|))] [2018-04-13 15:26:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 15:26:07,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 15:26:07,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-13 15:26:07,642 INFO L87 Difference]: Start difference. First operand 80 states and 85 transitions. Second operand 6 states. [2018-04-13 15:26:07,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:07,794 INFO L93 Difference]: Finished difference Result 77 states and 83 transitions. [2018-04-13 15:26:07,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-04-13 15:26:07,794 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-13 15:26:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:07,795 INFO L225 Difference]: With dead ends: 77 [2018-04-13 15:26:07,795 INFO L226 Difference]: Without dead ends: 77 [2018-04-13 15:26:07,795 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=27, Unknown=3, NotChecked=10, Total=56 [2018-04-13 15:26:07,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-04-13 15:26:07,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2018-04-13 15:26:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-04-13 15:26:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 79 transitions. [2018-04-13 15:26:07,799 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 79 transitions. Word has length 20 [2018-04-13 15:26:07,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:07,799 INFO L459 AbstractCegarLoop]: Abstraction has 74 states and 79 transitions. [2018-04-13 15:26:07,799 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 15:26:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2018-04-13 15:26:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-04-13 15:26:07,799 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:07,799 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:07,799 INFO L408 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:07,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1967781159, 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 [2018-04-13 15:26:07,802 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:07,810 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-04-13 15:26:07,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,811 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:07,814 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 [2018-04-13 15:26:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:07,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,857 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:26:07,857 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-04-13 15:26:07,858 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,858 INFO L182 omatonBuilderFactory]: Interpolants [696#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 697#(= 1 (select |#valid| |main_#t~malloc0.base|)), 698#(= 1 (select |#valid| main_~p~0.base)), 699#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 685#true, 686#false] [2018-04-13 15:26:07,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:07,858 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-04-13 15:26:07,859 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-04-13 15:26:07,860 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=14, Unknown=1, NotChecked=6, Total=30 [2018-04-13 15:26:07,860 INFO L87 Difference]: Start difference. First operand 74 states and 79 transitions. Second operand 6 states. [2018-04-13 15:26:07,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:07,988 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2018-04-13 15:26:07,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 15:26:07,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-04-13 15:26:07,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:07,989 INFO L225 Difference]: With dead ends: 105 [2018-04-13 15:26:07,989 INFO L226 Difference]: Without dead ends: 105 [2018-04-13 15:26:07,989 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=25, Unknown=5, NotChecked=10, Total=56 [2018-04-13 15:26:07,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-04-13 15:26:07,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 73. [2018-04-13 15:26:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-04-13 15:26:07,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 79 transitions. [2018-04-13 15:26:07,992 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 79 transitions. Word has length 20 [2018-04-13 15:26:07,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:07,992 INFO L459 AbstractCegarLoop]: Abstraction has 73 states and 79 transitions. [2018-04-13 15:26:07,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-04-13 15:26:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 79 transitions. [2018-04-13 15:26:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-04-13 15:26:07,993 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:07,993 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:07,993 INFO L408 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:07,993 INFO L82 PathProgramCache]: Analyzing trace with hash -585689370, now seen corresponding path program 1 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 [2018-04-13 15:26:07,996 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,079 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-13 15:26:08,079 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-04-13 15:26:08,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,080 INFO L182 omatonBuilderFactory]: Interpolants [882#true, 883#false, 900#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 901#(= |#memory_int| |old(#memory_int)|), 902#(= 0 |#Ultimate.C_memcpy_#t~loopctr8|), 903#(<= |#Ultimate.C_memcpy_size| 0), 893#(= 0 |main_#t~malloc0.offset|), 894#(= 0 main_~p~0.offset)] [2018-04-13 15:26:08,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 15:26:08,080 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 15:26:08,080 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-13 15:26:08,080 INFO L87 Difference]: Start difference. First operand 73 states and 79 transitions. Second operand 8 states. [2018-04-13 15:26:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:08,268 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2018-04-13 15:26:08,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 15:26:08,269 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2018-04-13 15:26:08,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:08,269 INFO L225 Difference]: With dead ends: 70 [2018-04-13 15:26:08,270 INFO L226 Difference]: Without dead ends: 68 [2018-04-13 15:26:08,270 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-04-13 15:26:08,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-04-13 15:26:08,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-04-13 15:26:08,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-04-13 15:26:08,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 73 transitions. [2018-04-13 15:26:08,274 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 73 transitions. Word has length 29 [2018-04-13 15:26:08,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:08,274 INFO L459 AbstractCegarLoop]: Abstraction has 68 states and 73 transitions. [2018-04-13 15:26:08,274 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 15:26:08,274 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2018-04-13 15:26:08,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-04-13 15:26:08,275 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:08,275 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:08,275 INFO L408 AbstractCegarLoop]: === Iteration 6 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:08,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1008408557, now seen corresponding path program 1 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 [2018-04-13 15:26:08,280 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,359 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 15:26:08,359 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-04-13 15:26:08,359 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,359 INFO L182 omatonBuilderFactory]: Interpolants [1072#(or (and (<= |#Ultimate.C_memcpy_size| 1) (<= |#Ultimate.C_memcpy_size| |#Ultimate.C_memcpy_#t~loopctr8|)) (and (< |#Ultimate.C_memcpy_#t~loopctr8| |#Ultimate.C_memcpy_size|) (< 1 |#Ultimate.C_memcpy_size|))), 1073#(<= |#Ultimate.C_memcpy_size| 1), 1052#true, 1053#false, 1069#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 1070#(= |#memory_int| |old(#memory_int)|), 1071#(= 0 |#Ultimate.C_memcpy_#t~loopctr8|)] [2018-04-13 15:26:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,360 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-04-13 15:26:08,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-04-13 15:26:08,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-04-13 15:26:08,360 INFO L87 Difference]: Start difference. First operand 68 states and 73 transitions. Second operand 7 states. [2018-04-13 15:26:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:08,436 INFO L93 Difference]: Finished difference Result 71 states and 76 transitions. [2018-04-13 15:26:08,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-04-13 15:26:08,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2018-04-13 15:26:08,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:08,436 INFO L225 Difference]: With dead ends: 71 [2018-04-13 15:26:08,436 INFO L226 Difference]: Without dead ends: 69 [2018-04-13 15:26:08,437 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-04-13 15:26:08,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-04-13 15:26:08,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-04-13 15:26:08,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-04-13 15:26:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 74 transitions. [2018-04-13 15:26:08,439 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 74 transitions. Word has length 33 [2018-04-13 15:26:08,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:08,439 INFO L459 AbstractCegarLoop]: Abstraction has 69 states and 74 transitions. [2018-04-13 15:26:08,439 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-04-13 15:26:08,439 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2018-04-13 15:26:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-04-13 15:26:08,440 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:08,440 INFO L355 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:08,440 INFO L408 AbstractCegarLoop]: === Iteration 7 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:08,440 INFO L82 PathProgramCache]: Analyzing trace with hash -956628246, now seen corresponding path program 2 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 [2018-04-13 15:26:08,443 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,537 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 15:26:08,538 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-04-13 15:26:08,538 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,538 INFO L182 omatonBuilderFactory]: Interpolants [1218#true, 1219#false, 1236#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 1237#(= |#memory_int| |old(#memory_int)|), 1238#(= 0 |#Ultimate.C_memcpy_#t~loopctr8|), 1239#(= 1 |#Ultimate.C_memcpy_#t~loopctr8|), 1240#(or (and (<= |#Ultimate.C_memcpy_size| |#Ultimate.C_memcpy_#t~loopctr8|) (<= |#Ultimate.C_memcpy_size| 2)) (and (< 2 |#Ultimate.C_memcpy_size|) (< |#Ultimate.C_memcpy_#t~loopctr8| |#Ultimate.C_memcpy_size|))), 1241#(<= |#Ultimate.C_memcpy_size| 2)] [2018-04-13 15:26:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,539 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-04-13 15:26:08,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-04-13 15:26:08,539 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-04-13 15:26:08,539 INFO L87 Difference]: Start difference. First operand 69 states and 74 transitions. Second operand 8 states. [2018-04-13 15:26:08,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:08,633 INFO L93 Difference]: Finished difference Result 72 states and 77 transitions. [2018-04-13 15:26:08,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-04-13 15:26:08,633 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-04-13 15:26:08,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:08,634 INFO L225 Difference]: With dead ends: 72 [2018-04-13 15:26:08,634 INFO L226 Difference]: Without dead ends: 70 [2018-04-13 15:26:08,634 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-04-13 15:26:08,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-04-13 15:26:08,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-04-13 15:26:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-04-13 15:26:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 75 transitions. [2018-04-13 15:26:08,638 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 75 transitions. Word has length 34 [2018-04-13 15:26:08,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:08,639 INFO L459 AbstractCegarLoop]: Abstraction has 70 states and 75 transitions. [2018-04-13 15:26:08,639 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-04-13 15:26:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2018-04-13 15:26:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-04-13 15:26:08,640 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:08,640 INFO L355 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:08,640 INFO L408 AbstractCegarLoop]: === Iteration 8 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:08,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1743226995, now seen corresponding path program 3 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 [2018-04-13 15:26:08,642 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,706 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 15:26:08,706 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-04-13 15:26:08,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,707 INFO L182 omatonBuilderFactory]: Interpolants [1408#(= |#memory_int| |old(#memory_int)|), 1409#(= 0 |#Ultimate.C_memcpy_#t~loopctr8|), 1410#(= 1 |#Ultimate.C_memcpy_#t~loopctr8|), 1411#(= 2 |#Ultimate.C_memcpy_#t~loopctr8|), 1412#(or (and (< 3 |#Ultimate.C_memcpy_size|) (< |#Ultimate.C_memcpy_#t~loopctr8| |#Ultimate.C_memcpy_size|)) (and (<= |#Ultimate.C_memcpy_size| 3) (<= |#Ultimate.C_memcpy_size| |#Ultimate.C_memcpy_#t~loopctr8|))), 1413#(<= |#Ultimate.C_memcpy_size| 3), 1388#true, 1389#false, 1407#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|))] [2018-04-13 15:26:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-04-13 15:26:08,707 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-04-13 15:26:08,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-04-13 15:26:08,707 INFO L87 Difference]: Start difference. First operand 70 states and 75 transitions. Second operand 9 states. [2018-04-13 15:26:08,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:08,770 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2018-04-13 15:26:08,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-04-13 15:26:08,770 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 35 [2018-04-13 15:26:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:08,771 INFO L225 Difference]: With dead ends: 73 [2018-04-13 15:26:08,771 INFO L226 Difference]: Without dead ends: 71 [2018-04-13 15:26:08,771 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2018-04-13 15:26:08,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-04-13 15:26:08,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-04-13 15:26:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-04-13 15:26:08,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 76 transitions. [2018-04-13 15:26:08,774 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 76 transitions. Word has length 35 [2018-04-13 15:26:08,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:08,774 INFO L459 AbstractCegarLoop]: Abstraction has 71 states and 76 transitions. [2018-04-13 15:26:08,774 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-04-13 15:26:08,774 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 76 transitions. [2018-04-13 15:26:08,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-04-13 15:26:08,774 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:08,775 INFO L355 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:08,775 INFO L408 AbstractCegarLoop]: === Iteration 9 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:08,775 INFO L82 PathProgramCache]: Analyzing trace with hash -357984438, now seen corresponding path program 4 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 [2018-04-13 15:26:08,780 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,838 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-04-13 15:26:08,838 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-04-13 15:26:08,838 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-13 15:26:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,839 INFO L182 omatonBuilderFactory]: Interpolants [1584#(= 0 |#Ultimate.C_memcpy_#t~loopctr8|), 1585#(= 1 |#Ultimate.C_memcpy_#t~loopctr8|), 1586#(= 2 |#Ultimate.C_memcpy_#t~loopctr8|), 1587#(= |#Ultimate.C_memcpy_#t~loopctr8| 3), 1588#(= 4 |#Ultimate.C_memcpy_#t~loopctr8|), 1589#(not (= 5 |#Ultimate.C_memcpy_size|)), 1562#true, 1563#false, 1582#(and (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.offset)|) (= |~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base| |old(~#__U_MULTI_ftest_bitfields___false_valid_deref_i__d~0.base)|) (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#memory_int| |old(#memory_int)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#length)| |#length|)), 1583#(= |#memory_int| |old(#memory_int)|)] [2018-04-13 15:26:08,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-13 15:26:08,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-04-13 15:26:08,839 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-04-13 15:26:08,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-04-13 15:26:08,839 INFO L87 Difference]: Start difference. First operand 71 states and 76 transitions. Second operand 10 states. [2018-04-13 15:26:08,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-13 15:26:08,931 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2018-04-13 15:26:08,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-04-13 15:26:08,931 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2018-04-13 15:26:08,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-13 15:26:08,932 INFO L225 Difference]: With dead ends: 74 [2018-04-13 15:26:08,932 INFO L226 Difference]: Without dead ends: 72 [2018-04-13 15:26:08,932 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-04-13 15:26:08,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-04-13 15:26:08,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-04-13 15:26:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-04-13 15:26:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 77 transitions. [2018-04-13 15:26:08,934 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 77 transitions. Word has length 36 [2018-04-13 15:26:08,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-13 15:26:08,934 INFO L459 AbstractCegarLoop]: Abstraction has 72 states and 77 transitions. [2018-04-13 15:26:08,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-04-13 15:26:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 77 transitions. [2018-04-13 15:26:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-04-13 15:26:08,934 INFO L347 BasicCegarLoop]: Found error trace [2018-04-13 15:26:08,935 INFO L355 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-13 15:26:08,935 INFO L408 AbstractCegarLoop]: === Iteration 10 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr29AssertViolationMEMORY_FREE, mainErr25AssertViolationMEMORY_FREE, mainErr21AssertViolationMEMORY_FREE, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr17AssertViolationMEMORY_FREE, mainErr31RequiresViolation, mainErr3RequiresViolation, mainErr35AssertViolationMEMORY_FREE, mainErr15RequiresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr24AssertViolationMEMORY_FREE, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr9RequiresViolation, mainErr34AssertViolationMEMORY_FREE, mainErr36EnsuresViolationMEMORY_LEAK, mainErr30RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr20AssertViolationMEMORY_FREE, mainErr28AssertViolationMEMORY_FREE, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr33AssertViolationMEMORY_FREE, mainErr4RequiresViolation, mainErr16AssertViolationMEMORY_FREE, mainErr14RequiresViolation, mainErr32AssertViolationMEMORY_FREE]=== [2018-04-13 15:26:08,935 INFO L82 PathProgramCache]: Analyzing trace with hash -365138131, now seen corresponding path program 5 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 [2018-04-13 15:26:08,937 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-13 15:26:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:09,017 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 WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-13 15:26:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-13 15:26:09,162 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 WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-04-13 15:26:09,176 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,176 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,177 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,177 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,177 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,177 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,177 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,178 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,178 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,178 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,208 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,208 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,209 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,214 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,215 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,215 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-04-13 15:26:09,223 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 161 treesize of output 160 [2018-04-13 15:26:09,224 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: alternation not yet supported at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:344) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:223) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:169) 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.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:351) 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) [2018-04-13 15:26:09,227 INFO L168 Benchmark]: Toolchain (without parser) took 3771.97 ms. Allocated memory was 394.3 MB in the beginning and 677.4 MB in the end (delta: 283.1 MB). Free memory was 335.7 MB in the beginning and 647.6 MB in the end (delta: -311.9 MB). Peak memory consumption was 210.3 MB. Max. memory is 5.3 GB. [2018-04-13 15:26:09,228 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 394.3 MB. Free memory is still 357.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-13 15:26:09,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.91 ms. Allocated memory is still 394.3 MB. Free memory was 335.7 MB in the beginning and 325.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-04-13 15:26:09,229 INFO L168 Benchmark]: Boogie Preprocessor took 31.47 ms. Allocated memory is still 394.3 MB. Free memory was 325.1 MB in the beginning and 323.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-04-13 15:26:09,229 INFO L168 Benchmark]: RCFGBuilder took 328.21 ms. Allocated memory was 394.3 MB in the beginning and 597.2 MB in the end (delta: 202.9 MB). Free memory was 323.8 MB in the beginning and 548.7 MB in the end (delta: -224.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. [2018-04-13 15:26:09,230 INFO L168 Benchmark]: TraceAbstraction took 3223.50 ms. Allocated memory was 597.2 MB in the beginning and 677.4 MB in the end (delta: 80.2 MB). Free memory was 548.7 MB in the beginning and 647.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 220.4 MB. Max. memory is 5.3 GB. [2018-04-13 15:26:09,232 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 394.3 MB. Free memory is still 357.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 185.91 ms. Allocated memory is still 394.3 MB. Free memory was 335.7 MB in the beginning and 325.1 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 31.47 ms. Allocated memory is still 394.3 MB. Free memory was 325.1 MB in the beginning and 323.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 328.21 ms. Allocated memory was 394.3 MB in the beginning and 597.2 MB in the end (delta: 202.9 MB). Free memory was 323.8 MB in the beginning and 548.7 MB in the end (delta: -224.9 MB). Peak memory consumption was 26.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3223.50 ms. Allocated memory was 597.2 MB in the beginning and 677.4 MB in the end (delta: 80.2 MB). Free memory was 548.7 MB in the beginning and 647.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 220.4 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: alternation not yet supported de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: alternation not yet supported: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:344) 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/test-bitfields-2_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-13_15-26-09-240.csv Received shutdown request...